Patents by Inventor Haibo Xu

Haibo Xu 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).

  • METHOD AND APPARATUS FOR CONTROLLING TRAFFIC STEERING AND COMMUNICATIONS SYSTEM
    Publication number: 20190387433
    Abstract: This application provides a method and apparatus for controlling traffic steering and a communications system. In an implementation of the method for controlling traffic steering, the method is applicable to an RAN node and includes: traffic steering indication information is determined; and the traffic steering indication information is transmitted to UE, so that the UE steers corresponding traffic to a traffic steering target according to the traffic steering indication information. With the method, load balance between 3GPP RAN and WLAN at an RAN level may be ensured, and in comparison with an existing mechanism, user experiences and system performance are improved.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Meiyi JIA, Haibo XU
  • Communication Path Switching Method and Device
    Publication number: 20190387446
    Abstract: A communication path switching method includes: sending, by first user equipment, a first message to a first network device, where the first message is used to request to switch a communication path of the first user equipment from a direct path to an indirect path; receiving, by the first user equipment, a second message sent by the first network device, where the second message carries at least one of first bearer configuration information and first indication information that is used to instruct the first user equipment to perform the communication path switching; and performing, by the first user equipment, the communication path switching based on the first indication information.
    Type: Application
    Filed: June 30, 2017
    Publication date: December 19, 2019
    Inventors: Haibo Xu, Yiru Kuang, Nathan Edward Tenny
  • REPORTING METHOD OF TERMINAL BUFFER STATE REPORT (BSR), OBTAINING METHOD FOR OBTAINING BSR FROM BASE STATION, AND CORRESPONDING TERMINAL, BASE STATION, COMMUNICATION SYSTEM
    Publication number: 20190387517
    Abstract: A terminal including; a memory configured to store a first table and a second table different from the first table; a receiver configured to receive a Radio Resource Control (RRC) Connection setup signaling including information indicating the first table or the second table, a controller configured to configure a buffer table to the first table or the second table according to the information; and, a transmitter configured to transmit a RRC Connection setup complete signaling after configured the table, wherein, the transmitter transmits a signal including an index of the buffer table accorded to amount of data that the terminal has, the index indicates a range of data amount.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Haibo XU, Yoshiaki OHTA, Katsumasa SUGIYAMA, Paul BUCKNELL
  • Bearer management apparatus and method, and communication system
    Patent number: 10512116
    Abstract: The embodiments of the present disclosure provide a bearer management apparatus and method, and a communication system. The method comprises: a user equipment (UE) receives an indication message, sent by a base station, for changing a bearer type of a bearer or releasing the bearer under dual connectivity; and changes the bearer type of the bearer or releases the bearer according to the indication message. Through the embodiments of the present disclosure, the UE configured with dual connectivity can seamlessly convert the bearer.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: December 17, 2019
    Assignee: Fujitsu Limited
    Inventors: Ningjuan Chang, Haibo Xu, Yanling Lu, Weiwei Wang
  • Relay selection method and apparatus and system
    Patent number: 10506419
    Abstract: Embodiments of this disclosure provide a relay selection method and apparatus and a system. The method includes: relay equipment broadcasts relay discovery information, the relay discovery information including identifier information (a relay UE ID) of the relay equipment and identifier information (a cell ID) of a serving cell of the relay equipment, so that remote terminal receiving the relay discovery information selects relay equipment according to the relay discovery information or transmits relay information of discovered relay equipment to an eNB, thus the eNB may select relay equipment for the remote terminal. With the embodiments of this disclosure, the serving cell may learn a cell where a relay to which the terminal accesses is located, so as to perform configuration for the terminal or perform path switching of downlink data.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 10, 2019
    Assignee: Fujitsu Limited
    Inventors: Lianhai Wu, Haibo Xu, Hua Zhou
  • Method for Adjusting Power of Terminal, and Terminal
    Publication number: 20190373565
    Abstract: A method for adjusting power of a terminal includes monitoring, by the terminal, usage of an uplink carrier, where the carrier usage includes at least one of a quantity of carriers, duration of continuous use of one or more carriers, and a temperature of the terminal. The method further includes adding, by the terminal, a power back-off value during calculation of power headroom when the terminal detects that the carrier usage satisfies a preset condition, to reduce a value of power headroom of the one or more carriers. The method further includes reporting, by the terminal, the value of the power headroom to a network device.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 5, 2019
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yongbo ZENG, Jian WANG, Haibo XU, Liping CHEN, Hongyue WANG
  • System and method for dynamic data relaying
    Patent number: 10499307
    Abstract: A method for dynamically relaying data includes receiving an advertisement for dynamic relaying services from a relay device, establishing a first device-to-device (D2D) connection with the relay device in accordance with the advertisement, transmitting a data packet to the relay device using the first D2D connection, and releasing the first D2D connection automatically after transmitting the data packet.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: December 3, 2019
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Nathan Edward Tenny, Haibo Xu
  • Sidelink Resource Scheduling Method, Apparatus, and System
    Publication number: 20190364554
    Abstract: A sidelink resource scheduling method includes receiving, by first user equipment, a first message from a network server, where the first message includes first information allocated by the network server to at least one second user equipment, and the first information indicates a data channel sidelink resource corresponding to the second user equipment, determining, by the first user equipment based on the first message, a second message corresponding to the at least one second user equipment, and sending the second message corresponding to the at least one second user equipment to the corresponding second user equipment, where the second message includes the first information.
    Type: Application
    Filed: January 23, 2017
    Publication date: November 28, 2019
    Inventors: Yiru Kuang, Haibo Xu, Jian Wang, Yongbo Zeng
  • Information Interaction Method, Base Station and Communication System
    Publication number: 20190364479
    Abstract: An information interaction method, applicable to a first base station by which coverage of a cell is to be changed, the information interaction method includes: notifying by the first base station to a second base station that the coverage of the cell is to be changed by using a new information element different from ServedCellsToAdd, the new information element is used to indicate that the coverage of the cell is to be changed including that a cell is to be closed or a cell being to be shrunk in coverage.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Applicant: FUJITSU CONNECTED TECHNOLOGIES LIMITED
    Inventors: Lianhai WU, Zhaojun LI, Weiwei WANG, Haibo XU
  • Method for Maintaining Time Advance Timer, Base Station and Terminal Equipment
    Publication number: 20190357160
    Abstract: A base station including: a judging unit configured to judge whether a band to be uplink adjusted includes only a band corresponding to a primary cell; and a transmitter configured to transmit a command for the band corresponding to the primary cell when the judging unit determines that the band to be uplink adjusted includes only the band corresponding to the primary cell, such that a timer relating to an uplink synchronization for the band corresponding to the primary cell is restarted.
    Type: Application
    Filed: July 30, 2019
    Publication date: November 21, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Yanling LU, Haibo XU, Weiwei WANG
  • Scheduling Request Sending Method and Terminal Device
    Publication number: 20190357245
    Abstract: Embodiments of the present invention provide a scheduling request sending method and a terminal device. The method includes: if data on a first logical channel of the terminal device triggers a buffer status report BSR, and the first logical channel is not configured with logical channel scheduling request prohibition, triggering a scheduling request SR in a running process of a logical channel scheduling request prohibit timer, and determining, by the terminal device, whether to send the SR. In the embodiments of the present invention, unnecessary triggering of the SR can be reduced.
    Type: Application
    Filed: September 14, 2018
    Publication date: November 21, 2019
    Inventors: Yiru Kuang, Xing Liu, Haibo Xu
  • Indication Method and Related Device
    Publication number: 20190357284
    Abstract: An indication method includes: receiving, by first user equipment, a first message sent by second user equipment, where the first message includes information indicating that the second user equipment supports an evolved user equipment-to-network relay function; and receiving, by the first user equipment, a second message sent by a network device, where the second message includes information indicating that the network device supports an evolved user equipment-to-network relay, or the second message includes information indicating that a cell in which the network device sends the second message supports an evolved user equipment-to-network relay.
    Type: Application
    Filed: February 4, 2017
    Publication date: November 21, 2019
    Inventors: Haibo Xu, Nathan Edward Tenny, Yiru Kuang, Jian Wang
  • Response Message Transmission Method and Apparatus
    Publication number: 20190357177
    Abstract: In the embodiments of the present invention, a base station can determine a relay communication period of remote user equipment by using indication information carried in a resource request of relay user equipment or by using a resource request of the remote user equipment, and allocate a resource in the relay communication period to the relay user equipment, so that the relay user equipment returns a response message to the remote user equipment by using the resource. Therefore, for a request message sent by the remote user equipment, it can be ensured that the relay user equipment returns, in the relay communication period, a response message corresponding to the request message to the remote user equipment, to avoid a case in which the remote user equipment cannot detect the response message, and to reduce a failure probability of a service requested by the remote user equipment.
    Type: Application
    Filed: September 30, 2016
    Publication date: November 21, 2019
    Inventors: Yiru Kuang, Haibo Xu, Yongbo Zeng
  • System and method for improving paging
    Patent number: 10484964
    Abstract: A method for paging a first device by a second device includes sending, by the second device, a page message on a first path connecting the second device to the first device, and receiving, by the second device from the first device, a page response in response to the page message on a second path connecting the first device to the second device, wherein the first path and the second path are intentionally selected to be different in at least one of a number of hops in each path, radio access technology, cell or frequency carrier comprising each path, or width of beam pairs forming each path.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: November 19, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Aimin Justin Sang, Nathan Edward Tenny, Haibo Xu, Kai Xu, Hongcheng Zhuang
  • Resource configuration method and apparatus of reference signal and communications system
    Patent number: 10476643
    Abstract: A resource configuration method and apparatus of reference signal and a communications system. The resource configuration method includes: configuring one or more resources by a base station for a first reference signal which is precoded with one or more beam weighting coefficients, and configuring one or more resources for a second reference signal which is not precoded with one or more beam weighting coefficients or precoding of which is unknown to a UE; and transmitting one or more resource configurations of the first reference signal and one or more resource configurations of the second reference signal to the UE. Hence, a 3D MIMO system may flexibly support reference signals of multiple types.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 12, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Hua Zhou, Haibo Xu
  • System and method for network access using a relay
    Patent number: 10477608
    Abstract: A method for operating a user equipment (UE) includes receiving, by the UE from a network, a mobile subscriber identifier for the UE, the mobile subscriber identifier being exclusively assigned to the UE within a wireless tracking area of the network, and transmitting, by the UE to a relay node, an initial message of an access procedure for accessing a user data service of the network, wherein the initial message comprises a request to connect to a control node of the network, and wherein the initial message includes the mobile subscriber identifier, and an indication to relay the initial message over a first signaling radio bearer (SRB) to the control node.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: November 12, 2019
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Nathan Edward Tenny, Haibo Xu
  • Path Switching Method and Apparatus
    Publication number: 20190320495
    Abstract: A path switching method includes: determining, by a base station, to switch a first terminal device from a first communication link to a second communication link, and sending, to the first terminal device by using a second terminal device, access information required by the first terminal device to access the base station, so that the first terminal device establishes the second communication link to the base station based on the access information. In the method, the second terminal device may release the first communication link before or after the second communication link is established, or may release the first communication link in a process of establishing the second communication link.
    Type: Application
    Filed: November 11, 2016
    Publication date: October 17, 2019
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yiru Kuang, Haibo Xu, Jian Wang, Yongbo Zeng
  • Method and apparatus for controlling traffic steering and communications system
    Patent number: 10440612
    Abstract: This application provides a method and apparatus for controlling traffic steering and a communications system. In an implementation of the method for controlling traffic steering, the method is applicable to an RAN node and comprises: traffic steering indication information is determined; and the traffic steering indication information is transmitted to UE, so that the UE steers corresponding traffic to a traffic steering target according to the traffic steering indication information. With the method, load balance between 3GPP RAN and WLAN at an RAN level may be ensured, and in comparison with an existing mechanism, user experiences and system performance are improved.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: October 8, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Meiyi Jia, Haibo Xu
  • Reporting method of terminal buffer state report (BSR), obtaining method for obtaining BSR from base station, and corresponding terminal, base station, communication system
    Patent number: 10440690
    Abstract: A terminal, includes a buffer status report table; at least another table for extended buffer status report; a receiver looks for an indication in a signaling received from a base station wherein the indication corresponds to a type of buffer status report table and selects a table from among the buffer status report table and the at least another table for extended buffer status report based on the indication corresponding to the type of buffer status report table, wherein the indication corresponding to the type of buffer status report table can be determined according to a type of the terminal; and an index sender sends the index to a base station an index obtained from the selected table according to an amount of data in a buffer of the terminal.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 8, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Haibo Xu, Yoshiaki Ohta, Katsumasa Sugiyama, Paul Bucknell
  • MAC control element uplink configuration method and device and communications system
    Patent number: 10440694
    Abstract: An MAC control element (CE) uplink configuration method and device, and communications system, the method includes: when an MAC CE is activated, determining, by user equipment (UE), whether an uplink grant of a serving cell in an authorization frequency band exists; and when the uplink grant of the serving cell in the authorization frequency band exists and can accommodate the MAC CE, allocating, by the UE and for the MAC CE, the uplink grant of the serving cell in the authorization frequency band. An embodiment of the present disclosure improves reliability for transmitting the MAC CE, in an LAA system, and reduces unnecessary latency or failure.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: October 8, 2019
    Assignee: Fujitsu Limited
    Inventors: Yanling Lu, Lianhai Wu, Haibo Xu