Talks and Poster Presentations (with Proceedings-Entry):
M. Meidlinger, G. Matz:
"On irregular LDPC codes with quantized message passing decoding";
Poster: IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2017),
- 07-06-2017; in: "IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2017)",
Irregular low-density parity-check (LDPC) codes are among the best codes currently known. Unfortunately, the performance of existing codes may deteriorate substantially with practical finite-precision decoder implementations. This motivates us to extend our previous work on finite-alphabet decoders based on look-up tables (LUTs) to irregular LDPC codes. We devise a joint design of the LUTs used for different node degrees and present a strategy to optimize the degree distribution (DD) of the LDPC code under LUT decoding. Numerical simulations show that with 4-bit LUT decoding the resulting codes outperform state-of-the-art codes with floating point min-sum (MS) decoding.
LDPC; channel coding; iterative decoding
Electronic version of the publication:
Created from the Publication Database of the Vienna University of Technology.