All Outputs (102)

Ubiquitous sensor network management: The least interference beaconing model (2013)
Conference Proceeding
Bagula, A., Djenouri, D., & Karbab, E. (2013). Ubiquitous sensor network management: The least interference beaconing model. https://doi.org/10.1109/pimrc.2013.6666538

Network management is revisited in the emerging ubiquitous sensor networks (USNs) that form the Internet-of-the-Things (IoT) with the objective of evaluating the impact of traffic engineering on energy efficiency and assessing if routing simplicity t... Read More about Ubiquitous sensor network management: The least interference beaconing model.

On the relevance of using interference and service differentiation routing in the internet-of-things (2013)
Conference Proceeding
Bagula, A. B., Djenouri, D., & Karbab, E. (2013). On the relevance of using interference and service differentiation routing in the internet-of-things. https://doi.org/10.1007/978-3-642-40316-3_3

Next generation sensor networks are predicted to be deployed in the Internet-of-the-Things (IoT) with a high level of heterogeneity. They will be using sensor motes which are equipped with different sensing and communication devices and tasked to del... Read More about On the relevance of using interference and service differentiation routing in the internet-of-things.

BOD-LEACH: Broadcasting over duty-cycled radio using LEACH clustering for delay/power efficient dissimilation in wireless sensor networks (2013)
Journal Article
Khiati, M., & Djenouri PhD, D. (2015). BOD-LEACH: Broadcasting over duty-cycled radio using LEACH clustering for delay/power efficient dissimilation in wireless sensor networks. International Journal of Communication Systems, 28(2), 296-308. https://doi.org/10.1002/dac.2669

Copyright © 2013 John Wiley & Sons, Ltd. Broadcasting delay-sensitive information over a duty-cycled wireless sensor network is considered, and a cluster-based protocol is proposed. The proposed protocol, namely Broadcast over Duty-Cycle and LEACH... Read More about BOD-LEACH: Broadcasting over duty-cycled radio using LEACH clustering for delay/power efficient dissimilation in wireless sensor networks.

Duo-MAC: Energy and time constrained data delivery MAC protocol in wireless sensor networks (2013)
Conference Proceeding
Doudou, M., Alaei, M., Djenouri, D., Barcelo-Ordinas, J. M., & Badache, N. (2013). Duo-MAC: Energy and time constrained data delivery MAC protocol in wireless sensor networks. https://doi.org/10.1109/iwcmc.2013.6583596

We present Duo-MAC, an asynchronous cascading wake-up scheduled MAC protocol for heterogeneous traffic forwarding in low-power wireless networks. Duo-MAC deals with energy-delay minimization problem and copes with transmission latency encountered by... Read More about Duo-MAC: Energy and time constrained data delivery MAC protocol in wireless sensor networks.

Theoretical estimators and lower-bounds for receiver-to-receiver time synchronization in multi-hop wireless networks (2013)
Conference Proceeding
Djenouri, D. (2013). Theoretical estimators and lower-bounds for receiver-to-receiver time synchronization in multi-hop wireless networks. https://doi.org/10.1049/cp.2012.2084

Maximum likelihood estimators (MLE) for time synchronization parameters of receiver-to-receiver protocols are derived. The MLE are first provided for a single-hop model, then generalized to a multi-hop model. The appropriate Cramer- Rao lower bounds... Read More about Theoretical estimators and lower-bounds for receiver-to-receiver time synchronization in multi-hop wireless networks.

Fault-tolerant implementation of a distributed MLE-based time synchronization protocol for wireless sensor networks (2013)
Conference Proceeding
Djenouri, D., Merabtine, N., Mekahlia, F. Z., & Doudou, M. (2013). Fault-tolerant implementation of a distributed MLE-based time synchronization protocol for wireless sensor networks. https://doi.org/10.1109/wcnc.2013.6555284

This paper describes the implementation and evaluation of R4Syn protocol on MICAz platform and TinyOS operating system. The contribution is two folds. First, the implementation uses thorough maximum-likelihood estimators (MLE) in the joint offset/ske... Read More about Fault-tolerant implementation of a distributed MLE-based time synchronization protocol for wireless sensor networks.

Fast distributed multi-hop relative time synchronization protocol and estimators for wireless sensor networks (2013)
Journal Article
Djenouri, D., Merabtine, N., Mekahlia, F. Z., & Doudou, M. (2013). Fast distributed multi-hop relative time synchronization protocol and estimators for wireless sensor networks. Ad Hoc Networks, 11(8), 2329-2344. https://doi.org/10.1016/j.adhoc.2013.06.001

The challenging problem of time synchronization in wireless sensor networks is considered in this paper, where a new distributed protocol is proposed for both local and multi-hop synchronization. The receiver-to-receiver paradigm is used, which has t... Read More about Fast distributed multi-hop relative time synchronization protocol and estimators for wireless sensor networks.

A study of wireless sensor networks for urban traffic monitoring: Applications and architectures (2013)
Journal Article
Kafi, M. A., Challal, Y., Djenouri, D., Doudou, M., Bouabdallah, A., & Badache, N. (2013). A study of wireless sensor networks for urban traffic monitoring: Applications and architectures. Procedia Computer Science, 19, 617-626. https://doi.org/10.1016/j.procs.2013.06.082

With the constant increasing of vehicular traffic around the world, especially in urban areas, existing traffic management solutions become inefficient. This can be clearly seen in our life through persistent traffic jam and rising number of accident... Read More about A study of wireless sensor networks for urban traffic monitoring: Applications and architectures.

Synchronous contention-based MAC protocols for delay-sensitive wireless sensor networks: A review and taxonomy (2013)
Journal Article
Doudou, M., Djenouri, D., Badache, N., & Bouabdallah, A. (2014). Synchronous contention-based MAC protocols for delay-sensitive wireless sensor networks: A review and taxonomy. Journal of Network and Computer Applications, 38(1), 172-184. https://doi.org/10.1016/j.jnca.2013.03.012

Duty-cycling allows obtaining significant energy saving compared to full duty cycle (sleepless) random access MAC protocols. However, it may result in significant latency. In slotted duty-cycled medium access control (MAC) protocols, sensor nodes per... Read More about Synchronous contention-based MAC protocols for delay-sensitive wireless sensor networks: A review and taxonomy.

FDAP: Fast data aggregation protocol in wireless sensor networks (2012)
Conference Proceeding
Boulkaboul, S., Djenouri, D., & Badache, N. (2012). FDAP: Fast data aggregation protocol in wireless sensor networks. https://doi.org/10.1007/978-3-642-32686-8_38

This paper focuses on data aggregation latency in wireless sensors networks. A distributed algorithm to generate a collision-free schedule for data aggregation in wireless sensor networks is proposed. The proposed algorithm is based on maximal indepe... Read More about FDAP: Fast data aggregation protocol in wireless sensor networks.

Cluster-based fast broadcast in duty-cycled wireless sensor networks (2012)
Conference Proceeding
Khiati, M., & Djenouri, D. (2012). Cluster-based fast broadcast in duty-cycled wireless sensor networks. In Proceedings of 2012 IEEE 11th International Symposium on Network Computing and Applicationshttps://doi.org/10.1109/nca.2012.21

This paper proposes a cluster-based broadcast protocol to disseminate delay-sensitive information throughout a wireless sensor network (WSN). The protocol considers the use of duty-cycling at the MAC layer, which is essential to reduce energy dissipa... Read More about Cluster-based fast broadcast in duty-cycled wireless sensor networks.

A study of wireless sensor network architectures and projects for traffic light monitoring (2012)
Journal Article
Kafi, M. A., Challal, Y., Djenouri, D., Bouabdallah, A., Khelladi, L., & Badache, N. (2012). A study of wireless sensor network architectures and projects for traffic light monitoring. Procedia Computer Science, 10, 543-552. https://doi.org/10.1016/j.procs.2012.06.069

Vehicular traffic is increasing around the world, especially in urban areas. This increase results in a huge traffic congestion, which has dramatic consequences on economy, human health, and environment. Traditional methods used for traffic managemen... Read More about A study of wireless sensor network architectures and projects for traffic light monitoring.

Slotted contention-based energy-efficient MAC protocols in delay-sensitive wireless sensor networks (2012)
Conference Proceeding
Doudou, M., Djenouri, D., Badache, N., & Bouabdallah, A. (2012). Slotted contention-based energy-efficient MAC protocols in delay-sensitive wireless sensor networks. https://doi.org/10.1109/iscc.2012.6249332

This paper considers slotted duty-cycled medium access control (MAC) protocols, where sensor nodes periodically and synchronously alternate their operations between active and sleep modes to save energy. Communications can occur only when nodes are i... Read More about Slotted contention-based energy-efficient MAC protocols in delay-sensitive wireless sensor networks.

Survey on latency issues of asynchronous MAC protocols in delay-sensitive wireless sensor networks (2012)
Journal Article
Doudou, M., Djenouri, D., & Badache, N. (2012). Survey on latency issues of asynchronous MAC protocols in delay-sensitive wireless sensor networks. Communications Surveys and Tutorials, IEEE Communications Society, 15(2), 528-550. https://doi.org/10.1109/surv.2012.040412.00075

Energy-efficiency is the main concern in most Wireless Sensor Network (WSN) applications. For this purpose, current WSN MAC (Medium Access Control) protocols use duty-cycling schemes, where they consciously switch a node's radio between active and sl... Read More about Survey on latency issues of asynchronous MAC protocols in delay-sensitive wireless sensor networks.

R^{4}Syn: Relative referenceless receiver/receiver time synchronization in wireless sensor networks (2012)
Journal Article
Djenouri, D. (2012). R^{4}Syn: Relative referenceless receiver/receiver time synchronization in wireless sensor networks. IEEE Signal Processing Letters, 19(4), 175-178. https://doi.org/10.1109/lsp.2012.2185491

A new time synchronization protocol for wireless sensor networks (WSN) is proposed. It uses the receiver-to-receiver principle introduced by the Reference Broadcast Synchronization (RBS), which reduces the time-critical path compared to the sender-to... Read More about R^{4}Syn: Relative referenceless receiver/receiver time synchronization in wireless sensor networks.

Estimators for RBS-based time synchronization in heterogeneous wireless networks (2011)
Conference Proceeding
Djenouri, D. (2011). Estimators for RBS-based time synchronization in heterogeneous wireless networks. https://doi.org/10.1109/GLOCOMW.2011.6162456

A general scenario for using reference broadcast synchronization (RBS) in heterogeneous multi-hop wireless networks is defined, together with an appropriate model allowing to directly derive maximum likelihood estimators (MLE) to the skew and offset... Read More about Estimators for RBS-based time synchronization in heterogeneous wireless networks.

Self-repairing clusters for time-efficient and scalable actor-fault-tolerance in wireless sensor and actor networks (2011)
Conference Proceeding
Amirouche, L., Djenouri, D., & Badache, N. (2011). Self-repairing clusters for time-efficient and scalable actor-fault-tolerance in wireless sensor and actor networks. In AccessNets 2010: Access Networks, (113-123). https://doi.org/10.1007/978-3-642-20931-4_9

A new solution for fault-tolerance in wireless sensor and actor networks (WSAN) is proposed. The solution deals with fault-tolerance of actors, contrary to most of the literature that only considers sensors. It considers real-time communication, and... Read More about Self-repairing clusters for time-efficient and scalable actor-fault-tolerance in wireless sensor and actor networks.

Distributed receiver/receiver synchronization in wireless sensor networks: New solution and joint offset/skew estimators for Gaussian delays (2011)
Journal Article
Djenouri, D. (2011). Distributed receiver/receiver synchronization in wireless sensor networks: New solution and joint offset/skew estimators for Gaussian delays. Lecture Notes in Artificial Intelligence, 6843 LNCS, 13-24. https://doi.org/10.1007/978-3-642-23490-3_2

This paper proposes a new synchronization protocol for wireless sensor networks (WSN). The proposed protocols is based on the receive/reieve approach, which was introduced by the Reference Broadcast Synchronization (RBS). This approach has been chose... Read More about Distributed receiver/receiver synchronization in wireless sensor networks: New solution and joint offset/skew estimators for Gaussian delays.

Traffic-differentiation-based modular QoS localized routing for wireless sensor networks (2010)
Journal Article
Djenouri, D., & Balasingham, I. (2011). Traffic-differentiation-based modular QoS localized routing for wireless sensor networks. IEEE Transactions on Mobile Computing, 10(6), 797-809. https://doi.org/10.1109/tmc.2010.212

A new localized quality of service (QoS) routing protocol for wireless sensor networks (WSN) is proposed in this paper. The proposed protocol targets WSN's applications having different types of data traffic. It is based on differentiating QoS requir... Read More about Traffic-differentiation-based modular QoS localized routing for wireless sensor networks.

A gradual solution to detect selfish nodes in mobile ad hoc networks (2010)
Journal Article
Djenouri, D., & Badache, N. (2010). A gradual solution to detect selfish nodes in mobile ad hoc networks. International Journal of Wireless and Mobile Computing, 4(4), 264-274. https://doi.org/10.1504/ijwmc.2010.035886

The resource limitation of nodes forming ad hoc networks along with the multi-hop nature of these networks rise a new problem. To preserve its energy a node may behave selfishly and would not forward packets for others, while using their services and... Read More about A gradual solution to detect selfish nodes in mobile ad hoc networks.