Continuous BP decoding algorithm for a low-density parity-check coded hybrid ARQ system

Sangjoon Park; Sooyong Choi; Seung Hoon Hwang

doi:10.1587/transcom.E93.B.993

Continuous BP decoding algorithm for a low-density parity-check coded hybrid ARQ system

Sangjoon Park, Sooyong Choi, Seung Hoon Hwang

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A continuous belief propagation (BP) decoding algorithm for a hybrid automatic repeat request (ARQ) system is proposed in this paper. The proposed continuous BP decoding algorithm utilizes the extrinsic information generated in the last iteration of the previous transmission for a continuous progression of the decoding through retransmissions. This allows the continuous BP decoding algorithm to accelerate the decoding convergence for codeword determination, especially when the number of retransmissions is large or a currently combined packet has punctured nodes. Simulation results verify the effectiveness of the proposed continuous BP decoding algorithm.

Original language	English
Pages (from-to)	993-996
Number of pages	4
Journal	IEICE Transactions on Communications
Volume	E93-B
Issue number	4
DOIs	https://doi.org/10.1587/transcom.E93.B.993
Publication status	Published - 2010

All Science Journal Classification (ASJC) codes

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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abstract = "A continuous belief propagation (BP) decoding algorithm for a hybrid automatic repeat request (ARQ) system is proposed in this paper. The proposed continuous BP decoding algorithm utilizes the extrinsic information generated in the last iteration of the previous transmission for a continuous progression of the decoding through retransmissions. This allows the continuous BP decoding algorithm to accelerate the decoding convergence for codeword determination, especially when the number of retransmissions is large or a currently combined packet has punctured nodes. Simulation results verify the effectiveness of the proposed continuous BP decoding algorithm.",

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AB - A continuous belief propagation (BP) decoding algorithm for a hybrid automatic repeat request (ARQ) system is proposed in this paper. The proposed continuous BP decoding algorithm utilizes the extrinsic information generated in the last iteration of the previous transmission for a continuous progression of the decoding through retransmissions. This allows the continuous BP decoding algorithm to accelerate the decoding convergence for codeword determination, especially when the number of retransmissions is large or a currently combined packet has punctured nodes. Simulation results verify the effectiveness of the proposed continuous BP decoding algorithm.

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Continuous BP decoding algorithm for a low-density parity-check coded hybrid ARQ system

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