# US 10,321,442 B2 · Method for configuring an activated SCell with PUCCH resource in a carrier aggregation system and a device therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,321,442 B2 - Document ID: US10321442B2 - Status: Granted - Kind: B2 - Application number: 15/537,368 - Filed: 2016-01-13 - Published: 2018-02-15 - Granted: 2019-06-11 - Earliest claimed: 2015-01-13 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Sunyoung Lee; Seungjune Yi - Web page: https://patentgrep.com/patent/US10321442B2 ## CPC - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for configuring an activated SCell with PUCCH resource in a carrier aggregation system, the method comprising: configuring with a Secondary Cell (SCell); receiving a Radio Resource Control (RRC) signaling indicating that Physical Uplink Control Channel (PUCCH) resource is configured for the SCell; configuring the PUCCH resource with the SCell according to the RRC signaling; and disabling a SCell deactivation timer associated with the SCell if the SCell deactivation timer associated with the SCell is running when the RRC signaling is received. ## Claims ### Claim 1 A method for disabling a Secondary cell (SCell) deactivation timer related to an SCell in a wireless communication system, the method performed by a User Equipment (UE) and comprising: receiving Radio Resource Control (RRC) signaling including information that a Physical Uplink Control Channel (PUCCH) is configured for the SCell; configuring the PUCCH based on the received RRC signaling; disabling the SCell deactivation timer if the SCell deactivation timer is running when the RRC signaling is received; and activating the SCell if the SCell deactivation timer is not running when the RRC signaling is received. ### Claim 2 (depends on 1) The method according to claim 1, further comprising re-activating the SCell while keeping the SCell deactivation timer disabled after disabling the SCell deactivation timer. ### Claim 3 (depends on 1) The method according to claim 1, further comprising stopping the SCell deactivation timer before disabling the SCell deactivation timer. ### Claim 4 (depends on 2) The method according to claim 2, further comprising transmitting a Sounding Reference Signal on the SCell, transmitting channel status information for the SCell, monitoring a Physical Downlink Control Channel (PDCCH) on the SCell, or monitoring the PDCCH for a plurality of SCells while the SCell is re-activated. ### Claim 5 (depends on 2) The method according to claim 2, further comprising triggering a Power Headroom Report when the SCell is re-activated. ### Claim 6 (depends on 1) The method according to claim 1, further comprising setting a value of the SCell deactivation timer to infinity when the SCell deactivation timer is disabled. ### Claim 7 A User Equipment (UE) for disabling a Secondary cell (SCell) deactivation timer related to an SCell in a wireless communication system, the UE comprising: a receiver configured to receive information; and a processor configured to: control the receiver to receive Radio Resource Control (RRC) signaling including information that a Physical Uplink Control Channel (PUCCH) is configured for the SCell; configure the PUCCH based on the received RRC signaling; disable the SCell deactivation timer if the SCell deactivation timer is running when the RRC signaling is received; and activate the SCell if the SCell deactivation timer is not running when the RRC signaling is received. ### Claim 8 (depends on 7) The UE according to claim 7, wherein the processor is further configured to re-activate the SCell while keeping the SCell deactivation timer disabled after disabling the SCell deactivation timer. ### Claim 9 (depends on 7) The UE according to claim 7, wherein the processor is further configured to stop the SCell deactivation timer before disabling the SCell deactivation timer. ### Claim 10 (depends on 8) The UE according to claim 8, further comprising a transmitter configured to transmit information, wherein the processor is further configured to control the transmitter to transmit a Sounding Reference Signal on the SCell, control the transmitter to transmit channel status information for the SCell, monitor a Physical Downlink Control Channel (PDCCH) on the SCell, or monitor the PDCCH for a plurality of SCells while the SCell is re-activated. ### Claim 11 (depends on 8) The UE according to claim 8, wherein the processor is further configured to trigger a Power Headroom Report when the SCell is re-activated. ### Claim 12 (depends on 7) The UE according to claim 7, wherein the processor is further configured to set a value of the SCell deactivation timer to infinity when the SCell deactivation timer is disabled.