Efficient utilization of rateless LDPC codes for satellite broadcasting services

This paper proposes an efficient rateless low-density parity check (LDPC) codes for satellite broadcasting system. The proposed scheme uses the conventional LDPC codes specified in recent digital video broadcasting via satellite (DVB-S) standards, and concatenate them with Luby transform (LT)-like c...

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Published in:International Conference on Wireless Communications and Signal Processing pp. 1 - 5
Main Authors: Meixiang Zhang, Chunxiao Li, Sooyoung Kim
Format: Conference Proceeding
Language:English
Published: IEEE 01.10.2016
Subjects:
Decoding
Digital video broadcasting
HARQ
Iterative decoding
LDPC codes
rate-compatible
rateless codes
Redundancy
Satellite broadcasting
Satellites
ISSN:2472-7628
Online Access:Get full text
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Abstract This paper proposes an efficient rateless low-density parity check (LDPC) codes for satellite broadcasting system. The proposed scheme uses the conventional LDPC codes specified in recent digital video broadcasting via satellite (DVB-S) standards, and concatenate them with Luby transform (LT)-like codes in order to form systematic rateless codes. In this way, redundant parities can be made at the transmitter and re-transmitted whenever decoding of the conventional LDPC codes is failed. We also present a compact joint iterative decoding algorithm for the proposed rateless LDPC codes. As an application example of the proposed codes, hybrid automatic repeat request (HARQ) scheme for the satellite system is introduced. The simulation results investigated in this paper reveal that the proposed rateless LDPC code can provide performance enhancement over the conventional LDPC codes. We can expect that the proposed code can be effectively utilized in the satellite system.
AbstractList This paper proposes an efficient rateless low-density parity check (LDPC) codes for satellite broadcasting system. The proposed scheme uses the conventional LDPC codes specified in recent digital video broadcasting via satellite (DVB-S) standards, and concatenate them with Luby transform (LT)-like codes in order to form systematic rateless codes. In this way, redundant parities can be made at the transmitter and re-transmitted whenever decoding of the conventional LDPC codes is failed. We also present a compact joint iterative decoding algorithm for the proposed rateless LDPC codes. As an application example of the proposed codes, hybrid automatic repeat request (HARQ) scheme for the satellite system is introduced. The simulation results investigated in this paper reveal that the proposed rateless LDPC code can provide performance enhancement over the conventional LDPC codes. We can expect that the proposed code can be effectively utilized in the satellite system.
Author Meixiang Zhang
Sooyoung Kim
Chunxiao Li
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  surname: Meixiang Zhang
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  surname: Chunxiao Li
  fullname: Chunxiao Li
  email: licx@yzu.edu.cn
  organization: Yangzhou Univ., Yangzhou, China
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  surname: Sooyoung Kim
  fullname: Sooyoung Kim
  email: sookim@jbnu.ac.kr
  organization: Chonbuk Nat. Univ., Jeonju, South Korea
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Snippet This paper proposes an efficient rateless low-density parity check (LDPC) codes for satellite broadcasting system. The proposed scheme uses the conventional...
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SubjectTerms Decoding
Digital video broadcasting
HARQ
Iterative decoding
LDPC codes
rate-compatible
rateless codes
Redundancy
Satellite broadcasting
Satellites
Title Efficient utilization of rateless LDPC codes for satellite broadcasting services
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