A traffic aware, energy-efficient MAC protocol for Wireless Sensor Networks

Haigang Gong; Jiannong Cao; Ming Liu; Lijun Chen; Li Xie

doi:10.1504/IJAHUC.2009.024517

A traffic aware, energy-efficient MAC protocol for Wireless Sensor Networks

Haigang Gong, Jiannong Cao, Ming Liu, Lijun Chen, Li Xie

Research output: Journal article publication › Journal article › Academic research › peer-review

7 Citations (Scopus)

Abstract

In this paper, we propose TA-MAC, a traffic load adaptive, energy-efficient Medium Access Control (MAC) protocol for Wireless Sensor Networks (WSNs). TA-MAC modifies the contention window mechanism of S-MAC, a mostly well-known MAC scheme for sensor networks. Each sensor node chooses an optimal size of initial contention window according to the number of its neighbours. Then, it adjusts the initial contention window according to the current traffic load to reduce the collision probability while employing a fast back-off scheme to reduce the time for idle listening during back-off procedure, which both reduce the energy consumption. Simulation results show that TA-MAC outperforms S-MAC under high load.

Original language	English
Pages (from-to)	148-156
Number of pages	9
Journal	International Journal of Ad Hoc and Ubiquitous Computing
Volume	4
Issue number	3-4
DOIs	https://doi.org/10.1504/IJAHUC.2009.024517
Publication status	Published - 30 Apr 2009

Keywords

Contention windows
Energy efficient
MAC protocol
Traffic adaptive
Wireless sensor networks
WSNs

ASJC Scopus subject areas

Software
Hardware and Architecture
Computer Networks and Communications

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10.1504/IJAHUC.2009.024517

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title = "A traffic aware, energy-efficient MAC protocol for Wireless Sensor Networks",

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AU - Gong, Haigang

AU - Cao, Jiannong

AU - Liu, Ming

AU - Chen, Lijun

AU - Xie, Li

PY - 2009/4/30

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AB - In this paper, we propose TA-MAC, a traffic load adaptive, energy-efficient Medium Access Control (MAC) protocol for Wireless Sensor Networks (WSNs). TA-MAC modifies the contention window mechanism of S-MAC, a mostly well-known MAC scheme for sensor networks. Each sensor node chooses an optimal size of initial contention window according to the number of its neighbours. Then, it adjusts the initial contention window according to the current traffic load to reduce the collision probability while employing a fast back-off scheme to reduce the time for idle listening during back-off procedure, which both reduce the energy consumption. Simulation results show that TA-MAC outperforms S-MAC under high load.

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A traffic aware, energy-efficient MAC protocol for Wireless Sensor Networks

Abstract

Keywords

ASJC Scopus subject areas

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