CPC H04B 7/0617 (2013.01) [H04B 7/0413 (2013.01); H04B 7/0469 (2013.01); H04B 7/0626 (2013.01); H04B 7/0639 (2013.01)] | 14 Claims |
1. An electronic device in a wireless communication system, comprising circuitry configured to:
receive, from a Base Station, an RRC signaling comprising antenna configuration information, wherein the antenna configuration information comprises a codebook subset restriction that indicates a number of ports of the Base Station;
determine a PMI based on the antenna configuration information;
transmit, to the Base Station, feedback information comprising the PMI,
wherein the antenna configuration information is applicable to an antenna array of the Base Station,
wherein the antenna array of the Base Station comprises a plurality of antenna units, and
wherein the antenna configuration information comprises a number of TXRU of the plurality of antenna units.
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