ON/OFF Markov Model Based Energy-Delay Aware MAC Protocol for Wireless Sensor Network |
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Authors: | Imane Dbibih Ouadoudi Zytoune Driss Aboutajdine |
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Affiliation: | 1. Laboratoire De Recherche En Informatique Et Télécommunications Unité Associée Au CNRST (URAC 29), Faculty of Sciences, University Mohammed V-Agdal, B.P. 1014 RP, Agdal, Rabat, Marocco 2. ENCG, Université Ibn tofail Kénitra, Rabat, Marocco
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Abstract: | Today, the Wireless Sensor Networks (WSNs) are increasingly used in many applications, and in parallel the scientific researches to improve the features of such networks are accelerated. As the nodes are small components that suffer from very limited energy resources, several researches carried out at the MAC layer in order to minimize energy costs. The techniques based on periodic active/passive mode are energy efficient, but the node can not adapt the behavior of the transceiver according to the network traffic. Our approach aims to reduce the latency without increasing energy consumption. We propose to manage the radio in a dynamic way according to ON/OFF Markov model. The passage from passive to active mode is set according to the transition probability from OFF to ON state. Based on this probability, we give the period that the transceiver can stay in sleep mode. Through simulation we show that the proposed technique outperforms the well known MAC protocol for WSN. |
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