DESIGN METHOD AND APPARATUS FOR QUASI-CYCLIC LOW-DENSITY PARITY-CHECK

    公开(公告)号:US20220069843A1

    公开(公告)日:2022-03-03

    申请号:US17510216

    申请日:2021-10-25

    Abstract: Provided is a design method and apparatus for quasi-cyclic low-density parity-check (LDPC) encoding. The method includes: performing LDPC encoding on a K-bit information sequence to be encoded according to a parity check matrix of a quasi-cyclic LDPC code to obtain an N-bit LDPC encoded sequence, where the parity check matrix is determined according to a basic matrix and a lifting size Z, and the basic matrix is determined according to the lifting size Z and a coefficient matrix, where K is a positive integer, N is an integer greater than K, and Z is a positive integer.

    DATA COMMUNICATION PROCESSING METHOD AND DEVICE

    公开(公告)号:US20210050930A1

    公开(公告)日:2021-02-18

    申请号:US16989761

    申请日:2020-08-10

    Abstract: Provided are a data communication processing method and device. The method includes: acquiring a modulation order and a target code rate; calculating an intermediate number Ninfo of information bits at least according to a total number of resource elements, the modulation order and the target code rate; quantizing the intermediate number Ninfo of the information bits to obtain the quantized intermediate number N′info; determining a transport block size (TBS) according to the quantized intermediate number N′info.

    DATA PROCESSING METHOD BASED ON RADIO ACCESS TECHNOLOGY, AND TRANSMISSION NODE

    公开(公告)号:US20180368129A1

    公开(公告)日:2018-12-20

    申请号:US15780216

    申请日:2016-11-25

    Abstract: Provided are a data processing method based on a radio access technology, and a transmission node. The method includes: selecting, by a first transmission node, a radio access technology (RAT) according to a specific rule, where the specific rule includes selecting the RAT according to at least one of the following: a coverage level, a frequency domain bandwidth, a resource unit type, a transmission mode, a pre-configuration of a first node, and a second transmission node capability; the RAT includes at least one of the following: a multiple access mode, a modulation mode, a sub-carrier spacing, and a maximum number of carriers used for carrying data; and the second transmission node capability is defined according to an RAT supported by a second transmission node; and receiving or sending, by the first transmission node, data on a radio resource unit corresponding to the selected RAT according to the selected RAT.

    Data Packet Processing Method and Apparatus in OFDMA System, and Storage Medium

    公开(公告)号:US20170366299A1

    公开(公告)日:2017-12-21

    申请号:US15541031

    申请日:2015-07-30

    Abstract: Disclosed are a data packet processing method and apparatus in an OFDMA system, and a storage medium. The method includes: performing code block segmentation on a source data packet to obtain d data blocks; respectively adding a CRC sequence to the d data blocks; respectively performing error correction coding; grouping the d data blocks on which the error correction coding is performed to obtain a information data packets; performing packet coding on the a information data packets to obtain b check data packets; performing constellation mapping modulation to obtain a first modulation symbol sequence with a length of k1 corresponding to the a information data packets and a second modulation symbol sequence with a length of k2 corresponding to the b check data packets; mapping the first and the second modulation symbol sequences to Mofdm1 continuous OFDM symbols and Mofdm2 continuous OFDM symbols according to time orders respectively for sending.

    METHOD FOR DETERMINING TRANSPORT BLOCK SIZE
    19.
    发明公开

    公开(公告)号:US20240356696A1

    公开(公告)日:2024-10-24

    申请号:US18651783

    申请日:2024-05-01

    CPC classification number: H04L5/0046 H04W8/24

    Abstract: Method, systems and devices for determining a transport block size (TBS) are disclosed. The method comprises determining the TBS based on a parameter or a signaling associated with an event of determining an intermediate value of a TBS determination procedure, wherein the parameter or a signaling is available for a wireless terminal supporting a release version, wherein the intermediate value is determined based on a plurality of resource parameters, wherein the plurality of resource parameters comprises at least one of the total number of resource elements allocated to the wireless terminal, a rate, a modulation order, and the number of layers.

    DATA TRANSMISSION METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM

    公开(公告)号:US20240223424A1

    公开(公告)日:2024-07-04

    申请号:US18563105

    申请日:2022-05-19

    Inventor: Yu XIN Tong BAO Jin XU

    CPC classification number: H04L27/2605 H04L25/03828 H04L27/26526 H04W76/20

    Abstract: Provided are a data transmission method and apparatus, an electronic device, and a storage medium. The data transmission method includes following steps: a sequence 1 is inserted in front of each first data sequence among L to-be-transmitted first data sequences and a sequence 2 is inserted behind each first data sequence so that L second data sequences are formed, where L is an integer greater than or equal to 2, the sequence 1 includes M sequences 3, the sequence 2 includes N sequences 3, each of M and N is an integer greater than 0, and a sequence 3 satisfies that KT3=Tcp, where T3 denotes the time length of a time domain of the sequence 3, K is an integer greater than 0 and less than or equal to N, and Tcp denotes the time length of a cyclic prefix; and the L second data sequences are transmitted.

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