Patents Assigned to Beijing University of Posts and Telecommunications
  • Patent number: 11146342
    Abstract: The embodiments of the present disclosure provide a method and apparatus for device performance test, which relate to the field of communication technology. The method includes receiving a signal sent by a base station simulator; simulating a channel used for transmitting the signal, and performing simulated transmission on the signal based on the simulated channel; and sending the signal after the simulated transmission to respective probe in the anechoic chamber through an output interface connected to the probe, so that the probe radiates the received signal in the anechoic chamber in which the device under test is placed, and performs performance test on the device under test, where each probe is connected to an output interface of the channel simulator. By the solution provided by the embodiments of the present disclosure, the efficiency of device performance test can be improved.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: October 12, 2021
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Yong Li, Mugen Peng, Wenbo Wang
  • Patent number: 11128392
    Abstract: Embodiments of the present disclosure disclose a timing method and a device for a mobile network. The mobile network comprises: a master clock, a first network, a first network device, and a second network device. The first network device acquires timing information from the master clock through the first network, calibrates a second network device clock of the second network device according to the timing information, and calibrates a terminal clock of a terminal device according to the calibrated second network device clock.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 21, 2021
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Xiangming Wen, Chenyu Zhang, Wei Zheng, Zhaoming Lu, Luhan Wang, Zhengying Wang
  • Patent number: 11129082
    Abstract: A method of route construction of an unmanned aerial vehicle (UAV) network includes: obtaining transmission information of the UAV network; determining a relay set from the UAV network based on the transmission information; wherein, the relay set includes at least one UAV; determining environment state parameters according to the transmission information and the information of the relay set; inputting the environment state parameters into a Deep Q-Learning network (DQN) to obtain an accumulated reward corresponding to each UAV; and selecting a UAV with the largest accumulated reward as a target UAV. This disclosure also discloses a UAV and computer readable storage medium that can be used to construct routes for a UAV network.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: September 21, 2021
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Wenjun Xu, Chunlei Huang, Zhi Zhang, Shaosheng Li, Ping Zhang, Jiaru Lin
  • Publication number: 20210226325
    Abstract: An antenna is provided. The antenna includes a substantially transparent base substrate; a first pattern having a first feed point and a second pattern having a second feed point spaced apart from each other, a first feed line electrically connected to the first pattern through the first feed point; and a second feed line electrically connected to the second pattern through the second feed point. A first width along a first direction, of the first pattern, gradually increases along a second direction. A second width along the first direction, of the second pattern, gradually increases along a third direction substantially opposite to the second direction. A third width along a fourth direction, of the first feed line, gradually increases along a fifth direction. A fourth width along a sixth direction, of the second feed line, gradually increases along a seventh direction.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 22, 2021
    Applicants: BOE Technology Group Co., Ltd., Beijing University of Posts and Telecommunications
    Inventors: Yuan Yao, Lei Wang, Tuo Sun
  • Patent number: 11063714
    Abstract: A method for configuring a frame structure executed by an orchestrating device. The method includes obtaining information of requirements of services accessed in a network and current status of the network and generating a frame structure for the services according to the information of the requirements of the services and the current status of the network based on a preconfigured universal frame structure blueprint. Accordingly, a device for configuring a frame structure and a storage medium are also disclosed.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: July 13, 2021
    Assignee: Beijing University of Posts and Telecommunications
    Inventor: Mugen Peng
  • Patent number: 11064045
    Abstract: Disclosed is a method for processing a service function chain request, which includes: classifying the service function chain request received; determining a domain to process the service function chain request; wherein the service function chain requested by the service function chain request includes at least one virtual network function (VNF); distributing the service function chain request to the domain determined; determining at least one server for implementing the at least one VNF; and determining the time at which the at least one server implements the at least one VNF. The disclosure also discloses a system for processing a service function chain request.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: July 13, 2021
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Shanguo Huang, Xin Li, Tao Gao, Ying Tang, Yongjun Zhang, Bingli Guo
  • Publication number: 20210176737
    Abstract: A data receiving method includes: receiving first downlink control information; receiving first data in a subframe subsequent to a subframe corresponding to the first downlink control information; if second downlink control information is not received, storing the first data located between a current subframe and the subframe corresponding to the first downlink control information; if the second downlink control information is received, acquiring demodulation auxiliary information; receiving data overlapping in time domain and frequency domain in a subframe subsequent to a subframe corresponding to the second downlink control information, the overlapping data comprising second data and third data; demodulating the stored first data according to the demodulation auxiliary information to obtain demodulated data corresponding to second user equipment; determining the third data in the overlapping data according to the demodulated data corresponding to the second user equipment; and acquiring the second data from
    Type: Application
    Filed: December 20, 2017
    Publication date: June 10, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yang LIU, Yong LI
  • Patent number: 11016147
    Abstract: The present disclosure discloses an intelligent monitoring system for an energy switch accessory device, comprising a smart device monitoring unit, a data processing unit, and a data storage unit. A wireless connection and a physical connection of a device are separately checked. Electrical information of a device is obtained through the physical connection. A device is categorized as an ordinary device if the wireless connection of with the device is disconnected while the physical connection with the device is maintained.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: May 25, 2021
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Xiangming Wen, Jinlong Mi, Chunlei Sun, Zhaoming Lu, Yan Tian, Jingyi Zhang
  • Publication number: 20210045027
    Abstract: Disclosed are a handover method for between base stations, and a device, system and storage medium. The base station sends a handover request to a target base station, where the handover request carries type information of a core network used for indicating the type of core network which the UE to be handed over between base stations needs to access. The base station receives a handover response sent from the target base station, where the handover response indicates whether the target base station allows the UE to be handed over to the target base station, and the handover response is sent by the target base station according to the type information of a core network and the type of at least one core network connected to the target base station.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 11, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Wei HONG, Yajun ZHU, Yong LI
  • Publication number: 20210037578
    Abstract: Aspects of the disclosure provide a method, apparatus, and system for establishing a connection between a terminal and a core network to be accessed, which fall within the technical field of wireless communications. The method can include receiving signaling sent by a terminal, wherein the signaling includes information indicating that a core network type corresponding to a core network to be accessed by the terminal is a target type. The method can further include determining the target type indicated by the information, and establishing a connection between the terminal and the core network corresponding to the target type. The core network corresponding to the target type is the core network to be accessed by the terminal. By means of the present disclosure, a connection can be established between a terminal and a core network to be accessed.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 4, 2021
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Wei HONG, Yajun ZHU, Yong LI
  • Patent number: 10880854
    Abstract: The present disclosure provides a method, an apparatus, and a storage medium for determining a location of an intelligent base station.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 29, 2020
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Jianhua Zhang, Yujie Yang, Ping Zhang
  • Publication number: 20200403913
    Abstract: A network resource scheduling method, apparatus, an electronic device and a storage medium are disclosed. An embodiment of the method includes: upon receipt of a network data stream, determining a traffic type of the network data stream based on the number of data packets of the network data stream received within a specified period of time, lengths of the data packets and reception times of the data packets; for each data packet comprised in the network data stream, determining a target transmission path for the data packet, based on node state parameters of nodes in the network cluster, link state parameters of links in the network cluster, and the traffic type of the network data stream when the data packet is received; and transmitting the data packet via the target transmission path.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 24, 2020
    Applicant: Beijing University of Posts and Telecommunications
    Inventors: Jing Wang, Jingyu Wang, Haifeng Sun, Qi Qi, Bo He, Jianxin Liao
  • Patent number: 10848428
    Abstract: The present application provides a method for dynamically allocating resources in an SDN/NFV network based on load balancing. For multimedia services with different demands, a virtual link mapping target, a constraint and a load state of a physical link are associated. A subtask is adaptively mapped to a network node according to the load state of the physical link. The method effectively distinguishes used resources and remaining resources of a physical node and a link to balance the load, and thereby improve the utilization of network resources and avoid occurrence of a local optimum or current optimum. The solution involves performing a subtask mapping to find a server node satisfying constraints for each subtask in a service request. The model for mapping the subtask is min T ? V ? ? Target 1 s . t . ? C 1 , C 2 , C 3 , C 4 .
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 24, 2020
    Assignees: STATE GRID HENAN INFORMATION & TELECOMMUNCATION COMPANY, BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Wencui Li, Shiwen Wang, Siya Xu, Gangsong Dong, Shaoyong Guo, Yi Jin, Xiong Li, Lei Feng, Jing Shen
  • Publication number: 20200358564
    Abstract: Aspects of the present disclosure relates to a method, device, and system for transmitting data. The method can include receiving a transport block (TB) transmitted by a transmitting terminal, the TB comprising a plurality of code blocks (CBs), and determining an erroneous CB in the TB, and determining, according to a preset affiliation between CBs and code block groups (CBGs), whether each CBG includes an erroneous CB, any CB corresponding to m CBGs in the affiliation, and m being a preset positive integer. The method can further include, for each CBG, if the CBG includes an erroneous CB, determining that feedback information corresponding to the CBG is a negative acknowledgement (NACK), and if the CBG does not comprise an erroneous CB, determining that the feedback information corresponding to the CBG is a positive acknowledgement (ACK), and transmitting the feedback information corresponding to each CBG to the transmitting terminal.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicants: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Yajun ZHU, Juejia ZHOU, Wei HONG, Chunhua LIU, Yong LI
  • Patent number: 10833995
    Abstract: Embodiments of the present invention provide a congestion control method and apparatus based on a software defined network SDN, and an SDN controller. The method comprises: obtaining a packet_in message sent by a switch; determining a data packet included in the packet_in message; performing a first congestion control processing for a network where the SDN controller is located based on a topological structure and link information of the network when the data packet is a handshake information SYN packet for requesting to establish a TCP connection; performing a second congestion control processing for the network based on the link information when the data packet is a finish information FIN packet for responding to disconnection of a TCP connection; deleting information of a TCP connection stored in a database and corresponding to the data packet when the data packet is an FIN packet requesting to disconnect a TCP connection.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 10, 2020
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Jianxin Liao, Qi Qi, Jing Wang, Jingyu Wang, Jiannan Bao
  • Patent number: 10826629
    Abstract: Embodiment of the present disclosure discloses a method and an apparatus for generating human pose images based on Wi-Fi signals. The method for generating human pose images based on Wi-Fi signals comprises: receiving Wi-Fi signals through one or more antennas; obtaining channel state information from the Wi-Fi signals; extracting channel state information components related to human pose changes from the channel state information; constructing a mapping model between the Wi-Fi signals and the human poses to map the channel state information components related to the human pose changes to a human pose image sequence.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: November 3, 2020
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Zhaoming Lu, Lingchao Guo, Xiangming Wen, Shuang Zhou, Zijun Han, Xinbin Shen, Zhihong He
  • Patent number: 10812234
    Abstract: The embodiments of the present invention provide an interleave-based method and apparatus for enhancing capacity of a random access channel, wherein the method is applied to a terminal device. The method includes: receiving a set of preamble sequences and at least two interleavers sent by a base station; determining, when a random access is triggered, a to-be-used preamble sequence from the set of preamble sequences as a target preamble sequence, and randomly determining a to-be-used interleaver from the at least two interleavers as a target interleaver; performing interleaving processing on the target preamble sequence by using the target interleaver to generate an interleaved target preamble sequence, wherein, performing interleaving processing on the same preamble sequence by using different interleavers will generate different interleaved preamble sequences; sending a random access request to the base station by using the interleaved target preamble sequence.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: October 20, 2020
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Zhongyuan Zhao, Mugen Peng
  • Patent number: 10785265
    Abstract: Disclosed is a method and device for target sequence identification, wherein an optical binary sequence and an all-zero sequence are subjected to an XNOR operation and a first candidate sequence set is generated by splitting the result sequence; a second candidate sequence set is generated by splitting the optical binary sequence; multiple binary sequences are selected from the first candidate sequence set and the second candidate sequence set according to the target sequence to generate a to-be-delayed sequence set; various delay duration are configured for each binary sequence of the to-be-delayed sequence set; a to-be-matched sequence set is generated after delaying; an AND operation is performed on the sequences of the to-be-matched sequence set to generate a final sequence; and the number and position of the target sequence in the binary sequence can be determined according to the number and position of a pulse in the final sequence.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 22, 2020
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Shanguo Huang, Xin Li, Junfeng Guo, Ying Tang, Yongjun Zhang, Shan Yin
  • Publication number: 20200295458
    Abstract: An antenna configured to transmit or receive a signal is provided. The antenna includes a substantially transparent base substrate and an antenna electrode on the substantially transparent base substrate. The antenna electrode includes a substantially transparent conductive layer, and a first conductive line abutting an edge portion of the substantially transparent conductive layer and electrically connected to the edge portion of the substantially transparent conductive layer. An electrical conductivity of the first conductive line is greater than an electrical conductivity of the substantially transparent conductive layer.
    Type: Application
    Filed: June 17, 2019
    Publication date: September 17, 2020
    Applicants: BOE Technology Group Co., Ltd., Beijing University of Posts and Telecommunications
    Inventors: Yuan Yao, Lei Wang, Tienlun Ting
  • Patent number: 10755120
    Abstract: Embodiments of the present invention provide an end-to-end lightweight method and apparatus for license plate recognition. The method comprises: obtaining an image to be recognized; obtaining a number of a license plate in the image to be recognized and position coordinates of the license plate in the image to be recognized on the basis of the image to be recognized and a pre-trained target license plate recognition model, wherein the target license plate recognition model comprises a target feature extraction network, a target region candidate localization network, a target super-resolution generation network and a target recurrent neural network. Because in this solution, once an image to be recognized is input into the target license plate recognition model, the target license plate recognition model can output the license plate number and position coordinates of the license plate in the image to be recognized, one realizes an end-to-end model.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 25, 2020
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Huiyuan Fu, Huadong Ma, Yifan Zhang, Yu Cao, Dengkui Zhang