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Correlation-Based Cooperative User Scheduling in the Uplink of Cellular Systems

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Authors
Oh, Dong-Chan; Lee, Jin-Woo; Lee, Yong-Hwan
Issue Date
2008-06
Citation
ICDT '08. The Third International Conference on Digital Telecommunications, pp. 94-98, 2008
Keywords
correlationcooperativeuser scheduling
Abstract
In this paper, we consider multi-user scheduling to
avoid other cell interference (OCI) in the uplink of cellular
systems. The base station (BS) determines a user group that can
minimize the interference from other cells by exploiting the
spatial correlation matrix of users from adjacent BSs. The
proposed scheme is applicable to multi-input multi-output
(MIMO) as well as single-input multi-output (SIMO)
environments by applying an eigen-beamforming technique,
enabling the use of flexible antenna structures at the transmitter.
Simulation results show that the proposed multi-cell scheduling
significantly increase the ergodic capacity by avoiding the OCI
compared to conventional scheduling schemes, particularly in
high mobility and highly correlated channel environments.
Language
English
URI
http://www.iaria.org/conferences2008/ICDT08.html

http://hdl.handle.net/10371/7583
DOI
https://doi.org/10.1109/ICDT.2008.32
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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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