Design of Joint Source-Channel Coding Scheme Based on Spatially-Coupled DP-LDPC Codes

In this letter, we propose a novel joint source-channel code (JSCC) called spatially-coupled double-protograph-based low-density parity-check (SC-DP-LDPC) code. The SC-DP-LDPC code consists of a source spatially-coupled protograph-based low-density parity-check (SC-P-LDPC) code and a channel SC-P-LD...

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Vydáno v:IEEE communications letters Ročník 28; číslo 4; s. 749 - 753
Hlavní autoři: Zhan, Jia, Lau, Francis C. M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.04.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Block codes
Codes
Decoding
Double-protograph-based LDPC code
Encoding
Error correcting codes
Joining
Joining processes
JSCC
Parity
Parity check codes
spatially-coupled double-protograph-based LDPC code
Symbols
ISSN:1089-7798, 1558-2558
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Popis
Shrnutí:In this letter, we propose a novel joint source-channel code (JSCC) called spatially-coupled double-protograph-based low-density parity-check (SC-DP-LDPC) code. The SC-DP-LDPC code consists of a source spatially-coupled protograph-based low-density parity-check (SC-P-LDPC) code and a channel SC-P-LDPC code. Moreover, the two corresponding protomatrices are connected by a spatially-coupled source-check-channel-variable (SC-SCCV) linking protomatrix. Theoretical and simulation results show that the SC-DP-LDPC codes outperform JSCC systems based on state-of-the-art double protograph-based LDPC block codes or concatenated spatially-coupled LDPC codes.
Bibliografie:ObjectType-Article-1
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2024.3368223