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http://dx.doi.org/10.6109/jkiice.2011.15.10.2257

The energy efficient traffic control mechanism in Wireless Sensor Network  

Jang, Yong-Jae (순천대학교 멀티미디어 공학과)
Park, Kyung-Yuk (전남대학교 문화콘텐츠학부)
Lee, Sung-Keun (순천대학교 멀티미디어 공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.15, no.10, 2011 , pp. 2257-2264 More about this Journal
Abstract
Sensor nodes in Wireless sensor network have limited resources and consume almost all energy to the communication. For its traffic feature as a burst traffic type toward a sink node, it has high probability to network congestion. Network congestion causes packet drops and retransmission of dropped packets draws energy consumption. In particular, the loss of packet that is from the sensor node far away from a sink node requires additional energy consumption by frequent retransmission. This paper presents a traffic control mechanism that determines packet transfer by considering priority of packet and congestion level as well as hop count. Analysis of proposed mechanism by simulation demonstrated that it improved energy efficiency.
Keywords
Wireless Sensor Network; Traffic control; Hop count; Queue management mechanism; Energy efficiency;
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