Method for transmitting and receiving uplink signal, user equipment, and base station
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Apr 5, 2017
filing date -
Jun 28, 2011
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Abstract
A method for receiving, by a base station, uplink signals from a user equipment, the method includes transmitting, by the base station, a physical downlink control channel (PDCCH) carrying an uplink grant for a scheduled cell, which is one of a plurality of serving cells for the user equipment, through a scheduling cell among the plurality of serving cells; and receiving, by the base station, a physical uplink shared channel (PUSCH) carrying uplink data of the user equipment through the scheduled cell according to the uplink grant, wherein the user equipment is configured with at least a primary cell (PCell) group and a secondary cell (SCell) group, wherein the PCell group is configured with a PCell and zero or more SCells among the plurality of serving cells, and the SCell group is configured with one or more SCells not belonging to the PCell group among the plurality of serving cells.
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