Patents by Inventor Jianwu Yang

Jianwu Yang 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: 20240137076
    Abstract: Provided are an intelligent surface and a spatial electromagnetic wave manipulation system. The intelligent surface includes M types of electromagnetic units, where M is greater than or equal to 2. The M types of electromagnetic units are distinguished by at least one of the following: the geometric shape of the electromagnetic unit, the manipulation manner of the electromagnetic unit or the type of an electromagnetic parameter manipulated by the electromagnetic unit.
    Type: Application
    Filed: January 30, 2022
    Publication date: April 25, 2024
    Inventors: Jun YANG, Yijian CHEN, Jianwu DOU, Min FANG
  • Patent number: 11937293
    Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for determining an adaptive random access response window length in non-terrestrial networks. In one embodiment, a method performed by a communication device includes: receiving system information from a communication node, wherein the communication node communicates using a satellite in orbit or a high altitude platform station (HAPS); and determining an adaptive random access response window length based on the system information and whether the communication device has access to situation information that: characterizes a location of the communication device, an ephemeris of the satellite or a trajectory of the HAPS, and a payload type of the satellite or the HAPS.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: March 19, 2024
    Assignee: ZTE CORPORATION
    Inventors: Wei Cao, Zhen Yang, Nan Zhang, Jianwu Dou, Linxi Hu
  • Publication number: 20240088964
    Abstract: A beam processing method, a network device, a base station, and a computer readable storage medium are disclosed. The method may include acquiring first beam identification information and beam time domain information sent by the base station, wherein the beam time domain information comprises beamforming time information that is indicative of a time corresponding to beamforming by the network node for signal directing; determining a first time domain according to the beamforming time information; and forming a first beam for signal directing in the first time domain, wherein the first beam is determined by the network node according to the first beam identification information.
    Type: Application
    Filed: May 23, 2022
    Publication date: March 14, 2024
    Inventors: Yong LI, Zhaohua LU, Yuxin WANG, Yijian CHEN, Jianwu DOU, Jun YANG
  • Patent number: 10078802
    Abstract: A method and system of discovering and analyzing structures of user groups in a microblog is provided in this invention. The method of discovering and analyzing structures of the user groups in a microblog comprises: acquiring information on behavior data of microblog users of a target group; constructing a microblog user association network based on the information on behavior data of the microblog users of the target group; acquiring at least one maximal clique from the microblog user association network; acquiring at least one core clique based on the maximal clique; and conducting behavior analysis on the user groups in the microblog based on the acquired maximal clique and/or the acquired core clique.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: September 18, 2018
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Liyong Zhao, Xiaoming Yu, Jianwu Yang, Yan Zheng
  • Patent number: 9552435
    Abstract: The present application discloses methods and systems for incrementally collecting replies in a forum and belongs to the technical field of collecting network information. The method comprises periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected: if yes, extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies. The system comprises a determining device (11) for periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected; and an extracting device (12) for extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: January 24, 2017
    Assignees: Peking University Founder Group Co., Ltd., Peking University Founder R & D Center, Beijing Founder Electronics Co., Ltd., Peking University
    Inventors: Xinli Wu, Jianwu Yang
  • Patent number: 9525605
    Abstract: The invention discloses a method of collecting network data. This method is applicable to collection of data of network documents, published on a website, related respectively to M subjects, wherein M is a positive integer, the method including: configuring webpage link addresses, of network data to be collected, into queues of corresponding types according to types corresponding to the webpage link addresses of the network data to be collected, wherein the webpage link addresses of the network data to be collected are link addresses of webpages where the data of the network documents related respectively to the M subjects are located; obtaining webpage source codes corresponding to the webpage link addresses, of the network data to be collected, in the queues of the corresponding types; and extracting the data of the network documents corresponding to URLs corresponding to the webpage source codes according to the URL information and collection depth values of the URLs.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: December 20, 2016
    Assignees: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Xinli Wu, Jianwu Yang
  • Patent number: 9519718
    Abstract: The present application provides web information detecting method and system. The method according to the present application comprises: pre-extracting keywords from a web page; storing a corresponding relationship between the extracted keywords and a URL of the web page in a database; obtaining a source file of a web page to be detected; searching the database for keywords that have the same URL as that of the web page to be detected; comparing the searched keywords to the source file information of the web page to be detected; and determining the existence of information of the web page to be detected according to a matching degree. The present application increases the accuracy of web information detection.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: December 13, 2016
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd., Peking University Founder R & D Center
    Inventors: Song Wang, Rufeng Liang, Dan Zhang, Hong'e Sun, Jianwu Yang, Xinli Wu
  • Patent number: 9430301
    Abstract: A distributed system for downloading distributed Internet information and a method thereof are disclosed. A distribution subsystem receives downloading task information from a user, and sends the downloading task information to a downloading subsystem. The downloading subsystem downloads task result information according to the downloading task information, and sends the task result information to the distribution subsystem. The distribution subsystem receives the task result information, and returns the task result information to the user made the request. The physical environment of the system can include a distribution server and a downloading subsystem group, the internal function of the system is to assign the required tasks to the downloading subsystem group based on a queue model, the downloading subsystem group can process the assigned tasks concurrently.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: August 30, 2016
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd.
    Inventors: Lei Yan, Xiao Liang, Xiaoming Yu, Jianwu Yang
  • Patent number: 9390075
    Abstract: The present disclosure provides a method and apparatus for acquiring a content information of a page, by acquiring an access link primary address and an access link secondary address of a website, and then determining a layout page corresponding to the website through the access link primary address and the access link secondary address, and extracting summary information of each post included in the layout page from a source code file of the layout page; and acquiring a link address of each post from the summary information, determining a post page of each post according to the link address, and extracting content information of each post from a source code file of the post page, the method disclosed in the present disclosure could acquire latest initiating post and replying post information published on the bulletin board system website can in real time, and acquire replying posts incrementally.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: July 12, 2016
    Assignees: Peking University Founder Group Co., Ltd., Peking University, Beijing Founder Electronics Co., Ltd.
    Inventors: Xinli Wu, Jianwu Yang
  • Publication number: 20160119141
    Abstract: The present invention relates to a secure communication authentication method and system in a distributed environment. By using the method and the system of the present invention, disadvantages in a platform identity certification process in TCG remote certification are alleviated, a method for platform identity certification is expanded, and by combining three technologies, that are, zero-knowledge proof, a Kerberos framework and a virtual TPM, a new verification method is designed, which is mainly intended to make improvement in the aspects in the existing method such as platform information exposure, a trusted third-party bottleneck and complexity avoidance. By using the method and the system of the present invention, the problems of privacy exposure and efficiency in mutual verification between remote servers in the existing distributed system.
    Type: Application
    Filed: November 8, 2013
    Publication date: April 28, 2016
    Inventors: Yanying JING, Jianwu YANG, Xiaoming YU, Dan ZHANG
  • Publication number: 20150356444
    Abstract: A method and system of discovering and analyzing structures of user groups in a microblog is provided in this invention. The method of discovering and analyzing structures of the user groups in a microblog comprises: acquiring information on behavior data of microblog users of a target group; constructing a microblog user association network based on the information on behavior data of the microblog users of the target group; acquiring at least one maximal clique from the microblog user association network; acquiring at least one core clique based on the maximal clique; and conducting behavior analysis on the user groups in the microblog based on the acquired maximal clique and/or the acquired core clique.
    Type: Application
    Filed: November 11, 2013
    Publication date: December 10, 2015
    Inventors: Liyong ZHAO, Xiaoming YU, Jianwu YANG, Yan ZHENG
  • Publication number: 20150356091
    Abstract: Provided are a method and system for identifying microblog user identity. The method comprises obtaining behavioral data of a user to be identified and feature library information of user behavior, reprocessing the obtained behavioral data of the user to be identified, performing semantic unit reconstruction on the preprocessed user behavioral data, and obtaining attribute information and its corresponding weight of the semantic unit; obtaining behavioral feature of the user to be identified based on attribute information and corresponding weight. The method further comprises comparing behavioral feature of user to be identified with each feature category in the feature library information of user behavior and determining the identity of the user to be identified of user behavior exceeds a predefined threshold. Using the provided method and system for identifying the microblog user identity, the accuracy and real-time performance of identifying the microblog user identity may be effectively improved.
    Type: Application
    Filed: December 5, 2013
    Publication date: December 10, 2015
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY, BEIJING FOUNDER ELECTRONICS CO., LTD.
    Inventors: Liyong ZHAO, Xiaoming YU, Jianwu YANG, Yan ZHENG
  • Publication number: 20150127644
    Abstract: The present application discloses methods and systems for incrementally collecting replies in a forum and belongs to the technical field of collecting network information. The method comprises periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected: if yes, extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies. The system comprises a determining device (11) for periodically determining whether there is a newly-established post and a post having new replies in all forum list pages needed to be collected; and an extracting device (12) for extracting a main post and reply information from the newly-established post, and extracting the information of the new replies from the post having new replies.
    Type: Application
    Filed: December 22, 2011
    Publication date: May 7, 2015
    Applicants: Peking University Founder Group Co., Ltd., Peking University Founder R & D Center, Beijing Founder Electronics Co., Ltd., Peking University
    Inventors: Xinli Wu, Jianwu Yang
  • Publication number: 20140289395
    Abstract: Disclosed are a network comment collection method and system. The method comprises: obtaining a web page entry link address; determining whether a web page corresponding to the web page entry link address has N network comments, N being a positive integer; when there are N network comments, determining whether M network comments among the N network comments satisfy a collection condition, M being a positive integer less than or equal to N; when there are M network comments satisfying the collection condition, collecting the M network comments.
    Type: Application
    Filed: December 13, 2012
    Publication date: September 25, 2014
    Inventors: Tao Zhang, Xiaoming Yu, Jianwu Yang
  • Publication number: 20140289394
    Abstract: The invention discloses a method of collecting network data. This method is applicable to collection of data of network documents, published on a website, related respectively to M subjects, wherein M is a positive integer, the method including: configuring webpage link addresses, of network data to be collected, into queues of corresponding types according to types corresponding to the webpage link addresses of the network data to be collected, wherein the webpage link addresses of the network data to be collected are link addresses of webpages where the data of the network documents related respectively to the M subjects are located; obtaining webpage source codes corresponding to the webpage link addresses, of the network data to be collected, in the queues of the corresponding types; and extracting the data of the network documents corresponding to URLs corresponding to the webpage source codes according to the URL information and collection depth values of the URLs.
    Type: Application
    Filed: December 13, 2012
    Publication date: September 25, 2014
    Inventors: Xinli Wu, Jianwu Yang
  • Publication number: 20140189062
    Abstract: A distributed system for downloading distributed Internet information and a method thereof are disclosed. A distribution subsystem receives downloading task information from a user, and sends the downloading task information to a downloading subsystem. The downloading subsystem downloads task result information according to the downloading task information, and sends the task result information to the distribution subsystem. The distribution subsystem receives the task result information, and returns the task result information to the user made the request. The physical environment of the system can include a distribution server and a downloading subsystem group, the internal function of the system is to assign the required tasks to the downloading subsystem group based on a queue model, the downloading subsystem group can process the assigned tasks concurrently.
    Type: Application
    Filed: December 3, 2013
    Publication date: July 3, 2014
    Applicants: Peking University Founder Group Co., Ltd., Beijing Founder Electronics Co., Ltd., Peking University
    Inventors: Lei Yan, Xiao Liang, Xiaoming Yu, Jianwu Yang
  • Publication number: 20140172774
    Abstract: The present application discloses a method and a device for generating a recognizing model for recognizing named entities, and a method and a device for recognizing named entities. The method for recognizing named entities comprising: obtaining a first characteristic information set of a text to be trained; recognizing the first characteristic information set based on the first recognizing model to obtain a second characteristic information set which comprises M named entities obtained by recognizing the first characteristic information set through the first recognizing model, wherein M is an integer larger than or equal to 0; and performing error-correction on the M named entities in the second characteristic information set based on the error driving model to obtain K named entities, wherein K is an integer lager than or equal to 0 but less than or equal to M.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 19, 2014
    Applicants: Peking University Founder Group Co., Ltd, Beijing Founder Electronics Co., Ltd, Peking University
    Inventors: Zhichao Liu, Xiaoming Yu, Jianwu Yang
  • Publication number: 20140156799
    Abstract: The present application discloses a method and a system for extracting post contents from a forum web page. The method includes: acquiring a forum web page; converting the forum web page into a DOM tree, wherein the DOM tree at least includes a root node and at least one child node attached to the root node; generating frequent patterns for the root node and the at least one child node in a one-to-one correspondence mode; determining a node corresponding to information contents in the forum web page according to a frequent pattern, satisfying a preset condition, in the frequent patterns; and extracting the information contents in the forum web page from the node corresponding to the information contents in the forum web page based on a preset common sub-tree algorithm.
    Type: Application
    Filed: November 29, 2013
    Publication date: June 5, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY
    Inventors: Tao Zhang, Jianwu Yang, Xiaoming Yu
  • Publication number: 20140067784
    Abstract: The present application provides web information detecting method and system. The method according to the present application comprises: pre-extracting keywords from a web page; storing a corresponding relationship between the extracted keywords and a URL of the web page in a database; obtaining a source file of a web page to be detected; searching the database for keywords that have the same URL as that of the web page to be detected; comparing the searched keywords to the source file information of the web page to be detected; and determining the existence of information of the web page to be detected according to a matching degree. The present application increases the accuracy of web information detection.
    Type: Application
    Filed: December 22, 2011
    Publication date: March 6, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY FOUNDER R & D CENTER, BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY
    Inventors: Song Wang, Rufeng Liang, Dan Zhang, Hong'e Sun, Jianwu Yang, Xinli Wu
  • Publication number: 20140052753
    Abstract: The application relates to communication technology field, in particular to a method, an apparatus and a system for processing a public sentiment topic. The method comprises steps of searching a public sentiment topic containing public sentiment information through a network; acquiring characteristic information of the searched public sentiment topic; determining whether the acquired characteristic information of the public sentiment topic meets an alarming condition; and if yes, storing the public sentiment topic and its characteristic information. According to the method, apparatus and system for processing the public sentiment topic provided in embodiments of the present application, it can be determined whether or not an alarm for the public sentiment topic shall be issued by acquiring and determining the characteristic information of the public sentiment topic.
    Type: Application
    Filed: December 21, 2011
    Publication date: February 20, 2014
    Applicants: PEKING UNIVERSITY FOUNDER GROUP CO., LTD., PEKING UNIVERSITY FOUNDER R & D CENTER, BEIJING FOUNDER ELECTRONICS CO., LTD., PEKING UNIVERSITY
    Inventors: Dan Zhang, Jianwu Yang, Rufeng Liang, Xinli Wu