FIELD: radio engineering, communication.
SUBSTANCE: invention discloses a radio communication method for radio communication using a plurality of frequency bands in a first radio communication device and a second radio communication device. The method includes steps, where the first radio communication device transmits to the second radio communication device a first channel state information request corresponding to each of a plurality of frequency bands; and the second radio communication device transmits to the first radio communication device information relating to channel state with respect to the frequency band. indicated by the first channel state information request when the second radio communication device receives the first channel state information request.
EFFECT: high accuracy of signal transmission.
7 cl, 77 dwg
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