Proposal of space-time block coded cooperative wireless transmission in rayleigh fading channels

Authors:
Ho Van Khuong;Hyung-Yun Kong
Affiliations:
7-522 Department of Electrical Engineering, University of Ulsan, Ulsan, Korea;7-522 Department of Electrical Engineering, University of Ulsan, Ulsan, Korea
Venue:
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2005

Citing 4
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Abstract

Space-time block codes (STBC) are well-known for use in the co-located multi-antenna systems to combat the adverse effects of fading channel. However, their application is limited in some scenarios where users can not support multiple transmit antennas. Therefore, we propose a solution of space-time block coded cooperative transmission among single-antenna users in the multiple access wireless environments to obtain the powerful benefits of multi-antenna system without the demand for physical arrays. The closed-form BER expression was also derived and compared to the simulation results to verify the validity of the suggested method. A variety of numerical results demonstrated the superiority of cooperative transmission over direct transmission under flat Rayleigh fading channel plus AWGN (Additive White Gaussian Noise).