Method for acquiring channel information, apparatus, and system
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United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Jun 30, 2016
filing date -
Dec 31, 2013
priority date (Note) -
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Abstract
Embodiments of the present disclosure provide a method for acquiring channel information, an apparatus, and a system, relate to the communications field, and can reduce overhead of pilot signals in a process of acquiring channel state information. In various embodiments, a base station selects first preset antennas from an antenna array, maps the first preset antennas to pilot signals, and sends the pilot signals and antenna configuration information to a terminal, and the terminal obtains channel state information of second preset antennas by means of calculation according to the pilot signals and the antenna configuration information. The present disclosure can be applied for acquiring channel state information.
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