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Prof Ahmed Al-Dubai's Outputs (169)

A new adaptive probabilistic broadcast protocol for vehicular networks
Presentation / Conference Contribution
Al-Dubai, A. Y., Khalaf, M. B., Gharibi, W., & Ouenniche, J. (2015, May). A new adaptive probabilistic broadcast protocol for vehicular networks. Presented at 2015 IEEE 81st Vehicular Technology Conference: VTC Spring 2015

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
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.

Performance evaluation of RPL objective functions
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 Trends in conjunction with the 14th IEEE International Conference on Ubiquitous Computing and Communications （IUCC 2015), Liverpool, UK

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.

An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks
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 Computing and Multimedia - MoMM 2015

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.

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

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.

Efficient road topology based broadcast protocol for VANETs
Presentation / Conference Contribution
Al-Kubati, G., Al-Dubai, A., Mackenzie, L., & Pezaros, D. (2014, April). Efficient road topology based broadcast protocol for VANETs. Presented at IEEE International Wireless Communications and Networking Conference (WCNC 2014), Istanbul, Turkey

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.

An aspect oriented model for software energy efficiency in decentralised servers.
Presentation / Conference Contribution
Chinenyeze, S., Liu, X., & Al-Dubai, A. (2014, August). An aspect oriented model for software energy efficiency in decentralised servers. Presented at 2nd International Conference on ICT for Sustainability (ICT4S 2014)

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.
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 : INDS 2014, Bejaia, Algeria

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..

Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach
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 Systems

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.

A new probabilistic Linear Exponential Backoff scheme for MANETs
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 and Phd Forum (IPDPSW), Atlanta, USA

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.

Integrated many-to-many multicast addressing and access control method
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.

Design and Analysis of Multicast Communication in Multidimensional Mesh Networks
Presentation / Conference Contribution
Al-Dubai, A., Ould-Khaoua, M., & Romdhani, I. (2007, August). Design and Analysis of Multicast Communication in Multidimensional Mesh Networks. Presented at 5th International Symposium on Parallel and Distributed Processing and Applications (ISPA07), Naigara Falls, Canada

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.

An efficient path-based multicast algorithm for mesh networks
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, France

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 New Weight based Rotating Clustering Scheme for WSNs
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.

Towards a scalable broadcast in wormhole-switched mesh networks
Presentation / Conference Contribution
Al-Dubai, A. Y., Ould-Khaoua, M., & Mackenzie, L. M. (2002, March). Towards a scalable broadcast in wormhole-switched mesh networks. Presented at 2002 ACM symposium on Applied computing - SAC '02, Madrid, Spain

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.

A scalable broadcast algorithm for multiport meshes with minimum communication steps
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.

Coded path routing: a new approach to broadcasting in 3-D meshes, Technical Report
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.

Mobility And Energy Extensions For The IEEE 802.15.4 Standard
Presentation / Conference Contribution
Romdhani, I., Al-Dubai, A. Y., & Guibene, W. (2015, December). Mobility And Energy Extensions For The IEEE 802.15.4 Standard. Presented at Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia - MoMM 2015

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.