SHERP

Downlink beamforming for other-cell interference mitigation in correlated MISO channels

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Authors
Lee, Keon-Wook; Ko, Jae-Yun; Lee, Yong-Hwan
Issue Date
2007-04
Citation
European Wireless 2007
Keywords
Other-cell InterferenceMitigationCorrelatedMISODownlink Beamforming
Abstract
In this paper, we consider a multi-antenna technique
that can mitigate other cell interference (OCI) in correlated
multiple-input single-output (MISO) cellular environments. By
exploiting the spatial channel information with adjacent cells, the
proposed scheme generates a beamforming weight that yields less
interference to other users in the adjacent cells, while increasing
the signal power to the target user. To reduce the implementation
complexity, we consider the sharing of channel information with a
minimum number of adjacent cells. Finally, the performance of
the proposed scheme is verified by computer simulation. The
simulation results show that the proposed scheme provides
noticeable performance improvement particularly in high spatial
correlation environments.
Language
English
URI
http://www.ew2007.org

http://www.ew2007.org/papers/1569014811.pdf

http://hdl.handle.net/10371/7118
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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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