Iterative EP Detection and Decoding of Polar-Coded MIMO Systems

被引：4
|
作者：
Liu, Yating [1 ,2 ]
Shen, Yifei [1 ,2 ]
Zhou, Wenyue [1 ,2 ]
Tan, Xiaosi [1 ,2 ]
You, Xiaohu [1 ,2 ]
Zhang, Chuan [1 ,2 ]
机构：
[1] Southeast Univ, Frontiers Sci Ctr Mobile Informat Commun & Secur, Natl Mobile Commun Res Lab, LEADS, Nanjing 211189, Peoples R China
[2] Purple Mt Labs, Nanjing 211189, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2023年 / 27卷 / 04期
基金：
国家重点研发计划;
关键词：
Detectors; Symbols; MIMO communication; Iterative decoding; Decoding; Receivers; Iterative methods; Expectation propagation (EP); iterative detection and decoding (IDD); linear programming (LP); polar codes;
D O I：
10.1109/LCOMM.2023.3238893
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Channel coding and multiple-input multiple-output (MIMO) antennas are two key technologies in the modern communication system. For MIMO detection, the expectation propagation (EP) detector has been proved to outperform classical and advanced solutions. Merging with the parity constraints of channel coding, a novel EP detection with linear programming (LP), named EPLP, is proposed to change the common initialization that the symbols are equiprobable by formulating an LP optimization problem. Furthermore, we apply the EPLP detector to a polar-coded MIMO system with an iterative detection and decoding (IDD) scheme. For a (128, 64) polar-coded 16 x 16 QPSK configuration, the EPLP outperforms the state-of-the-art detectors by 1 dB at the bit error rate of 10(-3) and the IDD scheme with the EPLP achieves 0.5 dB gain at the frame error rate of 10(-5) with a reduced number of EP iterations.
引用
收藏
页码：1075 / 1079
页数：5
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