Method for feeding back channel state information and an apparatus
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United States of America Patent
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Dec 5, 2017
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app pub date -
May 20, 2016
filing date -
Nov 22, 2013
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Abstract
Embodiments relate to a feedback method channel state information. The method includes acquiring, by user equipment, first channel state information based on a first channel state information measurement resource that is configured by a base station and that corresponds to a first antenna port representing a horizontal dimension. The method also includes acquiring, based on a second channel state information measurement resource, which is configured by the base station, of a second antenna port representing a vertical dimension, second channel state information. The method also includes feeding back channel state information to the base station, which includes: feeding back the first channel state information to the base station according to a first feedback mode, and feeding back the second channel state information to the base station according to a second feedback mode, where the second feedback mode is different from the first feedback mode.
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