Outputs (74)

A new Zigbee-based device for measuring visual reaction time in sport activities (2018)
Presentation / Conference Contribution
Ali, B. B., Dugas, É., Naceur, A., & Romdhani, I. (2017, May). A new Zigbee-based device for measuring visual reaction time in sport activities. Presented at 2017 International Conference on Engineering & MIS (ICEMIS)

There is a growing demand for smart tools and devices that measure visual reaction time during sports and physical activities in outdoor environments. However, one of the major problems is the need to maintain an on-time 1 pulse per second (pps) refe... Read More about A new Zigbee-based device for measuring visual reaction time in sport activities.

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.

Reliable multipath multi-channel route migration over multi link-failure in wireless ad hoc networks (2017)
Presentation / Conference Contribution
Mirza, N. S., King, P. J. B., Romdhani, I., Abdelshafy, M. A., & Alghamdi, A. A. (2017, October). Reliable multipath multi-channel route migration over multi link-failure in wireless ad hoc networks. Presented at 2017 IEEE 13th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)

The route recovery algorithm is a crucial part of an ad hoc routing protocol. Designing an efficient and fast route recovery mechanism scheme without incurring extra overheads or delays to repair the broken link is a desirable goal for any routing pr... Read More about Reliable multipath multi-channel route migration over multi link-failure in wireless ad hoc 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, May). A New Weight based Rotating Clustering Scheme for WSNs. Presented at 2017 International Symposium on Networks, Computers and Communications (ISNCC)

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.

Performance Evaluation of RPL Protocol under Mobile Sybil Attacks (2017)
Presentation / Conference Contribution
Medjek, F., Tandjaoui, D., Romdhani, I., & Djedjig, N. (2017, August). Performance Evaluation of RPL Protocol under Mobile Sybil Attacks. Presented at 2017 IEEE Trustcom/BigDataSE/ICESS

In Sybil attacks, a physical adversary takes multiple fabricated or stolen identities to maliciously manipulate the network. These attacks are very harmful for the Internet of Things (IoT) applications. In this paper we implemented and evaluated the... Read More about Performance Evaluation of RPL Protocol under Mobile Sybil Attacks.

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, 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.

Trust-Based Defence Model Against MAC Unfairness Attacks for IoT (2017)
Presentation / Conference Contribution
Djedjig, N., Tandjaoui, D., Romdhani, I., & Medjek, F. (2017, July). Trust-Based Defence Model Against MAC Unfairness Attacks for IoT. Presented at The Thirteenth International Conference on Wireless and Mobile Communications

The vulnerability of IoT networks makes channel access security a serious problem. The IEEE 802.15.4 MAC (Media Access Control) layer faces the risk of attacks from malicious nodes which attempts to get a dominating position and hold unfair advantage... Read More about Trust-Based Defence Model Against MAC Unfairness Attacks for IoT.

Performance evaluation of RPL metrics in environments with strained transmission ranges. (2017)
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..

New trust metric for the RPL routing protocol (2017)
Presentation / Conference Contribution
Romdhani, I., Djedjig, N., Medjek, F., & Tandjaoui, D. (2017, April). New trust metric for the RPL routing protocol. Presented at 2017 8th International Conference on Information and Communication Systems (ICICS)

Establishing trust relationships between routing nodes represents a vital security requirement to establish reliable routing processes that exclude infected or selfish nodes. In this paper, we propose a new security scheme for the Internet of things... Read More about New trust metric for the RPL routing protocol.

Reliability and energy efficiency enhancement in wireless body area networks for e-health (2017)
Presentation / Conference Contribution
Salayma, M., Al-Dubai, A., & Romdhani, I. (2016, November). Reliability and energy efficiency enhancement in wireless body area networks for e-health. Presented at 2016 19th Conference of Open Innovations Association (FRUCT), Jyväskylä, Finland

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.

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.

Securing the Internet of Things (2017)
Book
Romdhani, I. (2017). S. Li, & L. Da Xu (Eds.), Securing the Internet of Things. Elsevier

Key Features

Helps researchers and practitioners understand the security architecture in IoT and the state-of-the-art in IoT security countermeasures
Explores how the threats in IoT are different from traditional ad hoc or infrastructural network... Read More about Securing the Internet of Things.

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 Architectures, Security, and Applications (317-335). Springer

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..

3LS-authenticate: an e-commerce challenge-response mobile application. (2016)
Presentation / Conference Contribution
Molla, R., Romdhani, I., & Buchanan, B. (2016, November). 3LS-authenticate: an e-commerce challenge-response mobile application. Paper presented at 13th ACS/IEEE International Conference on Computer Systems and Applications AICCSA 2016

The rapid growth of e-commerce has been associated with a number of security concerns, which challenge its continual success. In view of this, an investigative study determining the most secure and convenient solution to protect online clients has be... Read More about 3LS-authenticate: an e-commerce challenge-response mobile application..

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, November). Weight Driven Cluster Head Rotation for Wireless Sensor Networks. Presented at Proceedings of the 14th International Conference on Advances in Mobile Computing and Multi Media - MoMM '16, Singapore

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.

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.

Distributed and compressed MIKEY mode to secure end-to-end communications in the Internet of things (2016)
Presentation / Conference Contribution
Abdmeziem, R., Tandjaoui, D., & Romdhani, I. (2016, June). Distributed and compressed MIKEY mode to secure end-to-end communications in the Internet of things. Presented at 5th IEEE International Conference on Mobile Services, San Francisco, USA

Multimedia Internet KEYing protocol (MIKEY) aims at establishing secure credentials between two communicating entities. However, existing MIKEY modes fail to meet the requirements of low-power and low-processing devices. To address this issue, we com... Read More about Distributed and compressed MIKEY mode to secure end-to-end communications in the Internet of things.

A new distributed MIKEY mode to secure e-health applications. (2016)
Presentation / Conference Contribution
Abdmeziem, M. R., Tandjaoui, D., & Romdhani, I. (2016, April). A new distributed MIKEY mode to secure e-health applications. Presented at International Conference on Internet of Things and Big Data (IoTBD 2016)

Securing e-health applications in the context of Internet of Things (IoT) is challenging. Indeed, resources scarcity in such environment hinders the implementation of existing standard based protocols. Among these protocols, MIKEY (Multimedia Interne... Read More about A new distributed MIKEY mode to secure e-health applications..

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; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing

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.