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|1. (WO2017152750) METHOD AND DEVICE FOR TRANSMITTING FEEDBACK INFORMATION|
|Applicants:||CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
|Title:||METHOD AND DEVICE FOR TRANSMITTING FEEDBACK INFORMATION|
Provided are a method and device for transmitting feedback information. The method comprises: a transmitting end determining a first codebook according to a channel measurement result, wherein a precoding matrix contained in the first codebook is obtained by means of transformation according to the same construction matrix; the transmitting end obtaining, by means of calculation, a first CQI according to some or all of the precoding matrices in the first codebook; and the transmitting end transmitting, to a receiving end, first indication information for representing the first codebook and second indication information for representing the first CQI.