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Sphere decoding (SD) is an efficient algorithm for Multiple-input Multiple-output (MIMO) digital communications. It has been showed to achieve near Maximum Likelihood (ML) performance with low complexity. However, the complexity of conventional SD algorithm is high under the specific environment. The performance and the computation complexity of SD algorithm is highly dependent on the initial choice...
Sphere decoding(SD)is an efficient algorithm which has been proposed in Multiple input Multiple output (MIMO) digital communication. Sphere decoding algorithm is based on the rule of maximum likelihood decoding algorithm, But SD algorithm does not like ML algorithm to retrieve all of the lattice. However, SD in some environment complexity is very high. The complexity of the SD is controlled by radius...
Bit-interleaved coded modulation with iterative decoding (BICM-ID) can achieve better performance than BICM in both AWGN and Rayleigh fading channels because of the feedback algorithm. However, some existing decoding schemes in BICM-ID cannot perform well in both computational complexity and decoding performance. The Max-Log-MAP algorithm has lower computational complexity with worse decoding performance...
Bit-interleaved coded modulation with iterative decoding (BICM-ID), which can improve the BER performance within limited bandwidth, is getting growing international attention. Symbol mapping, defined by the signal constellation and the bit labeling is the crucial design parameter to achieve a high coding gain for BICM-ID. It has been found that BICM-ID can yield a better coding gain by taking full...
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