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Coordinated Beamforming with Limited BS Cooperation for Multicell Multiuser MIMO Broadcast Channel
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- Authors
- Issue Date
- 2009-04-29
- Citation
- The 69th IEEE Vehicular Technology Conference (VTC2009-Spring)
- Keywords
- co-channel interference ; interference suppression ; BS cooperation ; multiuser MIMO systetms
- Abstract
- The capacity of downlink multi-input multi-output (MIMO) systems is significantly
limited by inter-cell co-channel interference (CCI). Improving the erformance of cell edge users who suffers strong inter-cell CCI is still a crucial issue. In this paper, coordinated beamforming (CBF)lgorithm for multicell multiuser MIMO system is proposed to cope with the presence of intel-cell CCI. In multicell environment with MIMO channel, limited base station (BS) cooperation is considered to design
optimal transmit and receive beamformers which make interference-free at the receiver. Simulation results show that the
proposed algorithms can improve the capacity of cell edge user effectively as well as the overall system capacity for multiuser multicell MIMO system.
- Language
- English
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