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公开(公告)号：US20220264417A1
公开(公告)日：2022-08-18
申请号：US17738810
申请日：2022-05-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jianwei ZHOU , Hejia LUO , Chenlei XU , Xiaolu WANG , Jun WANG
Abstract: The present disclosure relates to network switching methods and apparatuses. in one example method, a beam that currently provides a service for a terminal device is a first beam. The first beam is generated by a first network device. The first network device obtains user information of the terminal device, and obtains switching information based on the user information. After the first network device sends the switching information to the terminal device, the terminal device can perform beam switching based on the switching information.
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公开(公告)号：US20220264325A1
公开(公告)日：2022-08-18
申请号：US17736447
申请日：2022-05-04
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yu WANG , Hejia LUO , Xiaolu WANG
Abstract: The present disclosure relates to communication methods and apparatuses. In one example method, a terminal device receives first information from an access device, and determines a first bandwidth part (BWP) of an access beam of the terminal device based on the received first information and a second BWP configured for the access beam of the terminal device. Then, the terminal device communicates with the access device in the determined first BWP by using the access beam. The first information indicates a relationship between the first BWP and the second BWP. The second BWP is a dedicated BWP configured for the access beam of the terminal device.
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公开(公告)号：US20220263606A1
公开(公告)日：2022-08-18
申请号：US17738632
申请日：2022-05-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ying CHEN , Hejia LUO , Yunfei QIAO , Rong LI , Jun WANG
Abstract: Example non-terrestrial network (NTN)-based data transmission methods and apparatus are described. In one example method, a first hybrid automatic repeat request (HARQ) process for data transmission does not use a HARQ transmission manner, and an unused bit in DCI may be multiplexed. The DCI includes a first part of bits indicating a process number of the first HARQ process. Another part of bits of the DCI may indicate the process number or another parameter. The terminal device perform data processing by using the DCI and output processed data, that is, perform data transmission.
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公开(公告)号：US20220225259A1
公开(公告)日：2022-07-14
申请号：US17708896
申请日：2022-03-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu WANG , Hejia LUO , Rong LI , Bin WANG , Jun WANG
Abstract: The present disclosure relates to timing advance indication methods, communication apparatuses, and storage medium. In one example method, a first device determines a quantity of extended bits and a location of the extended bit of a timing advance (TA) instruction based on a subcarrier spacing of a second device. The first device sends the TA instruction to the second device, where the TA instruction includes the extended bit, and a quantity of bits of the TA instruction is greater than 12.
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公开(公告)号：US20220217029A1
公开(公告)日：2022-07-07
申请号：US17704444
申请日：2022-03-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu WANG , Rong LI , Hejia LUO , Bin WANG , Jun WANG
Abstract: Example communication methods and apparatus are described. One example method includes generating a first signal and sending a first signal, where the first signal includes an orthogonal frequency division multiplexing (OFDM) symbol, a first-type cyclic prefix (CP), and a second-type CP. CP resources of the first-type CP include two types of CP resources: a first CP resource and a second CP resource. CP resources of the second-type CP include one type of CP resource, that is, the second CP resource. The first CP resource may be used to carry data that is different from data carried on the OFDM symbol. The second CP resource may be used to carry data that is the same as the data carried on the OFDM symbol.
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Patent Agency Ranking
公开(公告)号：US20210234631A1
公开(公告)日：2021-07-29
申请号：US17174794
申请日：2021-02-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Gongzheng ZHANG , Hejia LUO , Rong LI , Ying CHEN , Yunfei QIAO
Abstract: Embodiments of the application provide a method for rate matching in a wireless communication network. A device obtains K information bits and a target code length M of a polar code, determines, according to a minimum value of a set of values, a mother code length N1, polar encodes the K information bits to obtain an encoded sequence of N1 bits, obtains a target sequence of M bits from the N1 bit encoded sequence, and outputs the M-bit target sequence. When the mother code length N1 is larger than the target code length M, (N1-M) bits of the encoded sequence are punctured or shortened from the N1 bit encoded sequence.
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公开(公告)号：US20210021283A1
公开(公告)日：2021-01-21
申请号：US16914775
申请日：2020-06-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yue ZHOU , Rong LI , Hejia LUO , Huazi ZHANG , Ying CHEN
Abstract: Embodiments of this application disclose encoding and decoding methods and apparatus related to the communications. One of the methods includes: obtaining, based on polar code rate matching, a subchannel corresponding to a punctured bit or a shortened bit; determine subchannels corresponding to an information bit and a check frozen bit that are different from the subchannel corresponding to the punctured bit or the shortened bit; determining that a subchannel corresponding to a frozen bit that is different from the subchannels corresponding to the information bit and the check frozen bit and the subchannel corresponding to the punctured bit or the shortened bit; performing, according to the subchannels corresponding to the information bit and the check frozen bit and the subchannel corresponding to the frozen bit, parity check encoding and polar encoding based on the information bit to obtain encoded information; and sending the encoded information.
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公开(公告)号：US20200350932A1
公开(公告)日：2020-11-05
申请号：US16929621
申请日：2020-07-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ying CHEN , Hejia LUO , Gongzheng ZHANG , Rong LI , Jun WANG
Abstract: This application discloses a data transmission method, apparatus, and system. The method includes: generating a to-be-sent bit sequence, where the to-be-sent bit sequence includes one or more bits in a bit sequence having a length of (N−M), where N is a length of a mother code for polar encoding, M is a length of encoded bits obtained after rate matching is performed on a bit sequence having a length of N, N is m raised to the power of an integer, m is a positive integer greater than 1, M is a positive integer, and N
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公开(公告)号：US20200321984A1
公开(公告)日：2020-10-08
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：US20200008096A1
公开(公告)日：2020-01-02
申请号：US16566500
申请日：2019-09-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shengchen DAI , Rong LI , Chaolong ZHANG , Lingchen HUANG , Hejia LUO
Abstract: This application provides a wireless communication method and device. The method includes: scrambling, with each piece of configuration information of a plurality of pieces of configuration information for configuring a terminal device, bits that are included in a cyclic redundancy check (CRC) of downlink control information (DCI) and that correspond to each piece of configuration information, to obtain a scrambled sequence, where at least one bit of bits that correspond to each piece of configuration information does not correspond to another piece of configuration information of the plurality of pieces of configuration information; and sending the DCI and the scrambled sequence to the terminal device.
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