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The Behaviour of Vertical Bell Laboratories Layered Space-Time Algorithm Combined With Multiuser Detection Schemes in Wireless Communication System

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Executive Summary

This paper provides the performance analysis of multiuser Vertical Bell Laboratories LAyered Space-Time (V-BLAST) system receiver structures for Multiple-Input Multiple-Output (MIMO) channel at a base station with assumption of perfect channel estimation and perfect timing delay estimation. In MIMO channels the receivers such as decorrelator, Minimum Mean Square Error (MMSE) and Multistage Parallel Interference Cancellation (MPIC) receiver outperform the conventional receiver. Withal, since the multiple antenna interference led to a strong impact on the performance degradation of a multistage interference cancellation receiver, the performance of MPIC receiver was highly degraded based on system loading.

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