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    Digital broadcasting signal transmitting method and device, recording medium thereof, and receiving device thereof
    3.
    发明授权
    Digital broadcasting signal transmitting method and device, recording medium thereof, and receiving device thereof 有权
    数字广播信号发送方法及装置，其记录媒体及其接收装置

    公开(公告)号：US09246806B2

    公开(公告)日：2016-01-26

    申请号：US13966766

    申请日：2013-08-14

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jae Hyun Seo ,  Hyoung Soo Lim ,  Heung Mook Kim ,  Yong Tae Lee ,  Sung Ik Park ,  Jong Soo Lim ,  Soo In Lee

    IPC: H04L12/28 ,  H04L12/741 ,  H04H20/30

    CPC classification number: H04L45/74 ,  H04H20/30

    Abstract: In a digital broadcasting signal transmission system, a transmission frame includes a frame body and a frame header, and the frame body is divided into a plurality of sub-bands in the frequency domain and is divided into a plurality of symbols in the time domain. The frame header is provided in the former part of the transmission frame and is transmitted with a signal in the time domain. The frame body includes a plurality of services, and the services respectively receive at least one sub-band and at least one symbol. The frame header includes information on the plurality of services, and information on the plurality of services includes information on the sub-band and the symbol to which the services are allocated, information on channel encoding levels of the services, and information on digital modulation levels of the services.

    Abstract translation: 在数字广播信号传输系统中，传输帧包括帧体和帧头，并且帧体被划分成频域中的多个子带，并且在时域中被划分为多个符号。 帧头在传输帧的前一部分中提供，并且在时域中以信号发送。 帧体包括多个服务，并且服务分别接收至少一个子带和至少一个符号。 帧头包括关于多个服务的信息，并且关于多个服务的信息包括关于子带和分配服务的符号的信息，关于服务的信道编码级别的信息以及关于数字调制级别的信息 的服务。

    Method and apparatus for data transmission in wireless communication system
    4.
    发明授权
    Method and apparatus for data transmission in wireless communication system 有权

    公开(公告)号：US11411672B2

    公开(公告)日：2022-08-09

    申请号：US17009506

    申请日：2020-09-01

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Seok Ki Ahn ,  Sung Ik Park

    IPC: H04L1/00 ,  H04L1/18 ,  H04L5/00

    Abstract: A method for repetitive transmission of a transport block, performed by a first communication node, may comprise generating a first modulation symbol by performing a modulation operation on a first bit sequence of the transport block; generating a second bit sequence by changing an arrangement order of bits included in the first bit sequence according to a preconfigured rule; generating a second modulation symbol by performing the modulation operation on the second bit sequence; and transmitting, to a second communication node, the first modulation symbol and the second modulation symbol on different data channels.

    Method and apparatus for decoding LDPC code
    7.
    发明授权
    Method and apparatus for decoding LDPC code 有权
    LDPC码解码方法和装置

    公开(公告)号：US09336077B2

    公开(公告)日：2016-05-10

    申请号：US14031882

    申请日：2013-09-19

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Sung Ik Park ,  Heung Mook Kim

    IPC: H03M13/11 ,  G06F11/10 ,  H03M13/53

    CPC classification number: G06F11/10 ,  H03M13/112

    Abstract: There are provided a method and apparatus for decoding an LDPC code. In this specification, a first result is calculated by performing the calculation of a check node having two inputs forward and recursively, a second result is calculated by performing the calculation of the check node having the two inputs backward and recursively, and the check node is calculated using the first result and the second result as the inputs.

    Abstract translation: 提供了一种用于对LDPC码进行解码的方法和装置。 在本说明书中，通过进行具有前向和递归的两个输入的校验节点的计算来计算第一结果，通过反向和递归地执行具有两个输入的校验节点的计算来计算第二结果，并且校验节点 使用第一个结果和第二个结果作为输入计算。

    Method and apparatus for transmitting or receiving feedback information in communication system
    8.
    发明授权
    Method and apparatus for transmitting or receiving feedback information in communication system 有权

    公开(公告)号：US11889516B2

    公开(公告)日：2024-01-30

    申请号：US17299241

    申请日：2020-01-02

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hoi Yoon Jung ,  Sung Ik Park ,  Heung Mook Kim ,  Nam Ho Hur

    IPC: H04W72/23 ,  H04L1/1812

    CPC classification number: H04W72/23 ,  H04L1/1812

    Abstract: Disclosed are a method and an apparatus for transmitting or receiving feedback information in a communication system. An operation method of a terminal comprises the steps of: receiving, from a base station, DCI #1 including scheduling information of PDSCH #1 and transmission resource information of HARQ response #1 with respect to PDSCH #1; receiving, from the base station, DCI #2 including scheduling information of PDSCH #2 and transmission resource information of HARQ response #2 with respect to PDSCH #2; and when the transmission resource information of HARQ response #1 is configured as undefined, transmitting, to the base station, HARQ response #1 and HARQ response #2 by using a resource indicated by the transmission resource information of HARQ response #2. Therefore, the performance of the communication system can be improved.

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