The Farrell Law Firm, P.C.
Method and device for transmitting and receiving channel state information in mobile communication system
A method and a device for transmitting channel state information in a mobile communication system are disclosed. The method includes the steps of: receiving signal information comprising information indicating a reporting mode for channel status information and information related to a codebook subset configuration for use in reporting the channel status information; determining whether to apply codebook subsampling to a master codebook based on the codebook subset configuration and the reporting mode; upon determining to apply the codebook subsampling to the master codebook, generating a subsampled codebook by subsampling the master codebook and generating the channel status information comprising a PMI generated based on the subsampled codebook; and transmitting the channel status information to a base station.
Samsung Electronics Co., Ltd
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Young-Woo Hoon-Dong
Kwak Noh