Convergence Speed Analysis of Layered Decoding of Block-Type LDPC Codes

Jang, Min-Ho; Shin, Beomkyu; Park, Woo-Myoung; No, Jong-Seon; Shin, Dong-Joon

doi:10.1587/transcom.E92.B.2484

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Convergence Speed Analysis of Layered Decoding of Block-Type LDPC Codes

Jang, Min-Ho;
Shin, Beomkyu;
Park, Woo-Myoung;
No, Jong-Seon;
Shin, Dong-Joon

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초록

In this letter, we analyze the convergence speed of layered decoding of block-type low-density parity-check codes and verify that the layered decoding gives faster convergence speed than the sequential decoding with randomly selected check node Subsets. Also, it is shown that using more subsets than the maximum variable node degree does not improve the convergence speed.

키워드

block-type low-density parity-check (B-LDPC) codes; convergence speed; density evolution; layered decoding; Decoding; Satellite communication systems; Speed; Codes (symbols); Block-type LDPC code; Convergence speed; Density evolution; Faster convergence; Layered decoding; Low density parity check; Low-density parity-check (LDPC) codes; Node degree

제목: Convergence Speed Analysis of Layered Decoding of Block-Type LDPC Codes

저자: Jang, Min-Ho; Shin, Beomkyu; Park, Woo-Myoung; No, Jong-Seon; Shin, Dong-Joon

DOI: 10.1587/transcom.E92.B.2484

발행일: 2009-07

유형: Article

저널명: IEICE Transactions on Communications

권: E92B

호: 7

페이지: 2484 ~ 2487

언어: ENG

출판사: IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG

발행국가: 일본

분량: 4 페이지

ISSN: E 1745-1345
P 0916-8516