Patents by Inventor Yunpeng Li
Yunpeng Li 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: 10152800Abstract: The disclosure provides a stereoscopic vision three dimensional measurement method and system calculating a laser speckle as a texture. The measurement method includes that: a forming process of a laser speckle is simulated first, and calculation is performed to obtain a digitized laser speckle diagram, then the laser speckle diagram is outputted onto a film or a photographic dry plate, the laser speckle diagram on the film or the photographic dry plate is projected onto a surface of a measured object subsequently; a left view and a right view of the measured object are acquired finally, and all matching points corresponding to each other are found in the left view and the right view, and then a three dimensional point cloud of the surface of the measured object is reconstructed.Type: GrantFiled: November 25, 2015Date of Patent: December 11, 2018Assignee: ZHUHAI RITECH TECHNOLOGY CO. LTD.Inventors: Fugen Zhang, Yunpeng Li
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Patent number: 10149303Abstract: A method and apparatus for an interference-aware resource-sharing scheme for multiple D2D group communications is provided. The method for interference-aware resource-sharing scheme for multiple D2D communications includes initializing a D2D communication request and deciding the numbers of D2D pairs and CUEs, grouping D2D pairs according to the decided numbers of the D2D pairs and CUEs, selecting target CUEs for the grouped D2D pairs to share frequency resources, applying interference alignment to the D2D groups, updating the set of the CUEs and D2D pairs, and moving the rest of the D2D pairs to the orthogonal group.Type: GrantFiled: December 2, 2015Date of Patent: December 4, 2018Assignee: INHA-Industry Partnership InstituteInventors: Kyung Hi Chang, Yunpeng Li, Zeeshan Kaleem
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Patent number: 10135543Abstract: A clock recovery method is provided. The method has the following operations: performing clock balance pre-filtering on an input time/frequency domain signal according to a self-adaptive balance coefficient input currently, to obtain a balance pre-filtering signal; according to the balance pre-filtering signal, acquiring a phase error of the input time/frequency domain signal; and performing phase adjustment on the input time/frequency domain signal according to the phase error, and outputting a new self-adaptive balance coefficient after self-adaptive balance processing is performed on the phase-adjusted time/frequency domain signal. A clock recovery device and system and a non-transitory computer-readable storage medium are also provided.Type: GrantFiled: April 1, 2014Date of Patent: November 20, 2018Assignee: SANECHIPS TECHNOLOGY CO., LTD.Inventors: Yangzhong Yao, Yi Cai, Yunpeng Li, Guohua Gu, Wei Ren
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Patent number: 10013553Abstract: There is provided a method of protecting the execution of a software application, the method performed by a plurality of processes comprising a process for executing the software application and a plurality of protection processes, wherein each protection process in the plurality of protection processes is configured to: monitor a process state of at least one other process in the plurality of processes to determine whether said process state corresponds to a predetermined process state; and perform a predetermined action in response to a determination that said process state corresponds to the predetermined process state; wherein the plurality of protection processes are configured such that a process state of the process for executing the software application is monitored by at least one protection process and a process state of each protection process is monitored by at least one other protection process in the plurality of protection processes.Type: GrantFiled: March 27, 2013Date of Patent: July 3, 2018Assignee: IRDETO B.V.Inventors: Yunpeng Li, Chunming Qie
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Patent number: 9929801Abstract: A chromatic dispersion measurement method is provided. According to the method, chromatic dispersion sequence processing is performed on acquired frequency domain data to obtain chromatic dispersion sequences of frequency domain data. A correlation operation on the obtained chromatic dispersion sequences is separately performed at a preset interval. A sum of obtained correlation values is calculated to obtain a first value. A chromatic dispersion value is determined according to the first value, a frequency value per unit frequency interval of the frequency domain data and the preset interval. In this way, the chromatic dispersion value can be accurately determined, and the processing efficiency is high.Type: GrantFiled: April 1, 2014Date of Patent: March 27, 2018Assignee: SANECHIPS TECHNOLOGY CO., LTD.Inventors: Yangzhong Yao, Yunpeng Li, Yi Cai, Weiqin Zhou, Zhensheng Jia
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Patent number: 9813963Abstract: A system that incorporates the subject disclosure may include, for example, responsive to a determination that a number of failed service requests directed to a first access technology exceeds a threshold for a maximum number of failed service requests, performing cell selection associated with a second radio access technology during an overload mitigation time duration; and responsive to a determination of an expiration of the overload mitigation time duration, transmitting additional service requests associated with the first radio access technology. Other embodiments are disclosed.Type: GrantFiled: February 17, 2016Date of Patent: November 7, 2017Assignee: AT&T Mobility II LLCInventors: Jerry Jun, Inderpreet Singh Ahluwalia, Yunpeng Li, Huitao Liu
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Patent number: 9774538Abstract: A system for efficiently transmitting requests for data access from a wireless communications device to a radio access network. Requests for data access may be aggregated to more efficiently use radio resources. Aggregated requests may not be transmitted until a total number of requests or size of aggregated requests exceeds a threshold. Regardless of aggregation, requests may be stored until a timer expires, and then transmitted to the radio access network. Request priority, environmental data, and device data may be taken into account in determining when to transmit requests for data access.Type: GrantFiled: July 15, 2011Date of Patent: September 26, 2017Assignee: AT&T Mobility II LLCInventors: Jerry Jun, Huitao Liu, Darwin Parra, Yunpeng Li
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Patent number: 9729232Abstract: Disclosed are a chromatic dispersion estimation method and device in optical coherent communication, wherein, the method includes: performing a fast Fourier transform on IQ-imbalance compensated data to obtain frequency-domain data in two polarization directions; calculating autocorrelation sequences of the frequency-domain data and performing an inverse fast Fourier transform on the values of the autocorrelation sequences; calculating modulus squares of the results of the inverse fast Fourier transform, and adding the results in the two polarization directions to obtain; determining a mean value of s of a plurality of data sets; calculating an index of the maximum value of, and estimating a dispersion value of the optical fiber link according to the index of the maximum value of. The abovementioned technical solution allows a significantly accurate and rapid estimation of dispersion values.Type: GrantFiled: May 23, 2014Date of Patent: August 8, 2017Assignees: ZTE CORPORATION, Sanechips Technology Co., Ltd.Inventors: Yangzhong Yao, Qiang Li, Yunpeng Li, Guohua Gu, Wei Ren
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Publication number: 20170223713Abstract: A method and apparatus for an interference-aware resource-sharing scheme for multiple D2D group communications is provided. The method for interference-aware resource-sharing scheme for multiple D2D communications includes initializing a D2D communication request and deciding the numbers of D2D pairs and CUEs, grouping D2D pairs according to the decided numbers of the D2D pairs and CUEs, selecting target CUEs for the grouped D2D pairs to share frequency resources, applying interference alignment to the D2D groups, updating the set of the CUEs and D2D pairs, and moving the rest of the D2D pairs to the orthogonal group.Type: ApplicationFiled: December 2, 2015Publication date: August 3, 2017Inventors: Kyung Hi Chang, Yunpeng Li, Zeeshan Kaleem
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Publication number: 20170154436Abstract: The disclosure provides a stereoscopic vision three dimensional measurement method and system calculating a laser speckle as a texture. The measurement method includes that: a forming process of a laser speckle is simulated first, and calculation is performed to obtain a digitized laser speckle diagram, then the laser speckle diagram is outputted onto a film or a photographic dry plate, the laser speckle diagram on the film or the photographic dry plate is projected onto a surface of a measured object subsequently; a left view and a right view of the measured object are acquired finally, and all matching points corresponding to each other are found in the left view and the right view, and then a three dimensional point cloud of the surface of the measured object is reconstructed.Type: ApplicationFiled: November 25, 2015Publication date: June 1, 2017Inventors: Fugen Zhang, Yunpeng Li
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Patent number: 9603070Abstract: A system that incorporates the subject disclosure may include, for example, responsive to a determination that a first communication session is in a first state and a first sub-state, monitoring for an active timer associated with the first sub-state, where the first state and the first sub-state are defined by a communications protocol. The system can, responsive to a detection of the active timer, monitor for a packet switching service initiation request generated by the applications processor. The system can, responsive to detecting the packet switching service initiation request, temporarily prevent the packet switching service initiation request from being transmitted by the transceiver. Other embodiments are disclosed.Type: GrantFiled: June 18, 2015Date of Patent: March 21, 2017Assignee: AT&T MOBILITY II LLCInventors: Jerry Jun, Inderpreet Singh Ahluwalia, Yunpeng Li
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Publication number: 20170024230Abstract: An apparatus, computer-readable medium, and computer-implemented method for obfuscating execution of an application on a virtual machine (VM), includes receiving a custom VM definition corresponding to a custom VM, generating custom application bytecode from application source code based at least in part on the custom VM definition, the custom application bytecode being configured to run on the custom VM, generating custom VM source code based at least in part on the custom VM definition, compiling the custom VM source code with one or more target system compilers to generate one or more instances of the custom VM, the one or more instances of the custom VM being configured to run on the one or more target systems, and packaging the custom application bytecode and the one or more instances of the custom VM into an installable application.Type: ApplicationFiled: March 31, 2014Publication date: January 26, 2017Inventors: Yunpeng Li, Wilson Qie, Shiya Liu, Tony Chen
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Publication number: 20160329970Abstract: A clock recovery method is provided. The method has the following operations: performing clock balance pre-filtering on an input time/frequency domain signal according to a self-adaptive balance coefficient input currently, to obtain a balance pre-filtering signal; according to the balance pre-filtering signal, acquiring a phase error of the input time/frequency domain signal; and performing phase adjustment on the input time/frequency domain signal according to the phase error, and outputting a new self-adaptive balance coefficient after self-adaptive balance processing is performed on the phase-adjusted time/frequency domain signal. A clock recovery device and system and a non-transitory computer-readable storage medium are also provided.Type: ApplicationFiled: April 1, 2014Publication date: November 10, 2016Applicant: ZHONGXING MICROELECTRONICS TECHNOLOGY CO. LTDInventors: Yangzhong YAO, Yi CAI, Yunpeng LI, Guohua GU, Wei REN
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Publication number: 20160329960Abstract: A chromatic dispersion measurement method is provided. According to the method, chromatic dispersion sequence processing is performed on acquired frequency domain data to obtain chromatic dispersion sequences of frequency domain data. A correlation operation on the obtained chromatic dispersion sequences is separately performed at a preset interval. A sum of obtained correlation values is calculated to obtain a first value. A chromatic dispersion value is determined according to the first value, a frequency value per unit frequency interval of the frequency domain data and the preset interval. In this way, the chromatic dispersion value can be accurately determined, and the processing efficiency is high.Type: ApplicationFiled: April 1, 2014Publication date: November 10, 2016Applicant: ZHONGXING MICROELECTRONICS TECHNOLOGY CO. LTDInventors: Yangzhong YAO, Yunpeng LI, Yi CAI, Weiqin ZHOU, Zhensheng JIA
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Publication number: 20160269108Abstract: Disclosed are a chromatic dispersion estimation method and device in optical coherent communication, wherein, the method includes: performing a fast Fourier transform on IQ-imbalance compensated data to obtain frequency-domain data in two polarization directions; calculating autocorrelation sequences of the frequency-domain data and performing an inverse fast Fourier transform on the values of the autocorrelation sequences; calculating modulus squares of the results of the inverse fast Fourier transform, and adding the results in the two polarization directions to obtain; determining a mean value of s of a plurality of data sets; calculating an index of the maximum value of, and estimating a dispersion value of the optical fiber link according to the index of the maximum value of. The abovementioned technical solution allows a significantly accurate and rapid estimation of dispersion values.Type: ApplicationFiled: May 23, 2014Publication date: September 15, 2016Applicant: ZTE CORPORATIONInventors: Yangzhong YAO, Qiang LI, Yunpeng LI, Guohua GU, Wei REN
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Patent number: 9373995Abstract: The present invention relates to a basic function unit of voltage source converter, which is characterized in that the basic function unit includes a switching device function module, a by-pass function module, a switch protection function module, a secondary control and protection function module, and a energy storage unit. The secondary control and protection function module, the energy storage unit and the by-pass function module are all fixed on the motherboard, there is a slide rail at the bottom of the motherboard, the motherboard can move back and forth on the slide rail. The voltage source converter based on that unit is highly modular, insensitive to switch device parameters, lower output voltage change rate, and smaller dv/dt stress of equipment, smaller noise, without filter, convenient installation and maintenance.Type: GrantFiled: October 31, 2011Date of Patent: June 21, 2016Assignees: CHINA ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID CORPORATION OF CHINAInventors: Guangfu Tang, Zhiyuan He, Hongzhou Luan, Qiang Li, Yunpeng Li
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Publication number: 20160165510Abstract: A system that incorporates the subject disclosure may include, for example, responsive to a determination that a number of failed service requests directed to a first access technology exceeds a threshold for a maximum number of failed service requests, performing cell selection associated with a second radio access technology during an overload mitigation time duration; and responsive to a determination of an expiration of the overload mitigation time duration, transmitting additional service requests associated with the first radio access technology. Other embodiments are disclosed.Type: ApplicationFiled: February 17, 2016Publication date: June 9, 2016Inventors: Jerry Jun, Inderpreet Singh Ahluwalia, Yunpeng Li, Huitao Liu
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Patent number: 9294980Abstract: A system that incorporates the subject disclosure may include, for example, responsive to a determination that a number of failed service requests directed to a first access technology exceeds a threshold for a maximum number of failed service requests, performing cell selection associated with a second radio access technology during an overload mitigation time duration; and responsive to a determination of an expiration of the overload mitigation time duration, transmitting additional service requests associated with the first radio access technology. Other embodiments are disclosed.Type: GrantFiled: March 14, 2013Date of Patent: March 22, 2016Assignee: AT&T MOBILITY II LLCInventors: Jerry Jun, Inderpreet Singh Ahluwalia, Yunpeng Li, Huitao Liu
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Publication number: 20160055333Abstract: There is provided a method of protecting the execution of a software application, the method performed by a plurality of processes comprising a process for executing the software application and a plurality of protection processes, wherein each protection process in the plurality of protection processes is configured to: monitor a process state of at least one other process in the plurality of processes to determine whether said process state corresponds to a predetermined process state; and perform a predetermined action in response to a determination that said process state corresponds to the predetermined process state; wherein the plurality of protection processes are configured such that a process state of the process for executing the software application is monitored by at least one protection process and a process state of each protection process is monitored by at least one other protection process in the plurality of protection processes.Type: ApplicationFiled: March 27, 2013Publication date: February 25, 2016Inventors: Yunpeng Li, Chunming Qie
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Publication number: 20150289178Abstract: A system that incorporates the subject disclosure may include, for example, responsive to a determination that a first communication session is in a first state and a first sub-state, monitoring for an active timer associated with the first sub-state, where the first state and the first sub-state are defined by a communications protocol. The system can, responsive to a detection of the active timer, monitor for a packet switching service initiation request generated by the applications processor. The system can, responsive to detecting the packet switching service initiation request, temporarily prevent the packet switching service initiation request from being transmitted by the transceiver. Other embodiments are disclosed.Type: ApplicationFiled: June 18, 2015Publication date: October 8, 2015Inventors: JERRY JUN, INDERPREET SINGH AHLUWALIA, YUNPENG LI