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公开(公告)号：KR1020140057154A
公开(公告)日：2014-05-12
申请号：KR1020130124461
申请日：2013-10-18
Applicant: 한국전자통신연구원
IPC: H04H20/59
CPC classification number: H04H20/59 , H04H60/50 , H04H2201/11 , H04H2201/20
Abstract: An apparatus and a method for providing a digital broadcast signal are provided. The apparatus for providing a digital broadcast signal comprises a disaster broadcast unit which detects a first disaster message signal from a terrestrial DMB signal, and generates a second disaster message signal including a disaster broadcast activation data for emergency alert service for a radio shadow area based on a first field value of the first disaster message signal; and a broadcast signal relay unit which controls transmission of the second disaster massage signal transmitted from the disaster broadcast unit.
Abstract translation: 提供了一种用于提供数字广播信号的装置和方法。 用于提供数字广播信号的装置包括灾难广播单元，其从地面DMB信号检测第一灾难信号信号，并且生成第二灾害信号信号，其包括基于无线电阴影区域的紧急警报服务的灾难广播激活数据 第一灾害信号信号的第一场值; 以及广播信号中继单元，其控制从灾害广播单元发送的第二灾害按摩信号的发送。
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公开(公告)号：KR1020140052852A
公开(公告)日：2014-05-07
申请号：KR1020130125233
申请日：2013-10-21
Applicant: 한국전자통신연구원
Abstract: The present invention relates to a broadcasting transmission apparatus. Disclosed in the present specification is the broadcasting transmission apparatus which comprises an ATSC signal generation unit to transmit an ATSC signal in accordance with ATSC transmission standards; a low-speed data signal generation unit which has the same frequency range as that of the ATSC signal, and transmits at least one narrow-band signal located in a null frequency domain of an NTSC removal filter; a coupling unit to couple the ATSC signal to the at least one narrow-band signal; and an RF transmission unit to transmit the signal, coupled by the coupling unit, as an RF signal.
Abstract translation: 广播发送装置技术领域本发明涉及广播发送装置。 在本说明书中公开的广播发送装置包括：ATSC信号生成单元，按照ATSC传输标准发送ATSC信号; 低速数据信号生成单元，其具有与ATSC信号相同的频率范围，并且发送位于NTSC去除滤波器的零频域中的至少一个窄带信号; 耦合单元，用于将所述ATSC信号耦合到所述至少一个窄带信号; 以及RF发送单元，用于将由耦合单元耦合的信号作为RF信号发送。
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公开(公告)号：KR101348618B1
公开(公告)日：2014-01-08
申请号：KR1020100123849
申请日：2010-12-06
Applicant: 한국전자통신연구원
Abstract: OFDM(Orthogonal Frequency Division Multiplexing) 시스템에서 수신채널 특성을 분석하는 수신기를 제공한다. 상기 수신기는 수신채널을 통해 수신된 신호를 기저대역 신호로 다운 컨버팅(down converting)하고, 상기 다운 컨버팅된 신호에 대해 동기(synchronization) 및 고속 푸리에 변환(Fast Fourier Transformation: FFT)을 수행하여 분석대상신호를 출력하는 동기획득부, 및 상기 분석대상신호에 대한 수신기의 필터특성에 의한 제1 오류를 소거(cancellation)하고, 상기 분석대상신호에 대한 역고속 푸리에 변환(Inverse FFT: IFFT)시 주파수상의 보호대역(guard band)내의 널 부반송파(null subcarrier)에 의한 채널임펄스 응답의 제2 오류를 소거하며, 상기 제1 및 제2 오류가 소거된 상기 분석대상신호를 기반으로 상기 수신채널을 분석하는 수신채널 분석부를 포함한다. 수신기 자체의 오류 값을 최대한 줄임으로써 수신 채널의 특성 분석에 대한 신뢰도를 높일 수 있다.
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公开(公告)号：KR1020120062547A
公开(公告)日：2012-06-14
申请号：KR1020100123849
申请日：2010-12-06
Applicant: 한국전자통신연구원
CPC classification number: H04L27/265 , H04J11/00 , H04L27/2655
Abstract: PURPOSE: An apparatus and method for analyzing reception channel properties are provided to enhance reliability for the characteristic analysis of a reception channel by maximally reducing an error value of a receiver oneself. CONSTITUTION: A source coding unit(210) encodes an analog source data like a video signal and an audio signal based on MPEG(Motion Picture Experts Group)-2. A channel coding and interleaving unit(220) performs channel coding and interleaving for correcting errors of encoded source data. A multiplexing unit(230) multiplexes source data of different kinds or data of different channels. A FIC(Fast Information Channel) synchronization unit(240) induces the synchronization of a symbol corresponding to a fast information channel from OFDM(Orthogonal Frequency Division Multiplexing) symbols generated from an OFDM modulator(250). The OFDM modulator maps an inputted data stream to a plurality of subcarriers in a frequency domain. The OFDM modulator generates the OFDM symbols through FFT(Fast Fourier Transform) and IFFT(Inverse FFT) processing.
Abstract translation: 目的：提供用于分析接收信道特性的装置和方法，以通过最大限度地减少接收机自身的误差值来提高接收信道的特性分析的可靠性。 构成：源编码单元（210）基于MPEG（运动图像专家组）-2对诸如视频信号和音频信号的模拟源数据进行编码。 信道编码和交织单元（220）执行用于校正编码源数据的错误的信道编码和交织。 复用单元（230）复用不同种类的源数据或不同信道的数据。 FIC（快速信息信道）同步单元（240）从OFDM调制器（250）生成的OFDM（正交频分复用）符号中引发对应于快速信息信道的符号的同步。 OFDM调制器将输入的数据流映射到频域中的多个子载波。 OFDM调制器通过FFT（快速傅里叶变换）和IFFT（反FFT）处理产生OFDM符号。
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公开(公告)号：KR1020110126345A
公开(公告)日：2011-11-23
申请号：KR1020100045983
申请日：2010-05-17
Applicant: 한국전자통신연구원
CPC classification number: H04H20/59 , H04H20/02 , H04H20/22 , H04H2201/11
Abstract: PURPOSE: A disaster broadcasting providing method, broadcasting apparatus, multiplexer, and multiplexing method are provided to transmit a disaster broadcasting service signal of a specific region to a receiving terminal according to audio sampling frequencies. CONSTITUTION: A disaster message generating unit(100) generates first and second service streams. A first disaster broadcasting multiplexer(300_1) selectively inserts a null stream to the first service stream. The first disaster broadcasting multiplexer multiplexes a first service bit ratio in a first broadcasting channel standard. A second disaster broadcasting multiplexer(300_2) selectively inserts the stream stretched on the second service stream.
Abstract translation: 目的：提供一种灾害广播提供方法，广播装置，多路复用器和多路复用方法，用于根据音频采样频率将特定区域的灾难广播业务信号发送到接收终端。 构成：灾害消息产生单元（100）产生第一和第二服务流。 第一灾难广播多路复用器（300_1）有选择地将空流插入第一服务流。 第一灾难广播多路复用器在第一广播信道标准中复用第一服务比特率。 第二灾难广播多路复用器（300_2）选择性地插入在第二服务流上延伸的流。
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Patent Agency Ranking
公开(公告)号：KR1020110070513A
公开(公告)日：2011-06-24
申请号：KR1020090127364
申请日：2009-12-18
Applicant: 한국전자통신연구원
IPC: H04H20/59
CPC classification number: H04H20/59 , H04H20/02 , H04H20/22 , H04H20/47 , H04H2201/11
Abstract: PURPOSE: A disaster broadcasting providing method and apparatus are provided to offer disaster broadcasting to each channel through one source service encoder with the insertion of an abnormally RS encoded result. CONSTITUTION: An Ensemble MUX(Multiplexer)(240) multiplexes the disaster message of the disaster message generator(100a) in the ETI(Ensemble Transport Interface) frame of an ETI frame generator(230). According to the bit rate of a transfer rate controller(110), video stream bit rate controllers(140a~140c) switch the normally RS(Reed-Solomon) encoded stream of RS encoders(130a~130c) and the null stream of the generators(150a~150c) of an abnormally RS encoded null stream through video stream switches(141a~141c).
Abstract translation: 目的：提供灾难广播提供方法和装置，通过一个源服务编码器向每个信道提供灾难广播，并插入异常的RS编码结果。 构成：集成MUX（多路复用器）（240）将ETI帧发生器（230）的ETI（Ensemble Transport Interface）帧中的灾难消息发生器（100a）的灾难消息复用。 根据传输速率控制器（110）的比特率，视频流比特率控制器（140a〜140c）切换RS编码器（130a〜130c）的正常RS（里德 - 所罗门）编码流和发生器的空闲流 （141a〜141c）的异常RS编码的空流的（150a〜150c）。
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公开(公告)号：KR1020110068818A
公开(公告)日：2011-06-22
申请号：KR1020100079381
申请日：2010-08-17
Applicant: 한국전자통신연구원
CPC classification number: H03F1/3247 , H03F1/3258 , H03F3/24
Abstract: PURPOSE: A method for increasing the performance of a pre-distorter and transmitter supporting the method are provided to use minimum complexity and costs, thereby reducing distortion of constellation. CONSTITUTION: A pre-distorter(130) pre-distorts attraction using a pre-distortion estimating value. A digital analog converter(140) converts the output of the pre-distorter into analog signals. An upper converter(150) modulates the frequency of the analog signals into a frequency band. A high power amplifier(160) amplifies the modulated signals. A gain controller(170) controls the gain of the amplified signal. An NMSE estimator(180) estimates an NMSE(Normalized Mean Square Error). A lower converter(190) modulates the frequency of the gain controlled signal into a base band. An analog digital converter(200) digitizes the modulated signal. A pre-distortion estimator(210) estimates a pre-distortion value.
Abstract translation: 目的：提供一种用于提高支持该方法的预失真器和发射机的性能的方法，以便使用最小的复杂性和成本，从而减少星座的失真。 构成：预失真（130）使用预失真估计值预先歪曲吸引力。 数字模拟转换器（140）将预失真器的输出转换为模拟信号。 上转换器（150）将模拟信号的频率调制成频带。 高功率放大器（160）放大调制信号。 增益控制器（170）控制放大信号的增益。 NMSE估计器（180）估计NMSE（归一化均方误差）。 较低转换器（190）将增益受控信号的频率调制为基带。 模拟数字转换器（200）对调制信号进行数字化。 预失真估计器（210）估计预失真值。
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公开(公告)号：KR1020110057000A
公开(公告)日：2011-05-31
申请号：KR1020090113524
申请日：2009-11-23
Applicant: 한국전자통신연구원
IPC: H04B7/08
CPC classification number: H04B7/0857 , H04B7/0413 , H04B7/0891
Abstract: PURPOSE: An apparatus and method for detecting a signal efficiently in a wireless communication system are provided to adjust the complexity and detection performance of a wireless system by variously changing the setup operation for signal detection. CONSTITUTION: A signal detection device of a wireless communication system comprises an antenna array(100), a setting unit(200), a detection unit(300), and a final signal selection unit(400). The detection unit performs a K-best detection to an α(α
Abstract translation: 目的：提供一种用于在无线通信系统中有效检测信号的装置和方法，通过各种改变信号检测的设置操作来调整无线系统的复杂性和检测性能。 构成：无线通信系统的信号检测装置包括天线阵列（100），设定单元（200），检测单元（300）和最终信号选择单元（400）。 检测单元对接收到的信号对α（α
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公开(公告)号：KR1020100066368A
公开(公告)日：2010-06-17
申请号：KR1020090116757
申请日：2009-11-30
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An apparatus and a method for controlling a traffic light in an emergency situation are provided to secure the course of emergent vehicle and maintain moderate traffic. CONSTITUTION: A traffic network control unit(330) determines the control for a traffic light in order to support the movement of an emergent vehicle. Control signal is transmitted from the traffic network controller. Traffic light control units(310, 320, 350) receive the control signal and controls the traffic light. An emergent vehicle control unit(340) transmits signal for releasing the control signal.
Abstract translation: 目的：提供一种用于在紧急情况下控制交通灯的装置和方法，以确保紧急车辆的路线并保持适度的交通。 构成：交通网络控制单元（330）确定交通信号灯的控制，以支持紧急车辆的移动。 控制信号从业务网络控制器发送。 交通灯控制单元（310,320,350）接收控制信号并控制交通灯。 紧急车辆控制单元（340）发送用于释放控制信号的信号。
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公开(公告)号：KR1020090025874A
公开(公告)日：2009-03-11
申请号：KR1020070091034
申请日：2007-09-07
Applicant: 한국전자통신연구원
CPC classification number: H04L25/0212 , H04B7/155 , H04L25/022 , H04L25/0224 , H04L25/0228 , H04L25/0246 , H04B7/15507
Abstract: A reverse channel estimator of a relay reception channel using a channel estimator and a filter factor generating unit and a method thereof are provided to secure stability and causality due to dividing a filter factor at a time domain into reverse minimal phase filter factor and coolie delay filter factor. A channel estimator(41) estimates a channel caused by a transmission line from the received signal in which the promised signal is inserted. A reverse minimal phase filter factor generating unit(42) produces a reverse channel of a minimal phase channel from a channel estimated at a channel estimator. A reverse minimal phase filter factor generating unit converts the generated reverse channel into the filter factor at a time domain. A reverse delay filter factor generating unit(43) produces the filter factor at the time domain by using the minimal phase channel estimated at the channel estimator. A connection unit(44) generates reverse channel of the receive channel at the time domain.
Abstract translation: 提供使用信道估计器和滤波器因子生成单元的中继接收信道的反向信道估计器及其方法，以确保由于将时域上的滤波因子分解为反向最小相位滤波因子和冷却延迟滤波器的稳定性和因果关系 因子。 信道估计器（41）从其中插入应答信号的接收信号估计由传输线引起的信道。 反向最小相位滤波器因子产生单元（42）从在信道估计器处估计的信道产生最小相位信道的反向信道。 反向最小相位滤波器因子产生单元将产生的反向信道在时域转换成滤波器因子。 反向延迟滤波器因子生成单元（43）通过使用在信道估计器处估计的最小相位信道在时域产生滤波器因子。 连接单元（44）在时域产生接收信道的反向信道。
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