Transmit beamforming for quasi-orthogonal space–time coded system in rayleigh fading environments

Authors:
Qin Tao;Chao Luo;Ping'an Li
Affiliations:
Wuhan University of Technology, Wuhan, China;Wuhan University of Technology, Wuhan, China;Wuhan University of Technology, Wuhan, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

Citing 4
Cited 0

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Abstract

In this paper, a beamforming scheme combined with quasi-orthogonal space-time block codes (QOSTBC) is proposed. At the transmitter, quasi-orthogonal space-time block coding signals is transmitted by using four independent transmit beams. As the receiver, a pairwise decoding algorithm is employed. A flat Rayleigh fading channel model is used in the simulations to compare performance of the proposed scheme with the traditional quasi-orthogonal space-time block codes approach where four independent transmit antennas are used.