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公开(公告)号：US11889563B2
公开(公告)日：2024-01-30
申请号：US17459544
申请日：2021-08-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chenlei Xu , Jianwei Zhou , Hejia Luo , Jun Wang
CPC classification number: H04W74/0841 , H04J13/0062 , H04L27/2607 , H04L27/2663
Abstract: This application provides a random access method and an apparatus. The method includes: receiving, by a terminal device, a broadcast signal; and sending, by the terminal device, a random access signal, where a preamble sequence in the random access signal includes K first symbols and Q second symbols, the first symbol and the second symbol are different from each other, K and Q are integers greater than or equal to 1, K+Q=NSEQ, and NSEQ is a quantity of symbols included in the preamble sequence.
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公开(公告)号：US11791891B2
公开(公告)日：2023-10-17
申请号：US17684730
申请日：2022-03-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yu Wang , Yunfei Qiao , Hejia Luo , Xian Meng
CPC classification number: H04B7/18513 , H04B7/18558 , H04B15/00
Abstract: Example communication methods and communication apparatus are described. One example method includes sending a first message by a first satellite to a second satellite. The first message includes information about a frequency reuse scheme. The information about the frequency reuse scheme includes basic unit information. The basic unit information includes central point locations and frequency information of at least N−1 beams. Herein, N is a frequency reuse factor of the first satellite. At least N−1 different pieces of frequency information exist in the frequency information that is of the at least N−1 beams and that is included in the basic unit information. In addition, N is a positive integer greater than or equal to 3.
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公开(公告)号：US20230319751A1
公开(公告)日：2023-10-05
申请号：US18301038
申请日：2023-04-14
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ying Chen , Jianwei Zhou , Chenlei Xu , Hejia Luo , Jun Wang
IPC: H04W56/00
CPC classification number: H04W56/0045
Abstract: An uplink signal sending and receiving method includes that a first communication apparatus obtains a first timing advance (TA) change rate, and sends an uplink signal in a plurality of first time periods. There is a first time interval between the plurality of first time periods to compensate for a time synchronization drift. A length of the first time interval and a location of the first time interval between the plurality of first time periods are determined based on the first TA change rate, and the first TA change rate is a TA change rate in a communication process of the first communication apparatus.
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公开(公告)号：US20230308219A1
公开(公告)日：2023-09-28
申请号：US18041780
申请日：2021-02-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ying Chen , Hejia Luo , Yunfei Qiao , Rong Li , Jun Wang
IPC: H04L1/1812
CPC classification number: H04L1/1812
Abstract: Embodiments of this application disclose a data transmission method, apparatus, and system, and relate to the communication field. This can flexibly configure a HARQ process to improve a data transmission throughput. A specific solution is: A network device sends a first transport block and a first identifier to a terminal. The first identifier is used to indicate whether to switch, from non-hybrid automatic repeat request HARQ transmission to HARQ transmission, a HARQ process in which the first transport block is located. The first identifier is occupied when the HARQ process uses the HARQ transmission. The terminal receives the first transport block and the first identifier from the network device. The first identifier is used to indicate whether to switch, from the non-hybrid automatic repeat request HARQ transmission to the HARQ transmission, the HARQ process in which the first transport block is located.
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公开(公告)号：US20230224843A1
公开(公告)日：2023-07-13
申请号：US18182885
申请日：2023-03-13
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu Wang , Hejia Luo , Rong Li , Jun Wang
IPC: H04W56/00
CPC classification number: H04W56/005 , H04W56/0015
Abstract: Embodiments of this application provide a timing offset parameter update method, a device, and a system, and relate to the field of communication technologies, to help reduce signaling overheads generated when a network device updates a value of a timing offset parameter. The method includes: A terminal device obtains first information that includes a first reference value and first indication information, where the first indication information indicates an update rule of a timing offset parameter, and the first reference value is an initial value of the timing offset parameter. The terminal device updates a value of the timing offset parameter based on the first information and a timing offset variation, to obtain an updated value of the timing offset parameter, where an absolute value of the timing offset variation is equal to an absolute value of a difference between any two consecutively updated values of the timing offset parameter.
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Patent Agency Ranking
公开(公告)号：US20220038964A1
公开(公告)日：2022-02-03
申请号：US17504347
申请日：2021-10-18
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Yu Wang , Hejia Luo , Xian Meng , Yunfei Qiao
Abstract: Embodiments of this application disclose cell handover measurement indication methods, a network device, and a terminal, to improve reliability and real-time performance of cell handover. A cell handover measurement indication method includes: A network device calculates a measurement moment of cell handover based on a measurement event and sends a measurement indication. The measurement event is a location relationship between a terminal and the network device, and the measurement indication is used to indicate the terminal to perform cell handover measurement. The measurement indication sent by the network device may be used to notify the measurement moment of cell handover to the terminal.
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公开(公告)号：US11206048B2
公开(公告)日：2021-12-21
申请号：US16855495
申请日：2020-04-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ying Chen , Gongzheng Zhang , Yunfei Qiao , Rong Li , Huazi Zhang , Hejia Luo
Abstract: This application provides a polar encoding and decoding method, a sending device, and a receiving device, to help overcome disadvantages in transmission of medium and small packets, a code rate, reliability, and complexity in the prior art. The method includes: pre-storing, by a computing device, at least one mother code sequence, wherein each mother code sequence comprises at least one subsequence and at least one subset, the at least one subsequence and the at least one subset each comprises one or more sequence numbers corresponding to one or more polarized channels, and wherein the one or more sequence numbers in each subsequence are arranged in an ascending order according to reliability of the corresponding one or more polarized channels; determining, by the computing device, a set of information bit sequence numbers from the at least one mother code sequence based on a code length of a target polar code; and performing, by the computing device, polar encoding on information bits based on the set of information bit sequence numbers.
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公开(公告)号：US20210392703A1
公开(公告)日：2021-12-16
申请号：US17459544
申请日：2021-08-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chenlei Xu , Jianwei Zhou , Hejia Luo , Jun Wang
Abstract: This application provides a random access method and an apparatus. The method includes: receiving, by a terminal device, a broadcast signal; and sending, by the terminal device, a random access signal, where a preamble sequence in the random access signal includes K first symbols and Q second symbols, the first symbol and the second symbol are different from each other, K and Q are integers greater than or equal to 1, K+Q=NSEQ, and NSEQ is a quantity of symbols included in the preamble sequence.
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公开(公告)号：US11165535B2
公开(公告)日：2021-11-02
申请号：US16838945
申请日：2020-04-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jun Wang , Gongzheng Zhang , Huazi Zhang , Chen Xu , Lingchen Huang , Shengchen Dai , Hejia Luo , Yunfei Qiao , Rong Li , Jian Wang , Ying Chen , Nikita Polianskii , Mikhail Kamenev , Zukang Shen , Yourui HuangFu , Yinggang Du
Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax, polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K≤N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.
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公开(公告)号：US11050510B2
公开(公告)日：2021-06-29
申请号：US16423172
申请日：2019-05-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hejia Luo , Gongzheng Zhang , Rong Li , Huazi Zhang , Yourui Huangfu , Jian Wang , Ying Chen , Jun Wang
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.
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