Optimized turbo codes for delay constrained applications

被引：10

作者：

Daneshgaran, F ^{[1
]}

Mondin, M

机构：

[1] Calif State Univ Los Angeles, Dept Elect & Comp Engn, Los Angeles, CA 90032 USA

[2] Politecn Torino, Dipartimento Elettron, I-10129 Turin, Italy

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 2002年 / 48卷 / 01期

关键词：

interleavers; iterative algorithms; optimization; permutations; turbo codes;

D O I：

10.1109/18.971759

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this correspondence, we present the results of the optimization applied to the design of interleavers for rate-1/n parallel concatenated convolutional codes (PCCC) tailored to specific recursive systematic convolutional (RSC) constituent codes. The emphasis is on low-latency codes associated with interleavers of block length less than or equal to 160. The error floors of the optimized codes are significantly lower than those associated with the use of random interleavers. The distance spectra of the equivalent block codes resulting from trellis termination applied to PCCC are evaluated and used to obtain asymptotic bit error rate (BER) curves for the optimized codes.

引用

页码：293 / 305

页数：13

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