METHOD AND APPARATUS FOR RECIPROCITY BASED CSI-RS TRANSMISSION AND RECEPTION
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United States of America Patent
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Issued Date -
May 9, 2024
app pub date -
Dec 29, 2023
filing date -
Jan 3, 2020
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Abstract
A method for operating a user equipment (UE) comprises receiving configuration information for at least one channel state information reference signal (CSI-RS) resource that comprises PCSIRS CSI-RS ports; receiving configuration information for channel state information (CSI) feedback that is based on Q precoding dimensions, wherein: there is a mapping between the PCSIRS CSI-RS ports and the Q precoding dimensions, and PCSIRS≠Q; measuring the PCSIRS CSI-RS ports; determining a measurement for the Q precoding dimensions based on the mapping and the measurement for the PCSIRS CSI-RS ports; determining a CSI feedback based on the measurement for the Q precoding dimensions; and transmitting, over an uplink (UL) channel, the determined CSI feedback.
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