Patents by Inventor Yanyan Chen

Yanyan Chen 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: 20150031379
    Abstract: According to the embodiments of the present invention, a report measurement can be implemented between a radio network controller and a user equipment in a CELL_FACH state by using a current MC message and a current MR message; and in a process of implementing the report measurement, coordination between the report measurement and a cell reselection measurement executed by the user equipment can be implemented to minimize an impact of the report measurement on the cell reselection measurement.
    Type: Application
    Filed: September 15, 2014
    Publication date: January 29, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuliang ZHI, Yanyan CHEN, Xudong YANG, Bingzhao LI
  • Publication number: 20150031385
    Abstract: A method, apparatus, and system for triggering resource configuration are disclosed. The method includes: if user equipment (UE) in Cell_Paging Channel (Cell_PCH) state figures out that the total amount of buffer occupancy at the radio link control (RLC) layer or the Transport Channel Traffic Volume is larger than configured threshold, the UE carries an indication in a MEASUREMENT REPORT message and transmit the message to the network side, wherein the indication is used to trigger the network side to configure resources for the UE. With the present invention, the resource configuration is quickly triggered, and the delay of the UE in the data transmission is minimized.
    Type: Application
    Filed: October 14, 2014
    Publication date: January 29, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Yanyan CHEN
  • Publication number: 20150009887
    Abstract: The present invention discloses a method, a network device, and a user equipment for controlling access to a core network. The method includes: determining that a change occurs in access control information for controlling a user equipment to access a core network; and sending radio resource control signaling to the user equipment through a dedicated control channel, where the radio resource control signaling is used to notify the user equipment that a change occurs in the access control information, so that the user equipment updates the access control information. Therefore, a load of a core network node can be effectively controlled, and system performance is improved.
    Type: Application
    Filed: September 25, 2014
    Publication date: January 8, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanyan CHEN, Bingzhao Li
  • Patent number: 8917613
    Abstract: The present invention provides a method for transmitting keepalive information, a terminal, and a network device. The method includes: transmitting, by a terminal, first information to a network device, where the first information is used to instruct the network device to determine keepalive information to be received; the terminal transmits keepalive information to the network device, where the network device is configured to optimize the keepalive information. With the present invention, signaling loads are reduced.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 23, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Fangfu Guo, Dingzhang Dai, Yongqiang Gao, Dong Chen, Yanyan Chen, Xiaoxiao Zheng, Li Feng
  • Publication number: 20140342741
    Abstract: The present invention discloses a method for sending data. The method includes a cell virtual set is established directly or according to signal metric values of neighboring cells in a cell forward access channel state, where the cell virtual set includes at least a serving cell; a common relative grant channel of non-serving cells in the cell virtual set is monitored, and instruction information in the common relative grant channel is read; power for sending data to be sent is adjusted according to the read instruction information, and the data to be sent is sent by using the adjusted power. With the technical solution of the present invention, because a cell virtual set is established directly or according to signal metric values of neighboring cells in a cell forward access channel state, interference on neighboring cells can be reduced.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 20, 2014
    Inventors: Bingzhao LI, Yanyan CHEN
  • Patent number: 8885585
    Abstract: A method, apparatus, and system for triggering resource configuration are disclosed. The method includes: if user equipment (UE) in Cell_Paging Channel (Cell_PCH) state figures out that the total amount of buffer occupancy at the radio link control (RLC) layer or the Transport Channel Traffic Volume is larger than configured threshold, the UE carries an indication in a MEASUREMENT REPORT message and transmit the message to the network side, wherein the indication is used to trigger the network side to configure resources for the UE. With the present invention, the resource configuration is quickly triggered, and the delay of the UE in the data transmission is minimized.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: November 11, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Yanyan Chen
  • Publication number: 20140211769
    Abstract: Embodiments of the present application provide a method for determining a transmission time interval, a base station, and a radio network controller. A base station receives uplink data sent from a user equipment in an idle state or a cell forward access channel state on an enhanced dedicated transmission channel. The base station determines a transmission time interval (TTI) used by the user equipment for sending the uplink data, and sends the uplink data and a transmission time interval indicator in an enhanced dedicated transmission channel data frame to a radio network controller. The radio network controller acquires the TTI, thereby ensuring that the radio network controller selects and configures an appropriate TTI for the user equipment when the user equipment transits from the Cell_FACH state to the Cell_DCH state.
    Type: Application
    Filed: April 3, 2014
    Publication date: July 31, 2014
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Kun Yan, Yanyan Chen, Bingzhao Li
  • Publication number: 20140120935
    Abstract: A method for parameter configuration during channel switching is disclosed. After a common enhanced dedicated channel for uplink use to a terminal, a base station calculates an F-DPCH timing offset of the terminal in a non-Cell-DCH state, calculates a second F-DPCH timeslot format according to a first F-DPCH timing offset, a first F-DPCH timeslot format, and the F-DPCH timing offset of the terminal in the non-Cell-DCH state, and establishes a radio link by using the F-DPCH timing offset of the terminal in the non-Cell-DCH state and the second F-DPCH timeslot format. The method for parameter configuration during channel switching that is provided in an embodiment of the present invention can avoid interruption of uplink data transmission of the terminal. Embodiments of the present invention further provide a corresponding radio network controller and base station.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bingzhao Li, Yanyan Chen, Xiaoxiao Zheng
  • Publication number: 20140086207
    Abstract: The present invention discloses a method, an apparatus and a system for acquiring load information. In one method, a source access controller and a target access controller can interact through RAT handover related messages so that a source RAT system can acquire load information of a target RAT system when an inter-RAT PS handover is performed. This enables load balancing between different RAT systems so as to guarantee communications quality of the systems. In another method of the present invention, the source access controller and the target access controller interact through a RAN RIM based load information request message and an RIM based load information response message, so that the source RAT system can acquire load information of the target RAT system before an inter-RAT PS domain handover is performed. This enables load balancing between different RAT systems so as to guarantee the communications quality of the systems.
    Type: Application
    Filed: March 8, 2013
    Publication date: March 27, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xuanyu GUO, Yanyan Chen, Wei Guo, Boya Lv
  • Publication number: 20140086088
    Abstract: Embodiments of the present invention disclose a method and an apparatus for reporting scheduling information. The method includes: configuring a carrier as a primary carrier and configuring other carriers as secondary carriers according to an indication message sent by a network; setting a reporting format, where the reporting format includes a first reporting format and a second reporting format, the first reporting format includes UPH, TEBS, HLBS, and HLID information in sequence from left to right, a total length of the second reporting format is the same as that of the first reporting format, the second reporting format includes first information and second information, the first information includes UPH information of one or more secondary carriers, and the second information includes reserved bit information or format identification bit information; and reporting scheduling information in the reporting format to the network.
    Type: Application
    Filed: November 27, 2013
    Publication date: March 27, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yuliang ZHI, Bingzhao LI, Yanyan CHEN
  • Publication number: 20140080422
    Abstract: Embodiments of the present invention disclose a transmission method, apparatus, and system for uplink transmit diversity, which relate to the field of communications. To determine activation or deactivation of uplink transmit diversity in time and effectively to improve uplink transmission quality, the technical solution provided in the present invention is as follows: determining, by a base station, to activate/deactivate uplink transmit diversity of a user equipment and sending an activation/deactivate request indication to a radio network controller, the activation/deactivate request indication is used for the radio network controller to instruct the user equipment to activate/deactivate the uplink transmit diversity. The present invention is applicable to the control of uplink transmit diversity transmission.
    Type: Application
    Filed: January 21, 2013
    Publication date: March 20, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xuanyu Guo, Yanyan Chen, Yongqiang Gao, Bingzhao Li
  • Publication number: 20140056376
    Abstract: A transmission method, apparatus, and system based on uplink transmit diversity, relating to the field of communications are provided.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 27, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xuanyu GUO, Yanyan CHEN, Yongqiang GAO, Bingzhao LI
  • Patent number: 8644144
    Abstract: The present invention discloses a method for measuring IP network performance and controlling IP network QoS, and apparatus and system thereof. In embodiments of the present invention, the information about the measurement contents, the data stream to be measured, and the measurement modes is sent to the IP network performance measurement peer end, and the end-to-end IP network performance measurement of the measurement contents of the data stream to be measured is started according to the measurement modes.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: February 4, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jiangsheng Wang, Zhichang Lai, Yicheng Yang, Yanyan Chen
  • Publication number: 20140029553
    Abstract: Embodiments of the present invention provide a method for uplink access and a terminal device. The method includes: obtaining load information of multiple cells, where the load information is interference level values of the multiple cells or comparison relationship values of the interference level values; and determining, according to the load information of the multiple cells, an uplink access carrier to be used for uplink access. According to the embodiments of the present invention, when a terminal device initiates uplink access actively, the terminal device can select a proper uplink access carrier according to load information such as the interference level values of cells or comparison relationship values of the interference level values.
    Type: Application
    Filed: October 1, 2013
    Publication date: January 30, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bingzhao LI, Yongqiang Gao, Yanyan Chen, Kun Yan
  • Publication number: 20140022978
    Abstract: The embodiments of the present invention provide a reconfiguration method, a radio network controller (RNC) and a terminal. The method comprises: receiving a measurement report triggered based on state transition and sent from a terminal, the measurement report carrying indication information for triggering radio resource control (RRC) state transition; and sending a reconfiguration message to the terminal, the reconfiguration message comprising: a target state of the RRC state transition designated for the terminal, and/or corresponding radio bearer information and/or transport channel information and/or physical channel information when the terminal is in the RRC target state. Therefore, delay introduced in the configuration of dedicated transport channel is reduced, and efficiency of state transition performed by the RNC on the terminal is improved.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yanyan CHEN, Yang YU
  • Patent number: 8605666
    Abstract: A method, apparatus, and system for triggering resource configuration are disclosed. The method includes: if user equipment (UE) in Cell_Paging Channel (Cell_PCH) state figures out that the total amount of buffer occupancy at the radio link control (RLC) layer or the Transport Channel Traffic Volume is larger than configured threshold, the UE carries an indication in a MEASUREMENT REPORT message and transmit the message to the network side, wherein the indication is used to trigger the network side to configure resources for the UE. With the present invention, the resource configuration is quickly triggered, and the delay of the UE in the data transmission is minimized.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: December 10, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Yanyan Chen
  • Publication number: 20130294379
    Abstract: Disclosed are a method and a device for processing a service data stream. The method includes: a Media Access Control (MAC) layer transmitting data to a physical (PHY) layer; and the MAC layer notifying the PHY layer to process different data substreams by using different processing modes. The present invention is capable of saving network resources, increasing the number of access users and reducing the interference therebetween.
    Type: Application
    Filed: July 5, 2013
    Publication date: November 7, 2013
    Inventors: Xuanyu Guo, Yanyan Chen, Yinghong Yang, Bingzhao Li
  • Publication number: 20130294416
    Abstract: The present invention discloses a method and a user equipment for processing frequency information. The method for processing frequency information includes: receiving a measurement control message sent from network device, where the measurement control message contains frequency information for inter-frequency measurement without compressed mode; and clearing stored frequency information for inter-frequency measurement without compressed mode if the type of frequency information for inter-frequency measurement without compressed mode that is contained in the measurement control message is different from the type of the stored frequency information for inter-frequency measurement without compressed mode. The technical solutions disclosed in the present invention avoid a problem of measurement failure when a UE performs measurement without compressed mode on an adjacent frequency.
    Type: Application
    Filed: July 9, 2013
    Publication date: November 7, 2013
    Inventors: Bingzhao LI, Yongqiang GAO, Yanyan CHEN
  • Publication number: 20130250883
    Abstract: Embodiments of the present invention disclose a method and an apparatus for paging a user equipment in a Cell_PCH state and relate to the field of communication technologies. When a UE in a Cell_PCH state is paged by a network, congestion of HS-SCCH resources is reduced and an access delay of the UE is decreased. For example, a radio network controller instructs a base station to send data to a user equipment via a high speed physical downlink shared channel (HS-PDSCH). The user equipment is in a Cell_PCH state and has a dedicated radio network temporary identity (H-RNTI).
    Type: Application
    Filed: March 30, 2013
    Publication date: September 26, 2013
    Inventors: Xuanyu Guo, Xiaoying Xu, Qi Liu, Xiaoxiao Zheng, Yanyan Chen
  • Publication number: 20130230022
    Abstract: A method for switching of multi-carrier and device are provided. The method comprises: receiving a message sent from a source RAN node corresponding to a first link and comprising information of a second link; according to the information of the second link, establishing a connection between a target RAN node corresponding to the first link and an RAN node corresponding to the second link, so as to perform data transmission. The first link is a link in a first Radio Access Technology (RAT) network, and the second link is a link in a second RAT network. Embodiments of the present invention can ensure the continuity of the throughput of data transmission during switching under aggregation of multiple RAT carriers.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 5, 2013
    Applicant: Huawei Technologies Co., Ltd
    Inventors: Xuanyu GUO, Yanyan CHEN, Bingzhao LI