-
1.
公开(公告)号:US11553550B2
公开(公告)日:2023-01-10
申请号:US16502493
申请日:2019-07-03
申请人: LG Electronics Inc.
发明人: Taehun Kim , Bokyung Byun
摘要: A method and apparatus for supporting security in a radio resource control (RRC) inactive state in a wireless communication system is provided. A user equipment (UE) receives information on multiple security variables, of which each variable is mapped to each of multiple counter values, respectively. The UE calculates a security parameter and/or updating a UE identifier (ID) based on a security variable among the security variables which is mapped to a corresponding counter value among the multiple counter values, and transmits a radio resource control (RRC) resume request message including the calculated security parameter and/or the updated UE ID. The counter value may be increase whenever a timer expires or an RRC reject message is received as a response to the RRC resume request message.
-
公开(公告)号:US11432209B2
公开(公告)日:2022-08-30
申请号:US16763545
申请日:2018-11-13
申请人: LG ELECTRONICS INC.
发明人: Seokjung Kim , Bokyung Byun , Jian Xu , Daewook Byun
摘要: Provided are a method of managing UE context and a device supporting the method. According to one embodiment of the present invention, a method for managing UE context in a wireless communication system includes: receiving a UE context request message including a radio resource control (RRC) establishment cause from a second BS, wherein the first BS and the second BS are located in a same radio access network (RAN)-based notification area (RNA); and when the RRC establishment cause is related to RNA update, transmitting a UE context response message to the second BS, wherein the UE context response message piggybacks a RRC message requesting a UE to move to a RRC inactive state.
-
公开(公告)号:US11140589B2
公开(公告)日:2021-10-05
申请号:US16633537
申请日:2018-08-07
申请人: LG ELECTRONICS INC.
发明人: Hongsuk Kim , Youngdae Lee , Bokyung Byun , Jaewook Lee
摘要: A method and apparatus for transmitting data in a wireless communication system is provided. A user equipment (UE) transmits the data in a first cell during a first random access procedure, i.e. early data transmission. The UE detects that transmission of the data in the first cell during the first random access procedure has failed, and prioritizes a second cell based on candidate cell information. After selecting the second cell, the UE transmits a failed part of the data in the second cell during a second random access procedure.
-
4.
公开(公告)号:US11165632B2
公开(公告)日:2021-11-02
申请号:US16409630
申请日:2019-05-10
申请人: LG ELECTRONICS INC.
发明人: Youngdae Lee , Bokyung Byun
摘要: Provided are a method of performing RRC establishment procedure a device supporting the method. According to one embodiment of the present invention, the method includes: configuring a master cell group (MCG) cell and a secondary cell group (SCG) cell; receiving configuration related to MCG failure; detecting the MCG failure on the MCG cell; suspending MCG bearer and MCG transmission of split bearer; and transmitting a message to the SCG cell based on the configuration.
-
公开(公告)号:US11129228B2
公开(公告)日:2021-09-21
申请号:US16483373
申请日:2018-02-02
申请人: LG ELECTRONICS INC.
发明人: Bokyung Byun , Youngdae Lee
摘要: Provided are a method by which an access stratum (AS) layer of a terminal determines a radio resource control (RRC) state in a wireless communication system, and a device for supporting the same. The method can comprise the steps of: entering an RRC_INACTIVE state; receiving, from a core network (CN), CN paging in the RRC_INACTIVE state; forwarding a UE ID of the terminal and a CN domain to a non-access stratum (NAS) layer of the terminal; receiving an RRC connection release request from the NAS layer of the terminal; and entering an RRC_IDLE state on the basis of the received RRC connection release request.
-
公开(公告)号:US11083038B2
公开(公告)日:2021-08-03
申请号:US16269801
申请日:2019-02-07
申请人: LG Electronics Inc.
发明人: Hongsuk Kim , Bokyung Byun , Youngdae Lee , Jaewook Lee
摘要: Provided are a method of reporting mobility history of an UE and a device supporting the method. According to one embodiment of the present invention, the method includes: leaving radio resource control (RRC) connected state; logging altitude information of the aerial UE when a specific condition is satisfied; and transmitting the altitude information when the aerial UE enters RRC connected state.
-
7.
公开(公告)号:US11678399B2
公开(公告)日:2023-06-13
申请号:US16980277
申请日:2019-05-13
申请人: LG Electronics Inc.
发明人: Taehun Kim , Bokyung Byun , Hyunjung Choe
IPC分类号: H04W76/27 , H04W12/033 , H04W74/08
CPC分类号: H04W76/27 , H04W12/033 , H04W74/0833
摘要: A method and apparatus for resuming only signaling radio bearers (SRBs) in a wireless communication system is provided. A wireless device triggers a signaling while the wireless device is in a radio resource control (RRC) inactive state, and resumes only SRB and transmits a message 3 (MSG3) of a random access procedure to a network when an early data transmission (EDT) triggering condition for transmission via the MSG3 is fulfilled. The MSG3 includes the signaling.
-
公开(公告)号:US11564098B2
公开(公告)日:2023-01-24
申请号:US16638661
申请日:2018-10-11
申请人: LG Electronics Inc.
发明人: Bokyung Byun , Youngdae Lee , Geumsan Jo
IPC分类号: H04W12/106 , H04W4/40 , H04W76/27 , H04W12/041 , H04W80/02
摘要: Provided is a method for changing, by a user equipment (UE), packet data convergence protocol (PDCP) version. The method may include: receiving a security mode command message, which includes a first security algorithm configuration for a PDCP of a first system and a second security algorithm configuration for a PDCP of a second system, from a base station (BS); deriving a first security key for the PDCP of the first system, based on the first security algorithm configuration; when the security mode command message passes an integrity protection check based on the first security key, changing the PDCP version from the PDCP of the first system to the PDCP of the second system; deriving a second security key for the PDCP of the second system, based on the second security algorithm configuration; and transmitting a security mode complete message, based on the second security key, to the BS.
-
公开(公告)号:US10893569B2
公开(公告)日:2021-01-12
申请号:US16347548
申请日:2017-11-03
申请人: LG ELECTRONICS INC.
发明人: Youngdae Lee , Sangwook Han , Bokyung Byun , Taehun Kim
摘要: Provided is a method for a terminal in an RRC inactive (RRC_INACTIVE) state to change an RRC state in a wireless communication system. The method comprises: a step of receiving, from a network, an indication indicating to enter an RRC idle state; a step of determining if the indication is valid for a terminal; and a step of entering the RRC idle state if it is determined that the indication is valid for the terminal.
-
公开(公告)号:US10805860B2
公开(公告)日:2020-10-13
申请号:US16606208
申请日:2018-03-19
申请人: LG ELECTRONICS INC.
发明人: Youngdae Lee , Jaehyun Kim , Bokyung Byun
摘要: Provided are a method by which a terminal performs an access barring check in a wireless communication system and a device for supporting the same. The method may include: a step for entering an RRC_INACTIVE state; a step for performing the access barring check on a cell; a step for checking that access to the cell is prevented as many times as the maximum number of access attempts; and a step for transitioning from the RRC_INACTIVE state to an RRC_IDLE state.
-
-
-
-
-
-
-
-
-