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Quasi-Cyclic Low-Density Parity-Check Codes for Space-Time Bit-Interleaved Coded Modulation

Authors
Hong, Song-NamKim, SunghwanShin, Dong-JoonLee, Inkyu
Issue Date
10월-2008
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Quasi-cyclic low-density parity-check (QC-LDPC) codes; space-time bit-interleaved coded modulation (ST-BICM); diversity order
Citation
IEEE COMMUNICATIONS LETTERS, v.12, no.10, pp.767 - 769
Indexed
SCIE
SCOPUS
Journal Title
IEEE COMMUNICATIONS LETTERS
Volume
12
Number
10
Start Page
767
End Page
769
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/122636
DOI
10.1109/LCOMM.2008.080902
ISSN
1089-7798
Abstract
In this letter, it is shown that the diversity order of space-time bit-interleaved coded modulation (ST-BICM) system is determined by the number of submatrices having linearly independent column vectors in a parity-check matrix of quasicyclic low-density parity-check (QC-LDPC) code. It is also proved that this diversity order can be derived from the base matrix of QC-LDPC code, which can make it easy to design QC-LDPC codes suitable for ST-BICM systems. Finally, the simulation results are provided to confirm the analytical results.
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