Publications Scientifiques
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Item Sensor performance evaluation for Long-Lasting EH-WSNs by GSPN formulation, considering seasonal sunshine levels and dual standby strategy(Springer, 2023) Oukas, Nourredine; Boulif, MenouarIn this paper, we propose a generalized stochastic Petri net (GSPN) to model the sensor node (SN) interaction in solar energy harvesting wireless sensor networks. Our GSPN formulation models the energy stored in the SN battery by using the quantization principle. Furthermore, it considers that the sensors’ deployment territory is subject to different sunshine levels. In addition, each SN adopts the double sleeping strategy to cope with solar energy shortage in the nighttime. We conduct a comparative analysis between the proposed model and three others taken from the literature to identify which is best suited to predicting the input parameters that extend the network lifetime to fulfill its long-lasting duty with decent performancesItem A new petri nets for wsns to model the behaviour of solar-energy harvesting sensors with double sleeping strategy(IEEE, 2022) Oukas, Nourredine; Boulif, Menouar; Hadiouche, Hadda; Bengharabi, ChaimaThis paper introduces a new Generalized Stochastic Petri Nets modelling for sensor nodes (SNs) in wireless sensor networks (WSNs). All SNs are equipped with a solar Energy Harvesting (EH) system. Because there is no solar energy source at night, this formulation considers the case where SNs are intelligently configured to use a double sleeping strategy to get a trade-off between energy conservation and good performances. To achieve this aim, the SN joins the standby state most of the time in the night. In the day, the SN awakes most of the time to get good performances thanks to EH. From the proposed modelling, we derive performance formulas that allow determining the most suitable compromise between energy consumption reduction and rapidity of serviceItem A new stochastic petri nets modeling for dual cluster heads configuration in Energy-Harvesting WSNs(IEEE, 2021) Oukas, Nourredine; Boulif, MenouarThis paper proposes a new Stochastic Petri Nets modeling to describe the route taken by the packets to reach the base station from any sensor node in wireless sensor networks. This formulation examines the case where the network is structured into clusters. Each cluster contains two leaders: A Cluster Head and a Collector that cooperate to route the packets from the source to the endpoint. This configuration aims to conserve energy by balancing it through the network. Furthermore, given that a sensor node consumes the majority of its power in the communication process that is affected by the distance of the recipient, this formulation associates data gathering and data processing to the Collector whereas it associates the far sending task to the cluster head. From the proposed formulation, we derive performance formulas and we conduct some experimental analysis that allows to determine the most suitable compromise between energy consumption reduction and longevity of serviceItem A new modification of LEACH for efficient energy in WSN(Indonesian Journal of Electrical Engineering and Computer Science, 2020) Lechani, Taous; Tourtchine, Victor; Amari, SaidThe limited energy of nodes in wireless sensor networks and the impossibility of replacing their batteries, have lead to protocols development which optimize and balance the energy consumption over the network. LEACH is the most used hierarchical protocol. However, one major weakness of the LEACH protocol lies in both of its random cluster formation and cluster head election. In this paper, we present two new protocols based virtual grid clustering on coverage area. In the first one, sensing area is devided into grids as squares named as VSG-LEACH and in the second one into grids as hexagons named as VHG-LEACH. In each zone, one cluster head is elected according to its residual energy and its distance from the cell center. The simulation results show that the network lifetime is prolonged by 169.67% and the energy consumption is improved by 80.97% compared to LEACH protocol.Item DoTRo : a new dominating tree routing algorithm for efficient and Fault-Tolerant leader election in WSNs and IoT networks(IEEE, 2018) Bounceur, Ahcène; Bezoui, Madani; Lagadec, Loïc; Euler, Reinhardt; Laouid, Abdelkader; Hammoudeh, MohammadItem A revised BROGO algorithm for leader election in wireless sensor and IoT networks(IEEE, 2017) Bounceur, Ahcène; Bezoui, Madani; Euler, Reinhardt; Lalem, Farid; Lounis, MassinissaItem A new algorithm for finding a dominating set in wireless sensor and IoT networks based on the Wait-Before-Starting concept(IEEE, 2017) Bezoui, Madani; Bounceur, Ahcène; Euler, ReinhardtItem A wait-Before-Starting algorithm for fast, fault-Tolerant and low energy leader election in WSNs dedicated to Smart-Cities and IoT(IEEE, 2017) Bounceur, Ahcène; Bezoui, Madani; Euler, Reinhardt; Lalem, FaridItem D-LPCN : a distributed least polar-angle connected node algorithm for finding the boundary of a wireless sensor network(Elsevier, 2017) Saoudi, Massinissa; Lalem, Farid; Bounceur, Ahcène; Euler, Reinhardt; Kechadi, M-Tahar; Laouid, Abdelkader; Bezoui, Madani; Sevaux, Marc