SHERP

Random Beamforming in Spatially Correlated Multiuser MISO Channels

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Authors
Ko, Jae-Yun; Lee, Yong-Hwan
Issue Date
2008-09
Publisher
Institute of Electrical and Electronics Engineers
Citation
VTC 2008-Fall. IEEE 68th Vehicular Technology Conference, 2008
Keywords
random beamformingspatial correlationmultiuserMISO
Abstract
In this paper, we propose a new beamforming scheme
that generates beams by exploiting the spatial correlation in
multiuser environments. The proposed scheme generates random
beams using eigenvectors corresponding to dominant eigenvalues
of the channel covariance matrix, increasing the multiuser
diversity gain. Moreover, it can obtain an additional SNR gain by
transmitting the signal with a beam weight coherent to the
effective channel corresponding to dominant eigenvectors of the
channel covariance matrix of a selected user. Simulation results
show that the proposed scheme is quite effective in correlated
channel environments.
Language
English
URI
http://www.ieeevtc.org/vtc2008fall

http://hdl.handle.net/10371/7541
DOI
https://doi.org/10.1109/VETECF.2008.90
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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