Patents by Inventor Haijun Zhou
Haijun Zhou 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: 20240323872Abstract: A synchronization method, a synchronization device and a terminal are provided, and relate to the field of Internet of Vehicles technology. The synchronization method is used for a first terminal, and includes: receiving, by the first terminal, first synchronization signaling transmitted by at least one second terminal in the case that the first terminal is in a first synchronization state; and performing, by the first terminal, a synchronization operation in accordance with the first synchronization signaling, and the first terminal switching to a second synchronization state.Type: ApplicationFiled: June 21, 2022Publication date: September 26, 2024Applicant: CICT Connected and Intelligent Technologies Co., Ltd.Inventors: Peng WANG, Haijun ZHOU, Jiayi FANG
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Publication number: 20240306109Abstract: A position determination method, a synchronization method, a device, an apparatus and a terminal are provided. The position determination method for a first RSU includes transmitting a pilot signal and a positioning signaling. The positioning signaling includes an ID of the first RSU, a timing adjustment value of the first RSU and a timing offset value of the first RSU. The timing adjustment value is an adjustment amount for synchronization between the first RSU and a synchronization source when the positioning signaling is transmitted, and the timing offset value is a timing offset between the first RSU and a second RSU.Type: ApplicationFiled: December 30, 2021Publication date: September 12, 2024Applicant: DATANG GOHIGH INTELLIGENT AND CONNECTED TECHNOLOGY (CHONGQING) CO., LTD.Inventors: Haijun ZHOU, Peng WANG, Xiaoxu FENG
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Patent number: 11671023Abstract: A power supply control circuit for a switch mode power supply converter, and a power supply control method using the control circuit. The control circuit includes an auxiliary boosting unit, a main control unit and an auxiliary winding unit. The main control unit is configured to control the power switch in a power stage circuit to turn on or to be off, and to supply power to the auxiliary boosting unit. The auxiliary boosting unit is configured to provide auxiliary power for the main control unit, and to self-adaptively adjust the auxiliary boosting unit's own average switching frequency based on a load state of the main control unit. The auxiliary winding unit is configured to couple energy by means of a magnetic element in the power stage circuit, to generate an output voltage.Type: GrantFiled: August 20, 2021Date of Patent: June 6, 2023Assignee: Wuxi Chipown Microelectronics Co., Ltd.Inventors: Ping Tao, Haijun Zhou, Haisong Li, Yangbo Yi, Wei Gao, Hongxing Li
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Patent number: 11330596Abstract: A method and a device for indicating transmission resources, and a storage medium are provided. The method includes: selecting N transmissions according to a target indication rule, and determining N transmission resources of data information of a data packet corresponding to the N transmissions as selected; and transmitting in control information the N transmission resources as determined.Type: GrantFiled: August 7, 2017Date of Patent: May 10, 2022Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.Inventors: Lin Lin, Rui Zhao, Yuan Feng, Jiayi Fang, Haijun Zhou
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Patent number: 11223269Abstract: A circuit for controlling a switching power supply and a method for controlling a switching power supply by using the circuit for controlling the switching power supply, the circuit for controlling a switching power supply is configured to control a power stage circuit of a converter of the switching power supply. The circuit for controlling the switching power supply includes an external magnetic field direct detection unit, a current limit threshold unit, an operating frequency unit, a pulse width unit and a logic unit. The external magnetic field direct detection unit includes a Hall device and a Hall detection component. In accordance with the circuit for controlling the switching power supply of the present disclosure, the intensity of the external magnetic field can be detected directly at the chip level, and the operating mode of the switching power supply system can be adjusted timely.Type: GrantFiled: July 17, 2020Date of Patent: January 11, 2022Assignee: WUXI CHIPOWN MICROELECTRONICS CO., LTD.Inventors: Ping Tao, Haijun Zhou, Haisong Li, Yangbo Yi, Wei Gao
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Publication number: 20210384839Abstract: A power supply control circuit for a switch mode power supply converter, and a power supply control method using the control circuit. The control circuit includes an auxiliary boosting unit, a main control unit and an auxiliary winding unit. The main control unit is configured to control the power switch in a power stage circuit to turn on or to be off, and to supply power to the auxiliary boosting unit. The auxiliary boosting unit is configured to provide auxiliary power for the main control unit, and to self-adaptively adjust the auxiliary boosting unit's own average switching frequency based on a load state of the main control unit. The auxiliary winding unit is configured to couple energy by means of a magnetic element in the power stage circuit, to generate an output voltage.Type: ApplicationFiled: August 20, 2021Publication date: December 9, 2021Inventors: Ping TAO, Haijun ZHOU, Haisong LI, Yangbo YI, Wei GAO, Hongxing LI
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Publication number: 20210336554Abstract: A circuit for controlling a switching power supply and a method for controlling a switching power supply by using the circuit for controlling the switching power supply, the circuit for controlling a switching power supply is configured to control a power stage circuit of a converter of the switching power supply. The circuit for controlling the switching power supply includes an external magnetic field direct detection unit, a current limit threshold unit, an operating frequency unit, a pulse width unit and a logic unit. The external magnetic field direct detection unit includes a Hall device and a Hall detection component. In accordance with the circuit for controlling the switching power supply of the present disclosure, the intensity of the external magnetic field can be detected directly at the chip level, and the operating mode of the switching power supply system can be adjusted timely.Type: ApplicationFiled: July 17, 2020Publication date: October 28, 2021Inventors: Ping TAO, Haijun ZHOU, Haisong LI, Yangbo YI, Wei GAO
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Publication number: 20210298024Abstract: A method and a device for indicating transmission resources, and a storage medium are provided. The method includes: selecting N transmissions according to a target indication rule, and determining N transmission resources of data information of a data packet corresponding to the N transmissions as selected; and transmitting in control information the N transmission resources as determined.Type: ApplicationFiled: August 7, 2017Publication date: September 23, 2021Inventors: Lin LIN, Rui ZHAO, Yuan FENG, Jiayi FANG, Haijun ZHOU
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Patent number: 10904846Abstract: 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: GrantFiled: January 11, 2017Date of Patent: January 26, 2021Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Yuanyuan Li, Haijun Zhou, Li Zhao, Ying Peng, Jiayi Fang
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Patent number: 10880057Abstract: Disclosed in the present invention are a method and an apparatus for determining resource occupation state. The method comprises: a first node receiving SA information sent by at least one second node, the SA information being used for indicating resource occupation state of the second node; at each state maintenance moment, the first node determining, according to the service transmission cycle of the first node itself and the SA information, the resource occupation state within the state maintenance cycle which has a length of the service transmission cycle of the first node The solutions provided in the embodiments of the present invention can effectively support the sensing of the resource occupation state in various service transmission cycles, and reduce the complexity of resource occupation state maintenance and resource selection.Type: GrantFiled: July 12, 2017Date of Patent: December 29, 2020Assignee: China Academy of Telecommunications TechnologyInventors: Rui Zhao, Yi Zhao, Haijun Zhou, Jiayi Fang, Lin Lin
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Patent number: 10827390Abstract: A method and device for resource reservation are provided. The resource reservation method includes: receiving scheduling assignment information transmitted by first UE, where the scheduling assignment information includes information about time-frequency resource that the first UE needs to reserve; determining the quantity of reservations for the time-frequency resource by the first UE according to the scheduling assignment information; if new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, re-determining reservation information for the time-frequency resource according to the new scheduling assignment information; and if no new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, taking the time-frequency resource as an idle resource.Type: GrantFiled: July 6, 2017Date of Patent: November 3, 2020Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Rui Zhao, Yuan Feng, Jiayi Fang, Yi Zhao, Haijun Zhou
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Patent number: 10750463Abstract: 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: GrantFiled: March 31, 2017Date of Patent: August 18, 2020Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Li Zhao, Yuanyuan Li, Haijun Zhou, Rui Zhao, Ying Peng, Jiayi Fang
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Patent number: 10743324Abstract: 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: GrantFiled: August 22, 2016Date of Patent: August 11, 2020Assignee: China Academy of Telecommunications TechnologyInventors: Yuan Feng, Jiye Tang, Haijun Zhou, Jiayi Fang
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Patent number: 10499403Abstract: 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: GrantFiled: July 25, 2016Date of Patent: December 3, 2019Assignee: China Academy of Telecommunications TechnologyInventors: Li Zhao, Yuan Feng, Haijun Zhou, Jiayi Fang, Jiye Tang, Lin Lin
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Patent number: 10462784Abstract: 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: GrantFiled: September 1, 2015Date of Patent: October 29, 2019Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGYInventors: Yuan Feng, Jiye Tang, Haijun Zhou, Xuanyu Guo, Jiayi Fang
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Patent number: 10416222Abstract: A method and a system for detecting a pantograph-catenary electric arc based on a train power supply system are provided. The method includes: boosting, by a booster transformer, a voltage of alternating current transmitted via an electric network, to generate high voltage electrical energy, where a high voltage and a great current are generated in a gap between a catenary wire and a pantograph in a discharging circuit with the high voltage electrical energy; and collecting an electric arc generated in the gap between the catenary wire and the pantograph in a case of the high voltage and the great current.Type: GrantFiled: November 13, 2015Date of Patent: September 17, 2019Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Buchao Jia, Jinghai Jiao, Fangdong Hou, Jianhong You, Zhiguo Yu, Haijun Zhou, Pankui Yang
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Publication number: 20190191337Abstract: A method and device for resource reservation are provided. The resource reservation method includes: receiving scheduling assignment information transmitted by first UE, where the scheduling assignment information includes information about time-frequency resource that the first UE needs to reserve; determining the quantity of reservations for the time-frequency resource by the first UE according to the scheduling assignment information; if new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, re-determining reservation information for the time-frequency resource according to the new scheduling assignment information; and if no new scheduling assignment information about the time-frequency resource transmitted by the first UE has been received before the quantity of reservations becomes invalid, taking the time-frequency resource as an idle resource.Type: ApplicationFiled: July 6, 2017Publication date: June 20, 2019Inventors: RUI ZHAO, YUAN FENG, JIAYI FANG, YI ZHAO, HAIJUN ZHOU
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Publication number: 20190181997Abstract: Disclosed in the present invention are a method and an apparatus for determining resource occupation state. The method comprises: a first node receiving SA information sent by at least one second node, the SA information being used for indicating resource occupation state of the second node; at each state maintenance moment, the first node determining, according to the service transmission cycle of the first node itself and the SA information, the resource occupation state within the state maintenance cycle which has a length of the service transmission cycle of the first node The solutions provided in the embodiments of the present invention can effectively support the sensing of the resource occupation state in various service transmission cycles, and reduce the complexity of resource occupation state maintenance and resource selection.Type: ApplicationFiled: July 12, 2017Publication date: June 13, 2019Applicant: China Academy of Telecommunications TechnologyInventors: Rui ZHAO, Yi ZHAO, Haijun ZHOU, Jiayi FANG, Lin LIN
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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