Distributed Joint Source-Channel Coding Using Quasi-Uniform Systematic Polar Codes

This paper proposes a distributed joint source-channel coding (DJSCC) scheme using polar-like codes. In the proposed scheme, each distributed source encodes source message with a quasi-uniform systematic polar code (QSPC) or a punctured QSPC, and only transmits parity bits over its independent chann...

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Veröffentlicht in:Entropy (Basel, Switzerland) Jg. 20; H. 10; S. 806
Hauptverfasser: Jin, Liqiang, Yang, Hongwen
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Basel MDPI AG 22.10.2018
MDPI
Schlagworte:
Codes
Coding
correlated sources
Data compression
distributed joint source-channel coding
Information theory
Low density parity check codes
noisy independent channels
quasi-uniform systematic polar codes
Beijing China
United States > US
ISSN:1099-4300, 1099-4300
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:This paper proposes a distributed joint source-channel coding (DJSCC) scheme using polar-like codes. In the proposed scheme, each distributed source encodes source message with a quasi-uniform systematic polar code (QSPC) or a punctured QSPC, and only transmits parity bits over its independent channel. These systematic codes play the role of both source compression and error protection. For the infinite code-length, we show that the proposed scheme approaches the information-theoretical limit by the technique of joint source-channel polarization with side information. For the finite code-length, the simulation results verify that the proposed scheme outperforms the distributed separate source-channel coding (DSSCC) scheme using polar codes and the DJSCC scheme using classic systematic polar codes.
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ISSN:1099-4300
1099-4300
DOI:10.3390/e20100806