Low-Delay Joint Source-Channel Mappings for the Gaussian MAC

被引：18

作者：

Kron, Johannes ^{[1
]}

Alajaji, Fady ^{[2
]}

Skoglund, Mikael ^{[1
]}

机构：

[1] Royal Inst Technol KTH, Sch Elect Engn, Stockholm, Sweden

[2] Queens Univ, Dept Math & Stat, Kingston, ON K7L 3N6, Canada

来源：

IEEE COMMUNICATIONS LETTERS | 2014年 / 18卷 / 02期

基金：

瑞典研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

Joint source-channel coding; low-delay transmission; multi-terminal source coding; Gaussian multiple-access channel; correlated sources; mean square error; QUANTIZER DESIGN; NOISY CHANNELS; CEO PROBLEM; CODES;

D O I：

10.1109/LCOMM.2013.120413.132088

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The bivariate Gaussian multiterminal source coding problem with transmission over the Gaussian multiple-access channel is studied. We propose the use of low-delay joint source-channel mappings and show how performance saturation, which is unavoidable with linear transmission, can be overcome by optimizing the mappings. The optimized mappings are in general nonlinear and perform a combination of hard and soft decision signaling for the error-resilient transmission of analog data.

引用

页码：249 / 252

页数：4

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