面向传感器网络的双向中继协议

doi:10.3969/j.issn.1000-436x.2014.03.004

摘要/Abstract

摘要：

针对传感器网络的特点，提出一种基于三时隙网络编码及选择性解码转发的双向中继协议，简称双向选择性解码转发协议（TW-SDF）。对比物理层网络编码中继协议，此协议具有高分集增益、低编解码复杂度及易系统实现等优点。更重要是从理论上推导出此中继协议在采用线性分组码及硬解码算法情况下的误块率上界。仿真实验表明，若采用BCH线性分组码，上述误块率上界能紧致地预测真实系统性能。

关键词: 网络编码, 双向中继, 协作通信, 传感器网络

Abstract:

A three-time-slot two-way relaying protocol,named as two-way selective decode-and-forward (TW-SDF) protocol,was proposed.This relaying protocol integrates network coding and the selective decode-and-forward method,and was tailored for wireless networks with simple devices,like sensor networks.Compared with the well-known physical-layer network coding protocol,the considered TW-SDF has the merits of full diversity order gain,low encoding and decoding complexity and easy-to-implement.Provided block codes,an upper bound on the block error rate of TW-SDF was derived and proved,which is valid for all hard decoders.Simulation results further verify that the upper bound is remarkably tight if BCH codes are utilized.

Key words: network coding, bidirectional relaying, cooperative communication, sensor network

周清峰,丁志中,开彩红. 面向传感器网络的双向中继协议[J]. 通信学报, 2014, 35(3): 30-37.

Qing-feng ZHOU,Zhi-zhong DING,Cai-hong KAI. Two-way relaying protocol tailored for sensor network[J]. Journal on Communications, 2014, 35(3): 30-37.

图/表 4

参考文献 16

[1]	ZHANG S , LIEW S C , LAM P P . Hot topic:physical-layer network coding[A]. Proc ACM 12th MobiCom[C]. New York,NY,USA, 2006. 358-365.
[2]	LANEMAN J , TSE D , WORNELL G . Cooperative diversity in wireless networks:efficient protocols and outage behavior[J]. IEEE Trans Inf Theory, 2004,50(12): 3062-3080.
[3]	SANKARASUBRAMANIAM Y , AKYILDIZ I F , MCLAUGHLIN S W . Energy efficiency based packet size optimization in wireless sensor networks[A]. Proc First IEEE SNPA Int Workshop[C]. 2003. 1-8.
[4]	RAZAVI R , FLEURY M , GHANBARI M . Correct bluetooth EDR FEC performance with SEC-DAEC decoding[J]. Electronics Letters, 2007,43(22).
[5]	KWAK K S , ULLAH S , ULLAH N . An overview of IEEE 802.15.6 standard[EB/OL]. arxiv,org/abs/102.4106, 2011.
[6]	LIEW S C , ZHANG S L , LU L . Physical-layer network coding:tutorial,survey,and beyond[J]. Physical Communication, 2013,6(3): 4-42.
[7]	LI Y , VUCETIC B , WONG T F , et al. Distributed turbo coding with soft information relaying in multihop relay networks[J]. IEEE J Sel Areas Commun, 2006,24(11): 2040-2050.
[8]	BUI T , YUAN J . A decode and forward cooperation scheme with soft relaying in wireless communication[A]. IEEE SPAWC[C]. 2007. 1-5.
[9]	KARIM M A , YANG T , YUAN J , et al. A novel soft forwarding technique for memoryless relay channels based on symbol-wise mutual information[J]. IEEE Commun Lett, 2010,14(10): 927-929.
[10]	蔡春晓，杨炜伟，蔡跃明．混合衰落信道下选择中继译码转发的性能分析[J]．电子与信息学报， 2010,32(11):2582-2587. CAI C X , YANG W W , CAI Y M . Performance analysis of decode-and-forward transmission with relay selection in mixed fading channels[J]. Journal of Electronics ＆ Information Technology, 2010,32(11):2582-2587.
[11]	王海荣，黄永明，杨绿溪．联合网络编码和叠加编码的协作发射策略[J]．通信学报， 2012,33(8):1-9. WANG H R , HUANG Y M , YANG L X . Cooperative transmission design combining network coding and superposition coding[J]. Journal on Communications, 2012,33(8):1-9.
[12]	刘洪，任术波，项海格．不均等双向解码转发机会中继通信性能分析[J]．系统工程与电子技术， 2012,34(11):2344-2350. LIU H , REN S B , XIANG H G . Performance analysis of asymmetric two-way decode-and-forward opportunity relaying[J]. Systems Engineering and Electronics, 2012,34(11):2344-2350.
[13]	魏浩，郑宝玉，侯晓赟等．不对称速率双向中继传输策略研究[J]. 电子与信息学报， 2012,34:2748-2754. WEI H , ZHENG B Y , HOU X Y , et al. Asymmetric rate transmission schemes in two-way relay channel[J]. Journal of Electronics ＆ Information Technology, 2012,34:2748-2754.
[14]	MOON T K . Error Correction Coding:Mathematical Methods and Algorithms[M]. Wiley-International, 2005.
[15]	ZHOU Q F , MOW W H . Improving two-way selective decode-andforward wireless relaying with energy-efficient one-bit soft forwarding[EB/OL]. arxiv.org/abs/1206.4389, 2012.
[16]	AMAT A G , LAND I . An analytical expression of the probability of error for relaying with decode-and-forward[A]. Information Theory and Application Workshop (ITA)[C]. 2010. 1-5.