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Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition (2017)
Conference Proceeding
Djenouri, D., Bagaa, M., Chelli, A., & Balasingham, I. (2017). Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition. https://doi.org/10.1109/glocomw.2016.7848891

Survivable wireless sensor networks that take advantage of green energy resources from the environment is considered in this paper. The particular problem of constrained relay nodes (RNs) placement to ensure communication coverage in the single-tiere... Read More about Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition.

Optimal placement of relay nodes over limited positions in wireless sensor networks (2017)
Journal Article
Bagaa, M., Chelli, A., Djenouri, D., Taleb, T., Balasingham, I., & Kansanen, K. (2017). Optimal placement of relay nodes over limited positions in wireless sensor networks. IEEE Transactions on Wireless Communications, 16(4), 2205-2219. https://doi.org/10.1109/TWC.2017.2658598

This paper tackles the challenge of optimally placing relay nodes (RNs) in wireless sensor networks given a limited set of positions. The proposed solution consists of: 1) the usage of a realistic physical layer model based on a Rayleigh block-fading... Read More about Optimal placement of relay nodes over limited positions in wireless sensor networks.

Efficient on-demand multi-node charging techniques for wireless sensor networks (2016)
Journal Article
Khelladi, L., Djenouri, D., Rossi, M., & Badache, N. (2017). Efficient on-demand multi-node charging techniques for wireless sensor networks. Computer Communications, 101, 44-56. https://doi.org/10.1016/j.comcom.2016.10.005

This paper deals with wireless charging in sensor networks and explores efficient policies to perform simultaneous multi-node power transfer through a mobile charger (MC).The proposed solution, called On-demand Multi-node Charging (OMC), features an... Read More about Efficient on-demand multi-node charging techniques for wireless sensor networks.

MAC protocols with wake-up radio for wireless sensor networks: A review (2016)
Journal Article
Djiroun, F. Z., & Djenouri, D. (2017). MAC protocols with wake-up radio for wireless sensor networks: A review. Communications Surveys and Tutorials, IEEE Communications Society, 19(1), 587-618. https://doi.org/10.1109/COMST.2016.2612644

The use of a low-power wake-up radio in wireless sensor networks is considered in this paper, where relevant medium access control solutions are studied. A variety of asynchronous wake-up MAC protocols have been proposed in the literature, which take... Read More about MAC protocols with wake-up radio for wireless sensor networks: A review.

One-step approach for two-tiered constrained relay node placement in wireless sensor networks (2016)
Journal Article
Chelli, A., Bagaa, M., Djenouri, D., Balasingham, I., & Taleb, T. (2016). One-step approach for two-tiered constrained relay node placement in wireless sensor networks. IEEE Wireless Communications Letters, 5(4), 448-451. https://doi.org/10.1109/LWC.2016.2583426

© 2012 IEEE. We consider in this letter the problem of constrained relay node (RN) placement where sensor nodes must be connected to base stations by using a minimum number of RNs. The latter can only be deployed at a set of predefined locations, and... Read More about One-step approach for two-tiered constrained relay node placement in wireless sensor networks.

Parallel BSO algorithm for association rules mining using master/worker paradigm (2016)
Conference Proceeding
Djenouri, Y., Bendjoudi, A., Djenouri, D., & Habbas, Z. (2016). Parallel BSO algorithm for association rules mining using master/worker paradigm. https://doi.org/10.1007/978-3-319-32149-3_25

© Springer International Publishing Switzerland 2016. The extraction of association rules from large transactional databases is considered in the paper using cluster architecture parallel computing. Motivated by both the successful sequential BSO-ARM... Read More about Parallel BSO algorithm for association rules mining using master/worker paradigm.

Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks (2016)
Journal Article
Doudou, M., Barcelo-Ordinas, J. M., Djenouri, D., Garcia-Vidal, J., Bouabdallah, A., & Badache, N. (2016). Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks. ACM Transactions on Sensor Networks, 12(2), 1-35. https://doi.org/10.1145/2883615

Optimizing energy consumption and end-to-end (e2e) packet delay in energy-constrained, delay-sensitive wireless sensor networks is a conflicting multiobjective optimization problem. We investigate the problem from a game theory perspective, where the... Read More about Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks.

On the effect of sensing-holes in PIR-based occupancy detection systems (2016)
Conference Proceeding
Ouadjaout, A., Lasla, N., Djenouri, D., & Zizoua, C. (2016). On the effect of sensing-holes in PIR-based occupancy detection systems. In Proceedings of the 5th International Confererence on Sensor Networks - Volume 1: SENSORNETS. , (175-180). https://doi.org/10.5220/0005805901750180

Sensing-holes in PIR-based motion detection systems are considered, and their impact on occupancy monitoring applications is investigated. To our knowledge, none of prior works on PIR-based systems consider the presence of these holes, which represen... Read More about On the effect of sensing-holes in PIR-based occupancy detection systems.

Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks (2015)
Conference Proceeding
Djenouri, D., & Bagaa, M. (2015). Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks. https://doi.org/10.1109/ICC.2015.7248303

© 2015 IEEE. This paper deals with power-efficient coverage in wireless sensor networks (WSN) by taking advantage of energy-harvesting capabilities. A general scenario is considered for deployed networks with two types of sensor nodes, harvesting ena... Read More about Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks.

A variant of connected dominating set in unit disk graphs for applications in communication networks (2015)
Conference Proceeding
Djenouri, D., & Bagaa, M. (2015). A variant of connected dominating set in unit disk graphs for applications in communication networks. https://doi.org/10.1109/EIT.2015.7293384

© 2015 IEEE. This paper considers a variant of the connected dominating set (CDS) problem in a unit disk graph G = (V, E). The considered problem consists in minimizing the number of CDS vertices that belong to a subset V' ⊆V. As far as we know, this... Read More about A variant of connected dominating set in unit disk graphs for applications in communication networks.

Car park management with networked wireless sensors and active RFID (2015)
Journal Article
El Karbab, M., Djenouri, D., Boulkaboul, S., & Bagula, A. (2015). Car park management with networked wireless sensors and active RFID. https://doi.org/10.1109/EIT.2015.7293372

© 2015 IEEE. This paper considers automatic car park management, which becomes an inevitable option to rationalize traffic management in modern cities. Integration of networked sensor/actuator and radio frequency identification (RFID) technologies is... Read More about Car park management with networked wireless sensors and active RFID.

Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks (2015)
Journal Article
Doudou, M., Djenouri, D., Barcelo-Ordinas, J. M., & Badache, N. (2016). Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks. Wireless Networks, 22(2), 467-490. https://doi.org/10.1007/s11276-015-0965-5

© 2015, Springer Science+Business Media New York. This paper presents an asynchronous cascading wake-up MAC protocol for heterogeneous traffic gathering in low-power wireless sensor networks. It jointly considers energy/delay optimization and switche... Read More about Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks.

Distributed low-latency data aggregation scheduling in wireless sensor networks (2015)
Journal Article
Bagaa, M., Younis, M., Djenouri, D., Derhab, A., & Badache, N. (2015). Distributed low-latency data aggregation scheduling in wireless sensor networks. ACM Transactions on Sensor Networks, 11(3), https://doi.org/10.1145/2744198

This article considers the data aggregation scheduling problem, where a collision-free schedule is determined in a distributed way to route the aggregated data from all the sensor nodes to the base station within the least time duration. The algorith... Read More about Distributed low-latency data aggregation scheduling in wireless sensor networks.

MSR: Minimum-Stop Recharging Scheme for Wireless Rechargeable Sensor Networks (2014)
Conference Proceeding
Khelladi, L., Djenouri, D., Lasla, N., Badache, N., & Bouabdallah, A. (2014). MSR: Minimum-Stop Recharging Scheme for Wireless Rechargeable Sensor Networks. https://doi.org/10.1109/UIC-ATC-ScalCom.2014.119

© 2014 IEEE. This paper deals with simultaneous energy transfer to multiple nodes for scalable wireless recharging in wireless sensor networks. All existing recharging schemes rely on the use of a mobile charger that roves the network and drops by so... Read More about MSR: Minimum-Stop Recharging Scheme for Wireless Rechargeable Sensor Networks.

Synchronization protocols and implementation issues in wireless sensor networks: A review (2014)
Journal Article
Djenouri, D., & Bagaa, M. (2016). Synchronization protocols and implementation issues in wireless sensor networks: A review. IEEE Systems Journal, 10(2), 617-627. https://doi.org/10.1109/jsyst.2014.2360460

Time synchronization in wireless sensor networks (WSNs) is a topic that has been attracting the research community in the last decade. Most performance evaluations of the proposed solutions have been limited to theoretical analysis and simulation. Th... Read More about Synchronization protocols and implementation issues in wireless sensor networks: A review.

Interference-aware congestion control protocol for wireless sensor networks (2014)
Journal Article
Kafi, M. A., Djenouri, D., Othman, J. B., Ouadjaout, A., Bagaa, M., Lasla, N., & Badache, N. (2014). Interference-aware congestion control protocol for wireless sensor networks. Procedia Computer Science, 37, 181-188. https://doi.org/10.1016/j.procs.2014.08.028

© 2014 The Authors. This paper deals with congestion and interference control in wireless sensor networks (WSN), which is essential for improving the throughput and saving the scarce energy in networks where nodes have different capacities and traffi... Read More about Interference-aware congestion control protocol for wireless sensor networks.

Congestion detection strategies in wireless sensor networks: A comparative study with testbed experiments (2014)
Journal Article
Kafi, M. A., Djenouri, D., Othman, J. B., Ouadjaout, A., & Badache, N. (2014). Congestion detection strategies in wireless sensor networks: A comparative study with testbed experiments. Procedia Computer Science, 37, 168-175. https://doi.org/10.1016/j.procs.2014.08.026

© 2014 The Authors. Event based applications of Wireless Sensor Networks (WSNs) are prone to traffic congestion, where unpredicted event detection yields simultaneous generation of traffic at spatially co-related nodes, and its propagation towards th... Read More about Congestion detection strategies in wireless sensor networks: A comparative study with testbed experiments.

Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks (2014)
Conference Proceeding
Doudou, M., Ordinas, J. M., Djenouri, D., Vidal, J. G., & Badache, N. (2014). Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks. https://doi.org/10.1145/2611462.2611509

Optimizing energy consumption and end-to-end (e2e) packet delay in energy constrained distributed wireless networks is a conflicting multi-objective optimization problem. This paper investigates this trade-off from a game-theoretic perspective, where... Read More about Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks.

Implementation of high precision synchronization protocols in wireless sensor networks (2014)
Conference Proceeding
Djenouri, D., & Bagaa, M. (2014). Implementation of high precision synchronization protocols in wireless sensor networks. https://doi.org/10.1109/WOCC.2014.6839945

Microsecond-level time synchronization is needed in realtime applications of wireless sensor networks. While several synchronization protocols have been proposed, most performance evaluations have been limited to theoretical analysis and simulation,... Read More about Implementation of high precision synchronization protocols in wireless sensor networks.