公开(公告)号：US11265706B2

公开(公告)日：2022-03-01

申请号：US16587682

申请日：2019-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Huarui Liang ,  Lixiang Xu

IPC: H04W4/00 ,  H04W12/0431 ,  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：US11044006B2

公开(公告)日：2021-06-22

申请号：US16363979

申请日：2019-03-25

Applicant: Samsung Electronics Co., Ltd

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04B7/14 ,  H04W24/02 ,  H04W76/27 ,  H04W76/11 ,  H04W36/00 ,  H04W72/04 ,  H04W88/10

Abstract: A method enabling an relay node (RN) to support multiple wireless access techniques is provided, which includes: a mobility management element (MME) requests a DeNB to establish evolved radio access bearers (ERAB) of EUTRAN and indicates access network information that will be transmitted by each of the ERABs; the DeNB requests an RN to establish radio bearers (RB) and indicates the access network information that will be transmitted by each of the RBs. The above method makes fewer modifications to conventional networks and techniques, guarantees service quality provided for a UE accessing an LTE system, and enables an RN to support access of UEs using multiple access techniques.

公开(公告)号：US10791486B1

公开(公告)日：2020-09-29

申请号：US16882306

申请日：2020-05-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04W36/00 ,  H04W76/19 ,  H04W84/04

Abstract: A method for supporting fast recovery of a User Equipment (UE) includes performing, by a serving base station, UE context synchronization for one or more other base stations in a related small cell cluster when a UE accesses the serving base station, performing, by a base station that the UE performs a radio resource control (RRC) connection re-establishment, the RRC connection re-establishment for the UE according to UE context saved in a synchronization process. The present also discloses another method and system for supporting UE fast recovery. By applying the technical solution disclosed by the present disclosure, when the UE moves in a small cell scenario, the UE can be recovered quickly in the case of a failure, so as to avoid the UE returns to an idle mode, avoid data loss, guarantee business continuity, and improve UE experience.

公开(公告)号：US10582428B2

公开(公告)日：2020-03-03

申请号：US14040526

申请日：2013-09-27

Applicant: Samsung Electronics Co., Ltd

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04W36/00 ,  H04W84/04

Abstract: Methods and apparatuses for verifying HeNB. A method reduces and/or avoids affecting the operator's network due to the attack from HeNB, and ensures the safety of the users who have accessed the network.

公开(公告)号：US20190028936A1

公开(公告)日：2019-01-24

申请号：US16140321

申请日：2018-09-24

Applicant: Samsung Electronics Co., Ltd

Inventor： Lixiang XU ,  Hong Wang ,  Huarui Liang

IPC: H04W36/00 ,  H04W76/19

CPC classification number: H04W36/0055 ,  H04W36/0033 ,  H04W76/19 ,  H04W84/045

Abstract: A method for supporting fast recovery of a User Equipment (UE) includes performing, by a serving base station, UE context synchronization for one or more other base stations in a related small cell cluster when a UE accesses the serving base station, performing, by a base station that the UE performs a radio resource control (RRC) connection re-establishment, the RRC connection re-establishment for the UE according to UE context saved in a synchronization process. The present also discloses another method and system for supporting UE fast recovery. By applying the technical solution disclosed by the present disclosure, when the UE moves in a small cell scenario, the UE can be recovered quickly in the case of a failure, so as to avoid the UE returns to an idle mode, avoid data loss, guarantee business continuity, and improve UE experience.

公开(公告)号：US09942804B2

公开(公告)日：2018-04-10

申请号：US14879096

申请日：2015-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04W24/00 ,  H04W36/00 ,  H04W12/06 ,  H04W24/10 ,  H04W36/08 ,  H04W36/30

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：US09736687B2

公开(公告)日：2017-08-15

申请号：US14758019

申请日：2013-12-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Huarui Liang

IPC: H04M1/66 ,  H04M1/68 ,  H04M3/16 ,  H04W12/04 ,  H04L5/00 ,  H04W76/04 ,  H04W56/00 ,  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.

公开(公告)号：US09730115B2

公开(公告)日：2017-08-08

申请号：US14430311

申请日：2013-09-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04W36/00 ,  H04W24/02 ,  H04W36/14

CPC classification number: H04W36/0016 ,  H04W24/02 ,  H04W36/0061 ,  H04W36/0066 ,  H04W36/14

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：US20150358887A1

公开(公告)日：2015-12-10

申请号：US14761908

申请日：2014-01-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang ,  Xiaowan Ke

IPC: H04W36/32 ,  H04W4/08 ,  H04W36/00

CPC classification number: H04W36/32 ,  H04W4/08 ,  H04W36/0009 ,  H04W36/0055 ,  H04W36/00837

Abstract: The present application discloses a self-optimizing method for a UE group, which includes: a. a base station of a cell in the system adjusts mobility parameters of a specified UE group from the cell to another cell, and notifies the base station that the another cell belongs to of a relative value of mobility parameter change of the specified UE group in the cell; or, the base station of the cell requests base station of the another cell to adjust the mobility parameters of the specified UE group to the cell, and carry the relative value of mobility parameter change; b. the base station of the another cell determines which manner to take to adjust the mobility parameters of the specified UE group according to the relative value of the mobility parameter change received.

Abstract translation: 本申请公开了一种用于UE组的自优化方法，其包括：a。 系统中的小区的基站将小区的指定UE组的移动性参数调整到另一小区，并且向基站通知另一小区属于所指定的UE组的移动性参数变化的相对值 细胞; 或者，小区的基站请求另一小区的基站，将指定的UE组的移动性参数调整到小区，并携带移动性参数变化的相对值; b。 另一小区的基站根据接收到的移动性参数变化的相对值来决定采用何种方式来调整指定的UE组的移动性参数。

公开(公告)号：US20150289302A1

公开(公告)日：2015-10-08

申请号：US14432121

申请日：2013-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Lixiang Xu ,  Hong Wang ,  Huarui Liang

IPC: H04W76/02 ,  H04L29/06 ,  H04W8/26 ,  H04L12/66

CPC classification number: H04L12/66 ,  H04L65/102 ,  H04W8/26 ,  H04W24/02 ,  H04W76/10 ,  H04W76/11 ,  H04W76/12 ,  H04W84/045 ,  H04W92/045 ,  H04W92/20

Abstract: A method for setting up X2 through a gateway (GW) is provided. The method includes a home base station obtaining an Internet Protocol (IP) address of a neighbor base station through a Transport Network Layer (TNL) address discovery process, transmitting to an X2 GW the obtained IP address of the neighbor base station, and receiving an X2 setup information confirmation message from the X2 GW, initiating an X2 interface setup process with the neighbor base station, or initiating an evolved NodeB (eNB) configuration update process with the neighbor base station. The method can reduce impact on a macro base station, and reduce complexity of configuration of an operator, so that an X2 handover is practicable.

Abstract translation: 提供了一种通过网关（GW）设置X2的方法。 该方法包括家庭基站通过传输网络层（TNL）地址发现处理获得邻居基站的因特网协议（IP）地址，向X2 GW发送所获得的邻近基站的IP地址， X2设置信息确认消息，与邻居基站发起X2接口建立过程，或者与邻居基​​站发起演进的NodeB（eNB）配置更新过程。 该方法可以减少对基站的影响，降低运营商的配置复杂度，从而实现X2切换。