METHOD FOR SELECTING LDPC BASE CODE IN MULTIPLE LDPC CODES AND APPARATUS THEREFOR

    公开(公告)号:US20210167800A1

    公开(公告)日:2021-06-03

    申请号:US16065548

    申请日:2018-01-05

    Abstract: A method of encoding a quasi-cyclic low-density parity-check (QC LDPC) code supporting multiple base codes includes selecting a base code for generating a parity check matrix from among a first base code and a second base code, selecting a lifting value for generating the parity check matrix from among a plurality of lifting values, and generating the parity check matrix using the selected base code and the selected lifting value, wherein the base code is determined based on a code block size and a code rate, and the lifting value is determined based on a parameter of the base code and the code block size.

    V2X COMMUNICATION DEVICE AND METHOD FOR TRANSMITTING AND RECEIVING V2X MESSAGE THEREOF

    公开(公告)号:US20210012661A1

    公开(公告)日:2021-01-14

    申请号:US16959111

    申请日:2017-12-29

    Abstract: Disclosed is a method for transmitting a vehicle-to-everything (V2X) message by a V2X communication device of a vehicle. The method for transmitting a V2X message by a V2X communication device of a vehicle comprises the steps of detecting a lane change of a target vehicle followed by the subject vehicle; setting a CACC mode on the basis of a preset operation determination for a lane change when the lane change of the target vehicle is detected; and transmitting a V2X message including information on the set CACC mode, wherein the CACC mode includes a single-lane CACC mode for providing a single-lane CACC service and a multi-lane CACC mode for providing a multi-lane CACC service.

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