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A Throughput-Adaptive and Energy-Efficient MAC Protocol for Wireless Sensor Networks
Zuo Luo *
Beijing University of Posts and Telecommunications
*Correspondence author
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Funding: none
Opened online:10 February 2009
Accepted by: none
Citation: Zuo Luo.A Throughput-Adaptive and Energy-Efficient MAC Protocol for Wireless Sensor Networks[OL]. [10 February 2009] http://en.paper.edu.cn/en_releasepaper/content/28710
 
 
This paper proposes TA-MAC, a medium access control (MAC) protocol designed for wireless sensor networks. Previously proposed MAC protocols for WSNs aim to provide energy efficiency by using a periodical active/sleep scheme. However, they may not provide adaptivity to various traffic conditions while ensuring reduction in energy consumption. To handle variations in traffic load, TA-MAC introduces a mechanism that active nodes try to notify nodes a few hops away of what is going on so that the latter could be ready when data arrives. Besides, TA-MAC introduces a way to protect data from loss because of the limit of the buffer. Our simulation results show that our proposed protocol achieves significant improvements on the throughput for traffic load variations, while still ensuring energy savings compared with other MAC protocols designed for sensor networks such as T-MAC.
Keywords:MAC protocols;sensor networks;energy efficiency;throughput
 
 
 

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