Patents by Inventor Yuan Xia

Yuan Xia 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: 20160157196
    Abstract: A method and device for sending a synchronization signal and a method and device for synchronization between base stations, include: determining, by a synchronization source base station according to a synchronization level of the synchronization source base station, a resource for sending an NLRS for clock synchronization between base stations, and according to the determined resource. In this way, one NLRS for clock synchronization between base stations is configured on each synchronization source base station, and the NLRS is sent on a resource determined according to a synchronization level, so that a synchronization base station that acquires the NLRS can determine the synchronization level of the synchronization source base station according to a resource for sending the NLRS.
    Type: Application
    Filed: January 12, 2016
    Publication date: June 2, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuan Xia, Juan Zheng, Xiaoan Fan, Sha Ma, Qiang Li
  • Publication number: 20160100398
    Abstract: Embodiments of the present invention provide an uplink control information transmission method, user equipment, and a base station. In a first uplink demodulation reference signal (UL DMRS) pattern, resource elements (Res) in one orthogonal frequency division multiplexing (OFDM) symbol in an uplink subframe are used to carry the UL DMRS. The method includes: mapping, by user equipment (UE), uplink control information (UCI) to REs in the uplink subframe according to the first UL DMRS pattern, where an OFDM symbol in which the REs carrying the UCI are located is adjacent to the OFDM symbol in which the REs carrying the UL DMRS are located; and sending, by the UE to a base station, the uplink subframe that carries the UCI.
    Type: Application
    Filed: December 16, 2015
    Publication date: April 7, 2016
    Inventors: Yuan Xia, Liang Xia, Sha Ma
  • Publication number: 20160087752
    Abstract: The method includes: learning, by a terminal, a first CQI index according to a first CQI table, and sending the first CQI index to a base station; receiving, by the base station, the first CQI index sent by the terminal device, determining a first MCS index according to the first CQI table, a first MCS table, and the received first CQI index, and sending the determined first MCS index to the terminal device; and receiving, by the terminal, the first MCS index sent by the base station, and determining a modulation order and a code block size according to the first MCS table and the received first MCS index, where the first CQI table includes an entry in which a modulation scheme is higher than 64QAM, and the first MCS table includes an entry in which a modulation scheme is higher than 64QAM.
    Type: Application
    Filed: December 7, 2015
    Publication date: March 24, 2016
    Inventors: Liang XIA, Yuan XIA
  • Publication number: 20150327225
    Abstract: Disclosed are a method for sending control information, a base station, and a user equipment (UE). Taking implementation of the method as an example, the method comprises: a base station determining a first subframe and a second subframe, wherein the first subframe is a subframe having a control region, and the second subframe is a subframe with no control region; and the base station sending control information to a UE in the control region of the first subframe, and sending a data signal and/or an enhanced physical downlink control channel (ePDCCH) on the second subframe to the UE. By means of this solution, the first subframe has a control region, the second subframe does not have a control region, and not all the subframes have a control region; therefore, the system overhead is reduced.
    Type: Application
    Filed: July 17, 2015
    Publication date: November 12, 2015
    Inventors: Liang XIA, Yuan XIA, Xiaoan FAN, Sha MA, Qiang LI, Lei GUAN
  • Patent number: 9077496
    Abstract: The present invention relates to a method for generating a reference signal, including: obtaining first control information, where the first control information indicates or includes cyclic shift related information which is used by a terminal belonging to a serving cell to send a reference signal; and sending the first control information to the terminal belonging to the serving cell, so that the terminal belonging to the serving cell generates the reference signal according to the cyclic shift related information which is indicated or included by the first control information and used by the terminal to send the reference signal, where a variation rule of a cyclic shift which the terminal belonging to the serving cell uses to generate the reference signal is the same as that of a cyclic shift which a terminal belonging to a coordinated cell uses to generate the reference signal.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: July 7, 2015
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mingyu Zhou, Lei Wan, Xiaotao Ren, Yuan Xia, Zuomin Wu, Qiang Li
  • Publication number: 20150009853
    Abstract: A method, device and user equipment (UE) for transmitting multi-cell scheduling information is provided. When at least two cells are serving the UE, the method for transmitting multi-cell scheduling information includes determining a main cell of the UE from the at least two cells and transmitting, in the main cell, the scheduling information of the main cell and an auxiliary cell which are serving the UE.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 8, 2015
    Inventors: Lei Wan, Sha Ma, Mingyu Zhou, Jingyuan Sun, Chengyu Wang, Di Zhu, Yuan Xia, Xiaotao Ren, Shujun Dang
  • Publication number: 20140369203
    Abstract: Embodiments of the present invention provide a congestion control method, a device, and a system. In the embodiments of the present invention, because a gateway device, unlike a gateway device that performs congestion control on all user equipments by using a same control policy in the prior art, performs congestion control on a user equipment according to a real-time location of the user equipment and a real-time congestion situation of a location region in which the user equipment is camping, thereby improving flexibility and accuracy of congestion control.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Inventors: Wujun Luo, Yuan Xia, Qingchun Lin
  • Patent number: 8908818
    Abstract: A channel estimation method, comprising when it is determined that in-band SRSs are required to be transmitted, acquiring the number of transmitting antenna ports and the number of layers of the currently transmitted DMRSs; calculating the difference of the number of the transmitting antenna ports and the number of layers of the currently transmitted DMRSs, and using the difference as the number of in-band SRSs that are required to be transmitted; transmitting in-band SRSs to a receiving-end device according to the number of in-band SRSs that are required to be transmitted, to enable the receiving-end device to perform channel estimation according to the currently transmitted DMRSs and the received in-band SRSs.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: December 9, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Qiang Li, Mingyu Zhou, Yuan Xia
  • Publication number: 20140321401
    Abstract: Disclosed are a data transmission method, apparatus and system in a heterogeneous network. The data transmission method in a heterogeneous network comprises: a macro base station carrying control information in a subframe, transmitting the control information to a terminal in a control-frequency band, and informing a low power node of the control information; according to the control information, the low power node carrying data information in a subframe and transmitting the data information to a terminal by a data-frequency band; the control-frequency band and the data-frequency band are statically deployed, and the control-frequency band and the data-frequency band are non-overlapped.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Yongping Zhang, Yuan Xia, Junren Chang, Shulan Feng
  • Patent number: 8861387
    Abstract: A method, device and user equipment (UE) for transmitting multi-cell scheduling information is provided. When at least two cells are serving the UE, the method for transmitting multi-cell scheduling information includes the following steps: determining a main cell of the UE from the at least two cells; transmitting, in the main cell, the scheduling information of the main cell and an auxiliary cell which are serving the UE.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: October 14, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Sha Ma, Mingyu Zhou, Jingyuan Sun, Chengyu Wang, Di Zhu, Yuan Xia, Xiaotao Ren, Shujun Dang
  • Patent number: 8817636
    Abstract: A method, a system, and equipment for information processing are provided. The method includes receiving information sent by a source eNodeB of UE, where the information includes processing status information and data information which are obtained after the source eNodeB processes data transmitted by the UE, or data information in at least two user plane protocol stacks of the source eNodeB, or data information in user plane protocol stacks except PDCP in the source eNodeB; and correspondingly, transmitting data with the UE according to the processing status information and data information, or the data information in the at least two user plane protocol stacks, or the data information in user plane protocol stacks except PDCP.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: August 26, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weiwei Song, Yinghui Yu, Lei Wan, Xin Xiong, Yuan Xia, Xiaorui Zheng, Xiaotao Ren, Jingdong Peng
  • Patent number: 8804651
    Abstract: The embodiments of the present invention disclose resource configuration methods and devices of a demodulation reference signal. The method includes determining the first number of a first transmission layers of a user equipment (UE) for transmitting uplink data; selecting a combination of a Cyclic Shift (CS) resource and an Orthogonal Cover Code (OCC) sequence from one combination item according to the first number of the first transmission layers for each of the first transmission layers; wherein the one combination item is among a plurality of predetermined combination items, each of the plurality of predetermined combination items comprises the second number of predetermined CS resources and OCC sequences respectively corresponding to the maximum number of transmission layers supportable by the communication system. The solutions of the present invention can simplify the complexity of a protocol describing the DMRS resource configurations, and is helpful for reducing inter-codeword DMRS interferences.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 12, 2014
    Assignee: Huawei Technologies Co., Ltd
    Inventors: Yang Li, Mingyu Zhou, Yuan Xia
  • Patent number: 8787491
    Abstract: The disclosure discloses a method for generating a reference signal. The method includes: a user equipment receiving a first signaling carrying reference signal solution information sent by a base station, wherein the reference signal solution information has at least one mapping relation with at least one piece of orthogonal code configuration information and at least one hopping mode, and the at least one mapping relation is stored in the base station and the user equipment; determining a corresponding piece of orthogonal code configuration information and a corresponding hopping mode according to the received reference signal solution information and the stored at least one mapping relation; and generating a reference signal according to the determined piece of orthogonal code configuration information and the determined hopping mode.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: July 22, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mingyu Zhou, Yuan Xia, Qiang Li, Zuomin Wu
  • Patent number: 8689996
    Abstract: A system includes a container assembly comprising a cover threadingly coupled to a container along a threaded interface portion of an interface and a cover lock assembly. The cover lock assembly includes a lock screw configured to selectively move between a cover lock position and a cover release position. The lock screw extends across the interface to resist threaded rotation of the cover relative to the container in the cover lock position, and the lock screw is recessed away from the interface to enable threaded rotation of the cover relative to the container in the cover release position. The cover lock assembly also includes a lock insert configured to block movement of the lock screw from the cover lock position to the cover release position.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: April 8, 2014
    Assignee: General Electric Company
    Inventors: Xu Ting, Kai Fan, Yuan Xia
  • Publication number: 20140086093
    Abstract: An implementation manner of the present invention provides a reference signal sequence configuration method. The method includes: selecting, by a network device and from candidate IDs, an ID used for generating a reference signal initialization sequence for a terminal, where the candidate IDs include at least two IDs, and the selected ID does not include a scrambling ID; and generating a reference signal initialization sequence for the terminal according to the selected ID. An implementation manner of the present invention further provides a network device. In the reference signal sequence configuration method and the network device, a reference signal initialization sequence is generated according to the selected ID, thereby providing a manner of generating a reference signal initialization sequence different from the manner in the prior art.
    Type: Application
    Filed: December 3, 2013
    Publication date: March 27, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Kunpeng LIU, Liang XIA, Yuan XIA
  • Publication number: 20130082061
    Abstract: A system includes a container assembly comprising a cover threadingly coupled to a container along a threaded interface portion of an interface and a cover lock assembly. The cover lock assembly includes a lock screw configured to selectively move between a cover lock position and a cover release position. The lock screw extends across the interface to resist threaded rotation of the cover relative to the container in the cover lock position, and the lock screw is recessed away from the interface to enable threaded rotation of the cover relative to the container in the cover release position. The cover lock assembly also includes a lock insert configured to block movement of the lock screw from the cover lock position to the cover release position.
    Type: Application
    Filed: August 10, 2012
    Publication date: April 4, 2013
    Applicant: General Electric Company
    Inventors: Xu Ting, Kai Fan, Yuan Xia
  • Publication number: 20120307868
    Abstract: The present invention relates to a method for generating a reference signal, including: obtaining first control information, where the first control information indicates or includes cyclic shift related information which is used by a terminal belonging to a serving cell to send a reference signal; and sending the first control information to the terminal belonging to the serving cell, so that the terminal belonging to the serving cell generates the reference signal according to the cyclic shift related information which is indicated or included by the first control information and used by the terminal to send the reference signal, where a variation rule of a cyclic shift which the terminal belonging to the serving cell uses to generate the reference signal is the same as that of a cyclic shift which a terminal belonging to a coordinated cell uses to generate the reference signal.
    Type: Application
    Filed: August 13, 2012
    Publication date: December 6, 2012
    Inventors: Mingyu ZHOU, Lei Wan, Xiaotao Ren, Yuan Xia, Zuomin Wu, Qiang Li
  • Publication number: 20120166803
    Abstract: A verification method includes obtaining a Uniform Resource Locator (URL) link from a user terminal. The URL link is generated by a portal server according to obtained user terminal information and includes the user terminal information. The method further includes obtaining the user terminal information included in the URL link and performing a validity check according to user terminal information stored on a network side and the user terminal information included in the URL link. The validity check can be performed on the URL link according to the user terminal information, which prevents different users from accessing a resource through the same correct URL link and avoids occurrence of link theft.
    Type: Application
    Filed: March 1, 2012
    Publication date: June 28, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xiang Hu, Yuan Xia, Qin Qu, Wujun Luo, Zijun Zhou, Yan Su, Sheng Liu
  • Publication number: 20120039260
    Abstract: A method, a system, and equipment for information processing are provided. The method includes receiving information sent by a source eNodeB of UE, where the information includes processing status information and data information which are obtained after the source eNodeB processes data transmitted by the UE, or data information in at least two user plane protocol stacks of the source eNodeB, or data information in user plane protocol stacks except PDCP in the source eNodeB; and correspondingly, transmitting data with the UE according to the processing status information and data information, or the data information in the at least two user plane protocol stacks, or the data information in user plane protocol stacks except PDCP.
    Type: Application
    Filed: October 27, 2011
    Publication date: February 16, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Weiwei SONG, Yinghui YU, Lei WAN, Xin XIONG, Yuan XIA, Xiaorui ZHENG, Xiaotao REN, Jingdong PENG
  • Publication number: 20110182200
    Abstract: A method, device and user equipment (UE) for transmitting multi-cell scheduling information is provided. When at least two cells are serving the UE, the method for transmitting multi-cell scheduling information includes the following steps: determining a main cell of the UE from the at least two cells; transmitting, in the main cell, the scheduling information of the main cell and an auxiliary cell which are serving the UE.
    Type: Application
    Filed: March 21, 2011
    Publication date: July 28, 2011
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei Wan, Sha Ma, Mingyu Zhou, Jingyuan Sun, Chengyu Wang, Di Zhu, Yuan Xia, Xiaotao Ren, Shujun Dang