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Method for signal transmission to multiple user equipments utilizing reciprocity of wireless channel
Method for signal transmission to multiple user equipments utilizing reciprocity of wireless channel
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机译:利用无线信道的互易性向多个用户设备传输信号的方法
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摘要
The present disclosure provides a method for transmitting a signal to multiple User Equipments (UEs) utilizing reciprocity of a wireless channel. In this method, a vector channel from the base station to each UE can be converted into an equivalent Single Input Single Output (SISO) channel having a strong Light-of-Sight (LOS) component using channel feedback. In this way, a reliable signal transmission to multiple UEs can be achieved with little channel training overhead. The present disclosure has prominent advantages such as simplicity in implementation, low processing complexity and very low channel training overhead and is particularly applicable in low-speed transmission of broadcast signaling in a massive MIMO system and scenarios where the base station is to page inactive UEs.
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