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Performance Analysis of MRT and Transmit Antenna Selection with Feedback Delay and Channel Estimation Error

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2 Author(s)
Shengqian Han ; Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing ; Chenyang Yang

In this paper, we investigate the performance of four closed-loop multiple-input multiple-output (MIMO) schemes with channel state information (CSI) feedback delay and channel estimation error. These schemes are conventional maximal ratio transmission scheme (C-MRT), improved MRT (I-MRT), conventional transmit antenna selection with space-time block code scheme (C-TAS/STBQ) and improved TAS/STBC (I-TAS/STBC). Exact bit error rate (BER) expressions of C-MRT and C-TAS/STBC and approximate BER expressions of I-MRT and I-TAS/STBC for two specific scenarios are derived for binary phase shift keying (BPSK) modulation. The performance of the schemes with CSI feedback delay and channel estimation error are validated and compared with each other by numerical and simulation results.

Published in:

2007 IEEE Wireless Communications and Networking Conference

Date of Conference:

11-15 March 2007