Turbo coding applied to pragmatic trellis-coded modulation

被引：5

作者：

Wahlen, BE ^{[1
]}

Mai, CY ^{[1
]}

机构：

[1] Space & Naval Warfare Syst Ctr, San Diego, CA 92152 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2000年 / 4卷 / 02期

关键词：

parallel concatenated trellis-coded modulation; pragmatic trellis-coded modulation; turbo code;

D O I：

10.1109/4234.824758

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This letter reports the application of the powerful turbo coding technique combined with the bandwidth efficient method known as trellis-coded modulation (TCM), Implemented as a simple modification of pragmatic TCM, our turbo-coded pragmatic TCM system achieved coding gains of 1-2 dB in simulations relative to pragmatic TCM, These gains were achieved with comparable complexity but greater delay than with pragmatic TCM. A table of delay as a function of interleaver length and data rate is provided as a preliminary analysis of the trade-off between the benefits of large coding gain and the costs of increased delay.

引用

页码：65 / 67

页数：3

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