REFERENCE PRECODING VECTORS FOR MULTIPLE RANK INDICATIONS FOR CHANNEL QUALITY INDICATION (CQI) REPORTING IN A WIRELESS
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United States of America Patent
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Aug 4, 2016
app pub date -
Jan 30, 2015
filing date -
Jan 30, 2015
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An example technique may include determining, by a user device, a reference precoding vector for each of a plurality of rank indications, selecting, by the user device, a rank indication of the plurality of rank indications for data transmission based on reference signals received from the base station and the reference precoding vector for each rank indication, sending, from the user device to the base station, the selected rank indication for data transmission, determining, by the user device, one or more channel quality indications (CQIs) for the data transmission based on the reference signals received from the base station, the selected rank indication and the reference precoding vector for the selected rank indication, and sending, by the user device to the base station, the determined one or more channel quality indications (CQIs) for the selected rank indication.
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