OFDM 시스템에서의 송수신 방법 및 그 장치
    61.
    发明公开
    OFDM 시스템에서의 송수신 방법 및 그 장치 审中-实审
    OFDM系统中发送和接收信号的方法及装置

    公开(公告)号:KR1020150081993A

    公开(公告)日:2015-07-15

    申请号:KR1020140002055

    申请日:2014-01-07

    Abstract: OFDM(Orthogonal Frequency Division Multiplexing) 무선통신시스템에서, 송신하고자하는소스데이터에대한심볼신호를위상변조하고, 채널코딩된추가데이터와상기위상변조된신호를성상도매핑하여, 상기추가데이터와위상변조된신호를결합한전송신호를생성하여전송한다.

    Abstract translation: 正交频分复用(OFDM)无线通信系统本发明涉及一种正交频分复用(OFDM)无线通信系统,以便通过传输附加数据来提高传输速率,该附加数据对要发送的源数据对符号信号执行相位调制; 执行信道编码附加数据和相位调制信号的星座映射; 并通过将附加数据耦合到相位调制信号并发送发送信号来产生发送信号。

    데이터 변조시 데이터 추가가 가능한 데이터 송신 장치와 방법, 및 데이터 분리 복원 장치와 방법
    62.
    发明授权
    데이터 변조시 데이터 추가가 가능한 데이터 송신 장치와 방법, 및 데이터 분리 복원 장치와 방법 有权
    用于在数据调制时插入附加数据的数据传输装置和数据传输方法,以及用于单独处理数据的数据重构装置和数据重构方法

    公开(公告)号:KR101470592B1

    公开(公告)日:2014-12-10

    申请号:KR1020110046741

    申请日:2011-05-18

    Inventor: 임종수

    Abstract: 본발명은다중경로페이딩에강인한 OFDM 성질을만족함과동시에진폭이일정한특징을가지는 CE-OFDM 변조방식에추가로데이터를보내고자하는경우이에대한송수신장치및 방법에관한것이다. 추가로확보된정보채널을이용하여서비스채널정보, 물리계층의변조파라미터정보등을보낼수 있고, 이를활용하면서비스탐색시간절약및 수신기의전력도절감할수 있다.

    디지털 방송 신호의 전송 방법, 전송 장치, 수신 방법 및 수신 장치
    65.
    发明公开
    디지털 방송 신호의 전송 방법, 전송 장치, 수신 방법 및 수신 장치 无效
    传输方法,传输装置,接收方法,数字广播信号接收装置

    公开(公告)号:KR1020130096688A

    公开(公告)日:2013-08-30

    申请号:KR1020130093840

    申请日:2013-08-07

    Abstract: PURPOSE: A transmission method, transmission apparatus, reception method, and reception apparatus for a digital broadcasting signal are provided to divide a stream into multiple layers according to the properties of the stream and independently process the layers. CONSTITUTION: A transmission method for a digital broadcasting signal comprises steps of: dividing a unit stream into multiple layers according to the properties of the stream (S104); encoding and mapping the divided layers (S105, S106); and dynamically assigning the resources of the layers based on the number of symbols of the layers (S107, S108). [Reference numerals] (AA) Start; (BB) End; (S101) Input multiple transmission streams; (S102) Multiplex in the type of a unit stream; (S103) Encode for error correction; (S104) Divide the unit stream into multiple layers; (S105) Encode the divided layers; (S106) Map the divided layers using a predetermined method; (S107) Determine the bandwidth of each layer based on the number of symbol of each layer; (S108) Assign frequency domain; (S109) Perform frequency interleaving to each layer; (S110) Perform inverse fast Fourier transform

    Abstract translation: 目的:提供一种用于数字广播信号的传输方法,传输装置,接收方法和接收装置,以根据流的属性将流划分成多个层,并独立地处理这些层。 构成:数字广播信号的传输方法包括以下步骤:根据流的属性将单元流划分成多个层(S104); 编码和映射划分的层(S105,S106); 并且基于层的符号的数量动态分配层的资源(S107,S108)。 (附图标记)(AA)开始; (BB)结束; (S101)输入多个传输流; (S102)单位流类型中的多路复用; (S103)编码纠错; (S104)将单位流划分为多层; (S105)对划分的层编码; (S106)使用预定方法映射分割图层; (S107)根据每一层的符号数确定每层的带宽; (S108)分配频域; (S109)对各层进行频率交织; (S110)进行快速傅立叶逆变换

    이동방송 서비스를 이용한 멀티미디어 제공 방법 및 그 시스템
    66.
    发明公开
    이동방송 서비스를 이용한 멀티미디어 제공 방법 및 그 시스템 审中-实审
    使用移动广播服务提供多媒体的方法及其系统

    公开(公告)号:KR1020130090814A

    公开(公告)日:2013-08-14

    申请号:KR1020130011301

    申请日:2013-01-31

    Abstract: PURPOSE: A method for providing multimedia using mobile broadcast service and a system thereof are provided to provide multimedia by using interchangeability of a broadcast channel and a personal mobile communication channel. CONSTITUTION: Multimedia is provided through a broadcast channel on the basis of a user terminal (S310). When the multimedia is not able to be provided through the broadcast channel, the multimedia is provided through a mobile communication channel (S320). Information about the multimedia which is provided through the mobile communication channel is statistically calculated on the basis of the position of the user terminal (S330). The multimedia provided through the broadcast channel is updated using the information according to the statistics (S340). [Reference numerals] (AA) Start; (BB) End; (S310) Multimedia is provided through a broadcast channel; (S320) When the multimedia is not able to be provided through the broadcast channel, the multimedia is provided through a mobile communication channel; (S330) Information about the multimedia which is provided through the mobile communication channel is statistically calculated on the basis of the position of the user terminal; (S340) Multimedia provided through the broadcast channel is updated using the information according to the statistics

    Abstract translation: 目的:提供使用移动广播服务提供多媒体的方法及其系统,通过使用广播频道和个人移动通信信道的可互换性来提供多媒体。 构成:通过基于用户终端的广播频道提供多媒体(S310)。 当不能通过广播频道提供多媒体时,通过移动通信信道提供多媒体(S320)。 基于用户终端的位置对通过移动通信信道提供的多媒体的信息进行统计计算(S330)。 使用根据统计信息的信息来更新通过广播频道提供的多媒体(S340)。 (附图标记)(AA)开始; (BB)结束; (S310)通过广播信道提供多媒体; (S320)当通过广播信道不能提供多媒体时,通过移动通信信道提供多媒体; (S330)根据用户终端的位置统计计算通过移动通信信道提供的关于多媒体的信息; (S340)使用根据统计信息的信息更新通过广播频道提供的多媒体

    비디오 서비스 제공 방법 및 장치
    68.
    发明公开
    비디오 서비스 제공 방법 및 장치 无效
    提供视频服务的方法及其设备

    公开(公告)号:KR1020130018485A

    公开(公告)日:2013-02-25

    申请号:KR1020120035209

    申请日:2012-04-05

    Abstract: PURPOSE: A video service providing method for providing a real time video service without disconnection in a wired, wireless or integrated communications network and an apparatus for the same are provided to apply a special source coding method and a communications technique called double bearer, thereby obtaining improved performance and a path diversity effect. CONSTITUTION: An urgent service request signal is received in a process of receiving a video service from a terminal which receives the video service(S110). A bearer is additionally set up in order to provide a high quality video service in a process of receiving the urgent service request signal from the terminal(S120). A video source stream is divided into two streams(S130). Each stream divided in the stream division stage is assigned to a base bearer and to an additional bearer(S140). [Reference numerals] (AA) Start; (BB) End; (S110) Receiving an emergency service request signal from a terminal; (S120) Additionally setting a bearer; (S130) Dividing a video source stream into streams having odd frames and streams having even frames; (S140) Assigning the divided stream in a basic bearer and the additional bearer and transmitting to the terminal

    Abstract translation: 目的:提供一种用于在有线,无线或集成通信网络中提供实时视频服务而不断开的视频服务提供方法及其装置,以应用特殊的源编码方法和称为双承载的通信技术,从而获得 改进的性能和路径分集效应。 构成:在从接收视频业务的终端接收视频业务的处理中接收到紧急业务请求信号(S110)。 为了在从终端接收紧急业务请求信号的处理中提供高质量的视频服务,另外建立承载(S120)。 视频源流被分成两个流(S130)。 在流分割级中划分的每个流被分配给基站承载和附加承载(S140)。 (附图标记)(AA)开始; (BB)结束; (S110)从终端接收紧急服务请求信号; (S120)另外设置承载; (S130)将视频源流划分为具有偶数帧的奇数帧和流的流; (S140)将划分的流分配给基本承载和附加承载并发送到终端

    프레임 동기 검출용 신호 송수신 방법 및 그 장치
    69.
    发明授权
    프레임 동기 검출용 신호 송수신 방법 및 그 장치 失效
    发送和接收帧同步检测信号的方法和装置

    公开(公告)号:KR101214561B1

    公开(公告)日:2012-12-24

    申请号:KR1020090106023

    申请日:2009-11-04

    Abstract: 계층변조기법이적용된방송시스템에서프레임동기검출용신호를수신하는방법은서비스제공신호와서비스제공신호에새로추가되는신호를포함하는계층변조신호로부터위상기준심볼신호를수신하고, 수신한위상기준심볼신호와동기입력신호를상호상관하여복수개의상호상관값을산출하여, 복수개의상호상관값중 피크상관값을토대로계층변조신호의시작시점을검출한다.

    방송 신호의 수신 방법 및 수신 장치
    70.
    发明公开
    방송 신호의 수신 방법 및 수신 장치 有权
    用于接收广播信号的装置和方法

    公开(公告)号:KR1020120132454A

    公开(公告)日:2012-12-05

    申请号:KR1020120119271

    申请日:2012-10-25

    CPC classification number: H04N5/4401 H04N7/122 H04N7/52

    Abstract: PURPOSE: A broadcast signal receiving method and a device thereof are provided to supply separate transmission types according to a frequency domain and a time domain. CONSTITUTION: An A/D converting unit(510) receives a transmission frame. The A/D converting unit converts the received transmission frame into a distal signal. The transmission frame includes a plurality of transmission data. The transmission frame includes a frame header including information about the transmission data. A frame header determining unit(520) decodes frame header information from the transmission frame. A transmission data selecting unit outputs one of the transmission data based on the frame header information. [Reference numerals] (510) A/D converting unit; (520) Frame header determining unit; (530) Fourier converting unit; (540) Service selecting unit; (AA) Transmitting signal; (BB) Digital demodulation unit 1; (CC) Digital demodulation unit 2; (DD) Digital demodulation unit 3; (EE) Channel decoding unit 1; (FF) Channel decoding unit 2; (GG) Channel decoding unit 3; (HH) Service 1; (II) Service 2; (JJ) Service 3

    Abstract translation: 目的:提供广播信号接收方法及其装置,以根据频域和时域提供单独的传输类型。 构成:A / D转换单元(510)接收传输帧。 A / D转换单元将接收到的传输帧转换为远端信号。 发送帧包括多个发送数据。 传输帧包括包括关于传输数据的信息的帧报头。 帧头确定单元(520)从传输帧解码帧头信息。 发送数据选择单元基于帧头信息输出发送数据之一。 (附图标记)(510)A / D转换单元; (520)帧头确定单元; (530)傅里叶变换单元; (540)服务选择单元; (AA)发射信号; (BB)数字解调单元1; (CC)数字解调单元2; (DD)数字解调单元3; (EE)信道解码单元1; (FF)信道解码单元2; (GG)信道解码单元3; (HH)服务1; (二)服务2; (JJ)服务3

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