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| We propose a suboptimal joint demodulation decoding (JDD) algorithm for multiple-input, multiple-output (MIMO) channels. Compared with the optimal JDD, our algorithm can decrease the computational complexity significantly in the large number of transmit antennas, thus offering favorable performance/complexity characteristics. Computer simulation results are provided to compare the performance of the optimal JDD, suboptimal JDD, and the conventional separable soft-input soft-output demodulation decoding (SSDD). |
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| Keywords:MIMO, low-density parity-check (LDPC) codes, joint demodulation decoding (JDD) |
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