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How Network Coding Benefits Converge-Cast in Wireless Sensor Networks
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  • How Network Coding Benefits Converge-Cast in Wireless Sensor Networks
  • How Network Coding Benefits Converge-Cast in Wireless Sensor Networks
저자명
Tang. Zhenzhou,Wang. Hongyu,Hu. Qian,Hai. Long
간행물명
KSII Transactions on internet and information systems : TIIS
권/호정보
2013년|7권 5호|pp.1180-1197 (18 pages)
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한국인터넷정보학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Network coding is one of the most promising techniques to increase the reliability and reduce the energy consumption for wireless sensor networks (WSNs). However, most of the previous works mainly focus on the network coding for multicast or unicast in WSNs, in spite of the fact that the converge-cast is the most common communication style in WSNs. In this paper, we investigate, for the first time as far as we know, the feasibility of acquiring network coding benefits in converge-cast, and we present that with the ubiquitous convergent structures self-organized during converge-casting in the network, the reliability benefits can be obtained by applying linear network coding. We theoretically derive the network coding benefits obtained in a general convergent structure, and simulations are conducted to validate our theoretical analysis. The results reveal that the network coding can improve the network reliability considerably, and hence reduce number of retransmissions and improve energy-efficiency.