| 摘要 |
Aspect of the invention relate to a method for reporting channel quality information from a user equipment (UE) to a base station. In some embodiments, the method includes: determining a first channel quality value (CQ1) for a first channel; reporting channel quality for the first channel, wherein the step of reporting channel quality for the first channel comprises transmitting from the UE to the base station a first channel quality indicator value (CQI1) consisting of n bits; determining a second channel quality value (CQ2) for a second channel; after determining CQ2, calculating a value of X, wherein X equals (i) DeltaCQ+an offset parameter value (P) or (ii) DeltaCQ−P, wherein P does not equal zero, and DeltaCQ equals (i) CQ1−CQ2, (ii) CQ2−CQ1, (iii) CQI1−CQI2 or (iv) CQI2−CQI1, wherein CQ12 is a function of CQ2; and after calculating X, reporting channel quality for the second channel by transmitting from the UE to the base station an m bit value X′, wherein X′is a function of X and m<n.
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