Concatenated Spatially Coupled LDPC Codes for Joint Source-Channel Coding

被引：0
|
作者：
Golmohammadi, Ahmad [1 ]
Mitchell, David G. M. [1 ]
机构：
[1] New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88003 USA
来源：
2018 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2018年
基金：
美国国家科学基金会;
关键词：
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：
In this paper, a method for joint source-channel coding (JSCC) based on concatenated spatially coupled low-density parity-check (SC-LDPC) codes is investigated. A construction consisting of two SC-LDPC codes is proposed: one for source coding and the other for channel coding, with a joint belief propagation-based decoder. Also, a novel windowed decoding (WD) scheme is presented with significantly reduced latency and complexity requirements. Simulation results show a notable performance improvement compared to existing state-of-the-art JSCC schemes based on LDPC codes.
引用
收藏
页码：631 / 635
页数：5
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