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Article Dans Une Revue Annals of Telecommunications - annales des télécommunications Année : 2015

A cross-layer MAC and routing protocol based on slotted Aloha for Wireless Sensor Networks

Résumé

Wireless Sensor Networks (WSN) consist of a large number of sensors which have limited battery power. One of the major issues in WSN is the need to improve the overall network lifetime. Hence, WSN necessitate energy-efficient routing protocols. In this paper, a cross-layer routing protocol (PLOSA) is designed to offer a high delivery rate, a low end-to-end delay and a low energy consumption. To achieve these goals, the transmission channel is divided into different slots and a sensor has access to a slot related to its distance from the collector. The transmissions are then ordered within the frame from the farthest nodes to the closest ones which is a key point in order to ease forwarding and to conserve energy. We have conducted simulation-based evaluations to compare the performance of the proposed protocol against the framed aloha protocol. The performance results show that our protocol is a good candidate for WSN.
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Dates et versions

hal-01009637 , version 1 (18-06-2014)

Identifiants

Citer

David Espes, Xavier Lagrange, Luis Alberto Suarez Rivera. A cross-layer MAC and routing protocol based on slotted Aloha for Wireless Sensor Networks. Annals of Telecommunications - annales des télécommunications, 2015, 70 (3-4), pp.ISSN 0003-4347. ⟨10.1007/s12243-014-0433-8⟩. ⟨hal-01009637⟩
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