Performance of Physical-Layer Network Coding in Asymmetric Two-Way Relay Channels

被引：0

作者：

Li Bo ^{[1
]}

Wang Gang ^{[1
]}

Chong, Peter H. J. ^{[2
]}

Yang Hongjuan ^{[1
]}

Guan, Yongliang ^{[2
]}

Sha Xuejun ^{[1
]}

机构：

[1] Harbin Inst Technol, Commun Res Ctr, Harbin 150001, Peoples R China

[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

CHINA COMMUNICATIONS | 2013年 / 10卷 / 10期

基金：

中国国家自然科学基金;

关键词：

physical-layer network coding; two-way relay channels; asymmetric channels; bit error rate;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, we study the performance of physical-layer network coding in asymmetric two-way relay channels using four different cases having different poor channels: phase asymmetry, downlink asymmetry, uplink asymmetry and node asymmetry. The decision and mapping rule for symmetric and asymmetric cases are studied. The performance in terms of bit error rate for each case will be studied and analysed by computer simulation. Analytical and simulation results show that uplink asymmetry is the worst case; intra-phase asymmetry and unreliable uplink channels will more severely affect the performance degradation, which is caused by channel asymmetry.

引用

页码：65 / 73

页数：9

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