公开(公告)号：US20160037408A1

公开(公告)日：2016-02-04

申请号：US14879095

申请日：2015-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang XU ,  Hong WANG ,  Huarui LIANG

IPC: H04W36/08 ,  H04W24/10

CPC classification number: H04W36/0038 ,  H04W12/06 ,  H04W24/00 ,  H04W24/10 ,  H04W36/0033 ,  H04W36/0055 ,  H04W36/08 ,  H04W36/30

Abstract: A method and a system for processing a Radio Link Failure (RLF) report, where when a User Equipment (UE) encounters an RLF in a first cell controlled by a first evolved base station and selects a second cell controlled by a second evolved base station to re-establish an Radio Resource Connection (RRC), are provided. The method includes sending, by the second evolved base station, the RLF report to every corresponding evolved base station according to the PCI of the first cell having been received from the UE, where the PCI of the first cell, the PCI of a second cell, the CRNTI of the UE in the first cell, and UE authentication information are carried in the RLF report, and authenticating, by every evolved base station the UE according to the UE authentication information. Another method for processing an RLF report, and two methods for adjusting a mobile parameter, are also provided.

公开(公告)号：US20130250838A1

公开(公告)日：2013-09-26

申请号：US13849129

申请日：2013-03-22

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Huarui LIANG ,  Hong WANG ,  Lixiang XU ,  Xiaowan KE

IPC: H04W4/08

CPC classification number: H04W4/08 ,  H04L12/1407 ,  H04L47/20 ,  H04W4/24

Abstract: A method for selecting a Policy and Charging Enforcement Function (PCEF) and a Policy and Charging Rule Function (PCRF), for monitoring members in a monitored group is provided. The method includes allocating a same group Identity(ID) for members in a monitored group, selecting a Packet Data Network Gateway (PGW)/PCEF or a PCEF for a member corresponding to the first user to access the network in the monitored group according to the group ID of the member, selecting a PCRF for the member, saving at least one of a corresponding relationship between the group ID and an Internet Protocol (IP) address of the PGW/PCEF, and a corresponding relationship between the group ID and an IP address of the PCEF, and saving at least a corresponding relationship between the group ID and an IP address of the PCRF.

Abstract translation: 提供了一种用于选择策略和计费执行功能（PCEF）以及策略和计费规则功能（PCRF）的方法，用于监视被监视组中的成员。 该方法包括为被监视组中的成员分配相同的组标识（ID），为对应于第一用户的成员选择分组数据网络网关（PGW）/ PCEF或PCEF，以根据所监视的组访问所述网络 所述成员的组ID，为所述成员选择PCRF，保存所述组ID与所述PGW / PCEF的因特网协议（IP）地址之间的对应关系中的至少一个，以及所述组ID与所述组ID之间的对应关系 PCEF的IP地址，并保存组ID和PCRF的IP地址之间的至少对应关系。

公开(公告)号：US20200229044A1

公开(公告)日：2020-07-16

申请号：US16834469

申请日：2020-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang XU ,  Hong WANG ,  Huarui LIANG

IPC: H04W36/00

Abstract: A method for supporting indication of a failure event to a source access system is provided. The method includes notifying, by the source access system, information of a source cell to a target access system, routing, by the target access system, a message to the base station or the base station controller of the source access through a core network by use of the information of the source cell received from the source access system when the target access system needs to transmit a message to the source access system. By use of the method provided by the present disclosure, a problem of mobility robustness optimization (MRO) among different radio access technology (RAT) may be notified to the source access system, so as to avoid impact for a terminal, reduce operator configuration.

公开(公告)号：US20200037154A1

公开(公告)日：2020-01-30

申请号：US16587682

申请日：2019-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong WANG ,  Huarui LIANG ,  Lixiang XU

IPC: H04W12/04 ,  H04W72/04

Abstract: The present application discloses a method for configuring and transmitting a key, which includes that: a) a serving cell (PCell) of UE determines a key (KeNB) used by a SCell and transmits the KeNB to the SCell; and b) the PCell transmits configuration information for configuring the SCell to the UE after receiving a response message from the SCell, and receives a response message from the UE. Or, the method includes that: a SCell of UE transmits a cell key request to an MME and receives key information from the MME; and the SCell transmits the key information received from the MME to the UE, and receives a response message from the UE. By the present application, data of the SCell is transmitted after being encrypted, so as to avoid a case that the data is decoded by other users, and further guarantee the security of the data.

公开(公告)号：US20170164243A1

公开(公告)日：2017-06-08

申请号：US15439259

申请日：2017-02-22

Applicant: Samsung Electronics Co., Ltd. ,  BEIJING SAMSUNG TELECOM R & D CENTER

Inventor： Lixiang XU ,  Hong WANG ,  Huarui LIANG

IPC: H04W36/00 ,  H04W36/08

CPC classification number: H04W36/0033 ,  H04W36/0061 ,  H04W36/08 ,  H04W84/045 ,  H04W92/20

Abstract: A method for handover of User Entity (UE) by a source Base Station (BS) is provided. The method includes determining whether to handover the UE using an X2 interface, transmitting a handover request message to a target BS, the handover request message including Closed Subscriber Group (CSG) information of the target BS, and receiving a handover request acknowledgement message from the target BS, wherein the determining of whether to handover the UE using the X2 interface includes, if there is the X2 interface between the source BS and the target BS, and if the target BS does not support a CSG or the target BS supports a same CSG supported by the source BS, determining to perform the handover of the UE using the X2 interface, and obtaining the CSG information of the target BS through an X2 interface set up procedure.

公开(公告)号：US20140364135A1

公开(公告)日：2014-12-11

申请号：US14299612

申请日：2014-06-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huarui LIANG ,  Lixiang XU ,  Hong WANG

IPC: H04W76/06 ,  H04W88/02 ,  H04W8/18 ,  H04W48/06

CPC classification number: H04W76/066 ,  H04W8/18 ,  H04W36/22 ,  H04W48/06 ,  H04W76/36 ,  H04W84/045 ,  H04W88/02

Abstract: The present invention discloses a method of and system for performing the access control as well as a radio resource management entity. The method includes: detecting, by a hybrid radio resource management entity, an access control trigger event, determining, by the hybrid radio resource management entity, a non-Closed Subscriber Group (CSG) User Equipment to be removed, and disconnecting, by the hybrid radio resource management entity, the connection with the non-CSG User Equipment to be removed.

Abstract translation: 本发明公开了一种执行访问控制的方法和系统以及无线电资源管理实体。 该方法包括：由混合无线资源管理实体检测接入控制触发事件，由混合无线资源管理实体确定要移除的非封闭用户组（CSG）用户设备，并由 混合无线资源管理实体，与非CSG用户设备的连接要删除。

公开(公告)号：US20210314823A1

公开(公告)日：2021-10-07

申请号：US17347858

申请日：2021-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang XU ,  Hong WANG ,  Huarui LIANG

IPC: H04W36/00

Abstract: A method for supporting indication of a failure event to a source access system is provided. The method includes notifying, by the source access system, information of a source cell to a target access system, routing, by the target access system, a message to the base station or the base station controller of the source access through a core network by use of the information of the source cell received from the source access system when the target access system needs to transmit a message to the source access system. By use of the method provided by the present disclosure, a problem of mobility robustness optimization (MRO) among different radio access technology (RAT) may be notified to the source access system, so as to avoid impact for a terminal, reduce operator configuration.

公开(公告)号：US20200067689A1

公开(公告)日：2020-02-27

申请号：US16673676

申请日：2019-11-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong WANG ,  Lixiang XU ,  Huarui LIANG

IPC: H04L5/00

Abstract: A system for configuring a UE-AMBR includes a MME to send the UE-AMBR to an eNB covering the serving cell of the UE, the eNB covering the serving cell of the UE establishes a radio access bearer of the UE on at least one secondary cell. The MME sends an AMBR of the UE in the primary eNB covering the serving cell of the UE and an AMBR of the UE in a secondary eNB to the primary eNB. The primary eNB sends the AMBR of the secondary eNB to the corresponding secondary eNB. The technical solutions of the present disclosure can make total rate of all non-GBR services of the UE be not larger than the UE-AMBR when the UE has multiple S1 bearers or one S1 bearer.

公开(公告)号：US20170019844A1

公开(公告)日：2017-01-19

申请号：US15277466

申请日：2016-09-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huarui LIANG ,  Hong WANG ,  Lixiang XU ,  Xiaoqiang LI

IPC: H04W48/00 ,  H04W76/02 ,  H04W48/08 ,  H04L29/12 ,  H04W8/08

CPC classification number: H04W48/17 ,  H04L61/2007 ,  H04W8/082 ,  H04W48/02 ,  H04W48/08 ,  H04W48/16 ,  H04W48/20 ,  H04W76/11 ,  H04W76/16 ,  H04W80/04 ,  H04W84/045

Abstract: A method for supporting packet data network (PDN) gateway (GW) selection, comprising the following steps of: receiving by a mobility management entity (MME) a local route optimization service request information; searching by the MME the internet protocol (IP) address of a PDN GW which supports local route optimization according to the IP address of a PDN GW on home evolved node B (HeNB) (PDN GWh); sending by the MME a bearer request establishment message to the PDN GWh. The method of the present invention can ensure core network equipment to find PDN GW correctly while HeNB system supports local route optimization.

Abstract translation: 一种用于支持分组数据网络（PDN）网关（GW）选择的方法，包括以下步骤：由移动性管理实体（MME）接收本地路由优化服务请求信息; 由MME根据家庭演进节点B（HeNB）（PDN GWh）上的PDN GW的IP地址，检索支持本地路由优化的PDN GW的网际协议（IP）地址; 由MME向PDN GWh发送承载请求建立消息。 本发明的方法可以确保核心网设备在HeNB系统支持本地路由优化的同时正确找到PDN GW。

公开(公告)号：US20150341786A1

公开(公告)日：2015-11-26

申请号：US14758019

申请日：2013-12-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hong WANG ,  Lixiang XU ,  Huarui LIANG

IPC: H04W12/04 ,  H04L5/00 ,  H04W76/04 ,  H04L29/06

CPC classification number: H04W12/04 ,  H04L5/0032 ,  H04L63/068 ,  H04W56/00 ,  H04W76/27

Abstract: The present application discloses a method for synchronizing encryption information between a SCell and UE, which includes that: the SCell transmits a COUNT value of RB established for the UE to a PCell; the PCell transmits the COUNT value received from the SCell to the UE; and the PCell receives a COUNT value of RB established on the SCell that is saved by the UE from the UE. Or, the SCell and the UE may directly exchange the COUNT value of RB. By the present application, the security and correctness of data can be ensured.

Abstract translation: 本申请公开了一种用于在SCell和UE之间同步加密信息的方法，其包括：SCell向PCell发送为UE建立的RB的COUNT值; PCell将从SCell接收的COUNT值发送给UE; 并且PCell接收由UE从UE保存的SCell上建立的RB的COUNT值。 或者，SCell和UE可以直接交换RB的COUNT值。 通过本申请，可以确保数据的安全性和正确性。