Bit error rate approximation of MIMO-OFDM systems with carrier frequency offset and channel estimation errors

Authors:
Zhongshan Zhang;Lu Zhang;Mingli You;Ming Lei
Affiliations:
Department of Wireless Communications, NEC Laboratories China, Beijing, China;Research & Innovation Center, Alcatel-Lucent Shanghai Bell, Shanghai, China;Research & Innovation Center, Alcatel-Lucent Shanghai Bell, Shanghai, China;Department of Wireless Communications, NEC Laboratories China, Beijing, China
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2010

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Abstract

The bit error rate (BER) of multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems with carrier frequency offset and channel estimation errors is analyzed in this paper. Intercarrier interference (ICI) and interantenna interference (IAI) due to the residual frequency offsets are analyzed, and the average signal-to-interference-and-noise ratio (SINR) is derived. The BER of equal gain combining (EGC) and maximal ratio combining (MRC) with MIMO-OFDM is also derived. The simulation results demonstrate the accuracy of the theoretical analysis.