Skip to main content

Research Repository

Advanced Search

Outputs (194)

Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations (2024)
Presentation / Conference Contribution
Almaini, A., Koßmann, T., Folz, J., Schramm, M., Heigl, M., & Al-Dubai, A. (2024, June). Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations. Presented at UNet24: The International Conference on Ubiquitous Networ

Recent advancements in Software-Defined Networking (SDN) have facilitated its deployment across diverse network types, including edge networks. Given the broad applicability of SDN and the complexity of large-scale environments, establishing a compre... Read More about Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations.

Overtaking Feasibility Prediction for Mixed Connected and Connectionless Vehicles (2024)
Journal Article
Zhao, L., Qian, H., Hawbani, A., Al-Dubai, A. Y., Tan, Z., Yu, K., & Zomaya, A. Y. (online). Overtaking Feasibility Prediction for Mixed Connected and Connectionless Vehicles. IEEE Transactions on Intelligent Transportation Systems, https://doi.org/10.110

Intelligent transportation systems (ITS) utilize advanced technologies to enhance traffic safety and efficiency, contributing significantly to modern transportation. The integration of Vehicle-to-Everything (V2X) further elevates road safety and fost... Read More about Overtaking Feasibility Prediction for Mixed Connected and Connectionless Vehicles.

Parametric Study on PVDF Electrospun Nanofibers: Optical Characteristics, Piezoelectric Analysis, and Correlated Applications (2024)
Journal Article
Nair, R., Mahdi, J., Amjad, O., Maree, K., Jain, A., Al-Dubai, A., Jaradat, S., Shyha, I., Trabelsi, M., Alothamn, B., & Shehata, N. (online). Parametric Study on PVDF Electrospun Nanofibers: Optical Characteristics, Piezoelectric Analysis, and Correlated

In this study, both the optical and piezoelectric properties of polyvinylidene fluoride (PVDF) electrospun nanofibers were investigated at different needle-to-collector distances of the electrospinning process at constant applied high voltage. For pi... Read More about Parametric Study on PVDF Electrospun Nanofibers: Optical Characteristics, Piezoelectric Analysis, and Correlated Applications.

Adaptive Mobile Chargers Scheduling Scheme based on AHP-MCDM for WRSN (2024)
Journal Article
Makanda, K., Hawbani, A., Wang, . X., Naji, A., Al-Dubai, A., Zhao, L., & Alsamhi, S. H. (in press). Adaptive Mobile Chargers Scheduling Scheme based on AHP-MCDM for WRSN. IEEE Transactions on Sustainable Computing, https://doi.org/10.1109/TSUSC.2024.

Wireless Sensor Networks (WSNs) are used to sense and monitor physical conditions in various services and applications. However, there are a number of challenges in deploying WSNs, especially those pertaining to energy replenishment. Using the curre... Read More about Adaptive Mobile Chargers Scheduling Scheme based on AHP-MCDM for WRSN.

Wireless Power Transfer Technologies, Applications, and Future Trends: A Review (2024)
Journal Article
Alabsi, A., Hawbani, A., Wang, X., Dubai, A. A., Hu, J., Aziz, S. A., …Alsamhi, S. H. (in press). Wireless Power Transfer Technologies, Applications, and Future Trends: A Review. IEEE Transactions on Sustainable Computing, https://doi.org/10.1109/TSUSC.

Wireless Power Transfer (WPT) is a disruptive technology that allows wireless energy provisioning for energy- limited IoT devices, thus decreasing the over-reliance on batteries and wires. WPT could replace conventional energy provisioning (e.g., ene... Read More about Wireless Power Transfer Technologies, Applications, and Future Trends: A Review.

Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization (2023)
Presentation / Conference Contribution
Mao, C., Zhao, L., Min, G., Hawbani, A., Al-Dubai, A. Y., & Zomaya, A. Y. (2023). Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization. In GLOBECOM 2023 - 2023 IEEE Global Communications Conference. https://doi

Vehicle trajectory prediction is a promising technology for improving the performance of Cellular Vehicle-to Everything (C-V2X) applications by providing future road states. Various vehicle trajectory prediction methods have been proposed to increase... Read More about Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization.

SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data (2023)
Presentation / Conference Contribution
Shahbaz Khan, M., Ahmad, J., Ali, H., Pitropakis, N., Al-Dubai, A., Ghaleb, B., & Buchanan, W. J. (2023, October). SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data. Presented at 9th International Co

With the advent of digital communication, securing digital images during transmission and storage has become a critical concern. The traditional s-box substitution methods often fail to effectively conceal the information within highly auto-correlate... Read More about SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data.

Advancing sepsis clinical research: harnessing transcriptomics for an omics-based strategy - a comprehensive scoping review (2023)
Journal Article
Rashid, A., Al-Obeidat, F., Kanthimathinathan, H. K., Benakatti, G., Hafez, W., Ramaiah, R., …Hussain, A. (2024). Advancing sepsis clinical research: harnessing transcriptomics for an omics-based strategy - a comprehensive scoping review. Informatics in

Sepsis continues to be recognized as a significant global health challenge across all ages and is characterized by a complex pathophysiology. In this scoping review, PRISMA-ScR guidelines were adhered to, and a transcriptomic methodology was adopted,... Read More about Advancing sepsis clinical research: harnessing transcriptomics for an omics-based strategy - a comprehensive scoping review.

Potential of Satellite-Airborne Sensing Technologies for Agriculture 4.0 and Climate-Resilient: A Review (2023)
Journal Article
Hazmy, A. I., Hawbani, A., Wang, X., Al-Dubai, A., Ghannami, A., Yahya, A. A., …Alsamhi, S. H. (2024). Potential of Satellite-Airborne Sensing Technologies for Agriculture 4.0 and Climate-Resilient: A Review. IEEE Sensors Journal, 24(4), 4161-4180. http

Agriculture 4.0 offers the potential to revolutionize the agriculture sector through improved productivity and efficiency. However, adopting Agriculture 4.0 requires a period of transition and effort. Satellite-Airborne sensing technologies may becom... Read More about Potential of Satellite-Airborne Sensing Technologies for Agriculture 4.0 and Climate-Resilient: A Review.

Navigating Industry 5.0: A Survey of Key Enabling Technologies, Trends, Challenges, and Opportunities (2023)
Journal Article
Tallat,, R., Hawbani, A., Wang, X., Al-Dubai, A., Zhao, L., Liu, Z., Min, G., Zomaya, A., & Alsamhi, S. (2024). Navigating Industry 5.0: A Survey of Key Enabling Technologies, Trends, Challenges, and Opportunities. Communications Surveys and Tutorials, I

This century has been a major avenue for revolutionary changes in technology and industry. Industries have transitioned towards intelligent automation, relying less on human intervention, resulting in the fourth industrial revolution, Industry 4.0. T... Read More about Navigating Industry 5.0: A Survey of Key Enabling Technologies, Trends, Challenges, and Opportunities.

Resolving the Decreased Rank Attack in RPL’s IoT Networks (2023)
Presentation / Conference Contribution
Ghaleb, B., Al-Duba, A., Hussain, A., Romdhani, I., & Jaroucheh, Z. (2023). Resolving the Decreased Rank Attack in RPL’s IoT Networks. In 2023 19th International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-Io

The Routing Protocol for Low power and Lossy networks (RPL) has been developed by the Internet Engineering Task Force (IETF) standardization body to serve as a part of the 6LoWPAN (IPv6 over Low-Power Wireless Personal Area Networks) standard, a core... Read More about Resolving the Decreased Rank Attack in RPL’s IoT Networks.

Advancing the Understanding of Clinical Sepsis Using Gene Expression-Driven Machine Learning to Improve Patient Outcomes (2023)
Journal Article
Rashid, A., Al-Obeida, F., Hafez, W., Benakatti, G., Malik, R. A., Koutentis, C., …Hussain, A. (2024). Advancing the Understanding of Clinical Sepsis Using Gene Expression-Driven Machine Learning to Improve Patient Outcomes. Shock, 61(1), 4-18. https://

Sepsis remains a major challenge that necessitates improved approaches to enhance patient outcomes. This study explored the potential of Machine Learning (ML) techniques to bridge the gap between clinical data and gene expression information to bette... Read More about Advancing the Understanding of Clinical Sepsis Using Gene Expression-Driven Machine Learning to Improve Patient Outcomes.

A Digital Twin-Assisted Intelligent Partial Offloading Approach for Vehicular Edge Computing (2023)
Journal Article
Zhao, L., Zhao, Z., Zhang, E., Hawbani, A., Al-Dubai, A., Tan, Z., & Hussain, A. (2023). A Digital Twin-Assisted Intelligent Partial Offloading Approach for Vehicular Edge Computing. IEEE Journal on Selected Areas in Communications, 41(11), 3386-3400. htt

Vehicle Edge Computing (VEC) is a promising paradigm that exposes Mobile Edge Computing (MEC) to road scenarios. In VEC, task offloading can enable vehicles to offload the computing tasks to nearby Roadside Units (RSUs) that deploy computing capabili... Read More about A Digital Twin-Assisted Intelligent Partial Offloading Approach for Vehicular Edge Computing.

Reliable and Scalable Routing Under Hybrid SDVN Architecture: A Graph Learning Based Method (2023)
Journal Article
Li, Z., Zhao, L., Min, G., Al-Dubai, A. Y., Hawbani, A., Zomaya, A. Y., & Luo, C. (2023). Reliable and Scalable Routing Under Hybrid SDVN Architecture: A Graph Learning Based Method. IEEE Transactions on Intelligent Transportation Systems, 24(12), 14022 -

Greedy routing efficiently achieves routing solutions for vehicular networks due to its simplicity and reliability. However, the existing greedy routing schemes have mainly considered simple routing metrics only, e.g., distance based on the local vie... Read More about Reliable and Scalable Routing Under Hybrid SDVN Architecture: A Graph Learning Based Method.

A Transcriptomic Appreciation of Childhood Meningococcal and Polymicrobial Sepsis from a Pro-Inflammatory and Trajectorial Perspective, a Role for Vascular Endothelial Growth Factor A and B Modulation? (2023)
Journal Article
Rashid, A., Brusletto, B. S., Al-Obeidat, F., Toufiq, M., Benakatti, G., Brierley, J., …Hussain, A. (2023). A Transcriptomic Appreciation of Childhood Meningococcal and Polymicrobial Sepsis from a Pro-Inflammatory and Trajectorial Perspective, a Role fo

This study investigated the temporal dynamics of childhood sepsis by analyzing gene expression changes associated with proinflammatory processes. Five datasets, including four meningococcal sepsis shock (MSS) datasets (two temporal and two longitudin... Read More about A Transcriptomic Appreciation of Childhood Meningococcal and Polymicrobial Sepsis from a Pro-Inflammatory and Trajectorial Perspective, a Role for Vascular Endothelial Growth Factor A and B Modulation?.

A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes (2023)
Presentation / Conference Contribution
Alahamadi, H., Bouabdallah, F., Al-Dubai, A., & Ghaleb, B. (2023). A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes. In 2023 International Wireless Communications and Mobile Computing (IWCMC) (917-922). https://doi.org/10.1109/

Time-Slotted Medium Access Control protocols bring advantages to the scalability of LoRa networks as an alternative to the ALOHA access method. However, such Time-Slotted protocols require nodes synchronization and schedules dissemination under strin... Read More about A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes.

A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models (2023)
Presentation / Conference Contribution
Almaini, A., Folz, J., Woelfl, D., Al-Dubai, A., Schramm, M., & Heigl, M. (2023). A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models. In 2023 International Wireless Communications and Mobile Computing (IWCMC

Due to the increasing privacy demand in data processing, Fully Homomorphic Encryption (FHE) has recently received growing attention for its ability to perform calculations over encrypted data. Since the data can be processed in encrypted form and the... Read More about A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models.

ESPP: Efficient Sector-based Charging Scheduling and Path Planning for WRSNs with Hexagonal Topology (2023)
Journal Article
Naji, A., Hawbani, A., Wang, X., Al-Gunid, H. M., Al-Dhabi, Y., Al-Dubai, A., …Alsamhi, S. H. (2024). ESPP: Efficient Sector-based Charging Scheduling and Path Planning for WRSNs with Hexagonal Topology. IEEE Transactions on Sustainable Computing, 9(1),

Wireless Power Transfer (WPT) is a promising technology that can potentially mitigate the energy provisioning problem for sensor networks. In order to efficiently replenish energy for these battery-powered devices, designing appropriate scheduling an... Read More about ESPP: Efficient Sector-based Charging Scheduling and Path Planning for WRSNs with Hexagonal Topology.

MESON: A Mobility-aware Dependent Task Offloading Scheme for Urban Vehicular Edge Computing (2023)
Journal Article
Zhao, L., Zhang, E., Wan, S., Hawbani, A., Al-Dubai, A. Y., Min, G., & Zomaya, A. Y. (2024). MESON: A Mobility-aware Dependent Task Offloading Scheme for Urban Vehicular Edge Computing. IEEE Transactions on Mobile Computing, 23(5), 4259 - 4272. https://do

Vehicular Edge Computing (VEC) is the transportation version of Mobile Edge Computing (MEC) in road scenarios. One key technology of VEC is task offloading, which allows vehicles to send their computation tasks to the surrounding Roadside Units (RSUs... Read More about MESON: A Mobility-aware Dependent Task Offloading Scheme for Urban Vehicular Edge Computing.

Application of a gene modular approach for clinical phenotype genotype association and sepsis prediction using machine learning in meningococcal sepsis (2023)
Journal Article
Rashid, A., Anwary, A. R., Al-Obeidat, F., Brierley, J., Uddin, M., Alkhzaimi, H., …Hussain, A. (2023). Application of a gene modular approach for clinical phenotype genotype association and sepsis prediction using machine learning in meningococcal seps

Sepsis is a major global health concern causing high morbidity and mortality rates. Our study utilized a Meningococcal Septic Shock (MSS) temporal dataset to investigate the correlation between gene expression (GE) changes and clinical features. The... Read More about Application of a gene modular approach for clinical phenotype genotype association and sepsis prediction using machine learning in meningococcal sepsis.

A Novel Federated Learning Scheme for Generative Adversarial Networks (2023)
Journal Article
Zhang, J., Zhao, L., Yu, . K., Min, G., Al-Dubai, A., & Zomya, A. (2024). A Novel Federated Learning Scheme for Generative Adversarial Networks. IEEE Transactions on Mobile Computing, 23(5), 3633-3649. https://doi.org/10.1109/tmc.2023.3278668

Generative adversarial networks (GANs) have been advancing and gaining tremendous interests from both academia and industry. With the development of wireless technologies, a huge amount of data generated at the network edge provides an unprecedented... Read More about A Novel Federated Learning Scheme for Generative Adversarial Networks.

A Survey on the Integration of Blockchain and IoT: Challenges and Opportunities (2022)
Book Chapter
Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Liu, X. (2022). A Survey on the Integration of Blockchain and IoT: Challenges and Opportunities. In R. Jiang, A. Bouridane, C. Li, D. Crookes, S. Boussakta, F. Hao, & E. A. Edirisinghe (Eds.), Big Data Pri

Since Satoshi Nakamoto first introduced the blockchain as an open-source project for secure financial transactions, it has attracted the scientific community’s interest, paving the way for addressing problems in domains other than cryptocurrencies, o... Read More about A Survey on the Integration of Blockchain and IoT: Challenges and Opportunities.

Ontology-Based Linked Data to Support Decision Making within Universities (2022)
Journal Article
Ashour, G., Al-Dubai, A., Romdhani, I., & Alghazzawi, D. (2022). Ontology-Based Linked Data to Support Decision Making within Universities. Mathematics, 10(17), Article 3148. https://doi.org/10.3390/math10173148

In recent years, educational institutions worked hard to automate their work using more trending technologies that prove the success in supporting decision-making processes. Most the decisions in educational institutions rely on rating the academic r... Read More about Ontology-Based Linked Data to Support Decision Making within Universities.

Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher (2022)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2022). Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher. In 2022 6th International Conference on Cryptography, Security and Privacy (CSP). https://doi.org

Lightweight cryptography is a novel diversion from conventional cryptography that targets internet-of-things (IoT) platform due to resource constraints. In comparison, it offers smaller cryptographic primitives such as shorter key sizes, block sizes... Read More about Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher.

A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract (2022)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Liu, X. (2022). A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract. In 2022 2nd International Conference of Smart Systems and Emerging Technologie

Two-factor authentication (2FA) is commonly used in Internet of Things (IoT) authentication to provide multi-layer protection. Tokens, often known as One-Time Passwords (OTP), are used to offer additional information. While this technique provides fl... Read More about A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract.

A Novel Time-Slotted LoRa MAC Protocol for Scalable IoT Networks (2022)
Journal Article
Alahmadi, H., Bouabdallah, F., & Al-Dubai, A. (2022). A Novel Time-Slotted LoRa MAC Protocol for Scalable IoT Networks. Future Generation Computer Systems, 134, 287-302. https://doi.org/10.1016/j.future.2022.04.003

Long Range (LoRa) networks provide long range, cost-effective and energy-efficient communications by utilising the free unlicensed ISM band, which makes them appealing for Internet of Things (IoT) applications. However, in high density networks, reli... Read More about A Novel Time-Slotted LoRa MAC Protocol for Scalable IoT Networks.

A Novel Nomad Migration-Inspired Algorithm for Global Optimization (2022)
Journal Article
Lin, N., Fu, L., Zhao, L., Hawbani, A., Tan, Z., Al-Dubai, A., & Min, G. (2022). A Novel Nomad Migration-Inspired Algorithm for Global Optimization. Computers and Electrical Engineering, 100, Article 107862. https://doi.org/10.1016/j.compeleceng.2022.1078

Nature-inspired computing (NIC) has been widely studied for many optimization scenarios. However, miscellaneous solution space of real-world problem causes it is challenging to guarantee the global optimum. Besides, cumbersome structure and complex p... Read More about A Novel Nomad Migration-Inspired Algorithm for Global Optimization.

SDORP: SDN based Opportunistic Routing for Asynchronous Wireless Sensor Networks (2022)
Journal Article
Farooq, M., Wang, X., Hawbani, A., Zhao, L., Al-Dubai, A., & Busaileh, O. (2023). SDORP: SDN based Opportunistic Routing for Asynchronous Wireless Sensor Networks. IEEE Transactions on Mobile Computing, 22(8), 4912-4929. https://doi.org/10.1109/TMC.2022.3

In wireless sensor networks (WSNs), it is inappropriate to use conventional unicast routing due to the broadcast storm problem and spatial diversity of communication links. Opportunistic Routing (OR) benefits the low duty-cycled WSNs by prioritizing... Read More about SDORP: SDN based Opportunistic Routing for Asynchronous Wireless Sensor Networks.

Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks (2022)
Presentation / Conference Contribution
Alahmadi, H., Bouabdallah, F., Ghaleb, B., & Al-Dubai, A. (2022). Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks. In 2021 20th International Conference on Ubiquitous Computing and Communications (IUCC/CIT/DSCI/SmartCNS). h

In this paper, we introduce Sensitivity-Aware LoRa Configuration (SAL), a new algorithm for efficient autonomous and distributed selection of LoRa physical layer transmission parameters. The aim is to address the limitations of the currently adopted... Read More about Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks.

Dynamic S-Box and PWLCM-Based Robust Watermarking Scheme (2022)
Journal Article
Sher Khan, J., Koç Kayhan, S., Siddiq Ahmed, S., Ahmad, J., Ayesha Siddiqa, H., Ahmed, F., …Al Dubai, A. (2022). Dynamic S-Box and PWLCM-Based Robust Watermarking Scheme. Wireless Personal Communications, 125, 513-530. https://doi.org/10.1007/s11277-02

Due to the increased number of cyberattacks, numerous researchers are motivated towards the design of such schemes that can hide digital information in a signal. Watermarking is one of the promising technologies that can protect digital information.... Read More about Dynamic S-Box and PWLCM-Based Robust Watermarking Scheme.

Internet of Things: Concept, Implementation and Challenges (2022)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., & Buchanan, W. J. (2022). Internet of Things: Concept, Implementation and Challenges. In Internet of Things and Its Applications: Select Proceedings of ICIA 2020 (145-155). https://doi.org/10.1007/978-981-16-7637-6_14

Through the technical advancements over five generations, today's digital communication has become much smarter, more intelligent and punctual. This causes a massive amount of continuous data collection in real-time whose analytics are later used to... Read More about Internet of Things: Concept, Implementation and Challenges.

Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates (2022)
Presentation / Conference Contribution
Abubakar, M., McCarron, P., Jaroucheh, Z., Al Dubai, A., & Buchanan, B. (2022). Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates. In 2021 14th International Conference on Security of Information and Networks (SIN).

The COVID-19 pandemic has recently emerged as a worldwide health emergency that necessitates coordinated international measures. To contain the virus's spread, governments and health organisations raced to develop vaccines that would lower Covid-19 m... Read More about Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates.

A Novel Chaotic Permutation-Substitution Image Encryption Scheme Based on Logistic Map and Random Substitution (2022)
Journal Article
Arif, J., Khan, M. A., Ghaleb, B., Ahmad, J., Munir, A., Rashid, U., & Al-Dubai, A. Y. (2022). A Novel Chaotic Permutation-Substitution Image Encryption Scheme Based on Logistic Map and Random Substitution. IEEE Access, 10, 12966-12982. https://doi.org/10

Privacy is a serious concern related to sharing videos or images among people over the Internet. As a method to preserve images’ privacy, chaos-based image encryption algorithms have been used widely to fulfil such a requirement. However, these algor... Read More about A Novel Chaotic Permutation-Substitution Image Encryption Scheme Based on Logistic Map and Random Substitution.

Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems (2021)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. (2021). Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems. In 2021 5th Cyber Security in Networking Conference (CSNet). https://doi.org/10.1109/csnet52717.2021.

The Session Initiation Protocol (SIP) is the principal signalling protocol in Voice over IP (VoIP) systems, responsible for initialising, terminating, and maintaining sessions amongst call parties. However, the problem with the SIP protocol is that i... Read More about Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems.

A Novel Prediction-Based Temporal Graph Routing Algorithm for Software-Defined Vehicular Networks (2021)
Journal Article
Zhao, L., Li, Z., Al-Dubai, A., Min, G., Li, J., Hawbani, A., & Zomaya, A. (2022). A Novel Prediction-Based Temporal Graph Routing Algorithm for Software-Defined Vehicular Networks. IEEE Transactions on Intelligent Transportation Systems, 23(8), 13275-132

Temporal information is critical for routing computation in the vehicular network. It plays a vital role in the vehicular network. Till now, most existing routing schemes in vehicular networks consider the networks as a sequence of static graphs. We... Read More about A Novel Prediction-Based Temporal Graph Routing Algorithm for Software-Defined Vehicular Networks.

A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data (2021)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. J. (2021, August). A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data. Presented at 2021 IEEE International Conference on Omni-Layer Intelligent Systems (

Recent years have seen an increase in medical big data, which can be attributed to a paradigm shift experienced in medical data sharing induced by the growth of medical technology and the Internet of Things. The evidence of this potential has been pr... Read More about A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data.

A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks (2021)
Presentation / Conference Contribution
Alahmadi, H., Bouabdallah, F., & Al-Dubai, A. (2021, June). A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks. Presented at IEEE International Conference on Communications (IEEE ICC 2021), Montreal, Canada

Long-Range (LoRa) has been a major avenue for deploying the Internet of Things (IoT) in large scale environments due to its long-scale connection, energy efficiency, and cost-effectiveness. LoRa networks provide multiple configurable transmission par... Read More about A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks.

Blockchain-based identity and authentication scheme for MQTT protocol (2021)
Presentation / Conference Contribution
Abdelrazig Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Liu, X. (2021). Blockchain-based identity and authentication scheme for MQTT protocol. In ICBCT '21: 2021 The 3rd International Conference on Blockchain Technology (73-81). https://doi.org/10.1145/3

The publish and subscribe messaging model has proven itself as a dominant messaging paradigm for IoT systems. An example of such is the commonly used Message Queuing Telemetry Transport (MQTT) protocol. However, the security concerns with this protoc... Read More about Blockchain-based identity and authentication scheme for MQTT protocol.

Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT (2021)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2021). Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT. In 10th International Conference on Cryptography and Information Security (CRYPIS 2021) (185-205)

Side-channel attacks are an unpredictable risk factor in cryptography. Therefore, continuous observations of physical leakages are essential to minimise vulnerabilities associated with cryptographic functions. Lightweight cryptography is a novel appr... Read More about Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT.

FLORA: Fuzzy Based Load-Balanced Opportunistic Routing for Asynchronous Duty-Cycled WSNs (2021)
Journal Article
Wu, W., Wang, X., Hawbani, A., Liu, P., Zhao, L., & Al-Dubai, A. (2023). FLORA: Fuzzy Based Load-Balanced Opportunistic Routing for Asynchronous Duty-Cycled WSNs. IEEE Transactions on Mobile Computing, 22(1), 253-268. https://doi.org/10.1109/TMC.2021.3074

Existing Opportunistic routing (OR) schemes work well with asynchronous duty-cycled wireless sensor networks (WSNs), which effectively reduces the sender waiting time by broadcasting packets to a set of forwarders instead of a predetermined forwarder... Read More about FLORA: Fuzzy Based Load-Balanced Opportunistic Routing for Asynchronous Duty-Cycled WSNs.

A Mobility Aware Duty Cycling and Preambling Solution for Wireless Sensor Network with Mobile Sink Node (2021)
Journal Article
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2021). A Mobility Aware Duty Cycling and Preambling Solution for Wireless Sensor Network with Mobile Sink Node. Wireless Networks, 27(5), 3423-3439. https://doi.org/10.1007/s11276-021-02580-8

Utilising the mobilisation of a sink node in a wireless sensor network to combat the energy hole, or hotspot issue, is well referenced. However, another issue , that of energy spikes may remain. With the mobile sink node potentially communicating wit... Read More about A Mobility Aware Duty Cycling and Preambling Solution for Wireless Sensor Network with Mobile Sink Node.

Machine Learning-driven Optimization for SVM-based Intrusion Detection System in Vehicular Ad Hoc Networks (2021)
Journal Article
Alsarhan, A., Alauthman, M., Alshdaifat, E., Al-Ghuwairi, A., & Al-Dubai, A. (2023). Machine Learning-driven Optimization for SVM-based Intrusion Detection System in Vehicular Ad Hoc Networks. Journal of Ambient Intelligence and Humanized Computing, 14(5)

Machine Learning (ML) driven solutions have been widely used to secure wireless communications Vehicular ad hoc networks (VANETs) in recent studies. Unlike existing works, this paper applies support vector machine (SVM) for intrusion detection in VAN... Read More about Machine Learning-driven Optimization for SVM-based Intrusion Detection System in Vehicular Ad Hoc Networks.

Vehicular Computation Offloading for Industrial Mobile Edge Computing (2021)
Journal Article
Zhao, L., Yang, K., Tan, Z., Song, H., Al-Dubai, A., & Zomaya, A. (2021). Vehicular Computation Offloading for Industrial Mobile Edge Computing. IEEE Transactions on Industrial Informatics, 17(11), 7871-7881. https://doi.org/10.1109/TII.2021.3059640

Due to the limited local computation resource, industrial vehicular computation requires offloading the computation tasks with time-delay sensitive and complex demands to other intelligent devices (IDs) once the data is sensed and collected collabora... Read More about Vehicular Computation Offloading for Industrial Mobile Edge Computing.

Towards an Energy Balancing Solution for Wireless Sensor Network with Mobile Sink Node (2021)
Journal Article
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2021). Towards an Energy Balancing Solution for Wireless Sensor Network with Mobile Sink Node. Computer Communications, 170, 50-64. https://doi.org/10.1016/j.comcom.2021.01.011

The issue of energy holes, or hotspots, in wireless sensor networks is well referenced. As is the proposed mobilisation of the sink node in order to combat this. However, as the mobile sink node may communicate with some nodes more than others, issue... Read More about Towards an Energy Balancing Solution for Wireless Sensor Network with Mobile Sink Node.

A Novel Heuristic Data Routing for Urban Vehicular Ad-hoc Networks (2021)
Journal Article
Hawbani, A., Wang, X., Al-Dubai, A., Zhao, L., Busaileh, . O., Liu, P., & Al-qaness, M. (2021). A Novel Heuristic Data Routing for Urban Vehicular Ad-hoc Networks. IEEE Internet of Things Journal, 8(11), 8976-8989. https://doi.org/10.1109/JIOT.2021.30555

This work is devoted to solving the problem of multi-criteria multi-hop routing in vehicular ad-hoc networks (VANETs), aiming at three goals, increasing the end-to-end delivery ratio, reducing the end-to-end latency, and minimizing the network overhe... Read More about A Novel Heuristic Data Routing for Urban Vehicular Ad-hoc Networks.

Secure Lightweight Stream Data Outsourcing for Internet of Things (2021)
Journal Article
Peng, S., Zhao, L., Al-Dubai, A., Zomaya, A., Hu, J., Min, G., & Wang, Q. (2021). Secure Lightweight Stream Data Outsourcing for Internet of Things. IEEE Internet of Things Journal, 8(13), 10815-10829. https://doi.org/10.1109/JIOT.2021.3050732

The epoch of the Internet of Things (IoT) has come by enabling almost everything to gather and share electronic information. Considering the unreliable factors of public IoT, how to outsource huge amounts of indispensable stream data generated by the... Read More about Secure Lightweight Stream Data Outsourcing for Internet of Things.

PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism (2020)
Presentation / Conference Contribution
Abubakar, M. A., Jaroucheh, Z., Al-Dubai, A., & Buchanan, B. (2020). PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism. In ICVISP 2020: Proceedings of the 2020 4th International Conference on Vision, Image and Signal Processin

The original consensus algorithm - Proof of Work (PoW) has been widely utilized in the blockchain systems and is been adopted by many cryptocurrencies, such as Bitcoin and Ethereum, among many others. Nevertheless, the concept has received criticisms... Read More about PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism.

Novel Online Sequential Learning-Based Adaptive Routing for Edge Software-Defined Vehicular Networks (2020)
Journal Article
Zhao, L., Zhao, W., Hawbani, A., Al-Dubai, A. Y., Min, G., Zomaya, A., & Gong, C. (2021). Novel Online Sequential Learning-Based Adaptive Routing for Edge Software-Defined Vehicular Networks. IEEE Transactions on Wireless Communications, 20(5), 2991-3004

To provide efficient networking services at the edge of Internet-of-Vehicles (IoV), Software-Defined Vehicular Network (SDVN) has been a promising technology to enable intelligent data exchange without giving additional duties to the resource constra... Read More about Novel Online Sequential Learning-Based Adaptive Routing for Edge Software-Defined Vehicular Networks.

Ontology-based Course Teacher Assignment within Universities (2020)
Journal Article
Ashour, G., Al-Dubai, A., & Romdhani, I. (2020). Ontology-based Course Teacher Assignment within Universities. International Journal of Advanced Computer Science and Applications, 11(7), https://doi.org/10.14569/ijacsa.2020.0110787

Educational institutions suffer from the enormous amount of data that keeps growing continuously. These data are usually scattered and unorganised, and it comes from different resources with different formats. Besides, modernization vision within the... Read More about Ontology-based Course Teacher Assignment within Universities.

Stratified Opposition-Based Initialization for Variable-Length Chromosome Shortest Path Problem Evolutionary Algorithms (2020)
Journal Article
Ghanami, A., Li, . J., Hawbani, A., & Al-Dubai, A. (2021). Stratified Opposition-Based Initialization for Variable-Length Chromosome Shortest Path Problem Evolutionary Algorithms. Expert Systems with Applications, 170, Article 114525. https://doi.org/10.1

Initialization is the first and a major step in the implementation of evolutionary algorithms (EAs). Although there are many common general methods to initialize EAs such as the pseudo-random number generator (PRNG), there is no single method that ca... Read More about Stratified Opposition-Based Initialization for Variable-Length Chromosome Shortest Path Problem Evolutionary Algorithms.

PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism (2020)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Buchanan, W. (2020). PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism. In ICVISP 2020: Proceedings of the 2020 4th International Conference on Vision, Image and Signal Processing.

The original consensus algorithm-Proof of Work (PoW) has been widely utilized in the blockchain systems and is been adopted by many cryptocurrencies, such as Bitcoin and Ethereum, among many others. Nevertheless, the concept has received criticisms o... Read More about PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism.

Recent Advances and Trends in Lightweight Cryptography for IoT Security (2020)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., & Buchanan, W. J. (2020, November). Recent Advances and Trends in Lightweight Cryptography for IoT Security. Presented at 2020 16th International Conference on Network and Service Management (CNSM), Izmir, Turkey

Lightweight cryptography is a novel diversion from conventional cryptography to minimise its high level of resource requirements, thus it would impeccably fit in the internet-of-things (IoT) environment. The IoT platform is constrained in terms of ph... Read More about Recent Advances and Trends in Lightweight Cryptography for IoT Security.

A New Mobility Aware Duty Cycling and Dynamic Preambling Algorithm for Wireless Sensor Network (2020)
Presentation / Conference Contribution
Thomson, C., Wadhaj, I., Al-Dubai, A., & Tan, Z. (2020, April). A New Mobility Aware Duty Cycling and Dynamic Preambling Algorithm for Wireless Sensor Network. Presented at IEEE 6th World Forum on Internet of Things, New Orleans, Louisiana, USA

The issue of energy holes, or hotspots, in wireless sensor networks is well referenced. As is the proposed mobilisa-tion of the sink node in order to combat this. However, as the sink node shall still pass some nodes more closely and frequently than... Read More about A New Mobility Aware Duty Cycling and Dynamic Preambling Algorithm for Wireless Sensor Network.

Novel Architecture and Heuristic Algorithms for Software-Defined Wireless Sensor Networks (2020)
Journal Article
Hawbani, A., Wang, X., Zhao, L., Al-Dubai, A., Min, G., & Busaileh, O. (2020). Novel Architecture and Heuristic Algorithms for Software-Defined Wireless Sensor Networks. IEEE/ACM Transactions on Networking, 28(6), 2809-2822. https://doi.org/10.1109/TNET.2

This article extends the promising software-defined networking technology to wireless sensor networks to achieve two goals: 1) reducing the information exchange between the control and data planes, and 2) counterbalancing between the sender's waiting... Read More about Novel Architecture and Heuristic Algorithms for Software-Defined Wireless Sensor Networks.

Machine Learning-driven Optimization for Intrusion Detection in Smart Vehicular Networks (2020)
Journal Article
Alsarhan, A., Al-Ghuwairi, A., Almalkaw, I., Alauthman, M., & Al-Dubai, A. (2021). Machine Learning-driven Optimization for Intrusion Detection in Smart Vehicular Networks. Wireless Personal Communications, 117, 3129-3152 (2021). https://doi.org/10.1007/s

An essential element in the smart city vision is providing safe and secure journeys via intelligent vehicles and smart roads. Vehicular ad hoc networks (VANETs) have played a significant role in enhancing road safety where vehicles can share road inf... Read More about Machine Learning-driven Optimization for Intrusion Detection in Smart Vehicular Networks.

Tuft: Tree Based Heuristic Data Dissemination for Mobile Sink Wireless Sensor Networks (2020)
Journal Article
Busaileh, O., Hawbani, A., Xingfu, W., Liu, P., Zhao, L., & Al-Dubai, A. (2022). Tuft: Tree Based Heuristic Data Dissemination for Mobile Sink Wireless Sensor Networks. IEEE Transactions on Mobile Computing, 21(4), 1520-1536. https://doi.org/10.1109/TMC.2

Wireless sensor networks (WSNs) with a static sink suffer from concentrated data traffic in the vicinity of the sink, which increases the burden on the nodes surrounding the sink, and impels them to deplete their batteries faster than other nodes in... Read More about Tuft: Tree Based Heuristic Data Dissemination for Mobile Sink Wireless Sensor Networks.

A Novel Generation-Adversarial-Network-Based Vehicle Trajectory Prediction Method for Intelligent Vehicular Networks (2020)
Journal Article
Zhao, L., Liu, Y., Al-Dubai, A. Y., Zomaya, A. Y., Min, G., & Hawbani, A. (2021). A Novel Generation-Adversarial-Network-Based Vehicle Trajectory Prediction Method for Intelligent Vehicular Networks. IEEE Internet of Things Journal, 8(3), 2066-2077. https

Prediction of the future location of vehicles and other mobile targets is instrumental in intelligent transportation system applications. In fact, networking schemes and protocols based on machine learning can benefit from the results of such accurat... Read More about A Novel Generation-Adversarial-Network-Based Vehicle Trajectory Prediction Method for Intelligent Vehicular Networks.

Evaluation of Ensemble Learning for Android Malware Family Identification (2020)
Journal Article
Wylie, J., Tan, Z., Al-Dubai, A., & Wang, J. (2020). Evaluation of Ensemble Learning for Android Malware Family Identification. Journal of Guangzhou University (Natural Science Edition), 19(4), 28-41

Every Android malware sample generally belongs to a specific family that performs a similar set of actions and characteristics. Having the ability to effectively identify Android malware families can assist in addressing the damage caused by malware.... Read More about Evaluation of Ensemble Learning for Android Malware Family Identification.

Lightweight edge authentication for software defined networks (2020)
Journal Article
Almaini, A., Al-Dubai, A., Romdhani, I., Schramm, M., & Alsarhan, A. (2021). Lightweight edge authentication for software defined networks. Computing, 103, https://doi.org/10.1007/s00607-020-00835-4

OpenFlow is considered as the most known protocol for Software Defined Networking (SDN). The main drawback of OpenFlow is the lack of support of new header definitions, which is required by network operators to apply new packet encapsulations. While... Read More about Lightweight edge authentication for software defined networks.

An Ontological Model for Courses and Academic Profiles Representation: A case study of King Abdulaziz University (2020)
Presentation / Conference Contribution
Ashour, G., Al-Dubai, A., Romdhani, I., & Aljohani, N. (2020). An Ontological Model for Courses and Academic Profiles Representation: A case study of King Abdulaziz University. In 2020 International Conference Engineering Technologies and Computer Scienc

Educational data is growing continuously. This huge amount of data that is scattered and come from different resources with different formats usually is noisy, duplicated, inconsistent, and unorganized. These data can be more efficient and usable whe... Read More about An Ontological Model for Courses and Academic Profiles Representation: A case study of King Abdulaziz University.

A Novel Multimodal Collaborative Drone-Assisted VANET Networking Model (2020)
Journal Article
Lin, N., Fu, L., Zhao, L., Min, G., Al-Dubai, A., & Gacanin, H. (2020). A Novel Multimodal Collaborative Drone-Assisted VANET Networking Model. IEEE Transactions on Wireless Communications, 19(7), 4919-4933. https://doi.org/10.1109/TWC.2020.2988363

Drones can be used in many assistance roles in complex communication situations and play key roles as aerial wireless relays to help terrestrial network communications. Although a great deal of emphasis has been placed on the drone-assisted networks,... Read More about A Novel Multimodal Collaborative Drone-Assisted VANET Networking Model.

Routing Schemes in Software-Defined Vehicular Networks: Design, Open Issues and Challenges (2020)
Journal Article
Zhao, L., Al-Dubai, A., Zomaya, A. Y., Min, G., Hawbani, A., & Li, J. (2021). Routing Schemes in Software-Defined Vehicular Networks: Design, Open Issues and Challenges. IEEE Intelligent Transportation Systems Magazine, 13(4), 217-226. https://doi.org/10.

Software-defined vehicular networks (SDVN) is a promising technology to overcome the limitations of current vehicular networking. However, existing vehicular routing schemes are not equipped to handle communication in SDVNs. In addition, routing sche... Read More about Routing Schemes in Software-Defined Vehicular Networks: Design, Open Issues and Challenges.

Mitigation Mechanisms Against the DAO Attack on the Routing Protocol for Low Power and Lossy Networks (RPL) (2020)
Journal Article
Wadhaj, I., Ghaleb, B., Thomson, C., Al-Dubai, A., & Buchanen, B. (2020). Mitigation Mechanisms Against the DAO Attack on the Routing Protocol for Low Power and Lossy Networks (RPL). IEEE Access, 8, 43665-43675. https://doi.org/10.1109/ACCESS.2020.2977476

Destination Advertisement Objects (DAOs) are sent upward by RPL nodes toward the DODAG root, to build the downward routing paths carrying traffic from the root to its associated nodes. This routing mechanism can be exploited by a malicious node perio... Read More about Mitigation Mechanisms Against the DAO Attack on the Routing Protocol for Low Power and Lossy Networks (RPL).

Impact of Relay Location of STANC Bi-Directional Transmission for Future Autonomous Internet of Things Applications (2020)
Journal Article
Tanoli, S. A. K., Shah, S. A., Khan, M. B., Nawaz, F., Hussain, A., Al-Dubai, A. Y., Khan, I., Shah, S. Y., & Alsarhan, A. (2020). Impact of Relay Location of STANC Bi-Directional Transmission for Future Autonomous Internet of Things Applications. IEEE Ac

Wireless communication using existing coding models poses several challenges for RF signals due to multipath scattering, rapid fluctuations in signal strength and path loss effect. Unlike existing works, this study presents a novel cod... Read More about Impact of Relay Location of STANC Bi-Directional Transmission for Future Autonomous Internet of Things Applications.

Delegation of Authentication to the Data Plane in Software-Defined Networks (2020)
Presentation / Conference Contribution
Almaini, A., Al-Dubai, A., Romdhani, I., & Schramm, M. (2019, October). Delegation of Authentication to the Data Plane in Software-Defined Networks. Presented at 2019 IEEE International Conferences on Ubiquitous Computing & Communications (IUCC) and Data

OpenFlow is considered as the most known protocol for Software Defined Networking (SDN). The main drawback of OpenFlow is the lack of support of new header definitions, which is required by network operators to apply new packet encapsulations. While... Read More about Delegation of Authentication to the Data Plane in Software-Defined Networks.

Fuzzy-Based Distributed Protocol for Vehicle-to-Vehicle Communication (2019)
Journal Article
Hawbani, A., Torbosh, E., Wang, X., Sincak, P., Zhao, L., & Al-Dubai, A. (2021). Fuzzy-Based Distributed Protocol for Vehicle-to-Vehicle Communication. IEEE Transactions on Fuzzy Systems, 29(3), 612-626. https://doi.org/10.1109/tfuzz.2019.2957254

This paper modeled the multihop data-routing in Vehicular Ad-hoc Networks(VANET) as Multiple Criteria Decision Making (MCDM) in four steps. First, the criteria which have an impact on the performance of the network layer are captured and transformed... Read More about Fuzzy-Based Distributed Protocol for Vehicle-to-Vehicle Communication.

Novel Fuzzy and Game Theory Based Clustering and Decision Making for VANETs (2019)
Journal Article
Alsarhan, A., Kilani, Y., Al-Dubai, A., Zomaya, A. Y., & Hussain, A. (2020). Novel Fuzzy and Game Theory Based Clustering and Decision Making for VANETs. IEEE Transactions on Vehicular Technology, 69(2), 1568-1581. https://doi.org/10.1109/TVT.2019.2956228

Different studies have recently emphasized the importance of deploying clustering schemes in Vehicular ad hoc Network (VANET) to overcome challenging problems related to scalability, frequent topology changes, scarcity of spectrum resources, maintain... Read More about Novel Fuzzy and Game Theory Based Clustering and Decision Making for VANETs.

Mobility Aware Duty Cycling Algorithm (MADCAL) in Wireless Sensor Network with Mobile Sink Node (2019)
Presentation / Conference Contribution
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2019). Mobility Aware Duty Cycling Algorithm (MADCAL) in Wireless Sensor Network with Mobile Sink Node. In 2019 IEEE International Conference on Smart Internet of Things (SmartIoT). https://doi.org/10.110

In Wireless Sensor Networks (WSNs) the use of Mobile Sink Nodes (MSNs) has been proposed in order to negate the ”hotspot” issue. This where nodes closest to the sink node shall run out of energy fastest, affecting network lifetime. However, in using... Read More about Mobility Aware Duty Cycling Algorithm (MADCAL) in Wireless Sensor Network with Mobile Sink Node.

Mobility Aware Duty Cycling Algorithm (MADCAL) A Dynamic Communication Threshold for Mobile Sink in Wireless Sensor Network (2019)
Journal Article
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2019). Mobility Aware Duty Cycling Algorithm (MADCAL) A Dynamic Communication Threshold for Mobile Sink in Wireless Sensor Network. Sensors, 19(22), Article 4930. https://doi.org/10.3390/s19224930

The hotspot issue in wireless sensor networks, with nodes nearest the sink node losing energy fastest and degrading network lifetime, is a well referenced problem. Mobile sink nodes have been proposed as a solution to this. This does not completely r... Read More about Mobility Aware Duty Cycling Algorithm (MADCAL) A Dynamic Communication Threshold for Mobile Sink in Wireless Sensor Network.

A 3D Smooth Random Walk Mobility Model for FANETs (2019)
Presentation / Conference Contribution
Lin, N., Gao, F., Zhao, L., Al-Dubai, A., & Tan, Z. (2019). A 3D Smooth Random Walk Mobility Model for FANETs. In 2019 IEEE 21st International Conference on High Performance Computing and Communications; IEEE 17th International Conference on Smart City;

The number of Unmanned Aerial Vehicles (UAVs) applications has increased over the past few years. Among all scenarios, UAV group consisting multi-UAVs is normally used to provide extensible communications. As a networking solution, Flying Ad Hoc Netw... Read More about A 3D Smooth Random Walk Mobility Model for FANETs.

A Learning-based Vehicle-Trajectory Generation Method for Vehicular Networking (2019)
Presentation / Conference Contribution
Zhao, L., Liu, Y., Al-Dubai, A., Tan, Z., Min, G., & Xu, L. (2019). A Learning-based Vehicle-Trajectory Generation Method for Vehicular Networking. . https://doi.org/10.1109/HPCC/SmartCity/DSS.2019.00082

With the rapid development of mobile applications, networking technologies have been constantly evolved to offer a more convenient way of sharing information and online-communication anytime and anywhere. Vehicular networks have the potential to beco... Read More about A Learning-based Vehicle-Trajectory Generation Method for Vehicular Networking.

A reliable route repairing scheme for internet of vehicles (2019)
Journal Article
Banikhalaf, M., Manasrah, A. M., AlEroud, A. F., Hamadneh, N., Qawasmeh, A., & Al-Dubai, A. Y. (2019). A reliable route repairing scheme for internet of vehicles. International Journal of Computer Applications in Technology, 61(3), https://doi.org/10.1504

Recently, Internet of Vehicles (IoVs) has been recognised as a key solution for vehicular communications. Connected vehicles and infrastructure' roadside units have been shaping the underlying architecture of IoVs technology, where the conventional r... Read More about A reliable route repairing scheme for internet of vehicles.

A Lightweight and Efficient Digital Image Encryption Using Hybrid Chaotic Systems for Wireless Network Applications (2019)
Journal Article
Almalkawi, I. T., Halloush, R., Alsarhan, A., Al-Dubai, A., & Al-karaki, J. N. (2019). A Lightweight and Efficient Digital Image Encryption Using Hybrid Chaotic Systems for Wireless Network Applications. Journal of Information Security and Applications, 4

Due to limited processing capabilities and other constraints of most wireless networks, many existing security algorithms do not consider the network efficiency. This is because most of these security solutions exhibit intolerable overhead and consid... Read More about A Lightweight and Efficient Digital Image Encryption Using Hybrid Chaotic Systems for Wireless Network Applications.

FRCA: A Novel Flexible Routing Computing Approach for Wireless Sensor Networks (2019)
Journal Article
Liu, P., Wang, X., Hawbani, A., Busaileh, O., Zhao, L., & Al-Dubai, A. (2020). FRCA: A Novel Flexible Routing Computing Approach for Wireless Sensor Networks. IEEE Transactions on Mobile Computing, 19(11), 2623-2639. https://doi.org/10.1109/tmc.2019.29288

In wireless sensor networks, routing protocols with immutable network policies lacking the flexibility are generally incapable of maintaining desired performance due to the complicated and changeable environment situations and application requirement... Read More about FRCA: A Novel Flexible Routing Computing Approach for Wireless Sensor Networks.

A temporal-information-based adaptive routing algorithm for software defined vehicular networks (2019)
Presentation / Conference Contribution
Zhao, L., Li, Z., Li, J., Al-Dubai, A., Min, G., & Zomaya, A. Y. (2019). A temporal-information-based adaptive routing algorithm for software defined vehicular networks. In ICC 2019 - 2019 IEEE International Conference on Communications (ICC). https://do

In Software Defined Vehicular Networks (SDVNs), most existing studies of routing consider the vehicular network as a static graph and compute the flow table based on static information. However, a static graph could only contain partial network data.... Read More about A temporal-information-based adaptive routing algorithm for software defined vehicular networks.

A novel adaptive routing and switching scheme for software-defined vehicular Networks (2019)
Presentation / Conference Contribution
Zhoa, L., Zhao, W., Gong, C., Al-Dubai, A., & Min, G. (2019). A novel adaptive routing and switching scheme for software-defined vehicular Networks. In Proceedings of the IEEE International Conference on Communications. https://doi.org/10.1109/ICC.2019.8

Software-Defined Vehicular Networks (SDVNs) technology has been attracting significant attention as it can make Vehicular Ad Hoc Network (VANET) more efficient and intelligent. SDVN provides a flexible architecture which can decouple the network mana... Read More about A novel adaptive routing and switching scheme for software-defined vehicular Networks.

A Multi-UAV Clustering Strategy for Reducing Insecure Communication Range (2019)
Journal Article
Wu, J., Zou, L., Zhao, L., Al-Dubai, A., Mackenzie, L., & Min, G. (2019). A Multi-UAV Clustering Strategy for Reducing Insecure Communication Range. Computer Networks, 158, 132-142. https://doi.org/10.1016/j.comnet.2019.04.028

Multi-unmanned aerial vehicle (UAV) flight formations can be deployed to monitor large areas. Individual UAVs communicate and exchange information while formation flying. but, such communication presents a security risk. The area between the UAV group... Read More about A Multi-UAV Clustering Strategy for Reducing Insecure Communication Range.

A new security approach for the spectrum access in vehicular networks (2019)
Presentation / Conference Contribution
Alsarhan, A., Al-Dubai, A., Kilani, Y., & Alkhalidy, M. (2019). A new security approach for the spectrum access in vehicular networks.

Vehicular ad hoc networks (VANETs) have been instrumental in intelligent transportation systems that enhances road safety and road management significantly. This technology enables communication among vehicles where drivers can share road information... Read More about A new security approach for the spectrum access in vehicular networks.

A New Load-Balancing Aware Objective Function for RPL's IoT Networks (2019)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Gharib, W., Mackenzi, L., & Bani Khala, M. (2019). A New Load-Balancing Aware Objective Function for RPL's IoT Networks. In 2018 IEEE 20th International Conference on High Performance Computing and Communications;

The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) has been recently standardized as the de facto solution for routing in the context of the emerging Internet of Things (IoT) paradigm. RPL, along with other standards, has provided a bas... Read More about A New Load-Balancing Aware Objective Function for RPL's IoT Networks.

An adaptive warning message scheme for emergency vehicles using vehicular ad hoc communication (2018)
Journal Article
Banikhalaf, M., Hammad, R., Al-Dubai, A. Y., & Ghaleb, B. (2018). An adaptive warning message scheme for emergency vehicles using vehicular ad hoc communication. International Journal of Engineering and Technology (IJET), 7(4), 3182-3189. https://doi.org/

Nowadays, traffic management has been a challenging task due to the growing number of vehicles. More specifically, operation management of Emergency Vehicles (EVs) such as ambulances, police force and fire fighting vehicles require extensive industri... Read More about An adaptive warning message scheme for emergency vehicles using vehicular ad hoc communication.

MOSAIC: Simultaneous Localization and Environment Mapping using mmWave without a-priori Knowledge (2018)
Journal Article
Yassin, A., Nasser, Y., Al-Dubai, A., & Awad, M. (2018). MOSAIC: Simultaneous Localization and Environment Mapping using mmWave without a-priori Knowledge. IEEE Access, 6, 68932-68947. https://doi.org/10.1109/access.2018.2879436

Simultaneous Localization and environment mapping (SLAM) is the core to robotic mapping and navigation as it constructs simultaneously the unknown environment and localizes the agent within. However, in millimeter wave (mmWave) research, SLAM is stil... Read More about MOSAIC: Simultaneous Localization and Environment Mapping using mmWave without a-priori Knowledge.

Addressing the DAO Insider Attack in RPL’s Internet of Things Networks (2018)
Journal Article
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Qasem, M., Romdhani, I., & Mackenzie, L. (2019). Addressing the DAO Insider Attack in RPL’s Internet of Things Networks. IEEE Communications Letters, 23(1), 68-71. https://doi.org/10.1109/LCOMM.2018.2878151

In RPL routing protocol, the DAO (Destination Advertisement Object) control messages are announced by the child nodes to their parents to build downward routes. A malicious insider node can exploit this feature to send fake DAOs to its parents period... Read More about Addressing the DAO Insider Attack in RPL’s Internet of Things Networks.

A Survey of Limitations and Enhancements of the IPv6 Routing Protocol for Low-power and Lossy Networks: A Focus on Core Operations (2018)
Journal Article
Ghaleb, B., Al-Dubai, A. Y., Ekonomou, E., Alsarhan, A., Nasser, Y., Mackenzie, L. M., & Boukerche, A. (2019). A Survey of Limitations and Enhancements of the IPv6 Routing Protocol for Low-power and Lossy Networks: A Focus on Core Operations. Communicatio

Driven by the special requirements of the Low-power and Lossy Networks (LLNs), the IPv6 Routing Protocol for LLNs (RPL) was standardized by the IETF some six years ago to tackle the routing issue in such networks. Since its introduction, however, num... Read More about A Survey of Limitations and Enhancements of the IPv6 Routing Protocol for Low-power and Lossy Networks: A Focus on Core Operations.

A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT (2018)
Journal Article
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Romdhani, I., Nasser, Y., & Boukerche, A. (2018). A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT. IEEE Internet of Things Journal, 5(6), 12. https://doi.org/10.1109/JIOT.201

In this paper, we introduce Drizzle, a new algorithm for maintaining routing information in the Low-power and Lossy Networks (LLNs). The aim is to address the limitations of the currently standardized routing maintenance (i.e. Trickle algorithm) in s... Read More about A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT.

Performance Investigation of RPL Routing in Pipeline Monitoring WSNs (2018)
Presentation / Conference Contribution
Wadhaj, I., Gharebi, W., Al-Dubai, A., & Thomson, C. (2018, June). Performance Investigation of RPL Routing in Pipeline Monitoring WSNs. Presented at 2018 IEEE 20th International Conference on High Performance Computing and Communications; IEEE 16th Inter

The adoption of WSN and IEEE 802.15.4 standard for the linear WSN networks were assumed. The interconnection of WSNs with the Internet is possible by assigning IPv6 addresses to low- power devices. The 6LoWPAN adaption layer enables the IPv6 addresse... Read More about Performance Investigation of RPL Routing in Pipeline Monitoring WSNs.

Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks (2018)
Presentation / Conference Contribution
Ali, A. E., Al-Dubai, A., Romdhani, I., & Eshaftri, M. (2018, June). Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks. Paper presented at The 16th IEEE International Conference on Smart City (IEEE SmartCit

In Wireless Sensor Networks, clustering sensor nodes into disjoint groups is widely used to achieve load balance and increase network lifetime. In particular, traditional unequal clustering approaches where small clusters located close to the base st... Read More about Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks.

Drizzle Algorithm (2018)
Report
Ghaleb, B., Al-Dubai, A., Romdhani, I., & Qasem, M. (2018). Drizzle Algorithm. USA: IETF

Trickle algorithm used in RPL routing protocol suffers from some issues related to power, network convergence time and overhead and load-distribution. To optimize this algorithm for Low-power and Lossy Networks (LLNs), a new algorithm called Dr... Read More about Drizzle Algorithm.

Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs) (2018)
Journal Article
Salayma, M., Al-Dubai, A., Romdhani, I., & Nasser, Y. (2018). Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs). IEEE Transactions on Green Communications and Networking, 2(3), 804-816. https://doi.org/1

Medium Access Control (MAC) protocols based on Time Division Multiple Access (TDMA) can improve the reliability and efficiency of WBAN. However, traditional static TDMA techniques adopted by IEEE 802.15.4 and IEEE 802.15.6 do not sufficiently conside... Read More about Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs).

A New Spectrum Management Scheme for Road Safety in Smart Cities (2018)
Journal Article
Alsarhan, A., Al-Dubai, A. Y., Min, G., Zomaya, A. Y., & Bsoul, M. (2018). A New Spectrum Management Scheme for Road Safety in Smart Cities. IEEE Transactions on Intelligent Transportation Systems, 19(11), 3496-3506. https://doi.org/10.1109/TITS.2017.2784

Traffic management in roads is one of the major challenges faced in developing efficient intelligent transportation systems. Recently, wireless networks have received significant attention for tackling this challenge. However, wireless technologies f... Read More about A New Spectrum Management Scheme for Road Safety in Smart Cities.

Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01 (2018)
Report
Qasem, M., Al-Dubai, A., Romdhani, I., & Ghaleb, B. (2018). Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01. USA: IETF

This document proposes an extended Objective Function(OF) that balances the number of children nodes of the parent nodes to avoid the overloading problem and ensure node lifetime maximization in the IPv6 Routing Protocol for Low-Power and Lossy Net... Read More about Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01.

Leaf-based Routing Mechanism for Low-Power and Lossy Networks (2018)
Patent
Ghaleb, B., & Al-Dubai, A. (2018). Leaf-based Routing Mechanism for Low-Power and Lossy Networks. 1800668.4. Intellectual Property Office, UK

Unlike existing solutions, our invention provides a “Leaf-Based” mechanism for establishing the Downward routes in Low-Power and Lossy Networks (LLNs) that seeks to provide a novel, scalable and efficient routing solution for LLNs, which are the back... Read More about Leaf-based Routing Mechanism for Low-Power and Lossy Networks.

A new dynamic weight clustering algorithm for wireless sensor networks (2017)
Presentation / Conference Contribution
Essa, A., Al-Dubai, A., Romdhani, I., & Eshaftri, M. (2016, May). A new dynamic weight clustering algorithm for wireless sensor networks. Presented at 1st EAI International Conference on Smart Grid Inspired Future Technologies (SmartGift 2016)

Since sensor nodes have limited energy resources, prolonging network lifetime and improving scalability are essential elements in energy-efficient Wireless Sensor Networks (WSNs). Most existing approaches consider the residual energy of a single node... Read More about A new dynamic weight clustering algorithm for wireless sensor networks.

Load Balancing Objective Function in RPL (Draft 2) (2017)
Report
Qasem, M., Al-Dubai, A., Romdhani, I., Ghaleb, B., Hou, J., & Jadhav, R. A. (2017). Load Balancing Objective Function in RPL (Draft 2). USA: IETF

This document proposes an extended Objective Function(OF) that balances the number of child nodes of the parent nodes to avoid the overloading problem and ensure node lifetime maximization in the IPv6 Routing Protocol for Low-Power and Lossy Ne... Read More about Load Balancing Objective Function in RPL (Draft 2).

A New Weight based Rotating Clustering Scheme for WSNs (2017)
Presentation / Conference Contribution
Essa, A., Al-Dubai, A. Y., Romdhani, I., & Esriaftri, M. A. (2017). A New Weight based Rotating Clustering Scheme for WSNs. In 2017 International Symposium on Networks, Computers and Communications (ISNCC). https://doi.org/10.1109/ISNCC.2017.8072000

Although energy efficiency in Wireless Sensor Networks (WSNs) has been investigated widely, it is still a challenging dilemma. Clustering mechanisms are among the most widely recommended approaches to sustaining a network throughout its lifetime. Des... Read More about A New Weight based Rotating Clustering Scheme for WSNs.

Adaptive Resource Allocation and Provisioning in Multi-Service Cloud Environments (2017)
Journal Article
Alsarhan, A., Itradat, A., Al-Dubai, A. Y., Zomaya, A. Y., & Min, G. (2018). Adaptive Resource Allocation and Provisioning in Multi-Service Cloud Environments. IEEE Transactions on Parallel and Distributed Systems, 29(1), 31-42. https://doi.org/10.1109/tp

In the current cloud business environment, the cloud provider (CP) can provide a means for offering the required quality of service (QoS) for multiple classes of clients. We consider the cloud market where various resources such as CPUs, memory, and... Read More about Adaptive Resource Allocation and Provisioning in Multi-Service Cloud Environments.

Drizzle: Adaptive and fair route maintenance algorithm for Low-power and Lossy Networks in IoT (2017)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., Romdhani, I., Nasser, Y., & Boukerche, A. (2017). Drizzle: Adaptive and fair route maintenance algorithm for Low-power and Lossy Networks in IoT. In 2017 IEEE International Conference on Communications (ICC) (1-6). https://doi.o

Low-power and Lossy Networks (LLNs) have been a key component in the Internet of Things (IoT) paradigm. Recently, a standardized algorithm, namely Trickle algorithm, is adopted for routing information maintenance in such networks. This algorithm is o... Read More about Drizzle: Adaptive and fair route maintenance algorithm for Low-power and Lossy Networks in IoT.

Simultaneous context inference and mapping using mm-Wave for indoor scenarios (2017)
Presentation / Conference Contribution
Yassin, A., Nasser, Y., Awad, M., & Al-Dubai, A. (2017, May). Simultaneous context inference and mapping using mm-Wave for indoor scenarios. Presented at 2017 IEEE International Conference on Communications (ICC), Paris, France

We introduce in this paper two main approaches, Triangulateration (TL) and Angle-Difference-of-Arrival (ADoA) for indoor localization and mapping using single-anchor and millimeter wave (MMW) propagation characteristics. Then, we perform context infe... Read More about Simultaneous context inference and mapping using mm-Wave for indoor scenarios.

A new enhanced RPL based routing for Internet of Things (2017)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., Ekonomou, E., & Wadhaj, I. (2017, June). A new enhanced RPL based routing for Internet of Things. Presented at 2017 IEEE International Conference on Communications Workshops (ICC Workshops)

The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) has been recently standardized for routing in the constrained Internet of Things networks. Unfortunately, the RPL storing mode has been found restricted by storage limitations in the ro... Read More about A new enhanced RPL based routing for Internet of Things.

Performance evaluation of RPL metrics in environments with strained transmission ranges. (2017)
Presentation / Conference Contribution
Thomson, C., Wadhaj, I., Romdhani, I., & Al-Dubai, A. (2017). Performance evaluation of RPL metrics in environments with strained transmission ranges. In 2016 IEEE/ACS 13th International Conference of Computer Systems and Applications (AICCSA). https://

An examination of existing studies in the area of Routing Protocol for Low-Power and Lossy Networks (RPL) implementation in wireless sensor networks (WSNs) reveals a consistent approach taken of optimal node distribution. This in order to best evalua... Read More about Performance evaluation of RPL metrics in environments with strained transmission ranges..

Reliability and energy efficiency enhancement in wireless body area networks for e-health (2017)
Presentation / Conference Contribution
Salayma, M., Al-Dubai, A., & Romdhani, I. (2017). Reliability and energy efficiency enhancement in wireless body area networks for e-health. In 2016 19th Conference of Open Innovations Association (FRUCT). https://doi.org/10.23919/FRUCT.2016.7892202

Wireless Body Area Network (WBAN) is a technology that revolutionises our understanding of the future digitised healthcare systems. WBAN has unique challenges and features compared to other wireless sensor networks. In addition to battery power consu... Read More about Reliability and energy efficiency enhancement in wireless body area networks for e-health.

VANET aided D2D Discovery: Delay Analysis and Performance (2017)
Journal Article
Chour, H., Nasser, Y., Artail, H., Kachouh, A., & Al-Dubai, A. (2017). VANET aided D2D Discovery: Delay Analysis and Performance. IEEE Transactions on Vehicular Technology, 66(9), 8059-8071. https://doi.org/10.1109/TVT.2017.2690238

The proposed solutions in the literature for integrating Device-to-Device (D2D) communication in cellular networks require added functionalities and consume valuable network resources, mainly in the discovery process. Unlike existing solutions, this... Read More about VANET aided D2D Discovery: Delay Analysis and Performance.

Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence (2017)
Journal Article
Salayma, M., Al-Dubai, A., Romdhani, I., & Nasser, Y. (2017). Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence. ACM computing surveys, 50(1), Article 3. https://doi.org/10.1145/3041956

Wireless Body Area Network (WBAN) has been a key element in e-health to monitor bodies. This technology enables new applications under the umbrella of different domains, including the medical field, the entertainment and ambient intelligence areas. T... Read More about Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence.

BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC. (2017)
Book Chapter
Salayma, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2017). BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC. In M. Grzenda, J. Furtak, J. Legierski, & A. I. Awad (Eds.), Advances in Networking Systems

The IEEE 802.15.4 standard supports both physical and Media Access Con-trol (MAC) layers of low rate Wireless Sensor Network (WSNs). However, this stand-ard considers only the ideal linear power consumption, omitting the fact that the diffu-sion prin... Read More about BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC..

BEFTIGRE: Behaviour-driven full-tier green evaluation of mobile cloud applications (2017)
Journal Article
Chinenyeze, S. J., Liu, X., & Al-Dubai, A. (2017). BEFTIGRE: Behaviour-driven full-tier green evaluation of mobile cloud applications. Journal of Software: Evolution and Process, 29(2), e1848. https://doi.org/10.1002/smr.1848

With the resource-constrained nature of mobile devices and the resource-abundant offerings of the cloud, several promising optimisation techniques have been proposed by the green computing research community. Prominent techniques and unique methods h... Read More about BEFTIGRE: Behaviour-driven full-tier green evaluation of mobile cloud applications.

A new efficient cross-layer relay node selection model for Wireless Community Mesh Networks (2017)
Journal Article
Zhao, L., Al-Dubai, A., Li, X., Chen, G., & Min, G. (2017). A new efficient cross-layer relay node selection model for Wireless Community Mesh Networks. Computers and Electrical Engineering, 61, 361-372. https://doi.org/10.1016/j.compeleceng.2016.12.031

Current networking technologies are not perfectly equipped to support Quality of Service (QoS), which is vital for real-time multimedia applications in Wireless Community Mesh Networks (WCNs). Therefore, there is a need to devise innovative routing a... Read More about A new efficient cross-layer relay node selection model for Wireless Community Mesh Networks.

A new efficient objective function for routing in Internet of Things paradigm (2016)
Presentation / Conference Contribution
Qasem, M., Al-Dubai, A., Romdhani, I., Ghaleb, B., & Gharibi, W. (2016, October). A new efficient objective function for routing in Internet of Things paradigm. Presented at 2016 IEEE Conference on Standards for Communications and Networking (CSCN)

Low Power and Lossy Networks (LLNs) have a crucial role in the Internet of Things (IoT) paradigm. For the IPv6 Routing Protocol for LLNs (RPL), two objective functions (OF) have been standardized so far, namely (Objective Function zero (OF0), and the... Read More about A new efficient objective function for routing in Internet of Things paradigm.

Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications (2016)
Journal Article
Yassin, A., Nasser, Y., Awad, M., Al-Dubai, A., Liu, R., Yuen, C., …Aboutanios, E. (2017). Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications. Communications Surveys and Tutorials, IEEE Communications Society, 19

Nowadays, the availability of the location information becomes a key factor in today’s communications systems for allowing location based services. In outdoor scenarios, the Mobile Terminal (MT) position is obtained with high accuracy thanks to the G... Read More about Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications.

Weight Driven Cluster Head Rotation for Wireless Sensor Networks (2016)
Presentation / Conference Contribution
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Essa, A. (2016). Weight Driven Cluster Head Rotation for Wireless Sensor Networks. In B. Abdulrazak, E. Pardede, M. Steinbauer, I. Khalil, & G. Anderst-Kotsis (Eds.), Proceedings of the 14th International

Energy efficiency is one of the major issues in Wireless Sensor Networks (WSNs), due to the limited power and processing capabilities of the Sensor Nodes (SNs). The clustering techniques proved to be the effective solution to improve the energy effic... Read More about Weight Driven Cluster Head Rotation for Wireless Sensor Networks.

Trickle-Plus: Elastic Trickle algorithm for Low-power networks and Internet of Things (2016)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Paechter, B., & Qasem, M. (2016, April). Trickle-Plus: Elastic Trickle algorithm for Low-power networks and Internet of Things. Presented at 2016 IEEE Wireless Communications and Networking Conference

Constrained Low-power and Lossy networks (LLNs) represent the building block for the ever-growing Internet of Things (IoT) that deploy the Routing Protocol for Low Power and Lossy networks (RPL) as a key routing standard. RPL, along with other routin... Read More about Trickle-Plus: Elastic Trickle algorithm for Low-power networks and Internet of Things.

DEEPC: Dynamic Energy Profiling of Components (2016)
Presentation / Conference Contribution
Liu, X., Chinenyeze, S. J., & Al-Dubai, A. (2016). DEEPC: Dynamic Energy Profiling of Components. In 2016 IEEE 40th Annual Computer Software and Applications Conference (COMPSAC). https://doi.org/10.1109/COMPSAC.2016.90

Many software projects are built using reusable components (i.e. reusable objects - as per component and connectors in software architectures). During component selection in CBSD, components are evaluated on the criteria of required quality attribute... Read More about DEEPC: Dynamic Energy Profiling of Components.

Cooja Simulator Manual (2016)
Report
Thomson, C., Romdhani, I., Al-Dubai, A., Qasem, M., Ghaleb, B., & Wadhaj, I. (2016). Cooja Simulator Manual. Edinburgh: Edinburgh Napier University

While Cooja has been proven to be an ideal tool for the simulation of RPL in WSNs, there are challenges involved in its use, particularly in regard to a lack of documentation. The Contiki website provides an image of Instant Contiki which can then be... Read More about Cooja Simulator Manual.

A Dynamic Power Tuning for the Constrained Application Protocol of Internet of Things (2015)
Presentation / Conference Contribution
Qasem, M., Al-Dubai, A., Romdhani, I., & Yassien, M. B. (2015, October). A Dynamic Power Tuning for the Constrained Application Protocol of Internet of Things. Presented at 2015 IEEE International Conference on Computer and Information Technology; Ubiquit

Constrained application protocol (CoAP) has been designed for M2M and IoT applications. The resource directory (RD) in CoAP requires periodical updates by other nodes. However, a regular update process causes extra signaling overhead and drains the n... Read More about A Dynamic Power Tuning for the Constrained Application Protocol of Internet of Things.

Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks (2015)
Presentation / Conference Contribution
Wadhaj, I., Kristof, I., Romdhani, I., & Al-Dubai, A. (2015, October). Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks. Presented at 2015 IEEE International Conference on Computer and Information Technology

Low-Power and Lossy-Network (LLN) are usually composed of static nodes, but the increase demand for mobility in mobile robotic and dynamic environment raises the question how a routing protocol for low-power and lossy-networks such as (RPL) would per... Read More about Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks.

E-Trickle: Enhanced Trickle Algorithm for Low-Power and Lossy Networks (2015)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., & Ekonomou, E. (2015, October). E-Trickle: Enhanced Trickle Algorithm for Low-Power and Lossy Networks. Presented at IEEE 2015 IEEE International Conference on Computer and Information Technology; Ubiquitous Computing and Communi

Routing Protocol for Low Power and Lossy networks (RPL) is the de-facto standard for routing in resource-constrained low-power and lossy networks (LLNs) which represent the building block for the ever-growing Internet of Things (IoT). RPL along with... Read More about E-Trickle: Enhanced Trickle Algorithm for Low-Power and Lossy Networks.

Performance evaluation of RPL objective functions (2015)
Presentation / Conference Contribution
Qasem, M., Altwassi, H., Yassein, M. B., & Al-Dubai, A. (2015, October). Performance evaluation of RPL objective functions. Presented at International Workshop on Internet of Things and Smart Spaces (IoT-Smart-2015): Applications, Challenges and Future Tr

IPv6 Routing Protocol for Low-Power and Lossy Networks (RPL) is a standard for Wireless Sensors Networks. RPL uses two different ‘objective functions’ (OFs), namely Minimum Rank with Hysteresis Objective Function (MRHOF); and Objective Function Zero... Read More about Performance evaluation of RPL objective functions.

Mobility And Energy Extensions For The IEEE 802.15.4 Standard (2015)
Presentation / Conference Contribution
Romdhani, I., Al-Dubai, A. Y., & Guibene, W. (2015). Mobility And Energy Extensions For The IEEE 802.15.4 Standard. In L. Luke Chen, M. Steinbauer, I. Khalil, & G. Anderst-Kotsis (Eds.), Proceedings of the 13th International Conference on Advances in Mobi

The IEEE 802.15.4 standard is designed for low-power and low-rate wireless Personal Area Networks. Although energy is a key parameter in shaping the communication and interaction methods of wireless sensor nodes, the specification of the MAC layer do... Read More about Mobility And Energy Extensions For The IEEE 802.15.4 Standard.

An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks (2015)
Presentation / Conference Contribution
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Yassein, M. B. (2015, December). An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks. Presented at Proceedings of the 13th International Conference on Advances in Mobile Computi

In Wireless Sensor Networks (WSNs), clustering techniques are among the effective solutions to reduce energy consumption and prolong the network lifetime. During the iterative re-clustering process, extra energy and time are consumed especially at th... Read More about An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks.

A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks (2015)
Presentation / Conference Contribution
Eshaftri, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2015, September). A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks. Presented at Proceedings of the 2015 Federated Conference on Computer Science and Information Systems

In Wireless Sensor Networks (WSNs), clustering techniques are usually used as a key effective solution to reduce energy consumption and prolong the network lifetime. Despite many works on clustering in WSNs, this issue is still, however, in its infan... Read More about A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks.

Inspired counter based broadcasting in dynamic source routing protocol. (2015)
Presentation / Conference Contribution
Yassein, M. B., & Al-Dubai, A. (2015, October). Inspired counter based broadcasting in dynamic source routing protocol. Paper presented at 14th IEEE International Conference on Ubiquitous Computing and Communications (IUCC-2015)

The broadcast storm problem is one of the most challenging issues in Mobile ad Hoc Networks (MANETs). However, it is still a challenging problem despite the great deal of related works and existing solutions. Dynamic Source Routing Protocol (DSR)... Read More about Inspired counter based broadcasting in dynamic source routing protocol..

Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach (2015)
Presentation / Conference Contribution
Salayma, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2015, September). Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach. Presented at Proceedings of the 2015 Federated Conference on Computer Science and Information Sys

In Wireless Sensor Networks (WSNs), energy conservation is one of the main concerns challenging the cutting-edge standards and protocols. Most existing studies focus on the design of WSN energy efficient algorithms and standards. The standard IEEE 80... Read More about Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach.

ATP: Adaptive Tuning Protocol for Service Discovery in Internet of Things (2015)
Presentation / Conference Contribution
Qasem, M., Al-Dubai, A., Imed, R., & Yassien, M. B. (2015). ATP: Adaptive Tuning Protocol for Service Discovery in Internet of Things. In ICEMIS '15 Proceedings of the The International Conference on Engineering & MIS 2015. https://doi.org/10.1145/283298

Energy is a precious resource in Internet of Things (IoT) especially with battery operated nodes, the overhead that consumes the battery power of the sensor nodes is a fundamental problem. This overhead is mainly caused by the frequent update message... Read More about ATP: Adaptive Tuning Protocol for Service Discovery in Internet of Things.

A load-balancing cluster based protocol for Wireless Sensor Networks. (2015)
Presentation / Conference Contribution
Eshaftri, M., Al-Dubai, A., Romdhani, I., & Yassien, M. B. (2015, September). A load-balancing cluster based protocol for Wireless Sensor Networks. Paper presented at 4th International Conference on Wireless Sensor Networks (WSN'15)

A new adaptive probabilistic broadcast protocol for vehicular networks (2015)
Presentation / Conference Contribution
Al-Dubai, A. Y., Khalaf, M. B., Gharibi, W., & Ouenniche, J. (2015). A new adaptive probabilistic broadcast protocol for vehicular networks. In 2015 IEEE 81st Vehicular Technology Conference (VTC Spring 2015) (4 Vols) (2875-2879). https://doi.org/10.1109

In VANETs, there are many applications that use broadcast communication as a fundamental operational tool, in disseminating information of interest to other road users under the umbrella of both safety and entertainment applications. Recently, the pr... Read More about A new adaptive probabilistic broadcast protocol for vehicular networks.

Stable Infrastructure-based routing for Intelligent transportation systems (2015)
Presentation / Conference Contribution
Al-Kubati, G., Al-Dubai, A., Mackenzie, L., & Pezaros, D. P. (2015, June). Stable Infrastructure-based routing for Intelligent transportation systems. Presented at 2015 IEEE International Conference on Communications (ICC), London, UK

Intelligent Transportation Systems (ITSs) have been instrumental in reshaping transportation towards safer roads, seamless logistics, and digital business-oriented services under the umbrella of smart city platforms. Undoubtedly, ITS applications wil... Read More about Stable Infrastructure-based routing for Intelligent transportation systems.

A novel situation specific network security for Wireless Sensor Networks (2015)
Journal Article
Al-Rousan, M., Bani Yassein, M., Al-Dubai, A., Ghaleb, B., & Mahmoud, I. (2015). A novel situation specific network security for Wireless Sensor Networks. Sensors & transducers, 186(3), 33-42

Researchers have come up with many high level security protocols and key management algorithms that can be applied for different types of networks. The main characteristics of wireless sensor networks that are limited computation and power made it di... Read More about A novel situation specific network security for Wireless Sensor Networks.

New efficient velocity-aware probabilistic route discovery schemes for high mobility Ad hoc networks (2015)
Journal Article
Bani Khalaf, M., Al-Dubai, A. Y., & Min, G. (2015). New efficient velocity-aware probabilistic route discovery schemes for high mobility Ad hoc networks. Journal of Computer and System Sciences, 81(1), 97-109. https://doi.org/10.1016/j.jcss.2014.06.014

Most existing route discovery schemes in MANETs are based on probabilistic models by which MANETs usually deploy broadcast mechanisms to discover routes between nodes. This is implemented by flooding the network with routing requests (RREQ) packets w... Read More about New efficient velocity-aware probabilistic route discovery schemes for high mobility Ad hoc networks.

QoS-aware Inter-domain multicast for scalable wireless community networks (2014)
Journal Article
Al-Dubai, A. Y., Zhao, L., Zomaya, A. Y., & Min, G. (2014). QoS-aware Inter-domain multicast for scalable wireless community networks. IEEE Transactions on Parallel and Distributed Systems, 26(11), 3136-3148. https://doi.org/10.1109/TPDS.2014.2365190

Wireless Community Networks (WCNs) have emerged as a cost-effective ubiquitous broadband connectivity solution, offering a wide range of services in a given geographical area. QoS-aware multicast over WCNs is among the most challenging issues and has... Read More about QoS-aware Inter-domain multicast for scalable wireless community networks.

An aspect oriented model for software energy efficiency in decentralised servers. (2014)
Presentation / Conference Contribution
Chinenyeze, S., Liu, X., & Al-Dubai, A. (2014). An aspect oriented model for software energy efficiency in decentralised servers. In ict4s-14. https://doi.org/10.2991/ict4s-14.2014.14

Green software is currently gaining interests with the increasing impact of IT in energy consumption. Green-ness in software however, can be achieved at various stages of the Software Development Life Cycle (SDLC). Consequently, several software engi... Read More about An aspect oriented model for software energy efficiency in decentralised servers..

Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks. (2014)
Presentation / Conference Contribution
Eshaftri, M., Essa, A., Qasem, M., Romdhani, I., & Al-Dubai, A. (2014, June). Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks. Paper presented at International Conference on Networking, Distributed Systems and Applications : IN

Wireless sensor networks (WSNs) have recently become an integral part of a wide range of systems such as surveillance, target tracking, security and health management systems. WSNs deploy a large number of sensor nodes that cooperate to... Read More about Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks..

Efficient road topology based broadcast protocol for VANETs (2014)
Presentation / Conference Contribution
Al-Kubati, G., Al-Dubai, A., Mackenzie, L., & Pezaros, D. (2014). Efficient road topology based broadcast protocol for VANETs. In 2014 IEEE Wireless Communications and Networking Conference (WCNC). https://doi.org/10.1109/WCNC.2014.6952857

Intelligent Transportation Systems have been instrumental in reshaping transportation towards safer roads, seamless logistics, and digital business-oriented services under the umbrella of smart city platforms. Broadcasting transmission is an essentia... Read More about Efficient road topology based broadcast protocol for VANETs.

Fast and reliable hybrid routing for vehicular ad hoc networks. (2013)
Presentation / Conference Contribution
Al-Kubati, G., Al-Dubai, A., Mackenzie, L., & Pezaros, D. (2013). Fast and reliable hybrid routing for vehicular ad hoc networks. In 13th International Conference on ITS Telecommunications (ITST) (20-25). https://doi.org/10.1109/ITST.2013.6685515

Intelligent Transportation Systems (ITSs) have been attracting tremendous attention in both academia and industry due to emerging applications that pave the way towards safer enjoyable journeys and inclusive digital partnerships. Undoubtedly, these I... Read More about Fast and reliable hybrid routing for vehicular ad hoc networks..

A new analytical model for multi-hop cognitive radio networks (2012)
Journal Article
Wu, Y., Min, G., & Al-Dubai, A. (2012). A new analytical model for multi-hop cognitive radio networks. IEEE Transactions on Wireless Communications, 11, 1643-1648. https://doi.org/10.1109/TWC.2012.030812.111106

The cognitive radio (CR) is an emerging technique for increasing the utilisation of communication resources by allowing the unlicensed users to employ the under-utilised spectrum. In this paper, a new analytical performance model is developed to eval... Read More about A new analytical model for multi-hop cognitive radio networks.

Performance modelling and analysis of cognitive mesh networks (2012)
Journal Article
Min, G., Wu, Y., & Al-Dubai, A. (2012). Performance modelling and analysis of cognitive mesh networks. IEEE Transactions on Communications, 60, 1474-1478. https://doi.org/10.1109/TCOMM.2012.041212.110075A

A new analytical model is proposed to investigate the delay and throughput in cognitive mesh networks. The validity of the model is demonstrated via extensive simulation experiments. The model is then used to evaluate the effects of the number of lic... Read More about Performance modelling and analysis of cognitive mesh networks.

New Velocity-Aware Probabilistic route discovery schemes for Mobile Ad hoc Networks. (2012)
Presentation / Conference Contribution
Bani Khalaf, M., Al-Dubai, A., & Abed, M. (2012). New Velocity-Aware Probabilistic route discovery schemes for Mobile Ad hoc Networks. In IEEE 20th Int. Conference on Software, Telecommunications and Computer Networks-(SoftCOM 2012) (1-6)

In this paper, we investigate efficient strategies for supporting velocity aware probabilistic route discovery in Mobile Ad hoc Networks (MANETs). MANETs usually use broadcast mechanisms to discover routes between nodes by flooding the network with R... Read More about New Velocity-Aware Probabilistic route discovery schemes for Mobile Ad hoc Networks..

Experimental investigation of link layer adaptation in IEEE 802.11n WLANs (2012)
Presentation / Conference Contribution
Al-Adhami, M., Al-Dubai, A. Y., & Romdhani, I. (2012). Experimental investigation of link layer adaptation in IEEE 802.11n WLANs. In 11th IEEE International Wireless Telecommunications Symposium (1-7). https://doi.org/10.1109/wts.2012.6266144

Due to its low cost wireless communication methodology and improvements in both its physical (PHY) and MAC (Link) layers, the IEEE 802.11n wireless LAN (WLAN) technology has been adopted widely. However, fairness of current 802.11n rate adaptation (R... Read More about Experimental investigation of link layer adaptation in IEEE 802.11n WLANs.

A new efficient distributed route discovery for wireless mobile ad hoc networks. (2012)
Presentation / Conference Contribution
Bani Khalaf, M., Al-Dubai, A., & Buchanan, W. J. (2012). A new efficient distributed route discovery for wireless mobile ad hoc networks. In Wireless Telecommunications Symposium (WTS), 2012 (1-6). https://doi.org/10.1109/WTS.2012.6266129

High performance group communication, such as broadcast, requires matching efficient broadcast algorithms to effective route discovery approach. Broadcast communication in MANETs is essential for a wide range of important applications. Nevertheless,... Read More about A new efficient distributed route discovery for wireless mobile ad hoc networks..

Routing metrics for wireless mesh networks: a survey (2012)
Book Chapter
Zhao, L., & Al-Dubai, A. (2012). Routing metrics for wireless mesh networks: a survey. In Recent Advances in Computer Science and Information Engineering (311-316). (127). Springer. https://doi.org/10.1007/978-3-642-25769-8_45

Wireless Mesh Network (WMN) is a key emerging technology to construct next generation wireless multi-hop network. It combines the advantages of both mobile ad-hoc network (MANET) and traditional fixed network, attracting significant industrial and ac... Read More about Routing metrics for wireless mesh networks: a survey.

A new dynamic counter-based broadcasting scheme for mobile ad hoc networks. (2011)
Journal Article
Yassein, M. B., Nimer, S. F., & Al-Dubai, A. (2011). A new dynamic counter-based broadcasting scheme for mobile ad hoc networks. Simulation Modelling Practice and Theory, 19, 553-563. https://doi.org/10.1016/j.simpat.2010.08.011

Broadcasting is an essential operation in Mobile Ad hoc Networks (MANETs) to transmit a message (data packet) from the sender to the rest of the network nodes. Although flooding is the simplest mechanism for broadcasting, where each node retransmits... Read More about A new dynamic counter-based broadcasting scheme for mobile ad hoc networks..

A new adaptive broadcasting approach for mobile ad hoc networks (2010)
Presentation / Conference Contribution
Bani Khalaf, M., Al-Dubai, A., & Buchanan, W. J. (2010). A new adaptive broadcasting approach for mobile ad hoc networks. In Proceedings of 2010 6th Conference on Wireless Advanced (WiAD) (1-6). https://doi.org/10.1109/WIAD.2010.5544944

Mobile ad hoc networks (MANETs) have been gaining tremendous attention owing to the advances in wireless technologies accompanied by many applications and implementations. However, there are still a number of issues in MANETs which require further in... Read More about A new adaptive broadcasting approach for mobile ad hoc networks.

The effects of network density of a new counter-based broadcasting scheme in mobile ad hoc networks. (2010)
Presentation / Conference Contribution
Yassein, M. B., Nimer, S. F., & Al-Dubai, A. (2010). The effects of network density of a new counter-based broadcasting scheme in mobile ad hoc networks. In Proceedings of ITA 2010 (1462-1467). https://doi.org/10.1109/CIT.2010.261

Broadcasting is an essential operation in mobile ad hoc networks (MANETs) to transmit the message (data packet) from the sender to all other nodes in the network. Flooding is the simplest mechanism for broadcast operations, where each node retransmit... Read More about The effects of network density of a new counter-based broadcasting scheme in mobile ad hoc networks..

An efficient neighbourhood load routing metric for wireless mesh networks (2010)
Journal Article
Zhao, L., Al-Dubai, A., & Min, G. (2011). An efficient neighbourhood load routing metric for wireless mesh networks. Simulation Modelling Practice and Theory, 19, 1415-1426. https://doi.org/10.1016/j.simpat.2010.10.009

The Wireless Mesh Network (WMN) is a highly capable technology that can offer low-cost and easy-deployable network connectivity to both small-size community networks and large-scale metropolitan networks. As a key emerging technology to provide the n... Read More about An efficient neighbourhood load routing metric for wireless mesh networks.

Novel QoS-Aware Gateway Centralized Multi-hop Routing for Wireless Mesh Networks (2010)
Presentation / Conference Contribution
Zhao, L., Al-Dubai, A. Y., & Romdhani, I. (2010). Novel QoS-Aware Gateway Centralized Multi-hop Routing for Wireless Mesh Networks. In 2010 IEEE 10th International Conference on Computer and Information Technology (CIT), (336-342). https://doi.org/10.110

Wireless Mesh Networking (WMN) emerges as a new technology to reshape the broadband industry towards a more efficient and cost effective connectivity. The WMN has been the ideal technology for the next generation wireless community networks that offe... Read More about Novel QoS-Aware Gateway Centralized Multi-hop Routing for Wireless Mesh Networks.

GLBM: A new QoS aware multicast scheme for wireless Mesh network (2010)
Journal Article
Zhao, L., Al-Dubai, A., & Min, G. (2010). GLBM: A new QoS aware multicast scheme for wireless Mesh network. Journal of Systems and Software, 83, 1318-1326. https://doi.org/10.1016/j.jss.2010.01.044

Wireless mesh networks (WMNs) have been attracting significant attention due to their promising technology. The WMN technology is becoming a major avenue for the fourth generation of wireless mobility. Communication in large-scale wireless networks c... Read More about GLBM: A new QoS aware multicast scheme for wireless Mesh network.

Cross layer neighbourhood load routing for wireless mesh networks. (2010)
Presentation / Conference Contribution
Zhao, L., Al-Dubai, A., & Min, G. (2010). Cross layer neighbourhood load routing for wireless mesh networks. In Proceedings of IEEE IPDPS 2010 (1-7). https://doi.org/10.1109/IPDPSW.2010.5470790

Wireless Mesh Network (WMN) has been considered as a key emerging technology to construct next generation wireless communication networks. It combines the advantages of both mobile ad-hoc network (MANET) and traditional fixed network, attracting sign... Read More about Cross layer neighbourhood load routing for wireless mesh networks..

A new probabilistic Linear Exponential Backoff scheme for MANETs (2010)
Presentation / Conference Contribution
Yassein, M. B., Manaseer, S., Al-hassan, A. A., Taye', Z. A., & Al-Dubai, A. Y. (2010, April). A new probabilistic Linear Exponential Backoff scheme for MANETs. Presented at 2010 IEEE International Symposium on Parallel & Distributed Processing, Workshops

Broadcasting is an essential operation in Mobile ad hoc Networks (MANETs) environments. It is used in the initial phase of route discovery process in many reactive protocols. Although broadcasting is simple, it causes the well known broadcast storm p... Read More about A new probabilistic Linear Exponential Backoff scheme for MANETs.

A performance comparison of smart probabilistic broadcasting of ad hoc distance vector (AODV). (2010)
Journal Article
Yassein, M. B., Khalaf, M., & Al-Dubai, A. (2010). A performance comparison of smart probabilistic broadcasting of ad hoc distance vector (AODV). Journal of Supercomputing, https://doi.org/10.1007/s11227-010-0408-0

Broadcast is a common operation used in Mobile Ad hoc Networks (MANETs) for many services, such as, rout discovery and sending an information messages. The direct method to perform broadcast is simple flooding, which it can dramatically affect the... Read More about A performance comparison of smart probabilistic broadcasting of ad hoc distance vector (AODV)..

Tradeoffs between latency, complexity and load balancing with multicast algorithms (2010)
Journal Article
Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2010). Tradeoffs between latency, complexity and load balancing with multicast algorithms. IEEE Transactions on Computers, 59, 159-173. https://doi.org/10.1109/TC.2009.104

The increasing number of collective communication-based services with a mass interest and the parallel increasing demand for service quality are paving the way toward end-to-end QoS guarantees. Although many multicast algorithms in interconnection ne... Read More about Tradeoffs between latency, complexity and load balancing with multicast algorithms.

Security and Routing Scoped IP Multicast Addresses (2009)
Presentation / Conference Contribution
Romdhani, I., Al-Dubai, A., & Kellil, M. (2009). Security and Routing Scoped IP Multicast Addresses. In International Conference on Parallel Processing Workshops, 2009. ICPPW '09 (228-235). https://doi.org/10.1109/icppw.2009.81

IP multicast is an efficient and scalable network layer delivering method for multimedia content to a large number of receivers across the Internet. It saves the network bandwidth and optimizes the processing overhead of the source. However, current... Read More about Security and Routing Scoped IP Multicast Addresses.

A performance model for integrated wireless mesh networks and WLANs with heterogeneous stations. (2009)
Presentation / Conference Contribution
Wu, Y., Min, G., Li, K., & Al-Dubai, A. (2009). A performance model for integrated wireless mesh networks and WLANs with heterogeneous stations. In GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference (1-6). https://doi.org/10.1109/GLOCOM.2009.

The increasing demand for the coverage of high-speed wireless local area networks (WLANs) is driving the installation of a very large number of access points. Wireless mesh networks (WMNs) have emerged as a promising technology in next generation net... Read More about A performance model for integrated wireless mesh networks and WLANs with heterogeneous stations..

Performance modelling and optimazation of integrated wireless LANs and multi-hop Mesh networks (2009)
Journal Article
Min, G., Wu, Y., Li, K., & Al-Dubai, A. (2009). Performance modelling and optimazation of integrated wireless LANs and multi-hop Mesh networks. International Journal of Communication Systems, 23, 1111-1126. https://doi.org/10.1002/dac.1074

The increasing demand for the coverage of high-speed wireless local area networks (WLANs) is driving the installation of a very large number of access points (APs). Wireless mesh networks (WMNs) have emerged as a promising technology in the next gene... Read More about Performance modelling and optimazation of integrated wireless LANs and multi-hop Mesh networks.

Integrated many-to-many multicast addressing and access control method (2009)
Presentation / Conference Contribution
Romdhani, I., & Yassin Al-Dubai, A. (2009, July). Integrated many-to-many multicast addressing and access control method. Presented at 2009 IEEE Symposium on Computers and Communications, Sousse, Tunisia

IP multicast is an efficient method for distributing multimedia content to a large number of receivers while saving the network bandwidth and reducing processing overhead on the source side. However, current IP multicast deployment figure is still fa... Read More about Integrated many-to-many multicast addressing and access control method.

Towards QoS aware collective communications: from theory to practice: design & analysis of highly parallel multicast & broadcast algorithms. (2008)
Book
Al-Dubai, A. (2008). Towards QoS aware collective communications: from theory to practice: design & analysis of highly parallel multicast & broadcast algorithms. German Publishing House, VDM Verlag

Inter-processor communication in interconnectionnetworks can create bottlenecks for scalable parallelimplementations of computationally intensiveapplications. Multicast and broadcast are generallythe most fundamental communication operationsrequired... Read More about Towards QoS aware collective communications: from theory to practice: design & analysis of highly parallel multicast & broadcast algorithms..

A multi-channel hybrid MAC protocol for wireless Mesh networks. (2008)
Presentation / Conference Contribution
Romdhani, I., & Al-Dubai, A. (2008). A multi-channel hybrid MAC protocol for wireless Mesh networks. In Proceedings of the IEEE 8th International Symposium on Computer Networks (ISCN?08), Istanbul, Turkey

A new multicast algorithm for wireless mesh networks. (2008)
Presentation / Conference Contribution
Zhao, L., Al-Dubai, A., & Liu, X. (2008). A new multicast algorithm for wireless mesh networks. In 9th Annual Postgraduate Symposium, The Convergence of Telecommunications, Networking and Broadcasting

Wireless mesh networks, also known as “community wireless networks”, have been attracting much attention due to its promising technology. It is becoming a major avenue for the fourth generation of wireless mobility. This is due to the revaluation of... Read More about A new multicast algorithm for wireless mesh networks..

The impact of routing schemes on group communication throughput in scalable networks. (2008)
Presentation / Conference Contribution
Al-Dubai, A. (2008). The impact of routing schemes on group communication throughput in scalable networks. In Proceedings of the 2008 IEEE international parallel & distributed processing symposium (1-8). https://doi.org/10.1109/IPDPS.2008.4536490

Multicast communication has been a major avenue for many studies in interconnection networks. However, such a communication pattern has been studied under either limited operating conditions or within the context of deterministic routing algorithms.... Read More about The impact of routing schemes on group communication throughput in scalable networks..

Design and Analysis of Multicast Communication in Multidimensional Mesh Networks (2007)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Romdhani, I. (2007). Design and Analysis of Multicast Communication in Multidimensional Mesh Networks. In I. Stojmenovic, R. Thulasiram, L. Yang, W. Jia, M. Guo, & R. de Mello (Eds.), Parallel and Distributed Processing an

This paper addresses the issue of multicast communication in scalable interconnection networks, using path-based scheme. Most existing multicast algorithms either assume a fixed network size, low dimensional networks or only consider the latency at... Read More about Design and Analysis of Multicast Communication in Multidimensional Mesh Networks.

On The Design of High Throughput Adaptive Multicast Communication (2007)
Presentation / Conference Contribution
Al-Dubai, A. Y., & Romdhani, I. (2007). On The Design of High Throughput Adaptive Multicast Communication. In Proceedings of the 6th International Symposium on Parallel and Distributed Computing (ISPDC-2007) (37-38). https://doi.org/10.1109/ispdc.2007.39

The efficient and high throughput multicast communication in interconnection networks is known as a fundamental but hard problem. In the literature, most of the related works handle multicast communication within limited operating conditions and low... Read More about On The Design of High Throughput Adaptive Multicast Communication.

Mobile IP conditional binding update. (2007)
Presentation / Conference Contribution
Romdhani, I., & Al-Dubai, A. (2007). Mobile IP conditional binding update. In 1st IEEE Workshop on Autonomic Communication and Network Management ACNM-2007, 10th IFIP/IEEE Symposium on Integrated Management (64-70)

Mobile IP protocols use a correspondent registration procedure between a Mobile Node (MN) and its Correspondent Nodes (CNs) to maintain a valid and up-to-date binding association between MN’s home address and its current care-ofaddress whenever a han... Read More about Mobile IP conditional binding update..

Performance of deterministic and adaptive broadcast algorithms in multicomputer networks (2006)
Journal Article
Al-Dubai, A. (2006). Performance of deterministic and adaptive broadcast algorithms in multicomputer networks. International Journal of High Performance Computing and Networking, 4, 152-160. https://doi.org/10.1504/IJHPCN.2006.010637

This paper examines the performance of broadcast communication on multicomputer networks. Unlike many existing works, this study considers a number of key factors/prosperities, including scalability, parallelism and routing scheme that could greatly... Read More about Performance of deterministic and adaptive broadcast algorithms in multicomputer networks.

A Performance Study of Path Based Multicast Communication Algorithms (2006)
Presentation / Conference Contribution
Al-Dubai, A., & Romdhani, I. (2006). A Performance Study of Path Based Multicast Communication Algorithms. In International Symposium on Parallel Computing in Electrical Engineering (PARELEC 2006) (245-250). https://doi.org/10.1109/parelec.2006.7

Multicast communication?s history has been driven by many schemes; however, a few have shown their efficiency on interconnection networks. Among these schemes, path based multicast has been proven to be more efficient in handling multicast, than thos... Read More about A Performance Study of Path Based Multicast Communication Algorithms.

On High Performance Multicast Algorithms for Interconnection Networks (2006)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Romdhani, I. (2006). On High Performance Multicast Algorithms for Interconnection Networks. In M. Gerndt, & D. Kranzlmüller (Eds.), High Performance Computing and Communications; Lecture Notes in Computer Science (330-339

Although multicast communication, in interconnection networks has been a major avenue for a lot of research works found in literature, there are several key issues that should still be improved in order to meet the increasing demand for service quali... Read More about On High Performance Multicast Algorithms for Interconnection Networks.

On balancing network traffic in path-based multicast communication (2006)
Journal Article
Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2006). On balancing network traffic in path-based multicast communication. Future Generation Computer Systems, 22(7), 805-811. https://doi.org/10.1016/j.future.2006.02.009

This paper presents a new multicast path-based algorithm, referred to here as the Qualified Groups (QG for short), which can achieve a high degree of parallelism and low communication latency over a wide range of traffic loads in the mesh. The QG al... Read More about On balancing network traffic in path-based multicast communication.

A plane-based broadcast algorithm for multicomputer networks (2005)
Journal Article
Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2005). A plane-based broadcast algorithm for multicomputer networks. Journal of Systems Architecture, 51(10-11), 617-632. https://doi.org/10.1016/j.sysarc.2005.01.003

Maximising the performance of parallel systems requires matching message-passing algorithms and application characteristics with a suitable underling interconnection network. Broadcast algorithms for wormhole-switched meshes have been widely reported... Read More about A plane-based broadcast algorithm for multicomputer networks.

On the performance of broadcast algorithms in interconnection networks. (2005)
Presentation / Conference Contribution
Al-Dubai, A., & Ould-Khaoua, M. (2005). On the performance of broadcast algorithms in interconnection networks. . https://doi.org/10.1109/ICPPW.2005.63

Broadcast Communication is among the most primitive collective capabilities of any message passing network. Broadcast algorithms for the mesh have been widely reported in the literature. However, most existing algorithms have been studied within limi... Read More about On the performance of broadcast algorithms in interconnection networks..

Towards scalable collective communication for multicomputer interconnection networks (2004)
Journal Article
Al-Dubai, A., Ould-Khaoua, M., El-Zayyat, K., Ababneh, I., & Al-Dobai, S. (2004). Towards scalable collective communication for multicomputer interconnection networks. Information Sciences, 163(4), 293-306. https://doi.org/10.1016/j.ins.2003.06.014

A considerable number of broadcast algorithms have been proposed for the mesh over the past decade. Nonetheless, most of these algorithms do not exhibit good scalability properties as the network size increases. As a consequence, most existing broadc... Read More about Towards scalable collective communication for multicomputer interconnection networks.

QoS aware broadcast communication algorithm for multicomputer interconnections. (2004)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Ferguson, J. (2004). QoS aware broadcast communication algorithm for multicomputer interconnections.

Focuses on group communication algorithms in high performance networks, parallel and distributed systems, quality of service and routing protocols, mobile and wireless Technologies

A Simulation Study of Scalable Broadcast in High-Performance Regular Networks (2004)
Journal Article
Al-Dubai, A. Y., Ould-Khaoua, M., & Obaidat, M. S. (2004). A Simulation Study of Scalable Broadcast in High-Performance Regular Networks. SIMULATION, 80(4-5), 207-220. https://doi.org/10.1177/0037549704044325

Broadcast is an important communication operation required by many real-world applications encountered in parallel, cluster, and grid computing environments. Broadcasting on regular networks has been widely investigated in the past. However, most of... Read More about A Simulation Study of Scalable Broadcast in High-Performance Regular Networks.

On balancing traffic load in path-based multicast communication. (2003)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., El-Zayyat, K., & Mackenzie, L. (2003). On balancing traffic load in path-based multicast communication. In SPECTS '03 (533-540)

Multicast is the most primitive collective capability of any message-passing network. It is itself central to many important parallel applications in Science and Engineering but are also fundamental to the implementation of higher-level communica... Read More about On balancing traffic load in path-based multicast communication..

An efficient path-based multicast algorithm for mesh networks (2003)
Presentation / Conference Contribution
Mackenzie, L., Ould-Khaoua, M., Al-Dubai, Y., Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2003, April). An efficient path-based multicast algorithm for mesh networks. Presented at International Parallel and Distributed Processing Symposium, Nice, Fra

This paper presents a new multicast path-based algorithm, referred to here as the qualified groups (QG for short), which can achieve a high degree of parallelism and low communication latency over a wide range of traffic loads in the mesh. The QG alg... Read More about An efficient path-based multicast algorithm for mesh networks.

A scalable plane-based broadcast algorithm for 3D-Mesh networks (2003)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2003, February). A scalable plane-based broadcast algorithm for 3D-Mesh networks. Presented at Eleventh Euromicro Conference on Parallel, Distributed and Network-Based Processing, 2003. Proceedings

Broadcast algorithms for wormhole–switched meshes have been widely reported in the literature. However, most of these algorithms handle broadcast in a sequential manner and do not scale well with the network size. As a consequence, many parallel... Read More about A scalable plane-based broadcast algorithm for 3D-Mesh networks.

A new scalable broadcast algorithm for multiport meshes with minimum communication steps (2003)
Journal Article
Ould-Khaoua, M., Al-Dubai, A., Al-Dubai, A., & Ould-Khaoua, M. (2003). A new scalable broadcast algorithm for multiport meshes with minimum communication steps. Microprocessors and Microsystems, 27(3), 101-113. https://doi.org/10.1016/s0141-9331%2802%2900

Many broadcast algorithms have been proposed for the mesh in the literature. However, most of these algorithms do not exhibit good scalability properties as the network size increases. As a consequence, most existing broadcast algorithms cannot suppo... Read More about A new scalable broadcast algorithm for multiport meshes with minimum communication steps.

A scalable broadcast algorithm for multiport meshes with minimum communication steps (2003)
Presentation / Conference Contribution
Al-Dubai, A., & Ould-Khaoua, M. (2002, December). A scalable broadcast algorithm for multiport meshes with minimum communication steps. Presented at Ninth International Conference on Parallel and Distributed Systems, 2002. Proceedings., Taiwan, China

Many broadcast algorithms have been proposed for the mesh over the past decade. However, most of these algorithms do not exhibit good scalability properties as the network size increases. As a consequence, most existing broadcast algorithms cannot su... Read More about A scalable broadcast algorithm for multiport meshes with minimum communication steps.

Towards a scalable broadcast in wormhole-switched mesh networks (2002)
Presentation / Conference Contribution
Al-Dubai, A. Y., Ould-Khaoua, M., & Mackenzie, L. M. (2002). Towards a scalable broadcast in wormhole-switched mesh networks. In Proceedings of the 2002 ACM symposium on Applied computing (840-844). https://doi.org/10.1145/508791.508955

Broadcast algorithms for wormhole--switched meshes have been widely reported in the literature. However, most of these algorithms handle broadcast in a sequential manner and do not scale well with the network size. As a consequence, many parallel ap... Read More about Towards a scalable broadcast in wormhole-switched mesh networks.

On the design of scalable pipelined broadcasting for mesh networks (2002)
Presentation / Conference Contribution
Al-Dubai, A., & Ould-Khaoua, M. (2002). On the design of scalable pipelined broadcasting for mesh networks. In High Performance Computing Systems and Applications (98-105). https://doi.org/10.1109/HPCSA.2002.1019140

Minimising the communication latency and achieving considerable scalability are of paramount importance when designing high performance broadcast algorithms. Many algorithms for wormhole-switched meshes have been widely reported in the literature. Ho... Read More about On the design of scalable pipelined broadcasting for mesh networks.

Coded path routing: a new approach to broadcasting in 3-D meshes, Technical Report (2002)
Presentation / Conference Contribution
Al-Dubai, A., & Ould-Khaoua, M. (2001, April). Coded path routing: a new approach to broadcasting in 3-D meshes, Technical Report. Presented at 20th IEEE International Performance, Computing, and Communications Conference, Phoenix, AZ, USA

Broadcast is an important collective communication operation required by many real-world parallel applications. This paper proposes the Coded Path Routing (or CPR for short) as a new approach for designing efficient broadcast algorithms for wormhole-... Read More about Coded path routing: a new approach to broadcasting in 3-D meshes, Technical Report.

An efficient adaptive broadcast algorithm for the mesh network (2001)
Presentation / Conference Contribution
Al-Dubai, A., & Ould-Khaoua, M. (2001). An efficient adaptive broadcast algorithm for the mesh network. In Eighth International Conference on Parallel and Distributed Systems (ICPADS'01) (83-90). https://doi.org/10.1109/ICPADS.2001.934805

Most existing broadcast algorithms proposed for the mesh do not scale well with the network size. Furthermore, they have been mainly based on deterministic routing, which cannot exploit the alternative paths provided by mesh topology to reduce commun... Read More about An efficient adaptive broadcast algorithm for the mesh network.

Towards optimal broadcasting in wormhole-routed meshes (2001)
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Mackenzie, L. (2001). Towards optimal broadcasting in wormhole-routed meshes. In H. R. Arabnia (Ed.), Proceedings of the international conference on parallel and distributed processing techniques and applications : PDPTA'

Most existing broadcast algorithms proposed for the mesh do not scale well with the network size. Furthermore, they have been mainly based on deterministic routing, which cannot exploit the alternative paths provided by mesh topology to reduce commun... Read More about Towards optimal broadcasting in wormhole-routed meshes.