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|Title:||Performance analysis of multiple-input multiple-output orthogonal frequency division multiplexing systems under the influence of antenna mutual coupling effect|
|Citation:||Lu, S., Hui, H.T., Bialkowski, M. (2009). Performance analysis of multiple-input multiple-output orthogonal frequency division multiplexing systems under the influence of antenna mutual coupling effect. IET Microwaves, Antennas and Propagation 3 (2) : 288-295. ScholarBank@NUS Repository. https://doi.org/10.1049/iet-map:20070302|
|Abstract:||The effect of antenna mutual coupling on signal correlation and bit error rate (BER) of a multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system has been modelled. A MIMO-OFDM model with correlated channels is presented. The correlation matrices are determined with the antenna mutual coupling taken into account. The effect of antenna mutual coupling is characterised using the receiving and transmitting mutual impedances. A rigorous expression for the BER of the system employing quadrature phase-shift keying digital modulation is derived. A 2×2 MIMO-OFDM system using the Alamouti space-time block code for OFDM symbol transmission over 64 sub-channels spanning a 20MHz band centred at 5.2GHz is simulated. The simulated results show that the antenna mutual coupling has a significant effect on the BER performance, especially when the spacing between the antenna elements is small. © 2009 The Institution of Engineering and Technology.|
|Source Title:||IET Microwaves, Antennas and Propagation|
|Appears in Collections:||Staff Publications|
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