Dentons US LLP
Method for terminal for carrying out carrier aggregation in wireless communication system and terminal utilizing the method
The present method, for a terminal carrying out carrier aggregation in a wireless communication system, comprises the steps of: receiving, from a base station, at least one downlink grant; determining whether or not the at least one downlink grant corresponds to a valid downlink grant; and on the basis of the determination, transmitting a physical uplink control channel (PUCCH), wherein the PUCCH transmission step, on the basis of the determination, comprises the steps of: if a downlink grant included in the at least one downlink grant is a valid down grant, then transmitting a PUCCH associated with the valid downlink grant; and if a downlink grant included in the at least one downlink grant is not a valid down grant.
LG ELECTRONICS INC.
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Daesung Suckchel Seungmin Joonkui
Hwang Yang Lee Ahn