NDLI: A low-complexity IRA-LDPC coded noncoherent unitary space-time modulation system on Rayleigh flat fading channel

Content Provider	IEEE Xplore Digital Library
Author	Li Peng Lingling Yang Qiuping Peng
Copyright Year	2011
Description	Author affiliation: Wuhan National Laboratory For Optoelectronics, Department of Electronics and Information Engineering, Huazhong University of Science and Technology, China (Li Peng; Lingling Yang; Qiuping Peng)
Abstract	This letter constructs a practical low- complexity coded modulation MIMO system which concatenates the IRA-LDPC codes based on the permutation Q-matrix with the noncoherent unitary space-time modulation (USTM) based on sine-cosine function for Rayleigh flat fading channel. In the receiver, we adopt dual detecting scheme: first relative coarse low complexity ML detect and then relative precise MAP detect with shrinking search range of constellation points. Combining the dual detecting scheme with the Belief-Propagation (BP) iterative decoding algorithm comes into being an iterative feedback demodulate-decoding system. The IRA-LDPC coded modulation system can obtain about 15 dB coding gain at $10^{−5}$ BER over the uncoded USTM system. Some results are based on simulation testing.
Starting Page	7115
Ending Page	7118
File Size	268161
Page Count	4
File Format	PDF
ISBN	9781424494361
e-ISBN	9781424494392
DOI	10.1109/MACE.2011.5988690
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coded modulation system Bit error rate Unitary space-time modulation (USTM) Complexity theory Iterative decoding Iterative feedback demodulate-decoding low-density parity-check (LDPC) codes Signal to noise ratio Demodulation
Content Type	Text
Resource Type	Article

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