Diversity multiplexed transmission determining method and apparatus based on channel quality indication
A technology of channel quality indication and determination method, applied in the field of diversity and multiplexing determination
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[0046] The core idea of the present invention is to count the channel quality indicator CQI values fed back by user terminals in a number of transmission time intervals, calculate its average value and standard deviation, and use the determined average value and standard deviation to form a set and pre-set signal-to-noise Corresponding to the ratio range; when the current CQI value fed back by the user terminal is received, the corresponding signal-to-noise ratio is determined according to the aforementioned correspondence. The signal-to-noise ratio range of the present invention is set according to Shannon's theory and combined with actual communication conditions, and the CQI value set calculated according to the statistical law conforms to the current CQI value distribution law, and the signal-to-noise ratio determined according to the current CQI value is very close For the actual signal-to-noise ratio of the channel, after determining the signal-to-noise ratio, the gain o...
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