Method and apparatus for transmitting uplink data based on hybrid beamforming in a wireless communication system
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United States of America Patent
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Dec 18, 2018
Grant Date -
Feb 1, 2018
app pub date -
Mar 10, 2017
filing date -
Jul 31, 2016
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Abstract
Provided are a method and an apparatus for transmitting uplink data based on hybrid beamforming in a wireless communication system. Specifically, a user equipment (UE) receives a first modulation and coding scheme (MCS) determined based on a sounding reference signal from a base station (BS) through an uplink grant. The UE determines an MCS offset based on a variation of an uplink channel when the variation of the uplink channel between a subframe for transmitting the sounding reference signal and a subframe for receiving the uplink grant is a threshold or greater. The UE transmits uplink data to the BS using a second MCS acquired from the first MCS and the MCS offset.
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