Prof Ahmed Al-Dubai's Outputs (169)

A new efficient objective function for routing in Internet of Things paradigm
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.

A new enhanced RPL based routing for Internet of Things
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.

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

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.

Trickle-Plus: Elastic Trickle algorithm for Low-power networks and Internet of Things
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.

E-Trickle: Enhanced Trickle Algorithm for Low-Power and Lossy Networks
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 Communications

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.

Simultaneous context inference and mapping using mm-Wave for indoor scenarios
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.

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

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..

A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data
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 (COINS), Barcelona, Spain

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.

Performance Investigation of RPL Routing in Pipeline Monitoring WSNs
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 International Conference on Smart City; IEEE 4th International Conference on Data Science and Systems (HPCC/SmartCity/DSS), Exeter, United Kingdom

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.

A temporal-information-based adaptive routing algorithm for software defined vehicular networks
Presentation / Conference Contribution
Zhao, L., Li, Z., Li, J., Al-Dubai, A., Min, G., & Zomaya, A. Y. (2019, May). A temporal-information-based adaptive routing algorithm for software defined vehicular networks. Presented at IEEE International Conference on Communications (ICC): Ad Hoc and Sensor Networks Symposium, Shanghai, China

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
Presentation / Conference Contribution
Zhoa, L., Zhao, W., Gong, C., Al-Dubai, A., & Min, G. (2019, May). A novel adaptive routing and switching scheme for software-defined vehicular Networks. Presented at IEEE International Conference on Communications, Shanghai, China

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 new security approach for the spectrum access in vehicular networks
Presentation / Conference Contribution
Alsarhan, A., Al-Dubai, A., Kilani, Y., & Alkhalidy, M. (2019, February). A new security approach for the spectrum access in vehicular networks. Presented at ICDS 2019 : The Thirteenth International Conference on Digital Society and eGovernments, Athens, Greece

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 3D Smooth Random Walk Mobility Model for FANETs
Presentation / Conference Contribution
Lin, N., Gao, F., Zhao, L., Al-Dubai, A., & Tan, Z. (2019, August). A 3D Smooth Random Walk Mobility Model for FANETs. Presented at The 21 IEEE High Performance Computing and Communications (HPCC), Zhangjiajie, Hunan, China

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
Presentation / Conference Contribution
Zhao, L., Liu, Y., Al-Dubai, A., Tan, Z., Min, G., & Xu, L. (2019, August). A Learning-based Vehicle-Trajectory Generation Method for Vehicular Networking. Presented at The 21st IEEE International Conference on High Performance Computing and Communications, Zhangjiajie, Hunan, China

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.

Mobility Aware Duty Cycling Algorithm (MADCAL) in Wireless Sensor Network with Mobile Sink Node
Presentation / Conference Contribution
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2019, August). Mobility Aware Duty Cycling Algorithm (MADCAL) in Wireless Sensor Network with Mobile Sink Node. Presented at 2019 IEEE International Conference on Smart Internet of Things, Tianjin, China

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.

A New Mobility Aware Duty Cycling and Dynamic Preambling Algorithm for Wireless Sensor Network
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.

Delegation of Authentication to the Data Plane in Software-Defined Networks
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 Science and Computational Intelligence (DSCI) and Smart Computing, Networking and Services (SmartCNS), Shenyang, China

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.

PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism
Presentation / Conference Contribution
Abubakar, M. A., Jaroucheh, Z., Al-Dubai, A., & Buchanan, B. (2020, November). PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism. Presented at 4th International Conference on Vision, Image and Signal Processing, Newcastle, UK

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.

A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks
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.

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

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.