Method and apparatus for performing and reporting measurements by user equipment configured with multiple carriers in mobile communication systems
地域：
Suwon-si
摘要
A communication method and system for supporting a high data transmission rate fuse 5G communication systems with IoT technology to transmit data at a high rate after 4G systems. The method for a terminal in a wireless communication system supporting carrier aggregation includes receiving a control message including indication information, the indication information indicating that physical uplink control channel (PUCCH) feedback for at least one secondary cell (SCell) is transmitted on a SCell; identifying whether the SCell is configured to the terminal and is activated; and if the SCell is configured to the terminal and is activated, obtaining Type 2 power headroom information for the SCell.
說明書
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UE is capable of establishing an RRC connection with an ENB in operation 1205. The RRC connection refers to a control connection required for UE to perform transmission/reception of data via a mobile communication network. The RRC connection is established by exchanging RRC control messages via a random access procedure.
UE and ENB are capable of performing the capability report procedure in operation 1210. The capability report procedure can include a process for ENB to transmit a UE capability enquiry control message to UE and a process for the UE to receive a UE capability information control message from the ENB.
For example, UE capability enquiry control message can include the following information.
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- Capability enquiry Radio Access Technology (RAT) type: Control information indicating RAT type of capability to be reported UE. If RAT type is EUTRA, UE reports EUTRA-related capability information
- Enquired frequency band: Control information indicating a frequency band of capability to be reported to UE
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