Method and apparatus for controlling SCell state
地域：
Gyeonggi-do
摘要
Provided is a method and an apparatus for for changing or controlling a state of a secondary cell in carrier aggregation. The method includes receiving secondary cell (SCell) state indication information indicating a state for a SCell from a base station through an RRC message or an MAC control element, causing a state of the SCell to transition into a dormant state when the SCell state indication information indicates the dormant state, and transmitting channel state information reporting for the SCell in the dormant state according to an dormant state CQI report period parameter set separately from an activation state CQI report period parameter.
說明書
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Otherwise upon receiving the SCell activation command in subframe n, the UE shall be capable of transmitting valid CSI report and applying actions related to the activation command for the SCell being activated no later than in subframe n+34 provided the SCell can be successfully detected on the first attempt.
Thus, a considerable delay occurs until the UE becomes able to transmit data through a SCell after having received a MAC CE indicating SCell activation. That is, about 24 to 34 ms is consumed for performing effective data scheduling based on valid CQI reporting.
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