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Space-time-block-coded OFDM systems with transmit beamformers for high-speed indoor wireless communications

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2 Author(s)
Kuo-Hui Li ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Ingram, M.A.

A beamforming network and several beam selection schemes are considered for the transmitter for a space-time-block-coded OFDM system in a high-speed TDMA/TDD QPSK indoor wireless network at 5.7 GHz. By simulating two statistical propagation models, we find that the proposed system with a 24-beam antenna for coherent and differential detection can gain 5 dB and 6 dB SNR improvements relative to the use of omnidirectional antennas at the transmitter, respectively, at a BER of 10/sup -5/.

Published in:

Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd  (Volume:5 )

Date of Conference:

24-28 Sept. 2000