Patents by Inventor YuanFang Yu

YuanFang Yu 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).

  • Patent number: 9019875
    Abstract: The disclosure provides a system, end and method for transmitting 1x messages. The method comprises: when a sending terminal needs to send a plurality of 1x messages to a receiving terminal through a non-1x network, carrying the plurality of 1x messages in one message. With the technical solution of the disclosure, the problem that it is unable to ensure that a plurality of 1x Layer3 messages is transmitted synchronously under the related inter-working situation and the problem of the processing time sequence of messages are solved.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: April 28, 2015
    Assignee: ZTE Corporation
    Inventors: Yuanfang Yu, Xiaowu Zhao, Ting Lu, Yonggang Fang
  • Patent number: 9008717
    Abstract: The invention discloses a method for transmitting energy-saving management information. The method includes: a base station and its neighboring base station encapsulating and transmitting the energy-saving management information through an interface message. The invention further discloses a corresponding method for implementing base station energy saving, a system for transmitting the energy-saving management information, and a system for implementing base station energy saving. The invention can be used to solve transmission of the energy-saving information between base station devices of a network, and avoid the problems, for example, handoff and coverage loss caused by the base station being required to be shut off due to reasons such as energy saving, etc., thus guaranteeing network performance and user experience when the base station is performing the energy saving operation.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: April 14, 2015
    Assignee: ZTE Corporation
    Inventors: Yuanfang Yu, Yonggang Fang, Ting Lu, Xiaowu Zhao
  • Patent number: 8977303
    Abstract: Techniques, apparatuses, and systems include mechanisms for interworking circuit service fallback. In one implementation, a system for wireless communications can include one or more first base stations forming a first radio access network to provide wireless communications based on a first wireless technology; one or more second base stations forming a second radio access network to provide wireless communications based on a second wireless technology which is different from the first wireless technology, and an interworking service (IWS) module that is configured to provide the interworking between the first and second radio access networks for communications to a wireless device served by the system via either the first wireless technology or the second wireless technology, and uses a signal adaptation protocol to encapsulate messages in communicating with a wireless device served by the system. Other implementations are also provided in this document.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: March 10, 2015
    Assignees: ZTE Corporation, ZTE (USA) Inc.
    Inventors: Yonggang Fang, Rajesh Bhalla, Xiaowu Zhao, Ting Lu, Yuanfang Yu
  • Publication number: 20150063297
    Abstract: Disclosed are an information processing method of a multimode terminal, a multimode terminal and an access network device, wherein, a multimode terminal negotiates with an HRPD access network to determine to close a session keep-alive message initiated by the HRPD access network, the HRPD access network does not transmit a session keep-alive request message to said terminal after said terminal is switched to an LTE network from an HRPD network; and/or after negotiating to determine to close a session keep-alive message initiated by said terminal, said terminal does not transmit a session keep-alive request message to the HRPD network after being switched to the LTE network from the HRPD network. Said terminal acquires a dedicated priority of the HRPD and/or the LTE network from the HRPD access network, and performs network reselection in an idle state according to the dedicated priority when meeting an enabled condition of the dedicated priority.
    Type: Application
    Filed: April 1, 2013
    Publication date: March 5, 2015
    Inventors: Yuanfang Yu, Ting Lu, Xiaowu Zhao
  • Patent number: 8885533
    Abstract: Methods, apparatus and systems for enhanced slotted mode operation for wireless communication are disclosed. A first control message indicative of a first sleep cycle duration is received. When the first control message includes a first message field, a second control message that includes a second field indicative of a second sleep cycle duration that is greater than the first sleep cycle duration is transmitted.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: November 11, 2014
    Assignees: ZTE Corporation, ZTE (USA) Inc.
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Patent number: 8797917
    Abstract: The present invention discloses a method for a terminal to negotiate application support ability with a base station. The method comprises identifying application subtypes using different subtype values during session negotiation between the terminal and base station. The present invention further discloses a system for a terminal to negotiate application support ability with a base station, wherein the terminal is configured to identify the terminal supported application subtypes using different subtype values during session negotiation with the base station, and/or recognize the base station supported application subtypes identified using different subtype values by the bases station; and the base station is configured to recognize the terminal supported application subtypes identified using different subtype values by the terminal during session negotiation with the terminal, and/or identify the base station supported application subtypes using different subtype values.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: August 5, 2014
    Assignee: ZTE Corporation
    Inventors: Ting Lu, Yuanfang Yu
  • Publication number: 20140092867
    Abstract: Disclosed are a method and a system for inter-system redirection. The method comprises: a base station sending a first message to a terminal, instructing the terminal to perform redirection; and the terminal accessing the redirected network; wherein the first message carries at least one of the following: a type of wireless access technology, an identifier of whether to redirect, threshold information of redirection, recognition information of the redirected cell, carrier frequency information, return indication of redirection failure, and grouping information of redirection. The present invention solves the problem in the related art of mobile terminal in a HRPD network performing completely autonomous reselection between different systems, thus reducing the network load, lowering network operating costs, and ensuring to the greatest extent the quality of service for users.
    Type: Application
    Filed: January 18, 2012
    Publication date: April 3, 2014
    Applicant: ZTE CORPORATION
    Inventors: Yuanfang Yu, Ting Lu, Yonggang Fang, Xiaowu Zhao
  • Publication number: 20140018057
    Abstract: The invention discloses a method for transmitting energy-saving management information. The method includes: a base station and its neighboring base station encapsulating and transmitting the energy-saving management information through an interface message. The invention further discloses a corresponding method for implementing base station energy saving, a system for transmitting the energy-saving management information, and a system for implementing base station energy saving. The invention can be used to solve transmission of the energy-saving information between base station devices of a network, and avoid the problems, for example, handoff and coverage loss caused by the base station being required to be shut off due to reasons such as energy saving, etc., thus guaranteeing network performance and user experience when the base station is performing the energy saving operation.
    Type: Application
    Filed: February 22, 2012
    Publication date: January 16, 2014
    Applicant: ZTE CORPORATION
    Inventors: Yuanfang Yu, Yonggang Fang, Ting Lu, Xiaowu Zhao
  • Publication number: 20130307730
    Abstract: A wireless device performs a transmission on a primary and auxiliary access channels to enable reception by at least three base stations. The base stations perform a measurement on the received transmission, e.g., a time of arrival of the transmission. The base stations report their measurements to a position determination entity. The position determination entity estimates geographic position of the wireless device. One method used by the position determination entity includes tri-lateralization based on the received measurement reports.
    Type: Application
    Filed: May 21, 2013
    Publication date: November 21, 2013
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Patent number: 8559394
    Abstract: An active handover method and terminal based on the HRPD system are disclosed by the present invention. The method comprises that: a terminal receives an active handover command, wherein if a virtual connection has existed, the virtual connection is disconnected; and if a virtual connection is being established, the establishment process of the virtual connection is terminated; and High Rate Packet Data air interface connection is established. With the method, processing of the access terminal and the access network is specified, and the problem of long-time interruption in the service of the terminal is solved, processing efficiency of the access terminal and the access network can be improved, thereby improving the processing efficiency of the whole system.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: October 15, 2013
    Assignee: ZTE Corporation
    Inventors: Yuanfang Yu, Xiaowu Zhao, Yonggang Fang
  • Publication number: 20130267269
    Abstract: Techniques, devices, and systems that include mechanisms for network assisted fast adjustment of open loop power control mechanism. monitoring reverse link channels include calculating, based on results of the monitoring, an initial power adjustment value for controlling power of a wireless device in communication with the network and broadcasting the initial power adjustment value over a forward link control channel at least as often as a paging channel transmission cycle over the forward link control channel.
    Type: Application
    Filed: April 8, 2013
    Publication date: October 10, 2013
    Applicants: ZTE CORPORATION, ZTE (USA) INC.
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Publication number: 20130242734
    Abstract: Techniques, devices, and systems that include mechanisms for connectionless communications in wireless communication networks or systems include a base station controller, a plurality of base stations and a mobile station. The base station controller combines connectionless transmissions received by the base stations, including decoded and un-decoded frames, into a complete message.
    Type: Application
    Filed: May 8, 2013
    Publication date: September 19, 2013
    Applicants: ZTE (USA) INC., ZTE CORPORATION
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Patent number: 8514778
    Abstract: Wireless communication systems, apparatuses, and techniques are described for interworking wireless technologies. Interworking wireless technologies can include operating a wireless communication system that includes multiple radio access technologies (RATs) to provide wireless services to multiple mobile devices, providing an enhanced inter-RAT OMP instance for a mobile device that is in communication with the wireless communication system via the first RAT, where the enhanced inter-RAT OMP instance includes an inactive state and a tunnel active state, operating the enhanced inter-RAT OMP instance to switch from the inactive state to the tunnel active state in response to a message associated with the second RAT, and using the enhanced inter-RAT OMP instance in the tunnel active state to send one or more overhead messages via a communication tunnel to the mobile device.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: August 20, 2013
    Assignee: ZTE (USA) Inc.
    Inventors: Yonggang Fang, Xiaowu Zhao, Yuanfang Yu, Ting Lu
  • Publication number: 20130070684
    Abstract: The disclosure provides a system, end and method for transmitting 1x messages. The method comprises: when a sending terminal needs to send a plurality of 1x messages to a receiving terminal through a non-1x network, carrying the plurality of 1x messages in one message. With the technical solution of the disclosure, the problem that it is unable to ensure that a plurality of 1x Layer3 messages is transmitted synchronously under the related inter-working situation and the problem of the processing time sequence of messages are solved.
    Type: Application
    Filed: April 22, 2011
    Publication date: March 21, 2013
    Applicant: ZTE CORPORATION
    Inventors: Yuanfang Yu, Xiaowu Zhao, Ting Lu, Yonggang Fang
  • Publication number: 20130021957
    Abstract: Methods, apparatus and systems for group paging of wireless devices are described. A wireless device is associated with a member identifier (MID) that is a unique identifier for the wireless device. The wireless device is associated with a group identifier (GID) that is a unique identifier for a group of which the wireless device is a member. The wireless device is woken up from a sleep mode at a wake-up time based on the GID.
    Type: Application
    Filed: July 18, 2012
    Publication date: January 24, 2013
    Applicants: ZTE (USA) INC., ZTE CORPORATION
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Publication number: 20130016640
    Abstract: Methods, apparatus and systems for enhanced slotted mode operation for wireless communication are disclosed. A first control message indicative of a first sleep cycle duration is received. When the first control message includes a first message field, a second control message that includes a second field indicative of a second sleep cycle duration that is greater than the first sleep cycle duration is transmitted.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 17, 2013
    Applicants: ZTE (USA) INC., ZTE CORPORATION
    Inventors: Yonggang Fang, YuanFang Yu, Ting Lu, Xiaowu Zhao
  • Publication number: 20120243482
    Abstract: The present invention discloses a method for a terminal to negotiate application support ability with a base station. The method comprises identifying application subtypes using different subtype values during session negotiation between the terminal and base station. The present invention further discloses a system for a terminal to negotiate application support ability with a base station, wherein the terminal is configured to identify the terminal supported application subtypes using different subtype values during session negotiation with the base station, and/or recognize the base station supported application subtypes identified using different subtype values by the bases station; and the base station is configured to recognize the terminal supported application subtypes identified using different subtype values by the terminal during session negotiation with the terminal, and/or identify the base station supported application subtypes using different subtype values.
    Type: Application
    Filed: January 21, 2011
    Publication date: September 27, 2012
    Applicant: ZTE CORPORATION
    Inventors: Ting Lu, Yuanfang Yu
  • Patent number: 8274982
    Abstract: A packet data session release method for ultra mobile broadband access network is disclosed, and which includes: S402, when releasing the packet data session, an access gateway sends a proxy mobile IP registration revocation message to the data attachment point of the ultra mobile broadband access network and the evolved base station which has one reverse proxy mobile IP tunnel to the access gateway, respectively; S404, after receiving the proxy mobile IP registration revocation message, the data attachment point and the evolved base station which has one reverse proxy mobile IP tunnel to the access gateway, delete their proxy mobile IP tunnels between them and the access gateway, respectively, and send a proxy mobile IP revocation ACK message to the access gateway, respectively, so as to confirm the reception of the registration request messages; and S406, the data attachment point notifies the session reference network controller that the packet data session has been released, via sending a IP tunnel notifi
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: September 25, 2012
    Assignee: ZTE Corporation
    Inventors: Xiaowu Zhao, Kexue Lu, Yuanfang Yu
  • Publication number: 20120236822
    Abstract: Techniques for the inter-operation of base station having different protocol revision numbers include broadcasting a first message that includes a protocol revision field indicating a same revision as a legacy network, transmitting a second message over a forward link common control channel, the second message indicating advanced radio configuration (RC) capabilities beyond radio control capabilities implied by the protocol revision field broadcast in the first message, receiving, in response to the second message, a third message from a mobile station, indicating that the mobile station supports the advanced RC capabilities and establishing, with the mobile station, a radio link having the advanced RC capabilities.
    Type: Application
    Filed: March 13, 2012
    Publication date: September 20, 2012
    Applicants: ZTE (USA) INC., ZTE CORPORATION
    Inventors: Yonggang Fang, YuanFang Yu, Xiaowu Zhao, Ting Lu
  • Publication number: 20120224561
    Abstract: Techniques for facilitating wireless communication include receiving a message from a mobile station, the message comprising a service option field indicative of an advanced radio configuration capability of the mobile station and establishing a radio link between the mobile station and the serving base station, by using the indicated advanced radio configuration capability. In some implementations, in a CDMA2000 network, a Revision E compliant mobile station is able to operate in Revision E mode with a Revision E base station and a legacy mode with a legacy base station, without being affected by a handoff and without a need to modify bit length of the revision field in the paging response message from the mobile station.
    Type: Application
    Filed: March 1, 2012
    Publication date: September 6, 2012
    Applicants: ZTE (USA) INC., ZTE CORPORATION
    Inventors: Yonggang Fang, YuanFang Yu, Xiaowu Zhao, Ting Lu