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Correlation-Based Cooperative User Scheduling in the Uplink of Cellular Systems
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- Authors
- Issue Date
- 2008-06
- Citation
- ICDT '08. The Third International Conference on Digital Telecommunications, pp. 94-98, 2008
- Keywords
- correlation ; cooperative ; user 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
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