Joint design of network coding and channel decoding for wireless networks

被引:30
|
作者
Zhang, Shengli [1 ]
Zhu, Yu [2 ]
Liew, Soung-Chang [1 ]
Ben Letaier, Khaled [2 ]
机构
[1] Chinese Univ Hong Kong, Dept Informat Engn, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Ctr Wireless Informat Technol, Kowloon, Hong Kong, Peoples R China
来源
2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 | 2007年
关键词
network coding; channel decoding; wireless networks; log-likelihood ratio;
D O I
10.1109/WCNC.2007.149
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Network coding has been receiving much attention recently for its ability to improve network throughput and enhance network robustness. In this paper, we investigate the design of network coding in wireless networks and propose a combined low complexity network coding and channel decoding scheme. We analyze the capacity of the proposed scheme for both the binary symmetric channel (BSC) and AWGN channel and show that it can achieve almost the same channel capacity as traditional network coding with a small degradation in the system bit error rate (BER) performance while achieving almost 50% complexity reduction. It is also shown that the proposed network coding design can be applied in wireless cooperative networks.
引用
收藏
页码:780 / +
页数:2
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