公开(公告)号：WO2015108291A1

公开(公告)日：2015-07-23

申请号：PCT/KR2014/012955

申请日：2014-12-29

Applicant: LG ELECTRONICS INC.

Inventor： PARK, Kyungmin ,  RYU, Jinsook ,  XU, Jian ,  BYUN, Daewook

IPC: H04W76/02 ,  H04W88/08 ,  H04W92/20

CPC classification number: H04W76/025 ,  H04W76/11 ,  H04W76/12 ,  H04W76/15 ,  H04W88/08 ,  H04W92/20

Abstract: A method and apparatus for setting up a bearer in a wireless communication system supporting dual connectivity is disclosed. The method for setting up a bearer by a base station (BS) in a wireless communication system supporting dual connectivity, includes requesting, by a first BS, a second BS to set up one or more bearers, receiving, by the first BS, a second bearer list of one or more bearers that can be set by the BS and tunnel end point identifiers (TEIDs) of the bearers included in the second bearer list from the second BS, and transmitting, by the first BS, the second bearer list and the TEIDs of the bearers included in the second bearer list to a mobility management entity (MME).

Abstract translation: 公开了一种在支持双连接的无线通信系统中建立承载的方法和装置。 在支持双连接性的无线通信系统中由基站（BS）建立承载的方法包括由第一BS请求第二BS建立一个或多个承载，由第一BS接收第 可以由BS和第二承载列表中包含的承载的隧道端点标识符（TEID）设置的一个或多个承载的第二承载列表，并且由第一BS发送第二承载列表和 包括在第二承载列表中的承载的TEID到移动性管理实体（MME）。

公开(公告)号：WO2015102334A1

公开(公告)日：2015-07-09

申请号：PCT/KR2014/012963

申请日：2014-12-29

Applicant: LG ELECTRONICS INC.

Inventor： PARK, Kyungmin ,  LEE, Youngdae ,  KIM, Sangwon ,  XU, Jian ,  BYUN, Daewook

IPC: H04W76/00 ,  H04W4/08

CPC classification number: H04W72/005 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0069 ,  H04L12/185 ,  H04L12/189 ,  H04W4/08 ,  H04W48/10 ,  H04W76/20 ,  H04W76/40

Abstract: In a method for providing an GCSE (Group Communication Service Enabler) service in a wireless communication system, the present invention provides a method for switching from MBMS to unicast service, comprising providing a GCSE (Group Communication Service Enabler) service to a UE through MBMS (Multimedia Broadcast Multicast Services); detecting moving of the UE; receiving MBMS status information indicating whether a neighbor cell belongs to an MBSFN(MBMS Single Frequency Network) area from a MCE (Multi-cell Coordination Entity); based on the MBMS status information, checking whether a target cell of the UE is capable of providing a GCSE service through the MBMS; and transmitting the checking result to the MCE, where in case the target cell is unable to provide a GCSE service through the MBMS, the GCSE service is provided to the UE through a unicast bearer.

Abstract translation: 在无线通信系统中提供GCSE（Group Communication Service Enabler）服务的方法中，本发明提供一种从MBMS切换到单播服务的方法，包括：通过MBMS向UE提供GCSE（Group Communication Service Enabler） （多媒体广播多播服务）; 检测UE的移动; 从MCE（多小区协调实体）接收指示相邻小区是否属于MBSFN（MBMS单频网络）区域的MBMS状态信息; 基于MBMS状态信息，检查UE的目标小区是否能够通过MBMS提供GCSE服务; 并将检查结果发送到MCE，其中在目标小区不能通过MBMS提供GCSE服务的情况下，GCSE服务通过单播承载提供给UE。

公开(公告)号：WO2023008669A1

公开(公告)日：2023-02-02

申请号：PCT/KR2022/000918

申请日：2022-01-18

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W76/15 ,  H04W76/12 ,  H04W28/02 ,  H04W24/10 ,  H04W92/20

Abstract: A method and apparatus for handling multiple connectivity in a wireless communication system. A first SN receives, from a master node (MN), a SN addition request message including (1) information informing that a multiple connectivity service for a specific UE is initiated, and (2) information on a suggested number and a maximum number of connections for the specific UE. A first SN determines a number of connections for the multiple connectivity service, based on the information on the suggested number and the maximum number. A first SN transmits, to the MN, an SN addition Request Acknowledge message including the determined number of connections.

公开(公告)号：WO2022186458A1

公开(公告)日：2022-09-09

申请号：PCT/KR2021/019594

申请日：2021-12-22

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W36/32 ,  H04W36/24 ,  H04W36/38 ,  H04W36/00 ,  H04W36/08 ,  G06N20/00

Abstract: A method and apparatus for performing handover based on AI model in a wireless communication system is provided. The source node acquire a mobility information for a specific UE. The source node transmits, to the specific UE, a measurement configuration including a request for a location information. The source node receives, from the specific UE, the location information. The source node determine a target RAN node for the specific UE by using an AI model, based on the mobility information and the location information. The source node performs a handover procedure for the specific UE with the determined target RAN node.

公开(公告)号：WO2022086088A1

公开(公告)日：2022-04-28

申请号：PCT/KR2021/014484

申请日：2021-10-18

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W76/27 ,  H04W76/28 ,  H04W76/16 ,  H04W88/08

Abstract: The present disclosure relates to a power saving in wireless communications. According to an embodiment of the present disclosure, a method performed by a central unit (CU) of a secondary node (SN) serving a wireless device with a master node (MN) in a dual connectivity (DC) in a wireless communication system comprises: transmitting, to a distributed unit (DU) of the SN, a first message comprising an instruction to deactivate one or more cells in a secondary cell group (SCG) related to the SN, wherein the one or more cells comprise a primary secondary cell (PSCell); receiving, from the DU, a second message comprising information informing a successful deactivation of the one or more cells; determining a list of cells to be activated in the SCG based on at least one of an amount of packets received by the CU or a measurement report received from the wireless device, wherein the list of cells comprises the PSCell; transmitting, to the DU, a third message comprising information informing the list of cells to be activated in the SCG; and receiving, from the DU, a fourth message comprising information informing a successful activation of the list of cells.

公开(公告)号：WO2021194306A1

公开(公告)日：2021-09-30

申请号：PCT/KR2021/003785

申请日：2021-03-26

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  HONG, Jongwoo ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W76/27 ,  H04W76/19 ,  H04W76/16

Abstract: The present disclosure relates to a reconfiguration in a wireless communication system. According to various embodiments, a method performed by a master node (MN) serving a wireless device with a source secondary node (SN) in a dual connectivity (DC) in a wireless communication system comprises: transmitting, to the wireless device, radio resource control (RRC) reconfiguration parameters; transmitting, to the source SN, a request message for a user equipment (UE) context stored in the source SN; receiving, from the source SN, a response message comprising the UE context; transmitting, to a target SN, a SN addition request message comprising the UE context; receiving, from the target SN, a SN addition request acknowledgement message comprising a delta configuration for the RRC reconfiguration parameters, wherein the delta configuration comprises a configuration that is changed with respect to the RRC reconfiguration parameters in the UE context; and transmitting, to the wireless device, a RRC reconfiguration message for SN mobility comprising the delta configuration.

公开(公告)号：WO2021172768A1

公开(公告)日：2021-09-02

申请号：PCT/KR2021/000959

申请日：2021-01-25

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Seokjung ,  XU, Jian ,  BYUN, Daewook

IPC: H04W48/18 ,  H04W48/10 ,  H04W88/08

Abstract: The present disclosure relates to manual closed access group (CAG) selection in wireless communications. According to an embodiment of the present disclosure, a method performed by a central unit (CU) in a wireless communication system comprises: receiving, from a distribution unit (DU), information informing whether to allow a manual closed access group (CAG) selection on a CAG identifier (ID) not included in a list of allowed CAG IDs of a wireless device for each of public land mobile networks (PLMNs); receiving, from an access and mobility management function (AMF), a list of PLMNs supported by the AMF; determining CAG control information informing at least one PLMN for which a manual CAG selection on a CAG ID not included in the list of allowed CAG IDs of the wireless device is allowed, based on the list of PLMNs supported by the AMF and the information received from the DU; and transmitting, to the DU, the CAG control information.

公开(公告)号：WO2021158089A1

公开(公告)日：2021-08-12

申请号：PCT/KR2021/001635

申请日：2021-02-08

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  HONG, Jongwoo ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W76/27 ,  H04W76/15 ,  H04L5/00 ,  H04W92/20

Abstract: The present disclosure relates to handling mobility in dual connectivity in wireless communication system. According to various embodiments, a method performed by a target secondary node (SN) for a primary secondary cell (PSCell) mobility of a wireless device from a source SN in a wireless communication system comprises: receiving, from a master node (MN), a message for informing a trigger of the PSCell mobility; obtaining inactivity status information informing that the wireless device is in an inactive state; and releasing or suspending lower layers for a communication with the wireless device based on the inactivity status information after the PSCell mobility of the wireless device to the target SN is completed, wherein the lower layers comprises at least one of a physical (PHY) layer, a media access control (MAC) layer, or a radio link control (RLC) layer.

公开(公告)号：WO2021158024A1

公开(公告)日：2021-08-12

申请号：PCT/KR2021/001446

申请日：2021-02-04

Applicant: LG ELECTRONICS INC.

Inventor： BYUN, Daewook ,  XU, Jian ,  KIM, Seokjung

IPC: H04W76/40 ,  H04W76/20 ,  H04W28/02 ,  H04W28/04 ,  H04W4/06 ,  H04W88/08

Abstract: A method and apparatus for switching of multicast and broadcast service between multicast and unicast in a wireless communication system is described. A CU-CP establishes a connection with a wireless device for a Multicast and/or Broadcast Service (MBS). A CU-CP receives, from the CU-UP, a first message including a retransmission information on data transmission related to the MBS. A CU-CP determines whether to perform a switch of the first transmission to a second transmission for the MBS based on the retransmission information.

公开(公告)号：WO2021158012A1

公开(公告)日：2021-08-12

申请号：PCT/KR2021/001418

申请日：2021-02-03

Applicant: LG ELECTRONICS INC.

Inventor： XU, Jian ,  BYUN, Daewook ,  KIM, Seokjung

IPC: H04W76/40 ,  H04W76/20 ,  H04W24/08 ,  H04W28/02 ,  H04W4/06 ,  H04W88/08

Abstract: The present disclosure relates to multicast-broadcast service (MBS) area control in wireless communications. According to an embodiment of the present disclosure, a method performed by a distributed unit (DU) in a wireless communication system comprises: transmitting, to a central unit (CU), information informing multicast-broadcast service (MBS) areas supported by the DU; receiving, from the CU, configurations for one or more MBS areas comprising a configuration for a first MBS area and a configuration for a second MBS area; providing an MBS service to a plurality of wireless devices based on the configuration for the first MBS area; receiving, from the plurality of wireless devices, feedback information for the first MBS area; transmitting, to the CU, a status message comprising an identity (ID) of the first MBS area and information obtained from the feedback information for the first MBS area; receiving, from the CU, a message for requesting a change of an MBS area, wherein the message comprises information for the second MBS area; and providing an MBS service based on the configuration for the second MBS area.