Linear and nonlinear comprehensive precoding method and device for multi-user multiple-input multiple-output (MIMO) system

Linear and nonlinear comprehensive precoding method and device for multi-user multiple-input multiple-output (MIMO) system

The invention discloses a linear and nonlinear comprehensive precoding method and a linear and nonlinear comprehensive precoding device for a multi-user multiple-input multiple-output (MIMO) system. The method comprises the following steps of: acquiring the channel state information of each user by...

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Hauptverfasser: XU CHUNXIU, WU MUQING, ZHENG FENG, SUN YANZHI, GUO QILIN, ZHANG CUNYI, CHEN RUNQIAN, ZHAO MIN
Format: Patent
Sprache:chi ; eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator XU CHUNXIU
WU MUQING
ZHENG FENG
SUN YANZHI
GUO QILIN
ZHANG CUNYI
CHEN RUNQIAN
ZHAO MIN
description The invention discloses a linear and nonlinear comprehensive precoding method and a linear and nonlinear comprehensive precoding device for a multi-user multiple-input multiple-output (MIMO) system. The method comprises the following steps of: acquiring the channel state information of each user by using a transmitter; performing linear precoding processing matrix design according to the novel maximum signal-leakage-noise ratio principle of each user; performing geometric mean resolution on an equivalent channel of each user, and acquiring a corresponding user feed-forward processing matrix; extracting the lower triangular part of an equivalent channel matrix after the transformation of a feed-forward matrix and a linear precoding matrix as a feedback processing matrix for nonlinear precoding; and sequentially performing basic processing such as scrambling, modulation and the like, nonlinear dirty paper coding processing, feed-forward matrix processing and linear precoding matrix processing on a signal, and t
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Linear and nonlinear comprehensive precoding method and device for multi-user multiple-input multiple-output (MIMO) system
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