Optimized CSI Feedback for Robust THP Design

Abstract

In the broadcast channel (BC), the signals of the multiple users can be separated by means of preceding. For the design of precoding, channel state information (CSI) is necessary at the transmitter side. In many cases (e.g., for frequency division duplex (FDD) systems), the transmitter cannot estimate this information and the CSI has to be communicated from… (More)

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