Scalar quantizer based feedback of the Channel Direction Information in MU-MISO systems


The availability of the Channel State Information (CSI) at the transmitter is crucial for the precoder design in Multi-user Multiple Input Single Output (MU-MISO) systems. In Frequency Division Duplex (FDD) systems, CSI can be just available at the transmitter through a limited feedback channel [1], where we assume that each user estimates, normalizes, and… (More)
DOI: 10.1109/ISCAS.2011.5937660


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