Symbol Error Rate Analysis for M-QAM Modulated Physical-Layer Network Coding with Phase Errors

被引：0
|
作者：
Huang, Yang [1 ]
Song, Qingyang [1 ]
Wang, Shiqiang [2 ]
Jamalipour, Abbas [3 ]
机构：
[1] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 110819, Peoples R China
[2] Imperial Coll London, Dept Elect & Elect Engn, London SW7 2AZ, England
[3] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
来源：
2012 IEEE 23RD INTERNATIONAL SYMPOSIUM ON PERSONAL INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC) | 2012年
关键词：
Communication systems; phase error; physical-layer network coding (PNC); symbol error rate (SER) analysis; wireless networks; WIRELESS; CHANNEL;
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：
Recent theoretical studies of physical-layer network coding (PNC) show much interest on high-level modulation, such as M-ary quadrature amplitude modulation (M-QAM), and most related works are based on the assumption of phase synchrony. The possible presence of synchronization error and channel estimation error highlight the demand of analyzing the symbol error rate (SER) performance of PNC under different phase errors. Assuming synchronization and a general constellation mapping method, which maps the superposed signal into a set of M coded symbols, in this paper, we analytically derive the SER for M-QAM modulated PNC under different phase errors. We obtain an approximation of SER for general M-QAM modulations, as well as exact SER for quadrature phase-shift keying (QPSK), i.e. 4-QAM. Afterwards, theoretical results are verified by Monte Carlo simulations. The results in this paper can be used as benchmarks for designing practical systems supporting PNC.
引用
收藏
页码：2003 / 2008
页数：6
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