Patents by Inventor Jiayi Fang

Jiayi Fang 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: 20190116569
    Abstract: Embodiments of the present disclosure provide a method and a device for identifying a synchronization priority, including: determining a synchronization priority of a node according a connection relationship between the node and a Global Navigation Satellite System (GNSS) and a relative relationship between the node and a coverage scope of an eNB; configuring a synchronization sequence and an in coverage flag of the node according to the synchronization priority of the node. Combination of the synchronization sequence and the in coverage flag of the node is used to identify the synchronization priority of the node.
    Type: Application
    Filed: March 31, 2017
    Publication date: April 18, 2019
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Li ZHAO, Yuanyuan LI, Haijun ZHOU, Rui ZHAO, Ying PENG, Jiayi FANG
  • Publication number: 20190069255
    Abstract: Disclosed are a synchronization method and apparatus, used for implementing a specific synchronization solution when a terminal node serves as a synchronization source. The synchronization method provided in the present application comprises: determining, when synchronization signals of a plurality of nodes are received, synchronization priorities of the plurality of nodes; and selecting, according to the synchronization priorities of the plurality of nodes, a synchronization signal of one of the nodes for synchronization.
    Type: Application
    Filed: January 20, 2017
    Publication date: February 28, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Li ZHAO, Haijun ZHOU, Ying PENG, Yuanyuan LI, Jiayi FANG
  • Publication number: 20190037510
    Abstract: Disclosed are a synchronization method and device, which are used to achieve the distinction of a synchronization system and a synchronization level of a node in a V2V communication system, thereby quickly achieving the synchronization in the V2V communication system. Provided is a synchronization method, comprising: determining a synchronization priority level of a current node; and according to the synchronization priority level of the current node, determining a synchronization sequence used by the current node and a value of a distinguishing flag bit of the current node, wherein the distinguishing flag bit is used to distinguish whether the current node belongs to a GNSS synchronization system or an eNB synchronization system.
    Type: Application
    Filed: January 11, 2017
    Publication date: January 31, 2019
    Inventors: Yuanyuan LI, Haijun ZHOU, Li ZHAO, Ying PENG, Jiayi FANG
  • Publication number: 20180310296
    Abstract: The present disclosure provides in some embodiments a resource scheduling method and a resource scheduling device for a vehicle infrastructure cooperative communication system, and a node of the vehicle infrastructure cooperative communication system. According to the present disclosure, a movement trend between nodes is determined in accordance with node position information, so as to spatially multiplex time-frequency resources and prevent the frequent adjustment of time-frequency resources, thereby to reduce signaling overhead for allocating the time-frequency resources and improve utilization of the time-frequency resources.
    Type: Application
    Filed: November 4, 2016
    Publication date: October 25, 2018
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Li ZHAO, Jiye TANG, Jiayi FANG, Yuan FENG, Lin LIN
  • Publication number: 20180234911
    Abstract: Disclosed are a method and apparatus for sending and broadcasting resource information, the method comprising: determining a resource used by a second-type node and a resource used by a first-type node, and determining the first-type node receiving a resource coordination message, wherein the first-type node is a node located within a base station signal coverage range, and the second-type node is a node located outside of the base station signal coverage range; and sending the resource coordination message to the determined first-type node, and instructing the first-type node to broadcast the contents of the resource coordination message, wherein the resource coordination message carries resource information about the first-type node and the second-type node. By means of the present application, resource continuity in the process of a node moving on a network coverage edge is guaranteed, resource collision is reduced, and the utilization rate of system resources is improved.
    Type: Application
    Filed: July 27, 2016
    Publication date: August 16, 2018
    Applicant: China Academy of Telecommunications Technology
    Inventors: Li ZHAO, Jiye TANG, Lin LIN, Jiayi FANG
  • Publication number: 20180234982
    Abstract: Disclosed are a method and device for allocating cell resources of a device to device (D2D) system, which are used for improving the communication reliability of nodes located in different cell edge areas in an edge area ad hoc network manner. Provided is a method for allocating cell resources of a device to device (D2D) system, comprising: determining an edge area for D2D resource coordination of a cell; and allocating a resource pool to a node in the edge area, wherein the node in the edge area selects a resource from the resource pool in an ad hoc manner for communication, the resource being a time slot or time frequency block.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 16, 2018
    Applicant: China Academy of Telecommunications Technology
    Inventors: Yuan FENG, Jiye TANG, Haijun ZHOU, Jiayi FANG
  • Publication number: 20180234981
    Abstract: Disclosed are an interference reporting and resource adjustment method and apparatus, the method comprising: a node reporting, when determining that there is interference, interference indication information to a base station, wherein the interference indication information comprises: an interfered resource, and a signal to interference and noise ratio; after receiving the interference indication information, the base station determining, when it is determined that there is interference according to the signal to interference and noise ratio, the other nodes using the interfered resource; and adjusting a resource used by the other nodes, so as to avoid interference. By means of the present invention, resource collision can be reduced, so that the resource adjustment efficiency of a communication system is improved, and the requirements for applications with characteristics of low time delay and high reliability can be met.
    Type: Application
    Filed: July 25, 2016
    Publication date: August 16, 2018
    Applicant: China Academy of Telecommunications Technology
    Inventors: Li ZHAO, Yuan FENG, Haijun ZHOU, Jiayi FANG, Jiye TANG, Lin LIN
  • Patent number: 10034298
    Abstract: Embodiments of the present invention relate to the field of wireless communications. Disclosed are a time slot state update method and device, which are used to improve the time flexibility during update of the time slot state. In the present invention, a communications node determines an update period of a time slot state table, the update period comprising x continuous time slots and x being an integer not less than 1 and not greater than the total of the time slots comprised in one frame; and the communications node updating the time slot state table after the update period ends. It can be seen that, the solution can improve the time flexibility during update of the time slot state.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: July 24, 2018
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Li Zhao, Jiayi Fang, Yi Zhao, Feng Li, Yuan Feng
  • Patent number: 9794010
    Abstract: The present invention provides a method for notifying Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration, which comprises the following steps: a first node sends its MBSFN subframe configuration, via an X2 interface, to a second node with which the first node is connected; the first node receives the MBSFN subframe configuration of the second node as a feedback. According to the invention, a serving cell can obtain the MBSFN subframe configurations of the neighboring cells and/or RNs, so that rational utilization of resources is achieved according to the configurations. Therefore, interference between cells is reduced, and system capacity and efficiency are improved.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: October 17, 2017
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Ying Wang, Jiayi Fang, Xiaodong Yang
  • Publication number: 20170290009
    Abstract: Embodiments of the present application are for use in solving the problem of high probability of collisions occurring among existing node devices. Disclosed are a method and device for information submission and resource allocation in the V2X system. The resource allocation method comprises: a network side device assigns a subframe resource to a node device just accessing a cell and notifies the node device just accessing the cell of the assigned subframe resource; for node devices already accessing the cell, the network side device determines colliding node devices, reassigns subframe resources to the colliding node devices, and respectively notifies the colliding node devices of the reassigned subframe resources.
    Type: Application
    Filed: September 1, 2015
    Publication date: October 5, 2017
    Inventors: Yuan FENG, Jiye TANG, Haijun ZHOU, Xuanyu GUO, Jiayi FANG
  • Patent number: 9622018
    Abstract: Disclosed are a method and device for processing data transmission by a machine-type communication device. The method comprises: determining, by the network side, the mode for the machine-type communication device to transmit a small amount of user data using a control plane; instructing, by the network side, the machine-type communication device to transmit the small amount of user data using the control plane according to the determined mode; and transmitting, by the machine-type communication device, the small amount of user data using the control plane, according to instructions from the network side.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: April 11, 2017
    Assignee: China Academy of Telecommunications Technology
    Inventors: Yi Zhao, Jiayi Fang
  • Patent number: 9591641
    Abstract: This application relates to network management technologies, and disclosed are a method and device for scheduling slot resources. The method is: upon reception of each new data packet delivered by a high level, a first node maintaining corresponding sending remaining time according to a delay requirement of the new data packet; performing slot resource determination on each extracted data packet, starting from the new data packet, in ascending order of the sending remaining time; when it is determined that the number of data packets to be sent in the sending remaining time corresponding to any data packet is greater than the number of slots currently used by the first node, applying for new slot resources.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: March 7, 2017
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yi Zhao, Yuan Feng, Li Zhao, Jiayi Fang, Feng Li
  • Publication number: 20170041931
    Abstract: The present disclosure provides a method and a device for scheduling resources in an internet of vehicles system, to centrally allocate timeslot resources in the internet of vehicles system at a network side. The method includes: receiving, by a scheduling device, information of a geographical area reported by a first node and corresponding to the first node; and determining, by the scheduling device, timeslot resources capable of being scheduled within the geographical area reported by the first node, and allocating a timeslot resource from the determined timeslot resources for the first node. Each cell is divided into geographical areas, and an identical timeslot resource can be shared by non-adjacent geographical areas in an identical cell, and/or non-adjacent geographical areas in different cells. By centralized scheduling of timeslot resources, it is able to ensure communication between nodes within a predetermined range, thereby preventing impact of timeslot resources used by the nodes.
    Type: Application
    Filed: April 14, 2015
    Publication date: February 9, 2017
    Inventors: Yuan FENG, Li ZHAO, Yi ZHAO, Feng Li, Jiayi FANG
  • Publication number: 20160156426
    Abstract: The present invention provides a method for notifying Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration, which comprises the following steps: a first node sends its MBSFN subframe configuration, via an X2 interface, to a second node with which the first node is connected; the first node receives the MBSFN subframe configuration of the second node as a feedback. According to the invention, a serving cell can obtain the MBSFN subframe configurations of the neighboring cells and/or RNs, so that rational utilization of resources is achieved according to the configurations. Therefore, interference between cells is reduced, and system capacity and efficiency are improved.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Inventors: Ying WANG, Jiayi FANG, Xiaodong YANG
  • Publication number: 20160113027
    Abstract: Embodiments of the present invention relate to the field of wireless communications. Disclosed are a time slot state update method and device, which are used to improve the time flexibility during update of the time slot state. In the present invention, a communications node determines an update period of a time slot state table, the update period comprising x continuous time slots and x being an integer not less than 1 and not greater than the total of the time slots comprised in one frame; and the communications node updating the time slot state table after the update period ends. It can be seen that, the solution can improve the time flexibility during update of the time slot state.
    Type: Application
    Filed: December 27, 2013
    Publication date: April 21, 2016
    Applicant: China Academy of Telecommunications Technology
    Inventors: Li ZHAO, Jiayi FANG, Yi ZHAO, Feng LI, Yuan FENG
  • Patent number: 9258816
    Abstract: The present invention provides a method for notifying Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration, which comprises the following steps: a first node sends its MBSFN subframe configuration, via an X2 interface, to a second node with which the first node is connected; the first node receives the MBSFN subframe configuration of the second node as a feedback. According to the invention, a serving cell can obtain the MBSFN subframe configurations of the neighboring cells and/or RNs, so that rational utilization of resources is achieved according to the configurations. Therefore, interference between cells is reduced, and system capacity and efficiency are improved.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: February 9, 2016
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Ying Wang, Jiayi Fang, Xiaodong Yang
  • Patent number: 9220031
    Abstract: Disclosed is an access control method, for use in implementing improved access control. The method comprises: during a random access process, on the basis of a current load of a random access network (RAN) and a core network (CN) and of terminal or service information reported by a user equipment (UE), the RAN judging whether or not access to the RAN and to the CN is allowed; when access is denied by at least one network between the RAN and the CN, the RAN transmitting to the UE an instruction message having attached therein a backoff time corresponding to the access denying network. Also disclosed is a device for implementing the method.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: December 22, 2015
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD
    Inventors: Yuan Feng, Haiyang Quan, Jiayi Fang, Yi Zhao
  • Publication number: 20150282166
    Abstract: This application relates to network management technologies, and disclosed are a method and device for scheduling slot resources. The method is: upon reception of each new data packet delivered by a high level, a first node maintaining corresponding sending remaining time according to a delay requirement of the new data packet; performing slot resource determination on each extracted data packet, starting from the new data packet, in ascending order of the sending remaining time; when it is determined that the number of data packets to be sent in the sending remaining time corresponding to any data packet is greater than the number of slots currently used by the first node, applying for new slot resources.
    Type: Application
    Filed: October 30, 2013
    Publication date: October 1, 2015
    Applicant: China Academy of Telecommunications Technology
    Inventors: Yi Zhao, Yuan Feng, Li Zhao, Jiayi Fang, Feng Li
  • Patent number: 8958320
    Abstract: A method and a device for processing a measurement context are provided by the present invention. The method includes: preparing for handover between radio access network devices in the Long Term Evolution (LTE) system (101); processing the network side measurement context between the radio access network devices (102). The application of the present invention can avoid the error resulted from the difference between the network side measurement context and the user equipment side measurement context, and can realize the interconnection between the radio access network devices of different manufacturers.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: February 17, 2015
    Assignee: China Academy of Telecommunications Technology
    Inventors: Jiayi Fang, Nan Yan
  • Patent number: 8804618
    Abstract: A method and an apparatus for determining the configuration mode of special subframe of a cell are provided, and the method includes: receiving notification messages sent from adjacent cells, and the notification messages containing the information indicating the configuration modes of special subframes of the adjacent cells; determining the configuration modes of special subframes of the adjacent cells in accordance with the notification messages; among the possible configuration modes of special subframes of the current cell, selecting preferably a configuration mode of special subframe, which meets the interference requirement of the current cell and has less interference with the adjacent cells, as the current configuration mode of special subframe. The embodiments of the present invention also provide a method and an apparatus for determining the usage mode of the time-domain resource of a cell.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: August 12, 2014
    Assignee: China Academy of Telecommunications Technology
    Inventors: Haijing Hu, Guojun Xiao, Yu Ding, Ying Wang, Jiayi Fang, Fei Qin