Patents by Inventor An-Rong Li

An-Rong 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).

  • Coding scheme indication method and device
    Patent number: 11057149
    Abstract: Embodiments of this application provide a coding scheme indication method and device. The method includes: obtaining, by a first device, a coding scheme indication, where the coding scheme indication is used to indicate a coding scheme of first data and/or a coding scheme of second data, the first data is data sent by the first device to a second device, the coding scheme of the first data is a polar coding scheme or a low-density parity-check LDPC coding scheme, the second data is data sent by the second device to the first device, and the coding scheme of the second data is a polar coding scheme or an LDPC coding scheme; and sending, by the first device, the coding scheme indication to the second device.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: July 6, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jian Wang, Yunfei Qiao, Rong Li, Jun Wang
  • Data processing method and apparatus to restore mother code sequences with different code lengths by using an indication sequence and a basic sequence
    Patent number: 11057052
    Abstract: A data processing method is disclosed, and the method includes: receiving, by an encoding end, a to-be-encoded data block; obtaining, by the encoding end, a first mother code element for each first indication element in a first indication sequence based on an association relationship in which S=Q+B*N0 when B>0, and S=Q when B=0; and placing the first mother code element at a location of the first indication element in the first indication sequence to obtain a first mother code sequence.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 6, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Gongzheng Zhang, Rong Li, Jun Wang, Ying Chen, Huazi Zhang
  • Communication method and apparatus
    Patent number: 11057152
    Abstract: Embodiments of this application provides a communication method in a wireless communication network. A communication device obtains an information bit sequence and obtain a first sequence, wherein the first sequence comprises sequence numbers of N channels ordered in ascending order of channel reliability, wherein N is 1024 and wherein a channel whose sequence number is 0, a channel whose sequence number is 1, and a channel whose sequence number is 2 are ordered in ascending order of channel reliability; then polar encode the information bits based on the first sequence to obtain an encoded bit sequence and output the encoded bit sequence.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: July 6, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ying Chen, Gongzheng Zhang, Lingchen Huang, Rong Li, Huazi Zhang, Hejia Luo
  • METHOD AND APPARATUS FOR SENDING MODULATION AND CODING SCHEME (MCS)
    Publication number: 20210203442
    Abstract: This application provides a method for communicating a modulation and coding scheme (MCS). A terminal device obtains a modulation order, a code rate, or a spectral efficiency, determines an index of a reference MCS from a mapping table based on the obtained modulation order, code rate, or spectral efficiency, and reports the index of the reference MCS to a network device. The mapping table includes one or more mapping relationships between an MCS index and a modulation order, a code rate, or a spectral efficiency. The terminal device may process uplink or downlink data based on the determined MCS, thereby improving data transmission reliability.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 1, 2021
    Inventors: Jian WANG, Lingchen HUANG, Yunfei QIAO, Rong LI, Jun WANG, Yinggang DU, Yiqun GE
  • Data transmission method and apparatus
    Patent number: 11050508
    Abstract: This application provides a polar code encoding method and apparatus. The method includes: segmenting, by a sending device, a to-be-encoded sequence according to a preset rule; determining a quantity of parity check frozen bits, locations of the parity check frozen bits, a quantity of information bits, locations of the information bits, a quantity of frozen bits, and locations of the frozen bits in each segment; then placing the information bits and the frozen bits at the corresponding locations; determining values of the parity check frozen bits; then performing polar code encoding on the to-be-encoded sequence; and sending an encoded sequence. According to this method, a process of determining the quantity of parity check frozen bits and the locations of the parity check frozen bits is simplified, thereby effectively improving processing efficiency.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: June 29, 2021
    Assignee: Huawei Technologies Co, , Ltd.
    Inventors: Yue Zhou, Rong Li, Gongzheng Zhang, Yinggang Du, Jun Wang
  • Polar code transmission method and apparatus
    Patent number: 11050510
    Abstract: Embodiments provide a Polar code transmission method and apparatus. A bit sequence is encoded into a code sequence using Polar code by a network device. The bit sequence contains a control signaling and a Cyclic Redundancy Code (CRC) sequence. The code sequence is transformed into M copies such that an ith information copy of the M copies multiples by a first matrix of the power of (i?1). M is an integer and M>0. M copies of codeword was encoded by Polar code, the M copies implicitly conveys different time stamp information, which is suitable for the transmission of PBCH in 5G communication system, signaling overhead is also reduced.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: June 29, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hejia Luo, Gongzheng Zhang, Rong Li, Huazi Zhang, Yourui Huangfu, Jian Wang, Ying Chen, Jun Wang
  • ENCODING METHOD AND DEVICE, AND APPARATUS
    Publication number: 20210194504
    Abstract: The present disclosure relates to encoding method and devices. One example method includes determining N to-be-encoded bits, where the N to-be-encoded bits include information bits and frozen bits, obtaining a first polarization weight vector including polarization weights of N polarized channels, where the N to-be-encoded bits correspond to the N polarized channels, determining positions of the information bits based on the first polarization weight vector, and performing polar encoding on the N to-be-encoded bits to obtain polar-encoded bits.
    Type: Application
    Filed: December 28, 2020
    Publication date: June 24, 2021
    Inventors: Xiaocheng Liu, Ying Chen, Rong Li
  • Channel Prediction Method and Related Device
    Publication number: 20210194733
    Abstract: A channel prediction method and a related device, where the method includes: obtaining a first channel coefficient sequence in a first time period, where the first channel coefficient sequence includes a plurality of complex values of a channel coefficient; and determining a prediction value of the channel coefficient in a second time period based on the first channel coefficient sequence and a preset vocabulary of channel changes, where the preset vocabulary of channel changes includes a mapping relationship between a channel change value index and each change value of the channel coefficient, and where the second time period is later than the first time period.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 24, 2021
    Inventors: Yourui Huangfu, Rong Li, Jian Wang, Shengchen Dai, Jun Wang, Rongdao Yu
  • Polar Code Rate Matching Method And Apparatus
    Publication number: 20210184786
    Abstract: Example Polar code rate matching methods and apparatus are described. One example method includes determining indexes of Z polarized channels on which forced frozen bits are placed, where the Z polarized channels are a subset of N polarized channels corresponding to N to-be-encoded bits, where N=2n, Z<N, and n and Z are positive integers. A first codeword with a length of N is obtained by performing Polar coding on the N to-be-encoded bits. Rate matching is performed on the first codeword to obtain a second codeword with a length of M, where M<N and M is a positive integer. The second codeword with a length of M is sent.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: Jian WANG, Lingchen HUANG, Yunfei QIAO, Rong LI
  • RESOURCE MAPPING METHOD AND APPARATUS
    Publication number: 20210185657
    Abstract: A resource mapping method and apparatus are described that reduce resource mapping complexity. The method includes an access network device obtaining resource mapping information of at least one terminal, and sending the resource mapping information to the at least one terminal respectively. The resource mapping information indicates a resource element RE to which each of the at least one terminal performs mapping in each RMB in a first resource mapping block RMB set. An RE to which a first terminal performs mapping in each RMB in the first RMB set is determined based on a first interleaved sequence, and the first interleaved sequence is determined based on a base sequence. The first terminal is any one of the at least one terminal, and the first RMB set includes at least one RMB.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Inventors: Huazi ZHANG, Rong LI, Xianbin WANG, Shengchen DAI, Yiqun GE, Yan CHEN, Jun WANG, Jianglei MA
  • Polar Code Encoding Method and Apparatus
    Publication number: 20210184696
    Abstract: A polar code encoding method and apparatus, the method including determining a sorted sequence to encode to-be-encoded bits, where the sorted sequence represents reliability sorting of N polar channels, where N is a mother code length of a polar code, where N is a positive integer, where N is a power of two, and where a minimum sequence number of polar channels in the sorted sequence is 1, obtaining encoded bits by the apparatus by performing polar code encoding on the to-be-encoded bits using the sorted sequence, and outputting, by the apparatus, the encoded bits.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Jian Wang, Huazi Zhang, Rong Li
  • Polar Coding Method and Apparatus
    Publication number: 20210184695
    Abstract: Example polar coding methods and apparatus are described. One example method includes determining a sequence used to code to-be-coded bits. Polar coding is performed on the to-be-coded bits by using the sequence to obtain coded bits. The sequence is used to represent a reliability order of N polarized channels, N is a mother code length of a polar code, and N is a positive integer power of 2.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 17, 2021
    Inventors: Yourui HUANGFU, Jian WANG, Rong LI, Yunfei QIAO, Jun WANG
  • POLAR CODING METHOD, APPARATUS, AND DEVICE
    Publication number: 20210176007
    Abstract: Embodiments of this application disclose a polar coding method, apparatus, and device, so as to reduce storage overheads of a system. A sequence for polar coding is obtained based on a length M of a target polar code, wherein the sequence comprises L sequence numbers, ordering of the L sequence numbers in the sequence is the same as ordering of the L sequence numbers in a maximum mother code sequence, wherein the maximum mother code sequence is obtained by sorting N sequence numbers of N polarized channels in ascending order or descending order of reliability metrics, wherein L and N are integer power of 2, M is smaller than or equal to L, L is smaller than or equal to N.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 10, 2021
    Inventors: Rong LI, Gongzheng ZHANG, Ying CHEN, Xiaocheng LIU, Jun WANG
  • Channel encoding method and apparatus in wireless communications
    Patent number: 11025366
    Abstract: This application provides an encoding method and apparatus in wireless communications between a network device and a terminal. The method includes: performing cyclic redundancy check (CRC) encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and A information bits, L=11; and performing polar encoding on the first bit sequence.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: June 1, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lingchen Huang, Shengchen Dai, Chen Xu, Yunfei Qiao, Rong Li
  • Polar coding encoding/decoding method and apparatus
    Patent number: 11025278
    Abstract: The present disclosure relates to polar encoding methods and apparatus. One example method includes obtaining locations of information bits and frozen bits based on a reliability order of polar channels, where reliability of a polar channel corresponding to the information bits is higher than reliability of a polar channel corresponding to the frozen bits, performing cyclic redundancy check (CRC) encoding on an information block, mapping bits obtained after the CRC encoding to the information bits, determining at least one bit of the frozen bits as a check frozen bit, where a value of the check frozen bit is determined based on values of P information bits that are in information bits prior to the check frozen bit and that meet a preset condition, and performing polar encoding on the information bits, the check frozen bit, and a frozen bit other than the check frozen bit.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: June 1, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Gongzheng Zhang, Huazi Zhang, Yunfei Qiao, Rong Li, Jun Wang, Guijie Wang
  • Method, device, and storage medium for displaying a dynamic special effect
    Patent number: 11012740
    Abstract: A video processing method, a video processing device, and a storage medium are provided. The video processing method includes: determining target image frames corresponding to a dynamic special effect in a video and determining an attribute of a special effect element corresponding to the dynamic special effect in each of the target image frames and coordinates of the special effect element. The video processing method also includes: rendering the special effect element on a drawing interface based on the attribute and the coordinates of the special effect element; filling the target image frames into the drawing interface as a background and forming drawing interface frames with the dynamic special effect; and outputting the drawing interface frames corresponding to each of the target image frames.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: May 18, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Qianyi Wang, Yu Gao, Zhibin Wang, En Li, Rong Li
  • Data processing method, apparatus, and system
    Patent number: 11013030
    Abstract: Embodiments of the present application provide a data processing method, a device, and a system. The method includes: determining a pilot group, where the pilot group includes at least two elements; generating a plurality of data frames including a first data frame and a second data frame, where each data frame carries information used to indicate the pilot group determined by user equipment; and sending a plurality of resource blocks to a network device, where a first resource block carries the first pilot and the first data frame, and a second resource block carries the second pilot and the second data frame.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 18, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Gongzheng Zhang, Yunfei Qiao, Rong Li
  • Polar code rate matching method and apparatus
    Patent number: 11005504
    Abstract: The embodiments of the application provides a polar code rate matching method and apparatus. The method includes: obtaining, by a communications device, to-be-encoded information; determining, by the communications device, a to-be-used rate matching manner based on the code rate, a code rate threshold, a target code length, and a target code length threshold, where the rate matching manner is a puncturing manner or a shortening manner; and rate matching, by the communications device based on the determined rate matching manner, a polar code of the to-be-encoded information.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: May 11, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ying Chen, Gongzheng Zhang, Huazi Zhang, Yue Zhou, Yunfei Qiao, Hejia Luo, Rong Li, Jun Wang
  • Channel encoding method and apparatus in wireless communications
    Patent number: 10999009
    Abstract: This application provides an encoding method and apparatus in wireless communications between a network device and a terminal. The method includes: performing CRC encoding on A to-be-encoded information bits based on a CRC polynomial, to obtain a first bit sequence, where the first bit sequence includes L CRC bits and A information bits, L=6; and performing polar encoding on the first bit sequence. Based on an improved CRC polynomial, encoding satisfying an FAR requirement is implemented.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: May 4, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shengchen Dai, Lingchen Huang, Gongzheng Zhang, Yunfei Qiao, Rong Li
  • Method and device for polar code rate matching
    Patent number: 10999005
    Abstract: Embodiments of the application provide a method and device for polar code rate matching in a wireless communication network. A device of the network obtains K information bits. The device generates a to-be-encoded sequence having a length N bits. The to-be-encoded sequence includes the K information bits and L frozen bits. The L frozen bits are placed in L bit positions of the to-be-encoded sequence. The L bit positions are determined according to a rate match manner which is either puncturing or shortening. The device polar encodes the to-be-encoded sequence to obtain the encoded sequence. The device interleaves the encoded sequence to obtain an interleaved sequence and then stores the interleaved sequence into a cyclic cache. The device sequentially outputs M bits of the interleaved sequence from the cyclic cache according to the rate matching manner.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: May 4, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chen Xu, Gongzheng Zhang, Rong Li, Huazi Zhang, Lingchen Huang