一种用于无线传感器网络的低开销节能ARQ协议(英文)

【摘要】：Wireless sensor network(WSN) is a typical kind of low-power and lossy network,in where ARQ(Automatic Repeat reQuest)schemes are often used to improve packets reliability.However,the ARQ related packets may incur significant load and consume more energy.This paper proposes a novel energy efficient ARQ protocol called ARQ+,which uses the nearest-first scheme and NAK aggregation scheme to reduce the amount and transmission hops of the ARQ related packets.Consequently,the energy consumption is significantly decreased.Theoretical analyses of ARQ+ on energy consumption,packet arrive ratio and latency are provided.Performance improvement of ARQ+ is validated by extensive simulations.They both show that ARQ+ has satisfactory energy efficiency,good packets arriving ratio and reasonable average packet delay comparing to traditional ARQ schemes. 【作者单位】： School
【关键词】： ARQ ARQ+ wireless sensor network energy saving low overhead.
【基金】：partly supported by the National Key Technology Research and Development Program of China under Grant No.2011BAK12B02 the National Natural Science Foundation of China under Grant No.61104042 the National S&T Major Project of China under Grant No.2010ZX03005-003 the Program for New Century Excellent Talents in University(NCET-10-0294),China the National Natural Science Foundation of China under Grant No.60832007
【分类号】：TN929.5;TP212.9
【正文快照】： I.INTRODUCTION Wireless sensor network(WSN)is a typical kind of low-power and lossy network.Howev- er,many applications of WSNs require long- term and reliable service,such as disasters monitoring,health caring,industry surveil- lance,etc.[1]This leads t

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