Patents by Inventor Zhijun Cai

Zhijun Cai 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).

  • Patent number: 12219512
    Abstract: Described herein is a system with a first network element and a second network element. The first network element contains a processor configured to synchronize with the second network element; and maintain synchronization with the second network element. The first network element is a small cell eNB and the second network element is one of the following: a macro cell enhanced node-B (eNB); or a small cell eNB.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: February 4, 2025
    Assignee: Malikie Innovations Limited
    Inventors: Hua Xu, Shiwei Gao, Yajun Zhu, Zhijun Cai, Chandra Sekhar Bontu, Yi Song
  • Patent number: 12200636
    Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: January 14, 2025
    Assignee: BlackBerry Limited
    Inventors: Zhijun Cai, Sean McBeath, Youn Hyoung Heo, Andrew Mark Earnshaw, Mo-Han Fong
  • Patent number: 12148449
    Abstract: The present disclosure relates to a layout adjustment method and apparatus, a device, a storage medium, and a program product. The method includes: displaying a multimedia editing interface, where the multimedia editing interface includes a canvas, a material attribute panel, a material display area and a track editing area, and the canvas is configured to display a multimedia image corresponding to multimedia data; and adjusting, in response to receiving an adjustment operation on the canvas, size information and/or position information of the canvas based on the adjustment operation. In the multimedia editing interface of embodiments of the present disclosure, a user can adaptively adjust the size and position of the canvas, and display other areas in a transparent manner, such that the user can view the multimedia image displayed on the entire canvas at any time.
    Type: Grant
    Filed: December 19, 2023
    Date of Patent: November 19, 2024
    Assignee: Beijing Zitiao Network Technology Co., Ltd.
    Inventors: Yu Zhang, Zhijun Cai, Yifei Chen, Yijing Lin, Jianing Xu, Zheng Zhen
  • Patent number: 12137454
    Abstract: A method for processing a control channel at a user agent (UA) to identify power control commands within a wireless communication system, the method comprising the steps of, at a user agent, monitoring for power control messages on a single carrier, decoding a message received on the single carrier to generate decoded information and using the decoded information to identify a power control command for each of at least first and second carriers.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 5, 2024
    Assignee: BlackBerry Limited
    Inventors: Sean Michael McBeath, Mo-Han Fong, Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw
  • Patent number: 12114277
    Abstract: A radio access network sends, to a mobile device, information indicating a cell on a first carrier of a first type and a cell on a second carrier of a second type, and sends, to the mobile device, configuration information regarding whether the mobile device is to connect with a cell on another carrier of a new carrier type. The radio access network sends, to the mobile device, information relating to a Discontinuous Reception (DRX) configuration that is specific to a type of carrier.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 8, 2024
    Assignee: Malikie Innovations Limited
    Inventors: Takashi Suzuki, Zhijun Cai, Rene Waraputra Purnadi
  • Patent number: 12096166
    Abstract: A method at a sensor apparatus, the method including calculating a value for a target function based on at least one sensor of the sensor apparatus; determining that the value of the target function is within a defined threshold range for a defined time period, thereby finding an in-flight state for the sensor apparatus; and turning off transmission from a radio of the sensor apparatus based on the in-flight state.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: September 17, 2024
    Assignee: BlackBerry Limited
    Inventors: Zhijun Cai, Shouxing Qu, Yu Gao, Gaƫlle Christine Martin-Cocher, Jesse William Bennett
  • Publication number: 20240306157
    Abstract: A method for informing a relay node when to receive data. The method includes the relay node being informed of a fixed point in a subframe of data when an access node will begin transmitting relevant data over a physical downlink shared channel. The method further includes the relay node beginning to receive data at approximately the fixed point.
    Type: Application
    Filed: May 7, 2024
    Publication date: September 12, 2024
    Inventors: Yi Yu, Zhijun Cai, James Earl Womack
  • Patent number: 12022473
    Abstract: A method for informing a relay node when to receive data. The method includes the relay node being informed of a fixed point in a subframe of data when an access node will begin transmitting relevant data over a physical downlink shared channel. The method further includes the relay node beginning to receive data at approximately the fixed point.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: June 25, 2024
    Assignee: Malikie Innovations Limited
    Inventors: Yi Yu, Zhijun Cai, James Earl Womack
  • Patent number: 12008903
    Abstract: A collision warning method in relation to vulnerable road users (VRUs), applied in a host vehicle when being driven, obtains a relative lateral distance between a vehicle and a VRU and obtains speed of movement of the VRU in addition to speed and direction of the host vehicle. A warning scenario is determined according to the relative lateral distance and the VRU speed. A warning distance according to the warning scenario and the relative speed is calculated, a relative distance between the host vehicle and the VRU is obtained, and the issue of a corresponding level of a collision warning is determined according to a comparison between the warning distance and the relative distance.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: June 11, 2024
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Zhijun Cai, Bo Yang, Congchuan Chen, Xiaoping Li, Qigao Feng, Yanfang Zeng
  • Publication number: 20240179641
    Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers.
    Type: Application
    Filed: February 7, 2024
    Publication date: May 30, 2024
    Inventors: Zhijun Cai, Sean McBeath, Youn Hyoung Heo, Andrew Mark Earnshaw, Mo-Han Fong
  • Patent number: 11979214
    Abstract: Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: May 7, 2024
    Assignee: Malikie Innovations Limited
    Inventors: Hua Xu, Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw, Mo-Han Fong, Sean Michael McBeath, Robert Mark Harrison
  • Publication number: 20240107552
    Abstract: A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Applicant: BlackBerry Limited
    Inventors: Hua XU, Yongkang JIA, Zhijun CAI, Youn Hyoung HEO, Andrew Mark EARNSHAW, Mo-Han FONG, Sean Michael McBEATH, Robert Mark HARRISON
  • Patent number: 11937190
    Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: March 19, 2024
    Assignee: BlackBerry Limited
    Inventors: Zhijun Cai, Sean McBeath, Youn Hyoung Heo, Andrew Mark Earnshaw, Mo-Han Fong
  • Patent number: 11916382
    Abstract: A system may determine configuration information associated with a power system for a work site that includes one or more power sources. The system may determine respective operation parameters of the one or more power sources and one or more performance criteria associated with the power system. The system may determine a baseline operation plan for the power system. The system may identify an optimization analysis technique and may process, using the optimization analysis technique, the configuration information associated with the power system, the respective operation parameters of the one or more power sources, and the one or more performance criteria associated with the power system to generate the optimized operation plan for the power system. The system may cause, based on the baseline operation plan for the power system and the optimized operation plan for the power system, one or more actions to be performed.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: February 27, 2024
    Assignee: Caterpillar Inc.
    Inventors: Yanchai Zhang, Syed Ameenuddin Hussain, Baoyang Deng, Zhijun Cai, Shiferaw D. Beyene, Casey Alan Otten, Perry Converse, Theodore E. Wiersema, Michael A. Snopko
  • Publication number: 20240056998
    Abstract: Described herein is a system with a first network element and a second network element. The first network element contains a processor configured to synchronize with the second network element; and maintain synchronization with the second network element. The first network element is a small cell eNB and the second network element is one of the following: a macro cell enhanced node-B (eNB); or a small cell eNB.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 15, 2024
    Inventors: Hua Xu, Shiwei Gao, Yajun Zhu, Zhijun Cai, Chandra Sekhar Bontu, Yi Song
  • Patent number: 11877297
    Abstract: A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 16, 2024
    Assignee: BlackBerry Limited
    Inventors: Zhijun Cai, Sean Michael McBeath, Hua Xu, Yongkang Jia, Youn Hyoung Heo, Andrew Mark Earnshaw, Mo-Han Fong, Robert Mark Harrison
  • Patent number: 11838919
    Abstract: A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource allocated by a resource grant within a multi-carrier communication system wherein resource grants are specified by control channel element (CCE) subset candidates wherein the carriers used for data transmission and reception are configured carriers, the method comprising the steps of receiving activation signals specifying active and deactivated carriers from among the configured carriers, for active carriers (i) identifying a number of CCE subset candidates to decode and (ii) decoding up to the identified number of CCE subset candidates in an attempt to identify the resource grant; and for deactivated carriers, ignoring CCE subset candidates associated with the deactivated carriers.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: December 5, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Sean Michael McBeath, Andrew Mark Earnshaw, Mo-Han Fong, Youn Hyoung Heo, Zhijun Cai
  • Patent number: 11832201
    Abstract: Described herein is a system with a first network element and a second network element. The first network element contains a processor configured to synchronize with the second network element; and maintain synchronization with the second network element. The first network element is a small cell eNB and the second network element is one of the following: a macro cell enhanced node-B (eNB); or a small cell eNB.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: November 28, 2023
    Assignee: MALIKIE INNOVATIONS LIMITED
    Inventors: Hua Xu, Shiwei Gao, Yajun Zhu, Zhijun Cai, Chandra Sekhar Bontu, Yi Song
  • Patent number: 11832179
    Abstract: A system and method are disclosed for providing uplink timing synchronization during DRX operation in a wireless communication system.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: November 28, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: James Earl Womack, Yi Yu, Zhijun Cai
  • Patent number: RE50093
    Abstract: Systems, methods, and software can be used to process a control channel at a user agent (UA) within a wireless communication system. In some aspects, the method includes identifying one carrier as an anchor carrier and at least one other another carrier as a non-anchor carrier; for each carrier: determining a location of a UA specific search space including one or more control channel candidates for the carrier based on a linear congruential random number; and attempting to decode each of the control channel candidates in the UA specific search space to identify at least one of an uplink or a downlink grant associated with the carrier and receiving information indicating a first number of control channel candidates for a first aggregation level for the anchor carrier and a second number of control channel candidates for the first aggregation level for the non-anchor carrier, wherein the first number of control channel candidates is different from the second number of control channel candidates.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: August 20, 2024
    Assignee: BlackBerry Limited
    Inventors: Sean Michael McBeath, Mo-Han Fong, Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw