Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61417
Title: Rate-compatible root-protograph LDPC codes for quasi-static fading relay channels
Authors: Fang, Y
Guan, YL
Bi, G
Wang, L
Lau, FCM 
Keywords: Coded cooperation (CC)
Extrinsic information transfer (EXIT)
Outage probability
Protograph LDPC codes
Quasi-static fading (QSF) channels
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on vehicular technology, 2016, v. 65, no. 4, 7080854, p. 2741-2747 How to cite?
Journal: IEEE transactions on vehicular technology 
Abstract: We investigate the protograph low-density parity-check (LDPC) codes over quasi-static fading (QSF) relay channels with coded cooperation (CC) in this paper. A new construction method is proposed for designing the full-diversity rate-compatible root-protograph (RCRP) codes for such a relaying protocol. The asymptotic word error rate (WER) and bit error rate (BER) of the RCRP codes are analyzed by exploiting a new protograph extrinsic information transfer (PEXIT) algorithm. Furthermore, the expression of outage probability is also developed to characterize the error performance of RCRP codes. Both theoretical and simulated results suggest that the RCRP codes not only outperform the conventional regular rate-compatible protograph (RCP) codes in terms of error performance with code rates ranging from 0 to 1/2 but approach the outage limit as well.
URI: http://hdl.handle.net/10397/61417
ISSN: 0018-9545
EISSN: 1939-9359
DOI: 10.1109/TVT.2015.2420570
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