MRMAC: medium reservation MAC protocol for reducing end-to-end delay and energy consumption in wireless sensor networks

Authors:
Jaeyoung Hong;Ingook Jang;Hanjin Lee;Suho Yang;Hyunsoo Yoon
Affiliations:
Department of Computer Science, KAIST, Daejeon, Republic of Korea;Department of Computer Science, KAIST, Daejeon, Republic of Korea;Department of Computer Science, KAIST, Daejeon, Republic of Korea;Department of Computer Science, KAIST, Daejeon, Republic of Korea;Department of Computer Science, KAIST, Daejeon, Republic of Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

This letter proposes a novel medium reservation MAC protocol that reduces both end-to-end delay and energy consumption for wireless sensor networks. MRMAC reduces endto-end delay by informing the intended receiver of NPAT (next packet arrival time) and MRI (medium reservation information) to reserve the medium in advance. Through this medium reservation phase, following packets can be delivered with reduced delay in multihop streaming phase. A simulation shows that the result of the proposed protocol outperforms previous works.