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Performance Analysis of a New MIMO Transmit Scheme

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4 Author(s)
Zhou Lin ; Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol. ; Guangxi Zhu ; Xiao Xiao ; Liu Jian

In order to improve system performance and reduce receiver hardware complexity and cost, we investigate a new multiple-input multiple-output (MIMO) scheme combining maximal-ratio transmit and receiver antenna selection combining (the MRT/RAS scheme). In this scheme, a single receive antenna, which maximizes the received signal-to-noise (SNR) at the receiver, is selected for demodulation. The closed-form outage probability and the bit error rate (BER) of the MRT/RAS system are presented. The simulation demonstrates that the MRT/RAS scheme can achieve a full diversity order, as if all the receive antennas were used. It is shown that the TAS/MRC scheme outperforms some more complex space-time codes of the same spectral efficiency. The analytical results are verified by simulation

Published in:

Wireless Communications, Networking and Mobile Computing, 2006. WiCOM 2006.International Conference on

Date of Conference:

22-24 Sept. 2006