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    Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code
    2.
    发明授权
    Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code 有权

    公开(公告)号：US11616514B2

    公开(公告)日：2023-03-28

    申请号：US17353130

    申请日：2021-06-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Se-Ho Myung ,  Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Jin-Hee Jeong

    IPC: H03M13/09 ,  H03M13/11 ,  H03M13/03 ,  H03M13/00

    Abstract: An apparatus is provided for channel encoding in a communication system using an LDPC code. The apparatus includes at least one processor configured to encode input bits using a Bose-Chaudhuri-Hocquenghem (BCH) code, shorten one or more bits of the encoded input bits according to a number of bit groups to be shortened and an order among a plurality of orders according to which the bit groups are shortened, wherein the number of bit groups to be shortened is based on a number of bits to be shortened which is based on a number of the encoded input bits, encode information bits including the encoded input bits and the shortened one or more bits, using an LDPC code to generate parity bits, and puncture one or more bits in the parity bits based on a puncturing parameter among puncturing parameters; and a transmitter configured to transmit a signal that is generated from the encoded information bits based on the punctured one or more bits. The plurality of orders are based on the puncturing parameters and include a first order and a second order that is different from the first order.

    Method and apparatus for transmitting and receiving packet in communication system
    3.
    发明授权
    Method and apparatus for transmitting and receiving packet in communication system 有权

    公开(公告)号：US11509594B2

    公开(公告)日：2022-11-22

    申请号：US16935672

    申请日：2020-07-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sung-Hee Hwang ,  Hyun-Koo Yang

    IPC: H04L47/32 ,  H04N21/2662 ,  H04N21/2343 ,  H04N21/2383 ,  H04L1/00 ,  H04L69/329

    Abstract: The present invention relates to a method for transmitting a packet in a communication system, the method comprising: generating drop information indicating at least one source packet to be dropped among source packets to be transmitted and whether or not to drop each of the other source packets except the at least one source packet; performing forward error correction (FEC) encoding on the drop information and the other source packets except the at least one source packet; generating a repair packet comprising repair data for restoring the drop information and a repair symbol for restoring the other source packets except the at least one source packet; and transmitting the other source packets except the at least one source packet and the repair packet.

    TRANSMITTING APPARATUS, RECEIVING APPARATUS AND CONTROLLING METHOD THEREOF
    4.
    发明申请
    TRANSMITTING APPARATUS, RECEIVING APPARATUS AND CONTROLLING METHOD THEREOF 有权

    公开(公告)号：US20220166716A1

    公开(公告)日：2022-05-26

    申请号：US17670610

    申请日：2022-02-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sung-hee HWANG ,  Hak-ju Lee ,  Hyun-Koo Yang

    IPC: H04L45/74 ,  H04L69/22 ,  H04L1/00 ,  H04L69/10 ,  H04L5/00

    Abstract: Provided are a transmitting apparatus, a receiving apparatus and controlling methods thereof. The transmitting apparatus includes: at least one processor configured to implement a packet generator which generates a packet including a header and a payload based on a plurality of input packets; and a signal processor which signal-processes the generated packet, and a transmitter configured to transmit the signal-processed packet. A base field included in the header includes a first field set to a first value representing that the base field is a first length or a second value representing that the base field is a second length.

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