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On Multiuser MIMO Multistream Transmission
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DOI：10.1109/TVT.2009.2025282.png)
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摘要
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We present a system for multiuser multiple-input-multiple-output (MIMO) multistream downlink transmission, which employs covariance-based linear precoders at the transmitter and a minimum-mean-square-error (MMSE) equalizer at each receiver. Antennas of user equipment are arranged to receive different streams bound to this user. Furthermore, these antennas receiving different streams are allowed to cooperate with each other through a joint equalizer, leading to a multiuser MIMO multistream transmission link. The precoders are designed per stream based on the covariance channel state information (CSI). Numerical analysis shows the feasibility and usefulness of the presented system. With the proposed approach, the covariance-based precoding concept for multiuser multiple-input-single-output (MISO) single-stream transmission can effectively be extended to a multiuser MIMO multistream transmission link.
Keyword:
Code-division multiple access (CDMA)
covariance-based precoding
minimum mean square error (MMSE)
multiuser multiple-input-multiple-output (MIMO)
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期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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引用论文
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59th ENMC International Workshop: Spinal Muscular Atrophies: recent progress and revised diagnostic criteria 17–19 April 1998, Soestduinen, The Netherlands第59届ENMC国际研讨会: 脊髓性肌萎缩: 最新进展和修订的诊断标准1998年4月19日，荷兰Soestduinen
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