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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.