Rate-compatible punctured DVB-S2 LDPC codes for DVB-SH applications

In this paper, we present and analyze three padding and puncturing schemes for DVB-S2 low-density parity-check (LDPC) codes, in order to obtain coding rates equivalent to DVB-SH specification (2/3, 1/2, 2/5, 1/3, 2/7, 1/4, 2/9 and 1/5). We compare the performance of punctured DVB-S2 LDPC codes again...

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Bibliographic Details
Main Authors: Smolnikar, M., Javornik, T., Mohorcic, M., Papaharalabos, S., Mathiopoulos, P.T.
Format: Conference Proceeding
Language:English
Subjects:
Bit error rate
Code standards
Decoding
Digital video broadcasting
DVB-S2 standard
DVB-SH standard
Error analysis
Forward error correction
irregular repeat-accumulate (IRA) codes
low-density parity-check (LDPC) codes
padding
Parity check codes
puncturing
rate-compatible
Satellite broadcasting
Sparse matrices
Turbo codes
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Summary:In this paper, we present and analyze three padding and puncturing schemes for DVB-S2 low-density parity-check (LDPC) codes, in order to obtain coding rates equivalent to DVB-SH specification (2/3, 1/2, 2/5, 1/3, 2/7, 1/4, 2/9 and 1/5). We compare the performance of punctured DVB-S2 LDPC codes against the 3GPP2 turbo codes. Simulation results for bit error rate (BER) and frame error rate (FER) show that the proposed coding schemes exhibit 0.5 dB to 0.75 dB penalty loss compared to 3GPP2 codes. The codes with random and deliberate puncturing show nearly the same performance in AWGN channel, while the optimal puncturing shows 0.2 dB better performance.
DOI:10.1109/IWSSC.2009.5286434