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).
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Publication number: 20190116569Abstract: 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: ApplicationFiled: March 31, 2017Publication date: April 18, 2019Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Li ZHAO, Yuanyuan LI, Haijun ZHOU, Rui ZHAO, Ying PENG, Jiayi FANG
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Publication number: 20190069255Abstract: 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: ApplicationFiled: January 20, 2017Publication date: February 28, 2019Applicant: China Academy of Telecommunications TechnologyInventors: Li ZHAO, Haijun ZHOU, Ying PENG, Yuanyuan LI, Jiayi FANG
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Publication number: 20190037510Abstract: 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: ApplicationFiled: January 11, 2017Publication date: January 31, 2019Inventors: Yuanyuan LI, Haijun ZHOU, Li ZHAO, Ying PENG, Jiayi FANG
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Publication number: 20180310296Abstract: 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: ApplicationFiled: November 4, 2016Publication date: October 25, 2018Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Li ZHAO, Jiye TANG, Jiayi FANG, Yuan FENG, Lin LIN
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Publication number: 20180234911Abstract: 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: ApplicationFiled: July 27, 2016Publication date: August 16, 2018Applicant: China Academy of Telecommunications TechnologyInventors: Li ZHAO, Jiye TANG, Lin LIN, Jiayi FANG
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Publication number: 20180234982Abstract: 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: ApplicationFiled: August 22, 2016Publication date: August 16, 2018Applicant: China Academy of Telecommunications TechnologyInventors: Yuan FENG, Jiye TANG, Haijun ZHOU, Jiayi FANG
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Publication number: 20180234981Abstract: 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: ApplicationFiled: July 25, 2016Publication date: August 16, 2018Applicant: China Academy of Telecommunications TechnologyInventors: Li ZHAO, Yuan FENG, Haijun ZHOU, Jiayi FANG, Jiye TANG, Lin LIN
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Patent number: 10034298Abstract: 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: GrantFiled: December 27, 2013Date of Patent: July 24, 2018Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Li Zhao, Jiayi Fang, Yi Zhao, Feng Li, Yuan Feng
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Patent number: 9794010Abstract: 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: GrantFiled: February 3, 2016Date of Patent: October 17, 2017Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Ying Wang, Jiayi Fang, Xiaodong Yang
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Publication number: 20170290009Abstract: 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: ApplicationFiled: September 1, 2015Publication date: October 5, 2017Inventors: Yuan FENG, Jiye TANG, Haijun ZHOU, Xuanyu GUO, Jiayi FANG
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Patent number: 9622018Abstract: 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: GrantFiled: August 29, 2011Date of Patent: April 11, 2017Assignee: China Academy of Telecommunications TechnologyInventors: Yi Zhao, Jiayi Fang
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Patent number: 9591641Abstract: 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: GrantFiled: October 30, 2013Date of Patent: March 7, 2017Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Yi Zhao, Yuan Feng, Li Zhao, Jiayi Fang, Feng Li
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Publication number: 20170041931Abstract: 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: ApplicationFiled: April 14, 2015Publication date: February 9, 2017Inventors: Yuan FENG, Li ZHAO, Yi ZHAO, Feng Li, Jiayi FANG
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Publication number: 20160156426Abstract: 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: ApplicationFiled: February 3, 2016Publication date: June 2, 2016Inventors: Ying WANG, Jiayi FANG, Xiaodong YANG
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Publication number: 20160113027Abstract: 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: ApplicationFiled: December 27, 2013Publication date: April 21, 2016Applicant: China Academy of Telecommunications TechnologyInventors: Li ZHAO, Jiayi FANG, Yi ZHAO, Feng LI, Yuan FENG
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Patent number: 9258816Abstract: 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: GrantFiled: April 16, 2010Date of Patent: February 9, 2016Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Ying Wang, Jiayi Fang, Xiaodong Yang
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Patent number: 9220031Abstract: 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: GrantFiled: January 10, 2012Date of Patent: December 22, 2015Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTDInventors: Yuan Feng, Haiyang Quan, Jiayi Fang, Yi Zhao
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Publication number: 20150282166Abstract: 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: ApplicationFiled: October 30, 2013Publication date: October 1, 2015Applicant: China Academy of Telecommunications TechnologyInventors: Yi Zhao, Yuan Feng, Li Zhao, Jiayi Fang, Feng Li
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Patent number: 8958320Abstract: 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: GrantFiled: April 22, 2010Date of Patent: February 17, 2015Assignee: China Academy of Telecommunications TechnologyInventors: Jiayi Fang, Nan Yan
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Patent number: 8804618Abstract: 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: GrantFiled: February 1, 2010Date of Patent: August 12, 2014Assignee: China Academy of Telecommunications TechnologyInventors: Haijing Hu, Guojun Xiao, Yu Ding, Ying Wang, Jiayi Fang, Fei Qin