Patents by Inventor Zhi Zhang

Zhi Zhang 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: 11831926
    Abstract: A method for deblocking at least one boundary of a coding unit. The method includes determining that the coding unit uses a sub-block transform, wherein the sub-block transform generates a transform sub-block boundary within the coding unit, thereby forming at least a transform sub-block within the coding unit; as a result of determining that the coding unit uses the sub-block transform, determining a maximum filter length based on a dimension of the transform sub-block within the coding unit, wherein the maximum filter length indicates a maximum number of samples to modify when deblocking a boundary of the coding unit; and deblocking the boundary of the coding unit based on the determined maximum filter length.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 28, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kenneth Andersson, Jack Enhorn, Zhi Zhang
  • Patent number: 11832131
    Abstract: The application provides a bandwidth allocation method and device. The method includes that: Discontinuous Reception (DRX) indication information is determined, the DRX indication information being used for a terminal device to determine a working bandwidth to be used within a DRX cycle and/or a frequency point of the working bandwidth; and the DRX indication information is transmitted to the terminal device. According to the bandwidth allocation method of the embodiments of the application, unnecessary power consumption of the terminal device may be avoided.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: November 28, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • Patent number: 11832272
    Abstract: Described are a method and device for determining resources and a storage medium. The method includes: transmitting, by a network device, a first message to a user equipment (UE) over a first cell, wherein the first message is used for the UE to determine a first bandwidth part (BWP) in a second cell; transmitting, by the network device, a third message over the first or second cell, wherein the third message indicates the one or more transmission resources for the UE within the first BWPs of the second cell; transmitting, by the network device, a second message to the UE over the first or second cell, wherein the second message indicates the first BWP among N second BWPs.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: November 28, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jia Shen, Zhi Zhang
  • Patent number: 11825625
    Abstract: A power supply system includes a housing having a top cover with a cutout portion formed near a rear end thereof. The cutout portion is configured to mechanically receive, one at a time, either a first bracket or a second bracket to be coupled to the top cover. The first bracket is configured to accommodate a first power supply component. The second bracket is configured to accommodate a second power supply component of a different type than the first power supply component. Each of the first bracket and the second bracket has a length and/or a width greater than a length and a width, respectively, of the cutout portion. Each of the first power supply component and the second power supply component is either a conventional power supply unit, or a busbar adapter sled configured to electrically connect with a busbar cable that supplies power from a remote power source.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: November 21, 2023
    Assignee: QUANTA COMPUTER INC.
    Inventors: Yaw-Tzorng Tsorng, Tung-Hsien Wu, Chin-Ho Kuo, Ren-Zhi Zhang
  • Publication number: 20230370078
    Abstract: Provided is an ADC circuit based signal digitalization method, including: inputting the analog signal to the ADC circuit, and after being converted by the ADC circuit for the first time, outputting a first ADC output value Mi; adjusting the least significant bit of the ADC circuit based on the value of the higher bits of the output value Mi, turning down the least significant bit of the ADC circuit, when all the values of the higher bits of the output value Mi are 0; inputting the analog signal to the ADC circuit again, and then outputting the ADC output value Mi+1 for the i+1 time; outputting the final signal conversion result and the adjusted least significant bit based on all the ADC output values. The present invention could improve the ADC precision of small signals without increasing the ADC circuit size.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 16, 2023
    Inventors: Zhi ZHANG, Xiao HAN, Rongzhao TANG
  • Publication number: 20230362391
    Abstract: A video decoder may be configured to determine a motion vector and a motion vector precision for a current block; identify a current block template within the current picture; search within a search area for a final reference block template that corresponds to the current block template, wherein to search within the search area, the one or more processors are further configured to: identify an initial reference block template based on the motion vector, search other reference block templates around the initial reference block template using a step size that is set to an initial step size, and iteratively reduce the step size from the initial step size until the step size is set to a final step size that equals the motion vector precision; determine a prediction block for the current block based on the final reference block template.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Inventors: Chun-Chi Chen, Han Huang, Zhi Zhang, Vadim Seregin, Marta Karczewicz
  • Publication number: 20230362382
    Abstract: A method for encoding or decoding an image. The method includes obtaining a coding tree block (CTB) having a vertical size (CtbSizeY) and a horizontal size (CtbSizex), the CTB comprising set of sample values associated with the image, the set of sample values comprising a current sample value having a location (x,y) within the CTB, where x is a horizontal value and y is a vertical value. The method also includes selecting a filter strength value for the current sample based on y and filtering the current sample using the selected filter strength value. Selecting a filter strength value for the current sample based on y comprises: i) determining whether the following first condition is true: (y==(CtbSizeY?5) OR y==(CtbSizeY?4)) AND var==1, where var is a variable that is set equal to 1 as a result of a determination that a second condition is satisfied; and ii) choosing a filter strength value of 10 as a result of determining that the first condition is true.
    Type: Application
    Filed: May 4, 2023
    Publication date: November 9, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Jacob STRĂ–M, Zhi ZHANG, Jack ENHORN
  • Patent number: 11804995
    Abstract: A data sending method and a terminal device are provided. The data sending method is applied to a terminal device and includes sending placeholder data in a guard period of a slot, an idle duration of the guard period being less than or equal to a target sensing duration. The placeholder data is sent in the guard period of the slot, such that a duration of the guard period may be reduced and a possibility of a transmission resource being preempted by other terminal devices may be reduced, or even avoid the transmission resource being preempted by the other terminal devices.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: October 31, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhenshan Zhao, Zuomin Wu, Zhi Zhang
  • Publication number: 20230345415
    Abstract: Embodiments of this application provide a wireless communication method and a device, to improve flexibility in an aspect of paging or an aspect of broadcast message transmission. The method includes: determining, by a network device, a scheme of performing paging or broadcast message transmission to a terminal device, where the determined scheme is one of a first scheme and a second scheme, where in the first scheme, a first parameter set is used for performing paging or broadcast message transmission at a specific frequency point, and in the second scheme, a second parameter set is used for performing paging or broadcast message transmission at a specific frequency point; and performing, by the network device, paging or broadcast message transmission to the terminal device at the specific frequency point according to the determined scheme.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 26, 2023
    Inventors: Zhihua Shi, Zhi Zhang
  • Patent number: 11791923
    Abstract: Disclosed are a method for transmitting a signal, a terminal device and a network device. The method comprises: determining a time sequence of each synchronization signal block from among a plurality of synchronization signal blocks in a first period; and respectively receiving the plurality of synchronization signal blocks according to the time sequence of each synchronization signal block in the first period. By means of the method, the terminal device and the network device in the embodiments of the present application, the computational complexity of a terminal device can be reduced, the detection time can be reduced, and the power consumption can be saved on.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: October 17, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Hai Tang
  • Publication number: 20230328257
    Abstract: A device for decoding video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to: determine that a boundary block of a picture of the video data is bi-directional inter-predicted using a first motion vector and a second motion vector, the boundary block having an edge that touches an edge of the picture; decode the picture, including decoding the boundary block; form a first intermediate padding block using the first motion vector; form a second intermediate padding block using the second motion vector; form a padding block using the first intermediate padding block and the second intermediate padding block; and assign padding values of the padding block to a padding region of the picture neighboring the boundary block on an opposite side of the edge of the picture.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 12, 2023
    Inventors: Zhi Zhang, Han Huang, Yao-Jen Chang, Chun-Chi Chen, Yan Zhang, Vadim Seregin, Marta Karczewicz
  • Publication number: 20230319792
    Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.
    Type: Application
    Filed: April 21, 2023
    Publication date: October 5, 2023
    Inventors: Zhi Zhang, Ming Xu, Masayuki Hoshino, Daichi Imamura, Akihiko Nishio
  • Publication number: 20230319318
    Abstract: An asymmetric deblocking method for deblocking a boundary between a P block and a Q block such that 5 samples within the P block and 7 or 3 samples within the Q block are modified. The method includes determining a value refP based on at least p5, determining a value refQ based on at least qx, wherein qx is q3 or q7; determining a value refMiddle based on at least p0 and q0, wherein p0 is directly adjacent to the boundary and q0 is directly adjacent to the boundary; performing a linear interpolation between refP and refMiddle; and performing a linear interpolation between refQ and refMiddle.
    Type: Application
    Filed: April 10, 2023
    Publication date: October 5, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Jack ENHORN, Zhi ZHANG
  • Patent number: 11778500
    Abstract: Provided by the embodiments of the present application are a signal reporting method, a terminal device, and a network device, which may improve system performance, the method comprising: a terminal device measuring N first signals to obtain a corresponding measurement result and measuring M second signals to obtain a corresponding measurement result, wherein N?1 and M?1; the terminal device determining a signal that needs to be reported according to the measurement result of the N first signals and the measurement result of the M second signals.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: October 3, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Wenhong Chen, Zhi Zhang
  • Patent number: 11778618
    Abstract: Provided is a wireless communication method and device. Frequency-domain resource allocation and/or bandwidth part configuration is flexibly performed on a terminal device in conjunction with a synchronous signal block, and the performance of a communication system can be raised. The method comprises: a network device receiving a first message sent by a terminal device, the first message being used for indicating a first synchronous signal block detected by the terminal device; and according to the first synchronous signal block, the network device performing frequency-domain resource allocation and/or bandwidth part configuration on the terminal device.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: October 3, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • Patent number: 11770808
    Abstract: Provided are a resource indicating method, an apparatus, an access network device, a terminal and a system, which relate to the field of communications. The method includes: an access network device sends configuration information to a terminal, where the configuration information includes time domain resource grouping information for indicating a time domain distribution of at least one group of time domain resource units: and the access network device sends resource indication information to the terminal, and the terminal determines a time domain resource unit used by the terminal according to the resource indication information and the time domain resource grouping information. Resources that are discontinuous in the time domain can be flexibly indicated, thereby achieving the effect of indicating resources that are discontinuous in the time domain.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: September 26, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Hai Tang
  • Patent number: 11770780
    Abstract: A method for wireless communication, a terminal device and a network device are provided. The method for wireless communication includes: a terminal device receives a Synchronization Signal Block (SSB), here, the SSB comprises Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS), and Physical Broadcasting Channel (PBCH); here, the SSB comprises four consecutive symbols in time domain, which are symbol S0, symbol S1, symbol S2 and symbol S3 in sequence; and the PSS is transmitted on the symbol S0, the SSS is transmitted on the symbol S2, and the PBCH is transmitted on the symbol S1, the symbol S2 and the symbol S3.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: September 26, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • Patent number: 11764852
    Abstract: Disclosed are a beam selection method, apparatus and system. The method comprises: a receiving device receives at least one set of beam associating information from a sending device, each set of which including an association relation between a first beam and at least one second beam; and selects, according to the information, a beam to be received among beams from the sending device, i.e., the receiving device may quickly select, according to the association relation between the first beam and the second beam, a beam to be received among beams from the sending device, so that the number of steps or measurements performed for the signal quality of beams during data receiving are reduced, thereby reducing the time spent on beam measurements, accelerating the process of beam measurement and selection of the receiving device, simplifying data receiving, and lowering the latency.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: September 19, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Hai Tang
  • Patent number: 11758575
    Abstract: Disclosed in the embodiments of the present disclosure are a wireless communication method, a terminal device and a network device. The method includes a terminal device that determines a first frequency domain resource within a pre-configured resource block (RB) range; and performs interference measurement or received energy measurement over the first frequency domain resource.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: September 12, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Wenhong Chen, Zhi Zhang
  • Patent number: 11758544
    Abstract: The embodiments of the present disclosure disclose a control signaling transmission method, a base station and a terminal, the method includes: sending, by a base station, a first downlink control signaling to a terminal, and indicating, through the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to a reception of the first downlink control signaling; and receiving the acknowledgement message fed back by the terminal if the base station indicates that the terminal needs to feed back the acknowledgement message corresponding to the reception of the first downlink control signaling. The embodiments of the present disclosure can ensure that the base station knows the reception of important control signaling in time, facilitate the configuration and transmission of subsequent control signaling, and improve the reliability of a 5G NR system.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: September 12, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang