Patents by Inventor Xiaowan KE

Xiaowan KE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190357106
    Abstract: The present invention provides a data transmission supporting method, which includes obtaining, by a first node, access information of a UE; transmitting, by the first node, data information associated with the UE or data of the UE buffered in the first node to a second radio access network node accessed by the UE according to the access information. According to the present disclosure, service continuity requirements in the further mobile communication network can be effectively adapted.
    Type: Application
    Filed: June 23, 2017
    Publication date: November 21, 2019
    Inventors: Xiaowan KE, Hong WANG, Lixiang XU
  • Publication number: 20190349812
    Abstract: The present disclosure discloses methods, systems and devices for supporting local breakout in a small cell architecture. An MME sends information of a local breakout bearer for a UE to a MeNB, and the MeNB determines a local home network to which the local breakout bearer belongs according to the received information. When the MeNB is to switch the local breakout bearer between different eNBs, the MeNB selects an eNB in the local home network to which the local breakout bearer belongs as a target eNB. By the present disclosure, the continuity of local breakout traffic may be ensured when a User Equipment (UE) moves in a small cell scenario, thereby avoiding data loss and improving user experiences. Further, a local breakout bearer may be released timely and reasonably, thereby saving system resources.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 14, 2019
    Inventors: Lixiang XU, Xiaowan KE, Hong WANG
  • Patent number: 10476652
    Abstract: The present application provides a method for implementing a device to device (D2D) communication between UEs, wherein a UE and a network obtain each other's capability of Proximity Service (ProSe); the UE may activate the capability of ProSe that both the UE and the network support and initiates a request for a ProSe service with another UE to the network; the network authenticates the request for the ProSe service according to subscription information for the UE's device to device communication; and the network establishes a device to device PDN bearer between the two UEs for the request for the ProSe service passing the authentication. The present application further provides a user equipment. The present application is the basis for implementing the ProSe, the application thereof can satisfy service demands of public safety communication and realize network resource optimization configuration.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: November 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiaowan Ke, Hong Wang, Lixiang Xu
  • Patent number: 10462719
    Abstract: The present invention provides a method for supporting transmission of a group service, which includes: a MCE sends a pending notification message to a MME, wherein the pending notification message includes an identity (TMGI) of a GCSE service; and the MME sends the pending notification message to a GCSE server or a BM-SC. The present disclosure also provides a system for supporting transmission of the group service, a method for establishing a GCSE data bearer and a base station. By adopting the present disclosure, the risk of data loss due to a change of the data bearer is reduced, time delay of establishing the data bearer is reduced, air interface resource is effectively utilized, and power consumption of A UE is saved.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 29, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hong Wang, Lixiang Xu, Xiaowan Ke
  • Publication number: 20190320476
    Abstract: A method and an apparatus of establishing dual-connectivity to transmit data are disclosed. A PCell of the UE carries out a mapping function and realizes a PDCP layer, a RLC layer, a MAC layer and a physical layer, and a SCell of the UE carries out quality packet data to data radio bearer mapping and realizes a PDCP layer, a MAC layer and a physical layer, in which a core network transmits data of the UE to the PCell, the PCell maps a QoS Flow of the data of the UE which is quality packet data to a data radio bearer on a mapping layer, performs path split, transmits data of respective paths to the UE through the PCell and SCell of the UE, and the UE regroups the data of the respective paths on the PDCP layer, and transmits the regrouped data to an application layer.
    Type: Application
    Filed: September 29, 2017
    Publication date: October 17, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong WANG, Xiaowan KE, Lixiang XU, Qi LI
  • Patent number: 10447700
    Abstract: A method for controlling, charging and positioning a UE is disclosed, which includes: a master base station sending closed subscriber group (CSG) member status of the UE in a secondary cell to a secondary base station; the master base station sending a CSG identity of the secondary cell and a PLMN identity selected for the UE that serves the UE in a cell of the secondary base station to a mobility management entity (MME); the MME validating CSG member status of the UE in the secondary cell; and the MME sending the validated CSG member status to the master base station with the present application, the UE is able to properly access to the secondary cell, and access control and member validation, charging, and positioning may be performed for the UE reasonably, which improves the user experience.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke, Hong Wang
  • Patent number: 10432385
    Abstract: The present application provides a method for implementing a device to device (D2D) communication between UEs, wherein a UE and a network obtain each other's capability of Proximity Service (ProSe); the UE may activate the capability of ProSe that both the UE and the network support and initiates a request for a ProSe service with another UE to the network; the network authenticates the request for the ProSe service according to subscription information for the UE's device to device communication; and the network establishes a device to device PDN bearer between the two UEs for the request for the ProSe service passing the authentication. The present application further provides a user equipment. The present application is the basis for implementing the ProSe, the application thereof can satisfy service demands of public safety communication and realize network resource optimization configuration.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiaowan Ke, Hong Wang, Lixiang Xu
  • Patent number: 10405296
    Abstract: An embodiment of the present disclosure provides a method for supporting paging of a low complexity UE, including: determining, by a target base station during handover of a UE, whether a source base station during the handover supports low complexity UE, and transmitting paging capability information of the UE to a Mobility Management Entity MME in response to determining that the source base station does not support low complexity UE, wherein the paging capability information of the UE is used by the MME for paging the UE. The method provided by embodiments of the present disclosure is able to enhance paging with respect to the low complexity UE.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke
  • Patent number: 10397858
    Abstract: The present application discloses a method for enabling a user equipment to access a radio network, a network equipment and a user equipment. A specific embodiment of the method comprises: determining, by a network equipment, whether a predetermined condition is satisfied; and if yes, the method further comprises: transmitting, by the network equipment, information indicating whether a radio network to which the network equipment belongs is isolated, such that the user equipment performs related operations. In the embodiment, the network equipment informs UE of state information about whether the radio network to which network equipments belongs is isolated or not in different ways, so that the isolated network can provide users with reliable local bearer supporting service continuity, thereby meeting communication requirements for public safety and the like.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiaowan Ke, Lixiang Xu, Hong Wang
  • Patent number: 10382183
    Abstract: The present invention relates to the technical field of radio communications, and particularly to a method and apparatus for processing activation/deactivation of inter-eNodeB carrier aggregation. Embodiments of the present invention provide a method for processing activation/deactivation of inter-eNodeB carrier aggregation, comprising the steps of: receiving, by UE, an MAC CE for activation/deactivation of an SCell sent by a master eNodeB or a secondary eNodeB; determining, by the UE, the corresponding SCell; and performing, by the UE, activation/deactivation to the corresponding SCell according to the indication information in the MAC CE for activation/deactivation.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yu Qiu, Lixiang Xu, Xiaowan Ke, Hong Wang
  • Publication number: 20190246320
    Abstract: A method for controlling a wireless local area network (WLAN) bearer is provided. The method includes a base station receives information including at least one of WLAN information of a WLAN node, WLAN aggregation response information, WLAN aggregation update response information, WLAN aggregation update information and a WLAN capability of UE. According to the received information, the base station instructs the UE to perform traffic steering between an E-UTRAN and the WLAN, or instructs the UE to perform control processing for the EUTRAN and WLAN aggregation. By using the present disclosure, efficiency of WLAN bearer control is improved.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Inventors: Xiaowan KE, Lixiang XU, Hong WANG
  • Publication number: 20190246375
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present application provides a method for light connection control for a User Equipment (UE), comprising the following steps of: acquiring, by a first radio access network node, light connection information for a UE; storing, by the first radio access network node, the acquired light connection Information; and, performing, by the first radio access network node, light connection control of the UE based on the acquired light connection information for the UE. By adopting the technical scheme disclosed in the present application, the signaling overhead can be saved, and the delay of the UE access network can be reduced.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 8, 2019
    Inventors: Xiaowan KE, Hong WANG, Lixiang XU
  • Publication number: 20190246370
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. There is provided a method and apparatus for data transport control between wireless network systems, the method comprises: determining, by a first node, whether a predetermined condition is satisfied; and transmitting, by the first node, at least one of data transport command information and user equipment access information when the predetermined condition is satisfied.
    Type: Application
    Filed: January 5, 2018
    Publication date: August 8, 2019
    Inventors: Lixiang XU, Hong WANG, Xiaowan KE
  • Patent number: 10368268
    Abstract: The present disclosure discloses methods, systems and devices for supporting local breakout in a small cell architecture. A MME sends information of a local breakout bearer for a UE to a MeNB, and the MeNB determines a local home network to which the local breakout bearer belongs according to the received information. When the MeNB is to switch the local breakout bearer between different eNBs, the MeNB selects an eNB in the local home network to which the local breakout bearer belongs as a target eNB. By the present disclosure, the continuity of local breakout traffic may be ensured when a User Equipment (UE) moves in a small cell scenario, thereby avoiding data loss and improving user experiences. Further, a local breakout bearer may be released timely and reasonably, thereby saving system resources.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke, Hong Wang
  • Patent number: 10368275
    Abstract: The present application discloses a method for a master eNB (MeNB) handover or a secondary eNB (SeNB) handover in a small cell system, comprising: sending by a source MeNB information of a source secondary cell (Scell) to a target MeNB; sending by the target MeNB a message to the source MeNB, the message notifying the source MeNB to suspend data transmission on a bearer of the SeNB. Until a message of data transmission resuming is received, the data transmission/reception is started to continue. The method for a MeNB handover or a SeNB handover provided in the present application may reduce the reconfiguration of the bearer for the UE, avoid releasing the bearer by error, and improve the system throughput and the data rate of transmission.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke, Hong Wang
  • Publication number: 20190222291
    Abstract: In accordance with an aspect of the present disclosure, a method for supporting movement of a user equipment (UE) by a central unit (CU) in wireless communications is provided. The method comprises transmitting beam measurement configuration information to the UE; and receiving information of a candidate beam transmitted by a distributed unit (DU); wherein the information of the candidate beam is obtained by the DU based on a beam measurement result, and wherein the beam measurement result is obtained by the UE through measuring one or more beam signals based on the beam measurement configuration information.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 18, 2019
    Inventors: Hong WANG, Lixiang XU, Xiaowan KE
  • Publication number: 20190223152
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present application provides a method for light connection control for a User Equipment (UE), comprising the following steps of: acquiring, by a first radio access network node, light connection information for a UE; storing, by the first radio access network node, the acquired light connection Information; and, performing, by the first radio access network node, light connection control of the UE based on the acquired light connection information for the UE.
    Type: Application
    Filed: May 15, 2017
    Publication date: July 18, 2019
    Inventors: Xiaowan KE, Hong WANG, Lixiang XU
  • Publication number: 20190215750
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure discloses a method for controlling and paging a user equipment (UE). In the method, an access network node receives mobility level information of a UE; and the access network node performs handover control and/or measurement control and/or paging for the UE according to mobility level information of the UE. Provided with the present disclosure, system resources can be saved and overall system performance can be improved.
    Type: Application
    Filed: August 11, 2017
    Publication date: July 11, 2019
    Inventors: Lixiang XU, Hong WANG, Qi LI, Xiaowan KE
  • Publication number: 20190166526
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for performing access for a UE. In addition, the present disclosure discloses a data forwarding method and a data forwarding equipment, user equipment and base station. By the technical solutions disclosed in the present disclosure, a UE may help a base station to forward data of other UEs.
    Type: Application
    Filed: May 8, 2018
    Publication date: May 30, 2019
    Inventors: Lixiang XU, Weiwei WANG, Xiaowan KE, Hong WANG, Shichang ZHANG, Yingyang LI, Yi WANG, Xiaoning MA
  • Patent number: 10306529
    Abstract: A method and an apparatus for adjusting an amount of data to be assigned to a secondary base station in dual connectivity are provided. The method includes receiving, via an X2 interface between the first base station and a second base station from the second based station, first information on a buffer for an evolved universal terrestrial radio access network (E-UTRAN) radio access bearer (E-RAB), second information on a buffer for a terminal which is associated with the first base station and the second base station, and third information on packets lost in X2 transmission between the first base station and the second base station, and adjusting an amount of data to be assigned to the second base station based on the first information, the second information and the third information.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Wang, Lixiang Xu, Xiaowan Ke