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An adaptive partial parallel multistage detection for MIMO systems
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DOI：10.1109/TCOMM.2005.844970.png)
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摘要
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The full parallel multistage detection for multiple-input multiple-output systems has less processing delay and better performance than the vertical Bell Laboratories layered space-time detection scheme. However, due to the disadvantage of full parallel interference cancellation, its performance degrades when the received power of the substreams at one receiving antenna is unbalanced and/or when the system is heavily loaded. Therefore, we introduce adaptive partial weighting coefficients into the parallel multistage detection. The weighting coefficients are evaluated using the average decision correct probabilities in the previous stage. The simulation results show that the uncoded error probability of the proposed method is lower than that of the recently proposed full parallel multistage detection scheme with perfect or imperfect channel estimation.
Keyword:
average decision correct probabilities
multiple-input multiple-output (MIMO) systems
reliability information
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期刊
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8.3
论文数:
1.2W
被引数:
3.6W
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