AMP Dual-Turbo Iterative Detection and Decoding for LDPC Coded Multibeam MSC Uplink

被引：4
|
作者：
Yang, Yang [1 ]
Wang, Wenjing [1 ]
Gao, Xiqi [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
来源：
CHINA COMMUNICATIONS | 2018年 / 15卷 / 06期
基金：
中国国家自然科学基金;
关键词：
multibeam mobile satellite communication; approximate message passing; turbo iterative detection and decoding;
D O I：
10.1109/CC.2018.8398514
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The uplink of mobile satellite communication (MSC) system with hundreds of spot beams is essentially a multiple-input multiple-output (MIMO) channel. Dual-turbo iterative detection and decoding as a kind of MIMO receiver, which exchanges soft extrinsic information between a soft-in soft-out (SISO) detector and an SISO decoder in an iterative fashion, is an efficient method to reduce the uplink inter-beam-interference (IBI), and so the receiving bit error rate (BER).We propose to replace the linear SISO detector of traditional dual-turbo iterative detection and decoding with the AMP detector for the low-density parity-check (LDPC) coded multibeam MSC uplink. This improvement can reduce the computational complexity and achieve much lower BER.
引用
收藏
页码：178 / 186
页数：9
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