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In this work, we develop limited feedback techniques that utilize both Channel State Information (CSI) and Channel Distribution Information (CDI) for communication in multiuser MIMO beamforming networks with SINR constraints on the links. We minimize power in the network using a CDI-based algorithm, and then use limited CSI feedback to improve on this scheme by reducing power consumption further and...
In this work, we look at single user and multiuser Multiple-Input Multiple-Output (MIMO) beamforming networks with Channel Distribution Information (CDI). CDI does not need to be updated every time the channel changes, but only when the statistics of the channel change. Thus, feedback in the network is significantly reduced when compared to CSI schemes. With statistical information, we can only guarantee...
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