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Performance Analysis for LDPC-Coded Modulation in MIMO Multiple-Access Systems

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2 Author(s)
Jianming Wu ; Electr. & Comput. Eng. Dept., Univ. of Pittsburgh, Pittsburgh, PA ; Heung-No Lee

We consider a low-density parity-check (LDPC)-coded modulation scheme in multi-input multi-output (MIMO) multiple-access systems. The receiver can be regarded as a serially concatenated iterative detection and decoding scheme, where the LDPC decoders perform the role of outer decoder and the multiuser demapper does that of the inner decoder. In this paper, we investigate the performance of the scheme with simulation results and bounds. Union upper bounds are derived, which can be used as additional means to evaluate the performance of the MIMO multiple-access system.

Published in:

IEEE Transactions on Communications  (Volume:55 ,  Issue: 7 )