Skip to main content

Research Repository

Advanced Search

All Outputs (96)

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.

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.

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.

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.

MLE for receiver-to-receiver time synchronization in wireless networks with exponential distributed delays (2014)
Conference Proceeding
Djenouri, D. (2014). MLE for receiver-to-receiver time synchronization in wireless networks with exponential distributed delays. https://doi.org/10.1109/VTCSpring.2014.7022985

© 2014 IEEE. Receiver-to-receiver time synchronization in wireless networks is considered, and appropriate maximum-likelihood estimators (MLE) for environments with exponential distrusted reception delays are proposed. In the receiver-to-receiver syn... Read More about MLE for receiver-to-receiver time synchronization in wireless networks with exponential distributed delays.

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.

Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks (2014)
Conference Proceeding
Doudou, M., Djenouri, D., Barcelo-Ordinas, J. M., & Badache, N. (2014). Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks. https://doi.org/10.1109/WCNC.2014.6952904

© 2014 IEEE. The real-world node deployment aspect is investigated, while considering cost minimization for resolving the energy hole around the sink, which represents a serious problem in typical sensor networks with uniform distribution. A novel st... Read More about Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks.

Intertwined medium access scheduling of upstream and downstream traffic in wireless sensor networks (2014)
Conference Proceeding
Bagaa, M., Younis, M., Djenouri, D., & Badache, N. (2014). Intertwined medium access scheduling of upstream and downstream traffic in wireless sensor networks. https://doi.org/10.1109/WCNC.2014.6952776

© 2014 IEEE. In wireless sensor networks, the sensor data are often aggregated en-route to the base-station in order to eliminate redundancy and conserve the network resources. The basestation not only acts as a destination for the upstream data traf... Read More about Intertwined medium access scheduling of upstream and downstream traffic in wireless sensor networks.

Preface of the 6th IEEE international workshop on management of emerging networks and services (IEEE Globecom MENS 2014) (2014)
Conference Proceeding
Chaparadza, R., Ding, J., & Djenouri, D. (2014). Preface of the 6th IEEE international workshop on management of emerging networks and services (IEEE Globecom MENS 2014). https://doi.org/10.1109/GLOCOMW.2014.7063422

© 2014 IEEE. This short paper serves as the preface of the 6th IEEE International Workshop on Management of Emerging Networks and Services (IEEE Globecom MENS 2014). The 6th IEEE MENS 2014 attracted a significant number of papers this year, as in the... Read More about Preface of the 6th IEEE international workshop on management of emerging networks and services (IEEE Globecom MENS 2014).

Congestion control protocols in wireless sensor networks: A survey (2014)
Journal Article
Kafi, M. A., Djenouri, D., Ben-Othman, J., & Badache, N. (2014). Congestion control protocols in wireless sensor networks: A survey. Communications Surveys and Tutorials, IEEE Communications Society, 16(3), 1369-1390. https://doi.org/10.1109/SURV.2014.021714.00123

The performance of wireless sensor networks (WSN) is affected by the lossy communication medium, application diversity, dense deployment, limited processing power and storage capacity, frequent topology change. All these limitations provide significa... Read More about Congestion control protocols in wireless sensor networks: A survey.

DZ50: Energy-efficient wireless sensor mote platform for low data rate applications (2014)
Journal Article
Ouadjaout, A., Lasla, N., Bagaa, M., Doudou, M., Zizoua, C., Kafi, M. A., …Badache, N. (2014). DZ50: Energy-efficient wireless sensor mote platform for low data rate applications. Procedia Computer Science, 37, 189-195. https://doi.org/10.1016/j.procs.2014.08.029

© 2014 The Authors. A low cost and energy efficient wireless sensor mote platform for low data rate monitoring applications is presented. The new platform, named DZ50, is based on the ATmega328P micro-controller and the RFM12b transceiver, which cons... Read More about DZ50: Energy-efficient wireless sensor mote platform for low data rate applications.

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.