PM-MAC : An Efficient MAC Protocol for Periodic Traffic Monitoring In Wireless Sensor Networks

김동민; Seong Cheol Kim

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2008, 13(7), pp.157-164
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

김동민 ¹, Seong Cheol Kim ²

¹상명대학교
²상명대학교

ABSTRACT

In this paper we suggest a scheduling algorithm that transmits periodic traffics efficiently in tree-structured wireless sensor networks (WSNs). The related research[1] showed the problems such as increasing the energy consumption and decreasing the data throughput as the depth of tree increases. To solve these problems, we use idle time slots and avoid the redundancy at data transmission. Also we suggest the algorithm that transmits the control packet when it is similar to a previously measured data. And if emergency data is occurred, our proposed algorithm transits that data in EDP(Emergency Data Period) for reducing the wait time. The proposed algorithm shows more data throughput and less energy consumption than that of the related research.
KEYWORDS

무선센서네트워크(Wireless Sensor Network), MAC(Multiple Access Control), 스케줄링(Scheduling)
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KCI Citation (4)

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