Abstract: In massive multiple-input multiple-output (MIMO) systems, how to reliably acquire downlink channel state information (CSI) with low overhead is challenging. In this work, by integrating the ...
Abstract: To fully exploit the potential of reconfigurable intelligent surface (RIS), the controllable channel state information (CSI) should be accurate for its future applications. Unfortunately, in ...
WASHINGTON, Dec 3 (Reuters) - U.S. import prices were unexpectedly unchanged in September as high costs for consumer goods, excluding motor vehicles, were offset by cheaper energy products. The flat ...
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