SATELLITE COMMUNICATION METHOD AND APPARATUS

    公开(公告)号:US20220386259A1

    公开(公告)日:2022-12-01

    申请号:US17819441

    申请日:2022-08-12

    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.

    Method And Device For Interleaving Data

    公开(公告)号:US20220123766A1

    公开(公告)日:2022-04-21

    申请号:US17563573

    申请日:2021-12-28

    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.

    METHOD FOR PROCESSING ROUND TRIP DELAY, RELATED APPARATUS, AND READABLE STORAGE MEDIUM

    公开(公告)号:US20210288896A1

    公开(公告)日:2021-09-16

    申请号:US17334230

    申请日:2021-05-28

    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.

    POLAR CODE RATE MATCHING METHOD AND APPARATUS

    公开(公告)号:US20200059253A1

    公开(公告)日:2020-02-20

    申请号:US16665294

    申请日:2019-10-28

    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.

    CODING METHOD AND APPARATUS, AND DEVICE
    75.
    发明申请

    公开(公告)号:US20200059246A1

    公开(公告)日:2020-02-20

    申请号:US16661931

    申请日:2019-10-23

    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.

    COMMUNICATION METHOD AND APPARATUS
    76.
    发明申请

    公开(公告)号:US20200021394A1

    公开(公告)日:2020-01-16

    申请号:US16582746

    申请日:2019-09-25

    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.

    DATA PROCESSING METHOD AND APPARATUS
    77.
    发明申请

    公开(公告)号:US20200007162A1

    公开(公告)日:2020-01-02

    申请号:US16564774

    申请日:2019-09-09

    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.

    METHOD FOR POLAR CODING AND APPARATUS
    78.
    发明申请

    公开(公告)号:US20190334654A1

    公开(公告)日:2019-10-31

    申请号:US16506765

    申请日:2019-07-09

    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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