Analysis on Performance of MIMO-OFDM Systems in Presence of Channel Estimation Error over Double-Selective Rayleigh Channels

doi:10.13190/jbupt.201201.107.lijh

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2012, Vol. 35 ›› Issue (1): 107-110.doi: 10.13190/jbupt.201201.107.lijh

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Analysis on Performance of MIMO-OFDM Systems in Presence of Channel Estimation Error over Double-Selective Rayleigh Channels

Key Laboratory of Universal Wireless Communications (Beijing University of Posts and Telecommunications), Ministry of Education, Beijing 100876, China

Received:2011-10-18 Revised:2011-10-19 Online:2012-02-28 Published:2012-01-05

Abstract

Abstract:

The multiple-input multiple-output-orthogonal frequency division multiplexing (MIMO-OFDM) system can be impaired by channels estimation error over double selective (time varying and frequency selective) Rayleigh channels. The performance for MIMO-OFDM systems in presence of channels estimation error is investigated using zero-forcing detectors over double selective Rayleigh channels. Approximation to the distribution of complex Wishart distribution is used to derive probability density function of signal-to-interference-plus-noise ratio, average error probability and outage probability of the system. The analysis is shown good by numerical simulations.
Key words

Key words: multiple-input multiple-output-orthogonal frequency division multiplexing, Wishart distribution, channels estimation error

CLC Number:

TN929.5

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Analysis on Performance of MIMO-OFDM Systems in Presence of Channel Estimation Error over Double-Selective Rayleigh Channels

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