Physical Layer Network Coding Schemes for Two-way Relay

被引：0
|
作者：
Liu, William [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, London SW7 2AZ, England
来源：
2014 9TH INTERNATIONAL SYMPOSIUM ON COMMUNICATION SYSTEMS, NETWORKS & DIGITAL SIGNAL PROCESSING (CSNDSP) | 2014年
关键词：
Compute-and-forward; lattice codes; lattice decoding; physical layer network coding; two-way relay; MULTIDIMENSIONAL CONSTELLATIONS; COSET CODES; CAPACITY; CHANNEL;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, various physical layer network coding (PNC) schemes are revisited for wireless two-way relay channel in single antenna case. The achievable rates are reviewed for AWGN channel and newly derived for fading channel for all these PNC schemes employing lattice codes and lattice decoding. A new transmit scheme using precoding is proposed over fading channel to achieve higher rates. It is revealed that for two-way relay channel, compute-and-forward can achieve the highest rate over both AWGN channel and fading channel. Thus it is the most suitable PNC scheme for two-way relay.
引用
收藏
页码：710 / 715
页数：6
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