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In this paper, we study joint iterative data detection and channel decoding under imperfect channel state information (CSI). We apply the Markov Chain Monte Carlo technique to generate a list of channel estimates (LCE) that maximizes the a posteriori probabilities of the transmitted data, given the received signal and the soft feedback from the channel decoder. The LCE is refined over each iteration...
In this paper, we investigate the application of non- binary low density parity check (LDPC) codes over Galois field GF(q) for both single-input single-output (SISO) and multiple- input multiple-output (MIMO) fading channels using higher order modulations. As opposed to the widely studied binary systems that employ joint detection and channel decoding, we propose a nonbinary system where optimal signal...
In this paper, we investigate the application of nonbinary low density parity check (LDPC) codes over Galois field GF(q) for multiple-input multiple-output (MIMO) fading channels. Depending on the size of the Galois field GF(q), we study both iterative systems which employ joint MIMO detection and channel decoding, and non-iterative systems which employ separate MIMO detection and channel decoding...
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