Performance Analysis of V-BLAST System over Correlated Rayleigh Fading Channel

doi:10.13190/jbupt.200606.134.250

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (6): 134-138.doi: 10.13190/jbupt.200606.134.250

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Performance Analysis of V-BLAST System over Correlated Rayleigh Fading Channel

LIU Hai-tao 1,2 , LI Dong-xia 2 , WANG Jing 1, LI Dao-ben 1

1. School of Information Engineering, Beijing University of Post and Telecommunications, Beijing 100876 China; 2. Department of Communications Engineering, Civil Aviation University of China, Tianjin 300300, China

Received:2005-09-02 Revised:1900-01-01 Online:2006-12-30 Published:2006-12-30
Contact: LIU Hai-tao

Abstract

Abstract:

The performance of vertical bell labs layered space-time (V-BLAST) over receive correlated Rayleigh fading channel is investigated. The squared Euclidean distance is observed to be the sum of weighted-chi-squared-distributed random variable. Based on the observation, a new exact expression of the pairwise error probability (PEP) is presented . The asymptotic result of the PEP for high signal-to-noise ration (SNR) is used to quantify the loss of the diversity order and the penalty of SNR. It is shown that the loss of diversity order equals to the difference of the number of receiver antennas and the rank of receive correlation matrix, and, under that assumption that the receive correlation matrix has full rank, the penalty of SNR is jointly determined by the determinant of the receive correlation matrix and the number of receive antennas. Simulation results are given to corroborate the theoretical analysis.

Key words: pairwise error probability, receive correlated fading, vertical bell labs layered space-time, multiple-input multiple-output

CLC Number:

TN911.22

LIU Hai-tao 1,2 , LI Dong-xia 2 , WANG Jing 1, LI Dao-ben 1. Performance Analysis of V-BLAST System over Correlated Rayleigh Fading Channel[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(6): 134-138.

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Performance Analysis of V-BLAST System over Correlated Rayleigh Fading Channel

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