Efficient CQI signaling in multi-beam MIMO systems
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United States of America Patent
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Oct 6, 2015
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Oct 17, 2013
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Aug 21, 2006
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Abstract
The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a different quality resulting in different effects of errors in the transmissions of the channel quality information for the beams. Said different effects are exploited for reducing a signaling overhead of the channel quality information for the beams.
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