Robust Transceiver Design for Multiuser MIMO Downlink with Channel Uncertainties
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概要
- 論文の詳細を見る
This letter addresses the problem of robust transceiver design for the multiuser multiple-input-multiple-output (MIMO) downlink where the channel state information at the base station (BS) is imperfect. A stochastic approach which minimizes the expectation of the total mean square error (MSE) of the downlink conditioned on the channel estimates under a total transmit power constraint is adopted. The iterative algorithm reported in [2] is improved to handle the proposed robust optimization problem. Simulation results show that our proposed robust scheme effectively reduces the performance loss due to channel uncertainties and outperforms existing methods, especially when the channel errors of the users are different.
- (社)電子情報通信学会の論文
- 2008-10-01
著者
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Chen Xiang
National Laboratory For Information Science And Technology Tsinghua University
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LI Yunzhou
State Key Laboratory on Microwave and Digital Communications, Tsinghua National Laboratory for Infor
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ZHOU Shidong
State Key Laboratory on Microwave and Digital Communications, Tsinghua National Laboratory for Infor
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WANG Jing
State Key Laboratory on Microwave and Digital Communications, Tsinghua National Laboratory for Infor
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Wang Jing
Tsinghua Univ. Beijing Chn
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Wang Jing
National Laboratory For Information Science And Technology Tsinghua University
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Chen Xiang
Tsinghua Univ. Beijing Chn
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Zhou Shidong
Tsinghua Univ. Beijing Chn
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Zhou Shidong
The State Key Lab. On Microwave And Digital Communication Tsinghua University
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Zhou Shidong
National Laboratory For Information Science And Technology Tsinghua University
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Li Yunzhou
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Zhou Shidong
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Wang Jing
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Chen Xiang
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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MIAO Wei
State Key Laboratory on Microwave and Digital Communications, Tsinghua National Laboratory for Infor
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Miao Wei
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Wang Jing
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Wang Jing
State Key Laboratory Of Coordination Chemistry School Of Chemistry And Chemical Engineering Nanjing
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Wang Jing
State Key Lab. Of Asic And System Department Of Microelectronics Fudan University
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Miao Wei
State Key Laboratory Of New Ceramic And Fine Processing Department Of Materials Science And Engineering Tsinghua University
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