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公开(公告)号：US10965399B2
公开(公告)日：2021-03-30
申请号：US16423178
申请日：2019-05-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Vladimir Gritsenko , Aleksei Eduardovich Maevskii , Hejia Luo , Rong Li , Jun Wang
Abstract: Method and apparatus for transmission and reception with polar codes are provided to support up to 16 permutations or transformation mappings. For example, 16 versions of copies able to be soft-combined for PBCH or any other data channel or control channel are suggested if the mother code length is 256 or 512 or 1024. With the new design, up to 16 different versions can be used to soft combined to improve the performance. Some sequences are provided as examples to support 16 different permutation patterns. The inverse of these sequences also have the feature to support 16 different permutation patterns.
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公开(公告)号：US10574266B2
公开(公告)日：2020-02-25
申请号：US16398282
申请日：2019-04-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Huazi Zhang , Rong Li , Yue Zhou , Hejia Luo , Gongzheng Zhang , Yunfei Qiao
Abstract: Embodiments of this application provide a method for transmitting encoded information. A communication device obtains K bits of information, and generates a to-be-encoded sequence u1N, wherein N is a length of the sequence. The device encodes the sequence u1N in an encoding process, to obtain an output sequence, and transmits the output sequence. In the sequence u1N, each of the N bits corresponds to a subchannel, and each subchannel has a reliability. The K information bits, a quantity J of first-type auxiliary bits, and a quantity J′ of second-type auxiliary bits are placed in K′=K+J+J′ bit positions of the sequence u1N according to reliabilities of the subchannels. Since the positions of the information bits and the auxiliary bits are pre-determined and not affected by subsequent encoding and rate-matching, overheads of real-time reliability calculation are effectively reduced, time is saved, and delay is reduced.
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公开(公告)号：US20190260503A1
公开(公告)日：2019-08-22
申请号：US16398282
申请日：2019-04-30
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Huazi Zhang , Rong Li , Yue Zhou , Hejia Luo , Gongzheng Zhang , Yunfei Qiao
IPC: H04L1/00
Abstract: Embodiments of this application provide a method for transmitting encoded information. A communication device obtains K bits of information, and generates a to-be-encoded sequence u1N, wherein N is a length of the sequence. The device encodes the sequence u1N in an encoding process, to obtain an output sequence, and transmits the output sequence. In the sequence u1N, each of the N bits corresponds to a subchannel, and each subchannel has a reliability. The K information bits, a quantity J of first-type auxiliary bits, and a quantity J′ of second-type auxiliary bits are placed in K′=K+J+J′ bit positions of the sequence u1N according to reliabilities of the subchannels. Since the positions of the information bits and the auxiliary bits are pre-determined and not affected by subsequent encoding and rate-matching, overheads of real-time reliability calculation are effectively reduced, time is saved, and delay is reduced.
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公开(公告)号：US10341044B2
公开(公告)日：2019-07-02
申请号：US16223121
申请日：2018-12-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Gongzheng Zhang , Hejia Luo , Rong Li , Ying Chen , Yunfei Qiao
IPC: H04L1/00
Abstract: Embodiments of the application provide a method for encoding data in a wireless communication network. A communication device obtains K data bits and a target code length M. The device determines a mother code length N1. The device encodes the K data bits to obtain an encoded bit sequence of code langth N1. The mother code length N1 is determined according to a minimum value of values Na, Nmax and N. The values Na, Nmax and N satisfy the following conditions: (1) the value Na satisfies with: a rate R1 is less than or equal to a preset rate, wherein the rate R1 is determined according to the value K and the value Na; (2) the value Nmax is a preset maximum mother code length, and Nmax is an integer power of 2; and (3) the value N satisfies with M≤N*(1+δ), and δ is a preset constant.
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公开(公告)号：US20190123853A1
公开(公告)日：2019-04-25
申请号：US16223121
申请日：2018-12-18
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Gongzheng Zhang , Hejia Luo , Rong Li , Ying Chen , Yunfei Qiao
IPC: H04L1/00
CPC classification number: H04L1/0013 , H03M13/13 , H03M13/6356 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0068
Abstract: Embodiments of the application provide a method for encoding data in a wireless communication network. A communication device obtains K data bits and a target code length M. The device determines a mother code length N1. The device encodes the K data bits to obtain an encoded bit sequence of code langth N1. The mother code length N1 is determined according to a minimum value of values Na, Nmax and N. The values Na, Nmax and N satisfy the following conditions: (1) the value Na satisfies with: a rate R1 is less than or equal to a preset rate, wherein the rate R1 is determined according to the value K and the value Na; (2) the value Nmax is a preset maximum mother code length, and Nmax is an integer power of 2; and (3) the value N satisfies with M≤N*(1+δ), and δ is a preset constant.
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Patent Agency Ranking
公开(公告)号：US20170034848A1
公开(公告)日：2017-02-02
申请号：US15295653
申请日：2016-10-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoyan Bi , Dageng Chen , Hejia Luo
CPC classification number: H04W72/1289 , H04B7/0417 , H04B7/0486 , H04B7/0632 , H04B7/0697 , H04W24/10 , H04W40/02 , H04W72/02
Abstract: Embodiments provide a spatial flow determining method, a base station, and user equipment. The method includes sending, by a base station, a feedback mode indication to user equipment, where the feedback mode indication is used to instruct the user equipment to feed back, based on a packet granularity, channel state report (CSR) information, and each packet granularity includes at least one spatial flow. The method also includes receiving, by the base station, CSR information of each packet granularity that is sent by the user equipment; and determining, by the base station according to the CSR information of each packet granularity, a spatial flow used to transmit data to the user equipment.
Abstract translation: 实施例提供了空间流确定方法，基站和用户设备。 该方法包括：由基站向用户设备发送反馈模式指示，其中反馈模式指示用于指示用户设备反馈，基于分组粒度，信道状态报告（CSR）信息和每个 分组粒度包括至少一个空间流。 该方法还包括由基站接收由用户设备发送的每个分组粒度的CSR信息; 以及由基站根据每个分组粒度的CSR信息确定用于向用户设备发送数据的空间流。
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公开(公告)号：US12278702B2
公开(公告)日：2025-04-15
申请号：US18485303
申请日：2023-10-11
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 Andreevich Polianskii , Mikhail Sergeevich 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：US12218816B2
公开(公告)日：2025-02-04
申请号：US17886739
申请日：2022-08-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu Wang , Hejia Luo , Ying Chen , Rong Li , Bin Wang
IPC: H04W4/00 , H04L43/0864
Abstract: Embodiments of this application provide a timing advance determining method and a communication apparatus, to improve precision of calculating a timing advance (TA) by a terminal, and reduce inter-symbol interference (ISI). The method includes: A first network device determines a first parameter based on a first delay compensation value, where the first delay compensation value is a delay compensation made by the first network device for receiving a signal sent by a terminal, the first parameter indicates a difference between a round-trip delay of a feeder link in a non-terrestrial network NTN and the first delay compensation value, and the difference is used to determine a TA used by the terminal for signal sending; and the first network device sends the first parameter.
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公开(公告)号：US12213012B2
公开(公告)日：2025-01-28
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：US12149396B2
公开(公告)日：2024-11-19
申请号：US17738863
申请日：2022-05-06
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianwei Zhou , Chenlei Xu , Hejia Luo , Xiaolu Wang
IPC: H04L27/26 , H04W56/00 , H04W74/0833
Abstract: A terminal apparatus is provided. The terminal apparatus obtains synchronization signal and physical broadcast channel (PBCH) blocks (SSBs) in a plurality of beams; then determines a target beam in the plurality of beams based on an association relationship between an SSB index and a first random access preamble, where the first random access preamble is determined based on a cyclic shift and/or an order of symbols; and finally sends the random access preamble by using the target beam to initiate a random access request. A communication device receives the first random access preamble in the random access request sent by the terminal apparatus, and then, determines, based on the association relationship, the target beam accessed by the terminal apparatus. The first random access preamble is determined based on the cyclic shift and/or the order of symbols.
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