FIELD: radio engineering, communication.
SUBSTANCE: invention relates to multi-carrier wireless communication systems. An reference carrier scheme is employed to provide channel quality indicator (CQI) feedback of one or more downlink carriers; CQI feedback is transmitted for one or more downlink carriers using the reference carrier and CQI feedback is removed for at least one of the one or more downlink carriers based, at least in part, on determining conflict between rank indicator transmission and CQI feedback transmission.
EFFECT: efficient method of transmitting CQI feedback.
29 cl, 9 dwg
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