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TRaffic-Aware Topology Control Algorithm in Wireless Sensor Networks  

Jung, Yeon-Su (부산대학교 컴퓨터공학과 임베디드시스템연구실)
Choi, Hoon (부산대학교 컴퓨터공학과 임베디드시스템연구실)
Baek, Yun-Ju (부산대학교 컴퓨터공학과 임베디드시스템연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.7B, 2008 , pp. 510-517 More about this Journal
Abstract
In wireless sensor networks, a number of nodes deployed in dense manner should be self-configured to establish a topology that provides communication and sensing coverage under stringent energy constraints. To establish an efficient topology, we propose the TRaffic-Aware Topology control (TRAT) algorithm that reduces energy dissipation by considering total amount of data flows in the network. Our algorithm controls the number of active nodes with traffic information and adjusts nodal transmission power by estimating amount of data flows. According to the result, the proposed algorithm shows about 30% better performance than the other methods in terms of energy efficiency.
Keywords
Topology control; Wireless sensor networks; Traffic Information; Energy efficiency; Network connectivity;
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