Patents by Inventor Yuan Rao
Yuan Rao 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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Patent number: 11855887Abstract: A data flow redirection method to overcome a disadvantage that a quantity of adjustable data flows is relatively small due to limited space of a flow specification forwarding table. The method includes receiving, by a network device, a control message sent by a control device, where the control message carries redirection routing information of a data flow and a redirection routing indication, the redirection routing indication instructing to convert the redirection routing information of the data flow into a forwarding entry in a target forwarding table, and tablespace of the target forwarding table is greater than tablespace of a flow specification forwarding table of the network device, and converting, by the network device, the redirection routing information of the data flow into the forwarding entry in the target forwarding table according to the redirection routing indication.Type: GrantFiled: June 17, 2020Date of Patent: December 26, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Haibo Wang, Shunwan Zhuang, Yuan Rao, Ruiqing Cao
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Patent number: 11063874Abstract: A method, includes receiving a packet flow optimization policy including a flow identifier of a target packet flow, a device identifier of a to-be-adjusted forwarding device, and information about the next hop; obtaining status information of an access control list (ACL) of the to-be-adjusted forwarding device based on the device identifier, where the status information includes resource usage status information of the ACL and capability information that indicates whether the to-be-adjusted forwarding device supports packet flow forwarding that is based on the ACL; and when determining, based on the status information, that the ACL includes an idle resource and the to-be-adjusted forwarding device supports packet flow forwarding that is based on the ACL, sending an ACL record to the to-be-adjusted forwarding device, where the ACL record includes the flow identifier and the information about the next hop.Type: GrantFiled: July 23, 2019Date of Patent: July 13, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Nan Wu, Shunwan Zhuang, Jing Liu, Yuan Rao, Haibo Wang
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Publication number: 20200389395Abstract: A data flow redirection method to overcome a disadvantage that a quantity of adjustable data flows is relatively small due to limited space of a flow specification forwarding table. The method includes receiving, by a network device, a control message sent by a control device, where the control message carries redirection routing information of a data flow and a redirection routing indication, the redirection routing indication instructing to convert the redirection routing information of the data flow into a forwarding entry in a target forwarding table, and tablespace of the target forwarding table is greater than tablespace of a flow specification forwarding table of the network device, and converting, by the network device, the redirection routing information of the data flow into the forwarding entry in the target forwarding table according to the redirection routing indication.Type: ApplicationFiled: June 17, 2020Publication date: December 10, 2020Inventors: Haibo Wang, Shunwan Zhuang, Yuan Rao, Ruiqing Cao
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Patent number: 10782717Abstract: A jitter compensation circuit operates in a first conduction state responsive to a high-to low transition of data and a low-to-high transition of data. The circuit operates in a second conduction state when there is no transition of data. The circuit compensates charge to a voltage supply in the first conduction state, thereby reducing voltage drop caused by transition of data.Type: GrantFiled: October 18, 2019Date of Patent: September 22, 2020Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Jikai Chen, Yonghui Tang, Yuan Rao, Huanzhang Huang, Yanli Fan
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Patent number: 10735041Abstract: A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.Type: GrantFiled: June 19, 2019Date of Patent: August 4, 2020Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Jikai Chen, Yuan Rao, Yanli Fan
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Patent number: 10715430Abstract: A data flow redirection method to overcome a disadvantage that a quantity of adjustable data flows is relatively small due to limited space of a flow specification forwarding table. The method includes receiving, by a network device, a control message sent by a control device, where the control message carries redirection routing information of a data flow and a redirection routing indication, the redirection routing indication instructing to convert the redirection routing information of the data flow into a forwarding entry in a target forwarding table, and tablespace of the target forwarding table is greater than tablespace of a flow specification forwarding table of the network device, and converting, by the network device, the redirection routing information of the data flow into the forwarding entry in the target forwarding table according to the redirection routing indication.Type: GrantFiled: November 19, 2018Date of Patent: July 14, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Haibo Wang, Shunwan Zhuang, Yuan Rao, Ruiqing Cao
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Publication number: 20190349307Abstract: A method, includes receiving a packet flow optimization policy including a flow identifier of a target packet flow, a device identifier of a to-be-adjusted forwarding device, and information about the next hop; obtaining status information of an access control list (ACL) of the to-be-adjusted forwarding device based on the device identifier, where the status information includes resource usage status information of the ACL and capability information that indicates whether the to-be-adjusted forwarding device supports packet flow forwarding that is based on the ACL; and when determining, based on the status information, that the ACL includes an idle resource and the to-be-adjusted forwarding device supports packet flow forwarding that is based on the ACL, sending an ACL record to the to-be-adjusted forwarding device, where the ACL record includes the flow identifier and the information about the next hop.Type: ApplicationFiled: July 23, 2019Publication date: November 14, 2019Inventors: Nan Wu, Shunwan Zhuang, Jing Liu, Yuan Rao, Haibo Wang
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Publication number: 20190305811Abstract: A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.Type: ApplicationFiled: June 19, 2019Publication date: October 3, 2019Inventors: Jikai Chen, Yuan Rao, Yanli Fan
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Publication number: 20190253091Abstract: A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.Type: ApplicationFiled: February 13, 2018Publication date: August 15, 2019Inventors: Jikai Chen, Yuan Rao, Yanli Fan
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Patent number: 10374647Abstract: A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.Type: GrantFiled: February 13, 2018Date of Patent: August 6, 2019Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Jikai Chen, Yuan Rao, Yanli Fan
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Publication number: 20190104060Abstract: A data flow redirection method to overcome a disadvantage that a quantity of adjustable data flows is relatively small due to limited space of a flow specification forwarding table. The method includes receiving, by a network device, a control message sent by a control device, where the control message carries redirection routing information of a data flow and a redirection routing indication, the redirection routing indication instructing to convert the redirection routing information of the data flow into a forwarding entry in a target forwarding table, and tablespace of the target forwarding table is greater than tablespace of a flow specification forwarding table of the network device, and converting, by the network device, the redirection routing information of the data flow into the forwarding entry in the target forwarding table according to the redirection routing indication.Type: ApplicationFiled: November 19, 2018Publication date: April 4, 2019Inventors: Haibo Wang, Shunwan Zhuang, Yuan Rao, Ruiqing Cao
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Patent number: 9467132Abstract: Embodiments of the invention relate to an input-powered comparator. Embodiments of the invention also pertain to an active diode that includes an input-powered comparator and a switch. In a specific embodiment, the input-powered comparator only consumes power when an input source provides sufficiently high voltage. Embodiments of the active diode can be used in an energy harvesting system. The comparator can be powered by the input and the system can be configured such that the comparator only consumes power when the input is ready to provide power to the load or energy storage element. In a specific embodiment, when there is no input, or the input is too low for harvesting, the comparator does not draw any power from the energy storage element (e.g., battery or capacitor) of the system.Type: GrantFiled: December 11, 2012Date of Patent: October 11, 2016Assignee: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventor: Yuan Rao
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Patent number: 9461908Abstract: A method of route convergence, a routing device, and a main control board in the routing device are provided herein. The method includes receiving route information from multiple neighbor routing devices; selecting a route among the received route information, and applying the selected route to update an FIB of the main control board; and delivering the selected route to an interface board after confirming that the route information from the multiple neighbor routing devices is received and the route selection is completed.Type: GrantFiled: July 20, 2009Date of Patent: October 4, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Chang Wang, Yong Li, Hui Ni, Yuan Rao, Zhengliang Li, Lei Fan, Xiaohui Liu, Qing Zeng
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Patent number: 8953461Abstract: A method, device, and system for processing Border Gateway Protocol (BGP) route are provided, which relate to the field of network communication technologies. The method includes: receiving a BGP route sent by a BGP neighbor; obtaining a route prefix of the BGP route according to the BGP route; determining, according to the route prefix, a BGP route storing and processing module corresponding to the route prefix; and sending the BGP route to the determined BGP route storing and processing module, so that the BGP route storing and processing module processes the received BGP route. A device and a system for processing BGP route are also provided. Therefore, the processing efficiency of the BGP route is improved, and the high extensibility is realized.Type: GrantFiled: June 17, 2011Date of Patent: February 10, 2015Assignee: Huawei Technologies Co., Ltd.Inventors: Lixin Zhang, Shuanglong Chen, Yuan Rao, Lei Fan, Boyan Tu, Jianwen Liu, Jianbin Xu, Qing Zeng
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Publication number: 20140347902Abstract: Embodiments of the subject invention relate to a method and apparatus for providing a low-power AC/DC converter designed to operate with very low input voltage amplitudes. Specific embodiments can operate with input voltages less than or equal to 1 V, less than or equal to 200 mV, and as low as 20 mV, respectively. Embodiments of the subject low-power AC/DC converter can be utilized in magnetic induction energy harvester systems. With reference to a specific embodiment, a maximum efficiency of 92% was achieved for a 1 V input, and efficiencies exceeding 70% were achieved for a 200 mV input. A specific embodiment functioned properly when connected to a magnetic energy harvester device operating below 200 mV input.Type: ApplicationFiled: June 2, 2014Publication date: November 27, 2014Inventors: Shuo Cheng, Yuan Rao
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Patent number: 8743577Abstract: Embodiments of the subject invention relate to a method and apparatus for providing a low-power AC/DC converter designed to operate with very low input voltage amplitudes. Specific embodiments can operate with input voltages less than or equal to 1 V, less than or equal to 200 mV, and as low as 20 mV, respectively. Embodiments of the subject low-power AC/DC converter can be utilized in magnetic induction energy harvester systems. With reference to a specific embodiment, a maximum efficiency of 92% was achieved for a 1 V input, and efficiencies exceeding 70% were achieved for a 200 mV input. A specific embodiment functioned properly when connected to a magnetic energy harvester device operating below 200 mV input.Type: GrantFiled: November 19, 2010Date of Patent: June 3, 2014Assignee: University of Florida Research Foundation, Inc.Inventors: Shuo Cheng, Yuan Rao
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Patent number: 8354871Abstract: Embodiments of the invention relate to an input-powered comparator. Embodiments of the invention also pertain to an active diode that includes an input-powered comparator and a switch. In a specific embodiment, the input-powered comparator only consumes power when an input source provides sufficiently high voltage. Embodiments of the active diode can be used in an energy harvesting system. The comparator can be powered by the input and the system can be configured such that the comparator only consumes power when the input is ready to provide power to the load or energy storage element. In a specific embodiment, when there is no input, or the input is too low for harvesting, the comparator does not draw any power from the energy storage element (e.g., battery or capacitor) of the system.Type: GrantFiled: November 9, 2010Date of Patent: January 15, 2013Assignee: University of Florida Research Foundation, Inc.Inventor: Yuan Rao
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Patent number: 8279881Abstract: A method for route updating includes: a. determining more than one route in accordance with a predetermined preset mechanism and sending the determined more than one route to a client and/or a non-client, by a reflector in a route advertisement, and saving more than one route reaching the same destination address by the client and/or the non-client; and b. sending to the client and/or the non-client a message carrying information on the next hop of the route to be withdrawn, by the reflector in a withdrawal of a route and withdrawing the corresponding route for route updating in accordance with the information on the next hop carried in the message, by the client/the non-client. A system for route updating and a router reflector is also provided.Type: GrantFiled: January 4, 2008Date of Patent: October 2, 2012Assignee: Huawei Technologies Co., Ltd.Inventors: Renhai Zhang, Hui Ni, Yuan Rao
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Patent number: 8189311Abstract: A method of circuit breaker control includes determining if a trip event for a circuit breaker has occurred, determining a set of redundancy parameters for the circuit breaker, and transmitting a trip signal and a shunt trip signal to the circuit breaker based on the set of redundancy parameters.Type: GrantFiled: November 30, 2009Date of Patent: May 29, 2012Assignee: General Electric CompanyInventors: Thomas Frederick Papallo, Jr., Theodore Drummond Hill, III, Radoslaw Narel, Joseph Yuan Rao
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Publication number: 20110242991Abstract: A method, device, and system for processing Border Gateway Protocol (BGP) route are provided, which relate to the field of network communication technologies. The method includes: receiving a BGP route sent by a BGP neighbor; obtaining a route prefix of the BGP route according to the BGP route; determining, according to the route prefix, a BGP route storing and processing module corresponding to the route prefix; and sending the BGP route to the determined BGP route storing and processing module, so that the BGP route storing and processing module processes the received BGP route. A device and a system for processing BGP route are also provided. Therefore, the processing efficiency of the BGP route is improved, and the high extensibility is realized.Type: ApplicationFiled: June 17, 2011Publication date: October 6, 2011Inventors: Lixin ZHANG, Shuanglong Chen, Yuan Rao, Lei Fan, Boyan Tu, Jianwen Liu, Jianbin Xu, Qing Zeng