Joint Serially Concatenated Continuous Phase Modulation and Physical-layer Network Coding

被引：0
|
作者：
Sha, Nan [1 ]
Gao, Yuanyuan [1 ]
Yi, Xiaoxin [1 ]
Li, Wenlong [1 ]
Long, Yanshan [1 ]
机构：
[1] PLA Univ Sci & Technol, Coll Commun Engn, Nanjing, Jiangsu, Peoples R China
来源：
2014 4TH IEEE INTERNATIONAL CONFERENCE ON INFORMATION SCIENCE AND TECHNOLOGY (ICIST) | 2014年
关键词：
Physical-layer network coding; continuous phase modulation; soft input soft output; iterative decoding;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a joint physical-layer network coding (PNC) and serially concatenated continuous phase modulation (SCCPM) scheme in a two-way relay (TWR) channel. This proposed scheme can be viewed as a serial concatenated codes (SCCs) scheme in which the joint CPM and PNC is the inner code and the convolutional code (CC) is the outer code. It aims to improve the spectral efficiency, error performance and power efficiency of the PNC system by utilizing the technical advantage of CPM and SCCs. An iterative decoding algorithm for the relay receiver over AWGN channels is investigated. Emphasis is put on the extrinsic logarithmic likelihood ratios (LLRs) of the XORed codewords generated by the soft input soft output (SISO) inner decoder. Simulation results are also provided to show the error performance of the joint scheme.
引用
收藏
页码：506 / 509
页数：4
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