Patents by Inventor Xiaoying Xu

Xiaoying 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).

  • Publication number: 20180098325
    Abstract: An uplink data transmission resource obtaining method and apparatus are provided. The method includes: sending, by user equipment, a resource obtaining request to a first network node, and receiving a resource obtaining response that is returned by the first network node in response to the resource obtaining request, where the resource obtaining request is used to obtain an uplink data transmission resource used to transmit uplink data; determining, by the user equipment according to the received resource obtaining response, a serving network node that provides an uplink data transmission resource for the user equipment, and determining the uplink data transmission resource that is provided by the serving network node for the user equipment; and sending, by the user equipment, uplink data by using the uplink data transmission resource provided by the serving network node.
    Type: Application
    Filed: December 5, 2017
    Publication date: April 5, 2018
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lingli Pang, Xiaoxiao Zheng, Xiaoying Xu
  • Publication number: 20180084462
    Abstract: Embodiments provide a user equipment handover method, and a device. In embodiments of the present invention, when a handover is to be performed, user equipment may send first information that is used to request a handover, and then a destination network device may allocate a first uplink resource to the user equipment.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Inventors: Xiaoying Xu, Qufang Huang, Xiaoxiao Zheng
  • Publication number: 20180084564
    Abstract: The present invention discloses a bearer establishment method, user equipment, and a base station. The method includes: configuring, by user equipment (UE), a bearer for the UE by using a pre-stored configuration parameter, where the pre-stored configuration parameter includes an access stratum (AS) configuration parameter; and sending, by the UE, service data to a base station by using the bearer.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Inventors: Xiaoying XU, Xiaoxiao ZHENG, Lingli PANG
  • Publication number: 20180077612
    Abstract: Embodiments of the present application disclose a radio resource connection setup method, user equipment, and a base station. The method may include: initiating, by UE, a connection setup request message to a first base station to which a camped cell currently being camped on belongs; receiving, by the UE, a connection setup request message that carries an air interface resource of an access cell, where the access cell is a camped cell that is not of the UE and that is identified by the first base station; and feeding back, by the UE in the access cell, a connection setup acknowledgement message to a base station to which the access cell belongs. In the embodiments of the present application, a delay and signaling in a radio resource connection setup procedure can be reduced.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 15, 2018
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaoxiao ZHENG, Li YANG, Yi GUO, Xiaoying XU, Lingli PANG
  • Patent number: 9900768
    Abstract: Embodiments of the present invention provide a method and a device for synchronizing an uplink ciphering parameter in unacknowledged mode. The method for synchronizing an uplink ciphering parameter in unacknowledged mode includes: sending an indication message to a terminal when detecting that an unrecoverable error occurs in an uplink packet or that the uplink packet is invalid, where the indication message is used to instruct the terminal to initialize an uplink ciphering parameter; receiving a response message sent by the terminal; and initializing the uplink ciphering parameter according to an initial value of the ciphering parameter. The embodiments of the present invention solve a service defect, namely, a break of the communication link caused by synchronization of an uplink ciphering parameter between the terminal and the radio network controller in unacknowledged mode, and shorten the time of synchronizing the uplink ciphering parameter without interrupting the service.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: February 20, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaoxiao Zheng, Yinghong Yang, Li Feng, Xiaoying Xu, Zhufen Fu, Lunfeng Yu, Yafei Sun
  • Publication number: 20180049254
    Abstract: Embodiments of the present disclosure provide a data transmission method, terminal, and base station, relate to the communications field, and can improve data packet transmission efficiency. The data transmission method includes: receiving, by a terminal in an idle state, first resource sent from a base station, where the first resource is used by the terminal to send an uplink application layer data packet to the base station; and sending, by the terminal, on the first resource, the uplink application layer data packet to the base station. The data transmission method is applied to the data transmission system.
    Type: Application
    Filed: October 26, 2017
    Publication date: February 15, 2018
    Inventors: Xiaoying Xu, Xiaoxiao Zheng, Lingli Pang, Li Yang
  • Patent number: 9877244
    Abstract: The present invention provides an inter-frequency neighboring cell proximity detection method, an inter-frequency neighboring cell measurement method, a radio network controller, and user equipment. In this method, a signal of an intra-frequency cell of a current serving cell of a user equipment is measured, a measurement result is compared with proximity detection information of an inter-frequency neighboring cell, and reporting may be performed when the information is met.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: January 23, 2018
    Assignee: Huawei Technologies Co., Ltd
    Inventors: Xiaoying Xu, Dong Chen, Li Feng
  • Patent number: 9838909
    Abstract: Embodiments of the present invention provide a traffic offload method, a core network device, and a traffic offload system. The method includes: sending, user information that is of a user equipment within coverage of a first traffic offload function entity to the first traffic offload function entity; sending a traffic offload policy to the first traffic offload function entity, so that the first traffic offload function entity matches the user information with the traffic offload policy and offloads traffic corresponding to the user equipment according to the user information that successfully matches the traffic offload policy.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: December 5, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weisheng Jin, Xiaoying Xu, Min Xu, Haining Wang
  • Publication number: 20170324516
    Abstract: The present invention provides an uplink feedback method, user equipment, and a base station, where the method includes: detecting, by user equipment, downlink data in at least two consecutive downlink sub-frames; performing joint encoding, by the user equipment, for a feedback for the downlink data in the at least two consecutive downlink sub-frames; and transmitting, by the user equipment in an uplink sub-frame corresponding to the last sub-frame of the at least two consecutive downlink sub-frames, joint uplink feedback information for the at least two consecutive downlink sub-frames, so as to resolve issue how uplink feedback is performed when downlink bandwidth is different from uplink bandwidth.
    Type: Application
    Filed: July 21, 2017
    Publication date: November 9, 2017
    Inventors: Dong Chen, Xiaoying Xu
  • Patent number: 9813974
    Abstract: The present application relates to the field of communications technologies. In embodiments of the present application, the UE may first obtain information about a best cell on a secondary frequency and a list of information about cells whose frequency is the same as the secondary frequency. The UE may measure a cell on the secondary frequency, compare information about the cell with the information about the best cell on the secondary frequency, and determine, according to a comparison result, whether to report the event.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: November 7, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Min Xu, Xiaoying Xu, Xiaoxiao Zheng, Fangfu Guo
  • Patent number: 9794837
    Abstract: The present application discloses a measurement control apparatus, and can reduce handover signaling and improve a handover success rate. The apparatus of the present application mainly includes: a processor coupled with a non-transitory storage medium storing executable instructions; wherein the executable instructions, when executed by the processor, cause the processor to receive measurement configuration information sent by a control node, where the measurement configuration information includes a list of first-type cells, the type of first-type cells, a list of second-type cells, the type of second-type cells, hierarchical cell structure (HCS) priorities, a frequency of first-type cells, or a dedicated parameter for evaluating an event trigger threshold; detect cell signal quality or signal strength of a cell; and determine, according to the cell signal quality or signal strength and the measurement configuration information, whether to report an event or a measurement result to the control node.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: October 17, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dong Chen, Xiaoying Xu
  • Publication number: 20170265108
    Abstract: Embodiments of the present invention disclose a security processing method and system in a network handover process. The method includes: generating, by a network switching node, a target key after receiving a handover request; sending, by the network switching node, security information including the target key to a target network node, and receiving a handover response message sent by the target network node; and sending, by the network switching node, a handover command to a mobile terminal, so that the mobile terminal accesses a target network. By adopting the present invention, security processing in handover of a mobile terminal from a 3G network to an HSPA network or an LTE network may be completed in a case that the network switching node currently used in the network is not changed.
    Type: Application
    Filed: May 17, 2017
    Publication date: September 14, 2017
    Inventors: Jing CHEN, Dongmei ZHANG, Xiaoying XU
  • Publication number: 20170245182
    Abstract: Solution for security negotiation during handover of a user equipment (UE) between different radio access technologies are provided. In the solution, the UE receives NAS security information and AS security information which are selected by the target system and then performs security negotiation with the target system according to the received NAS security information and AS security information. As such, the UE may obtain the key parameter information of the NAS and AS selected by a LTE system and perform security negotiation with the LTE system when the UE hands over from a different system, such as a UTRAN, to the LTE system.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Inventors: Xiaoying XU, Jing CHEN
  • Patent number: 9735924
    Abstract: The present invention provides an uplink feedback method, user equipment, and a base station, where the method includes: detecting, by user equipment, downlink data in at least two consecutive downlink sub-frames; performing joint encoding, by the user equipment, for a feedback for the downlink data in the at least two consecutive downlink sub-frames; and transmitting, by the user equipment in an uplink sub-frame corresponding to the last sub-frame of the at least two consecutive downlink sub-frames, joint uplink feedback information for the at least two consecutive downlink sub-frames, so as to resolve the issue of how to perform uplink feedback when downlink bandwidth is different from uplink bandwidth.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: August 15, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dong Chen, Xiaoying Xu
  • Patent number: 9736802
    Abstract: Embodiments of the present invention provide a method, a convergent node, and a micro cell base station for managing information of a timing difference between a micro cell and a neighboring macro cell of the micro cell. A convergent node receives information related to the timing difference. The information is sent by a micro cell base station and includes the timing difference. Alternatively, the information includes a frame timing of the micro cell and a frame timing of the neighboring macro cell. If the timing difference is greater than a preset first threshold value of the timing difference, the convergent node to the micro cell base station sends instruction information for adjusting a frame clock value of the micro cell, or sends the micro cell base station reconfiguration information for reconfiguring at least part of timing difference parameters of the micro cell.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 15, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dong Chen, Xiaoying Xu
  • Patent number: 9699766
    Abstract: The embodiment of the present disclosure provided a method, device, and system for processing a message. The method for processing a message comprises obtaining a traffic type of a service data packet, sending the message or a data packet that carries the traffic type to a radio network controller, where the radio network controller obtains the traffic type and performs scheduling processing on the service data packet according to a quality of service requirement corresponding to the traffic type. The present disclosure can realize performing resource allocation and scheduling processing on the applications corresponding to the service data packet based on the traffic type. Compared to resource allocation and scheduling processing based on the traffic type in the prior art, the granularity of classification of the present disclosure is more refined, and can realize more refined resource allocation and scheduling processing, and can effectively improve the efficiency of scheduling processing.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: July 4, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dong Chen, Xiaoxiao Zheng, Xiaoying Xu, Yong Qiu, Ying Huang
  • Patent number: 9686678
    Abstract: Solution for security negotiation during handover of a user equipment (UE) between different radio access technologies is provided. In the solution, the UE receives non-access stratum (NAS) security information and access stratum (AS) security information which are selected by the target system and then performs security negotiation with the target system according to the received NAS security information and AS security information. As such, the UE may obtain the key parameter information of the NAS and AS selected by a long term evolution (LTE) system and perform security negotiation with the LTE system when the UE hands over from a different system, such as a universal terrestrial radio access network (UTRAN), to the LTE system.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 20, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaoying Xu, Jing Chen
  • Patent number: 9681339
    Abstract: Embodiments of the present invention disclose a security processing method and system in a network handover process. The method includes: generating, by a network switching node, a target key after receiving a handover request; sending, by the network switching node, security information including the target key to a target network node, and receiving a handover response message sent by the target network node; and sending, by the network switching node, a handover command to a mobile terminal, so that the mobile terminal accesses a target network. By adopting the present invention, security processing in handover of a mobile terminal from a 3G network to an HSPA network or an LTE network may be completed in a case that the network switching node currently used in the network is not changed.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: June 13, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jing Chen, Dongmei Zhang, Xiaoying Xu
  • Patent number: 9648524
    Abstract: Embodiments of the present invention relate to the field of communications technologies, provide a method, node, and system for selecting a target cell, which are capable of selecting a candidate cell with signal quality meeting a predetermined standard as a target cell for a UE. The method of the present invention includes: transmitting a detection instruction to a candidate cell, where the detection instruction is used to instruct the candidate cell to detect uplink signal quality of a user equipment (UE); receiving a detection result transmitted by the candidate cell, and determining a target cell according to the detection result. The embodiments of the present invention are mainly implemented in a process of UE handover.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: May 9, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dong Chen, Xiaoying Xu
  • Patent number: 9642062
    Abstract: A method, a system, and a network device for obtaining cell reselection priority are disclosed. The method includes: The network obtains information for calculating priority; and the network determines a terminal-specific private priority list according to the information, and delivers the determined private priority list specific to the terminal through special signaling; or the terminal obtains all or part of the information for calculating priority from the network, and determines its private priority list according to the obtained information; or both the network and the terminal determine the terminal-specific private priority list according to the information.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: May 2, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yinghua Huang, Boyun Xie, Zuoyan Zhu, Mingjiang Xie, Xiaofei Ma, Wen Gao, Xiaoying Xu