Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 749-753 |
| Number of pages | 5 |
| Journal | IEEE Communications Letters |
| Volume | 28 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Apr 2024 |
Keywords
- Double-protograph-based LDPC code
- JSCC
- spatially-coupled double-protograph-based LDPC code
ASJC Scopus subject areas
- Modelling and Simulation
- Computer Science Applications
- Electrical and Electronic Engineering
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