Performance of Joint Source-Channel Coding Based on Protograph LDPC Codes over Rayleigh Fading Channels

被引：24
|
作者：
Wu, Huihui [1 ]
Wang, Lin [1 ]
Hong, Shaohua [1 ]
He, Jiguang [2 ]
机构：
[1] Xiamen Univ, Dept Commun Engn, Xiamen 361005, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2014年 / 18卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Joint source-channel coding ([!text type='JS']JS[!/text]CC); joint PEXIT analysis; source statistics; receive antenna diversity; Rayleigh fading channels; PARITY-CHECK CODES;
D O I：
10.1109/LCOMM.2014.022714.140112
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter presents a joint protograph extrinsic information transfer (PEXIT) analysis for joint source and channel coding (JSCC) with double protograph-based low-density parity-check (DP LDPC) codes over single-input multiple-output (SIMO) Rayleigh fading channels. The impacts of source statistics and receive antenna diversity on convergence performance for the JSCC are investigated, and we find that source sparsity plays a more vital role than diversity orders in improving both convergence and error performances under fading environments.
引用
收藏
页码：652 / 655
页数：4
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