CHANNEL STATE INFORMATION FEEDBACK INSTRUCTION, FEEDBACK METHOD AND DEVICE
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Aug 1, 2012
filing date -
Aug 5, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention discloses a method of and apparatus for indicating a feedback of and feeding back Channel State Information (CSI) and relates to the field of wireless communication technologies so as to implement a solution in which a user equipment feeds back CSI aperiodically for a set of measurement information of transmission point and/or a measurement set indicated by abuse station. In the invention, abuse station determines from a result of joint scheduling of multiple transmission points a set of measurement information of transmission point and/or a measurement set corresponding to a set of downlink carriers for which CSI is to be fed back aperiodically by a user equipment; and the base station sends to the user equipment indication information for the determined set of measurement information of transmission point and/or the determined measurement set corresponding to the set of downlink carriers for which CSI is to be fed back aperiodically. The user equipment feeds back CSI aperiodically according to the indication information. With the invention, the user equipment can feed back CSI aperiodically for the set of measurement information of transmission point and/or the measurement set indicated by the base station.
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