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Coordinated Beamforming with Limited BS Cooperation for Multicell Multiuser MIMO Broadcast Channel

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Authors
Kim, Seong-Cheol; Jeon, Nam-Ryul; Lee, Chang-Hoon; Lee, Jong-Ho; Kim, Kyong-Hoe
Issue Date
2009-04-29
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
The 69th IEEE Vehicular Technology Conference (VTC2009-Spring)
Keywords
co-channel interferenceinterference suppressionBS cooperationmultiuser 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
URI
http://www.ieeevtc.org/vtc2009spring/

http://hdl.handle.net/10371/7405
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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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