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公开(公告)号:US20220386259A1
公开(公告)日:2022-12-01
申请号:US17819441
申请日:2022-08-12
Applicant: Huawei Technologies Co., Ltd.
Inventor: Ying CHEN , Hejia LUO , Xiaolu WANG , Yunfei QIAO , Rong LI , Yinggang DU
Abstract: This application provides a satellite communication method and apparatus. The method includes: A terminal device receives first indication information. The first indication information indicates a validity duration of first parameter information. The first parameter information includes at least one of the following information: a first timing advance, parameter information of the first timing advance, a first frequency offset pre-compensation, or parameter information of the first frequency offset pre-compensation. The terminal device performs uplink communication with a satellite in the validity duration based on the first parameter information. The terminal device can obtain, by receiving the first indication information, a validity duration of parameter information such as the first timing advance, the parameter information of the first timing advance, the first frequency offset pre-compensation, or the parameter information of the first frequency offset pre-compensation.
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公开(公告)号:US20220123766A1
公开(公告)日:2022-04-21
申请号:US17563573
申请日:2021-12-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Gongzheng ZHANG , Ying CHEN , Yunfei QIAO , Yourui HUANGFU , Rong LI
Abstract: Embodiments of this application provide a method for processing information bits in a wireless communication network. A device obtains a Polar encoded bit sequence, then divide the Polar encoded bit sequence into g groups that are of equal length N/g, wherein g is 32. The device block interleaves the g groups to obtain an interleaved bit sequence according to a sequence S, wherein the sequence S comprises: group numbers of the g groups, wherein a group whose number is 0 is the first element in the sequence S, wherein a group whose number is 12 is the 17th element in the sequence S, wherein a group whose number is 31 is the 32nd element in the sequence S, wherein the S is an integer and output the interleaved bit sequence.
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公开(公告)号:US20210288896A1
公开(公告)日:2021-09-16
申请号:US17334230
申请日:2021-05-28
Applicant: Huawei Technologies Co., Ltd.
Inventor: Ying CHEN , Hejia LUO , Chuili KONG , Rong LI
Abstract: This application discloses a method for processing a round trip delay, a related apparatus, and a readable storage medium, and pertains to the field of communications technologies. The method includes: receiving a delay quantization parameter of a common round trip delay RTD, where the delay quantization parameter includes a first quantization parameter, and the first quantization parameter is used to indicate a height-related delay; and obtaining the common RTD based on the delay quantization parameter. The height-related delay is indicated by using the first quantization parameter, so that the common RTD is obtained based on the first quantization parameter.
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公开(公告)号:US20200059253A1
公开(公告)日:2020-02-20
申请号:US16665294
申请日:2019-10-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Ying CHEN , Gongzheng ZHANG , Huazi ZHANG , Yue ZHOU , Yunfei QIAO , Hejia LUO , Rong LI , Jun WANG
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.
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公开(公告)号:US20200059246A1
公开(公告)日:2020-02-20
申请号:US16661931
申请日:2019-10-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Ying CHEN , Xiaocheng LIU , Lingchen HUANG , Yue ZHOU , Rong LI , Hejia LUO , Jun WANG
Abstract: A polar code coding/decoding method, a sending device, and a receiving device are disclosed. The method includes: selecting, by a sending device, K non-punctured-position sequence numbers as a reference sequence number set based on a quantity K of information bits and a reliability-based order of N polarized channels of a polar code whose code length is N, where a reliability of a polarized channel corresponding to any sequence number in the reference sequence number set is greater than or equal to reliabilities of polarized channels corresponding to remaining (N−K) sequence numbers; determining, by the sending device, an information-bit sequence number set based on a determining condition and the reference sequence number set; and performing, by the sending device, polar coding on to-be-coded bits based on the information-bit sequence number set.
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公开(公告)号:US20200021394A1
公开(公告)日:2020-01-16
申请号:US16582746
申请日:2019-09-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Ying CHEN , Gongzheng ZHANG , Lingchen HUANG , Rong LI , Huazi ZHANG , Hejia LUO
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.
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公开(公告)号:US20200007162A1
公开(公告)日:2020-01-02
申请号:US16564774
申请日:2019-09-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Gongzheng ZHANG , Rong LI , Jun WANG , Ying CHEN , Huazi ZHANG
IPC: H03M13/13
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.
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公开(公告)号:US20190334654A1
公开(公告)日:2019-10-31
申请号:US16506765
申请日:2019-07-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Hejia LUO , Yinggang DU , Rong LI , Lingchen HUANG , Ying CHEN
IPC: H04L1/00
Abstract: Embodiments of this application provide a method for coding in a wireless communication network. A communication device interleave a first bit sequence to obtain a first interleaved sequence having sequence number starting with a sequence number of 0, wherein the first bit sequence comprises bits for indicating timing, wherein the bits for indicating timing comprises a set of bits for indicating synchronization signal block index (SSBI); wherein the set of bits for indicating SSBI are placed in positions indicated by sequence numbers of 2, 3 and 5 in the first interleaved sequence. The devices add d first CRC bits on the first interleaved sequence to obtain a second bit sequence, interleave on the second bit sequence according to an interleave pattern to obtain a second interleaved sequence, and polar encode the second interleaved sequence to obtain the encoded sequence.
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