Joint Source-Channel Coding for the Multiple-Access Channel with Correlated Sources

被引：0
|
作者：
Rezazadeh, Arezou [1 ]
Font-Segura, Josep [1 ]
Martinez, Alfonso [1 ]
Guillen i Fabregas, Albert [2 ,3 ]
机构：
[1] Univ Pompeu Fabra, Barcelona, Spain
[2] ICREA, Barcelona, Spain
[3] Univ Cambridge, Cambridge, England
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2019年
基金：
欧洲研究理事会;
关键词：
D O I：
10.1109/isit.2019.8849666
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper studies the random-coding exponent of joint source-channel coding for the multiple-access channel with correlated sources. For each user, by defining a threshold, the messages of each source are partitioned into two classes. The achievable exponent for correlated sources with two message-dependent input distributions for each user is determined and shown to be larger than that achieved using only one input distribution for each user. A system of equations is presented to determine the optimal thresholds maximizing the achievable exponent. The obtained exponent is compared with the one derived for the MAC with independent sources.
引用
收藏
页码：1317 / 1321
页数：5
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