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：
加拿大自然科学与工程研究理事会; 瑞典研究理事会;
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
收藏
页码：249 / 252
页数：4
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