Tikhonov Sum Approach for Joint Carrier Phase Estimation and Decoding in Frequency-hopping Communications

被引：0
|
作者：
Yin, Yue [1 ]
Wu, Sheng [2 ,3 ]
Kuang, Linling [2 ,3 ]
Ni, Zuyao [2 ]
机构：
[1] Tsinghua Univ, Dept Aerosp Engn, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Tsinghua Space Ctr, Beijing 100084, Peoples R China
[3] Shenzhen Key Lab Wireless Broadband Commun & Sign, Shenzhen 518057, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS & SIGNAL PROCESSING (WCSP) | 2015年
关键词：
Frequency-hopping; phase noise; sum-product algorithm; iterative detection and decoding; Tikhonov;
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, we consider the problem of carrier phase estimation for an M-ary phase shift keying modulated frequency-hopping system affected by strong phase noise. An improved joint detection and decoding algorithm is presented based on the factor graph and sum-product algorithm framework. The messages on the factor graph are approximated into the sums of multiple Tikhonov distributions. Numerical results demonstrate that the proposed algorithm yields a very good performance in low signal-to-noise ratio while holding a relative low computational complexity compared with the existing ones.
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页数：5
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