HMAC: An energy efficient MAC protocol  for wireless sensor networks

SU Yu; QU Yugui; LIN Zhiting

doi:10.3969/j.issn.0253-2778.2010.10.010

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HMAC: An energy efficient MAC protocol for wireless sensor networks

Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei 230027, China

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https://doi.org/10.3969/j.issn.0253-2778.2010.10.010

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Author Bio:
SU Yu, female, born in 1985, master. Research field: wireless sensor networks. E-mail: elv5tion@mail.ustc.edu.cn
Corresponding author: QU Yugui
Received Date: 28 August 2009
Rev Recd Date: 11 November 2009
Publish Date: 31 October 2010

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Abstract

Abstract

Duty-cycle MAC protocols widely used in wireless sensor networks lead to extra end-to-end delivery latency, while the existing solutions, such as RMAC (the Routing enhanced MAC protocol)， are only applicable to light-load traffic. A new MAC protocol called HMAC is proposed, which avoids the unnecessary energy consumption caused by loss events without sacrificing the performance of packet delivery latency. By using two scheduling frames, HMAC realizes efficient multihop packet delivery in a single cycle, and ensures that bad link conditions do not impact the downstream nodes. Compared with S-MAC and RMAC, it is shown that HMAC outperforms these protocols in a heavy-load traffic scenario, with higher energy efficiency and lower delivery latency.

Abstract

Duty-cycle MAC protocols widely used in wireless sensor networks lead to extra end-to-end delivery latency, while the existing solutions, such as RMAC (the Routing enhanced MAC protocol)， are only applicable to light-load traffic. A new MAC protocol called HMAC is proposed, which avoids the unnecessary energy consumption caused by loss events without sacrificing the performance of packet delivery latency. By using two scheduling frames, HMAC realizes efficient multihop packet delivery in a single cycle, and ensures that bad link conditions do not impact the downstream nodes. Compared with S-MAC and RMAC, it is shown that HMAC outperforms these protocols in a heavy-load traffic scenario, with higher energy efficiency and lower delivery latency.