MIMO Broadcast Transmission Strategy over Fast Time-Varying Channels
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概要
- 論文の詳細を見る
In time-varying channels, the channel state information available at the transmitter (CSIT) is outdated due to inherent time delay between the uplink channel estimation and the downlink data transmission in TDD systems. In this letter, we propose an iterative precoding method and a linear decoding method which are both based on minimum mean-squared error (MMSE) criteria to mitigate the interference among data streams and users created by outdated CSIT for multiuser MIMO downlink systems. Analysis and simulation results show that the proposed method can effectively reduce the impairment of the outdated CSIT and improve the system capacity.
- （社）電子情報通信学会の論文
- 2008-08-01
著者
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ZHAO Ming
National Laboratory for Information Science and Technology, Tsinghua University
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Zhao Ming
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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WANG Hongmei
National Laboratory for Information Science and Technology, Tsinghua University
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XU Xibin
National Laboratory for Information Science and Technology, Tsinghua University
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WU Weiling
School of Information Engineering, Beijing University of Posts and Telecommunications
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YAO Yan
National Laboratory for Information Science and Technology, Tsinghua University
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Xu Xibin
National Laboratory For Information Science And Technology Tsinghua University
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Wu Weiling
School Of Information Engineering Beijing University Of Posts And Telecommunications
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Yao Yan
National Laboratory For Information Science And Technology Tsinghua University
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Wang Hongmei
National Laboratory For Information Science And Technology Tsinghua University
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Zhao Ming
National Laboratory For Information Science And Technology Tsinghua University
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