Multi-user communication system physical layer control method under non-ideal hardware condition

Multi-user communication system physical layer control method under non-ideal hardware condition

The invention relates to a multi-user communication system physical layer control method under a non-ideal hardware condition. The method comprises the following steps: establishing non-ideal hardware models at a base station, an intelligent metasurface and a user terminal; establishing a signal to...

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Hauptverfasser: CHEN ZHIWEI, LIU XUEYA, ZHANG ZHENKUN, CHEN XIANZHE, PENG ZHANGJIE, WENG RUISONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator CHEN ZHIWEI
LIU XUEYA
ZHANG ZHENKUN
CHEN XIANZHE
PENG ZHANGJIE
WENG RUISONG
description The invention relates to a multi-user communication system physical layer control method under a non-ideal hardware condition. The method comprises the following steps: establishing non-ideal hardware models at a base station, an intelligent metasurface and a user terminal; establishing a signal to interference plus noise ratio model at the user terminal and the eavesdropper; acquiring a downlink security rate of each user terminal according to the two signal to interference plus noise ratio models; according to the non-ideal hardware models at the base station, the intelligent metasurface and the user terminals and the downlink security rate of each user terminal, an optimization problem for maximizing the security transmission fairness between the user terminals is established, and the optimization problem is solved. And obtaining an optimal base station precoding matrix for base station operation and an optimal intelligent metasurface reflection coefficient matrix for intelligent metasurface operation. Com
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title Multi-user communication system physical layer control method under non-ideal hardware condition
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