公开(公告)号：US20070074256A1

公开(公告)日：2007-03-29

申请号：US11452486

申请日：2006-06-13

申请人： Joon-Young Jung ,  Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Joon-Young Jung ,  Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04N7/173 ,  H04N7/16

CPC分类号： H04N21/6118 ,  H04N7/17354 ,  H04N21/2221 ,  H04N21/23608 ,  H04N21/2541 ,  H04N21/25875 ,  H04N21/2668 ,  H04N21/4181 ,  H04N21/4305 ,  H04N21/4383 ,  H04N21/43853 ,  H04N21/4508

摘要： Provided are an apparatus for receiving cable broadcasting programs and a multiplexer and a de-multiplexer thereof for reducing data amount processed in a Cable CARD and for correcting synchronization of descrambled data stream. The apparatus includes: a multiplexing unit for filtering a broadcasting stream to select only programs selected by a viewer and multiplexing the selected programs; a conditional-access processing unit for receiving the multiplexed streams and processing the multiplexed streams for conditional access (descrambling); and a de-multiplexing unit for de-multiplexing the multi stream from the conditional-access processing unit and correcting a program clock reference (PCR).

摘要翻译： 提供了一种用于接收有线广播节目的装置和用于减少在有线电视卡中处理的数据量并用于校正解扰数据流的同步的多路复用器和解复用器。 该装置包括：多路复用单元，用于过滤广播流以仅选择由观看者选择的节目并且复用所选择的节目; 条件访问处理单元，用于接收多路复用的流并处理用于条件访问（解扰）的多路复用流; 以及解复用单元，用于从条件访问处理单元解复用多流，并校正程序时钟参考（PCR）。

公开(公告)号：US20060221178A1

公开(公告)日：2006-10-05

申请号：US10553667

申请日：2004-04-14

申请人： Kug-Jin Yun ,  Suk-Hee Cho ,  Chung-Kyun Ahn ,  Soo-In Lee

发明人： Kug-Jin Yun ,  Suk-Hee Cho ,  Chung-Kyun Ahn ,  Soo-In Lee

IPC分类号： H04N7/12 ,  H04N13/00 ,  H04B1/66 ,  H04N11/02 ,  H04N11/04

CPC分类号： H04N7/17318 ,  H04N13/161 ,  H04N13/178 ,  H04N13/194 ,  H04N19/132 ,  H04N19/162 ,  H04N19/187 ,  H04N19/25 ,  H04N19/31 ,  H04N19/33 ,  H04N19/597 ,  H04N21/2181 ,  H04N21/234318 ,  H04N21/234327 ,  H04N21/23439 ,  H04N21/2365 ,  H04N21/2368 ,  H04N21/4341 ,  H04N21/4347 ,  H04N21/6125 ,  H04N21/6175 ,  H04N21/6437 ,  H04N21/6581 ,  H04N21/816 ,  H04N21/85406

摘要： Provided is a system and method for broadcasting stereoscopic video data to users on the Internet based on Moving Picture Experts Group (MPEG)-4. The system includes: an encoding server for receiving stereoscopic video data, audio data, and Object Descriptor/Binary Format for Scene (OD/BIFS), which is information for controlling a content, and encoding the data into elementary stream (ES) having an MPEG-4 structure; a web server for receiving from the client any one among two-dimensional video display mode, field-shuttering video display mode and frame-shuttering video display mode; and a streaming server for generating a RTP (RTP) packet for real-time data transmission on the Internet by multiplexing the ES based on the display mode inputted into the web server, and transmitting the RTP packet to the client.

摘要翻译： 提供了一种基于运动图像专家组（MPEG）-4在互联网上向用户广播立体视频数据的系统和方法。 该系统包括：用于接收立体视频数据，音频数据和用于场景的对象描述符/二进制格式（OD / BIFS）的编码服务器，其是用于控制内容的信息，并且将数据编码为具有 MPEG-4结构; 用于从客户端接收二维视频显示模式，场快门视频显示模式和帧快门视频显示模式之一的网络服务器; 以及流式传输服务器，用于通过基于输入到web服务器的显示模式复用ES来生成用于在因特网上实时数据传输的RTP（RTP）分组，并将RTP分组发送给客户端。

公开(公告)号：US20060130114A1

公开(公告)日：2006-06-15

申请号：US11218810

申请日：2005-09-01

申请人： Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04N7/173 ,  H04N7/16

CPC分类号： H04N7/163 ,  H04N7/17318 ,  H04N21/4122 ,  H04N21/4332 ,  H04N21/4334 ,  H04N21/43615 ,  H04N21/43622

摘要： Provided are a data server for interactive data broadcasting service and an interactive data broadcasting service providing method using the same. The present invention provides a data broadcasting service where users can participate in real-time by processing messages inputted through a return channel according to each content. The data server includes: a contents registering unit for registering a content of data broadcasting service in a file system; a storage for managing and storing signaling information of the registered content; and a data processing unit for defining an application message for the content supporting an interactive service, identifying the kind of the content by receiving the message inputted through a return channel, updating the content by analyzing the inputted message based on structural information of the message to perform interactive data broadcasting service in real-time.

摘要翻译： 提供了一种用于交互式数据广播服务的数据服务器和使用其的交互式数据广播服务提供方法。 本发明提供一种数据广播服务，其中用户可以通过根据每个内容处理通过返回信道输入的消息来实时参与。 数据服务器包括：内容登记单元，用于在文件系统中注册数据广播服务的内容; 用于管理和存储注册内容的信令信息的存储器; 以及数据处理单元，用于定义用于支持交互式服务的内容的应用消息，通过接收通过返回信道输入的消息来识别内容的种类，通过基于消息的结构信息分析所输入的消息来更新内容 实时执行交互式数据广播服务。

公开(公告)号：US07050511B2

公开(公告)日：2006-05-23

申请号：US09967548

申请日：2001-09-28

申请人： Young-Ho Jeong ,  So-Ra Park ,  Geon Kim ,  Soo-In Lee

发明人： Young-Ho Jeong ,  So-Ra Park ,  Geon Kim ,  Soo-In Lee

IPC分类号： H03C1/52 ,  H04L27/04

CPC分类号： H04L1/0065 ,  H04L1/0041 ,  H04L1/0071 ,  H04L25/03866 ,  H04L27/2602 ,  H04L27/2614 ,  H04L2001/0093

摘要： The in-band adjacent-channel digital audio broadcasting system includes a scrambling unit for scrambling a signal to be broadcasted, thereby generating a scrambled signal; an outer coding unit for performing a first encoding of the scrambled signal, thereby generating an outer encoded signal; an outer interleaving unit for performing a first interleaving of the outer encoded signal a byte by byte basis, thereby generating an outer interleaved signal; an inner coding unit for performing a second encoding the outer interleaved signal, thereby generating an inner encoded signal; an inner interleaving unit for performing a second interleaving of the inner encoded signal, thereby generating an inner interleaved signal; a modulating unit for modulating the inner interleaved signal, thereby generating an orthogonal frequency division multiplexing (OFDM) symbols; a guard interval inserting unit for inserting a guard interval between the OFDM symbols in order to eliminate an inter-symbol interference, thereby generating an OFDM frame; and an RF processing unit for performing a conversion of the OFDM frame into an analog radio frequency signal so that the OFDM signal can be transmitted in a specific frequency channel of an FM frequency band, and for amplifying and outputting the analog radio frequency signal.

公开(公告)号：US20050141712A1

公开(公告)日：2005-06-30

申请号：US10868508

申请日：2004-06-14

申请人： Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04N7/167 ,  H04N7/173

CPC分类号： H04L9/0825 ,  G06Q20/102 ,  G06Q40/12 ,  H04L9/0844 ,  H04L9/3247 ,  H04N7/1675 ,  H04N7/17309 ,  H04N7/17363 ,  H04N21/2543 ,  H04N21/25816 ,  H04N21/4181 ,  H04N21/47202 ,  H04N21/475 ,  H04N21/482 ,  H04N21/63345

摘要： A method for subscribing a service and distributing encryption key based on public-key encryption algorithm in a digital CATV system are disclosed. In accordance with an aspect of the present invention, there is provided a method including the steps of: a) generating a charged service application message; b) generating a session connection request message, signing based on a digital signature scheme with appendix on the session connection request message and transmitting to the head-end; c) generating a symmetric-based session key, signing a digital signature on the key, encrypting based on a public-key of the subscriber, transmitting the session key to the subscriber; decrypting the session key message, verifying the digital signature, extracting the session key from the session key message and storing at a Condition Access Module; and d) signing a digital signature on the charged service request message, encrypting using the extracted session key and transmitting to the head-end.

摘要翻译： 公开了一种在数字CATV系统中基于公开密钥加密算法订阅服务并分发加密密钥的方法。 根据本发明的一个方面，提供了一种方法，包括以下步骤：a）产生带电业务应用消息; b）生成会话连接请求消息，基于会话连接请求消息的附录基于数字签名方案进行签名并发送到前端; c）生成基于对称的会话密钥，在密钥上签署数字签名，基于订户的公开密钥加密，向用户发送会话密钥; 解密会话密钥消息，验证数字签名，从会话密钥消息中提取会话密钥并存储在条件访问模块; 以及d）在所收取的服务请求消息上签署数字签名，使用所提取的会话密钥进行加密并发送到头端。

公开(公告)号：US08787821B2

公开(公告)日：2014-07-22

申请号：US13130226

申请日：2009-07-21

申请人： Hyoungsoo Lim ,  Jae-Young Lee ,  Heung-Mook Kim ,  Soo-In Lee

发明人： Hyoungsoo Lim ,  Jae-Young Lee ,  Heung-Mook Kim ,  Soo-In Lee

IPC分类号： H04H20/74 ,  H04B7/00

CPC分类号： H04W24/02 ,  H04B7/0417 ,  H04N21/6112 ,  H04W24/08 ,  H04W52/322 ,  H04W72/005

摘要： Disclosed is an apparatus and method for providing a broadcasting service in a single frequency broadcasting network, and a system thereof. The apparatus for receiving broadcasting signals includes an RF receiver configured to receive an RF broadcasting signal having identification information to identify a broadcasting signal transmitter and down-convert the received RF broadcasting signal; a reception characteristic measurer configured to measure reception characteristics of the RF broadcasting signal based on the identification information and generate reception characteristic information; and a reception characteristic transmitter configured to transmit the reception characteristic information to a broadcasting system.

摘要翻译： 公开了一种在单频广播网络中提供广播服务的装置和方法及其系统。 用于接收广播信号的装置包括：RF接收机，被配置为接收具有标识信息的RF广播信号，以识别广播信号发射机，并对所接收的RF广播信号进行下变频; 接收特性测量器，被配置为基于所述识别信息测量所述RF广播信号的接收特性并产生接收特性信息; 以及接收特性发送器，被配置为向广播系统发送接收特性信息。

公开(公告)号：US08681911B2

公开(公告)日：2014-03-25

申请号：US12676656

申请日：2008-05-15

申请人： Jae-Young Lee ,  Sung-Ik Park ,  Ho-Min Eum ,  Jae-Hyun Seo ,  Heung-Mook Kim ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Jae-Young Lee ,  Sung-Ik Park ,  Ho-Min Eum ,  Jae-Hyun Seo ,  Heung-Mook Kim ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H03D1/00

CPC分类号： H04H20/12 ,  H04H20/06

摘要： Provided is an identification signal analyzing apparatus and method for compensating power of a channel profile occurring at a conventional identification signal analyzing apparatus by using a power compensation. The identification signal analyzing apparatus includes: an identification signal generator for generating an identification signal identical to a known identification signal inserted by a transmission device; a partial correlator for calculating a correlation value between a received signal including the known identification signal inserted by the transmission device and the identification signal generated by the identification signal generator through a partial correlation; a power compensator for compensating power of the correlation value calculated by the partial correlator; and a channel profile extractor for extracting a channel profile from the correlation value compensated by the power compensator.

摘要翻译： 提供一种识别信号分析装置和方法，用于通过使用功率补偿来补偿在常规识别信号分析装置发生的信道分布的功率。 识别信号分析装置包括：识别信号发生器，用于产生与由传输装置插入的已知识别信号相同的识别信号; 一个部分相关器，用于计算包括由发送装置插入的已知识别信号的接收信号与由识别信号发生器通过部分相关产生的识别信号之间的相关值; 功率补偿器，用于补偿由所述部分相关器计算出的相关值的功率; 以及用于从由功率补偿器补偿的相关值中提取信道分布的信道分布提取器。

公开(公告)号：US08593984B2

公开(公告)日：2013-11-26

申请号：US13120756

申请日：2009-04-13

申请人： Sung-Ik Park ,  Heung-Mook Kim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Heung-Mook Kim ,  Soo-In Lee

IPC分类号： G01R31/08 ,  H04J1/16 ,  H04L1/00 ,  H04B7/185 ,  H04B7/00

CPC分类号： H04B7/2606

摘要： Provided is an apparatus and method for measuring an individual receiving power using an identification signal of a repeater or a transmitter. The apparatus and method includes a total receiving power measuring unit for measuring a total receiving power from transmitters; an identification signal analyzing unit for extracting a channel profile signal from the signal transmitted from the predetermined transmitter through a multi-path, wherein the predetermined transmitter transmits a signal having the identification signal; and an individual receiving power calculating unit for calculating an individual receiving power from the transmitter based on the measured total receiving power and the extracted channel profile signal.

摘要翻译： 提供了一种使用中继器或发射机的识别信号来测量各个接收功率的装置和方法。 该装置和方法包括用于测量来自发射机的总接收功率的总接收功率测量单元; 识别信号分析单元，用于从通过多路径从所述预定发射机发送的信号中提取信道分布信号，其中，所述预定发射机发送具有所述识别信号的信号; 以及个体接收功率计算单元，用于基于所测量的总接收功率和所提取的信道分布信号来计算来自发射机的各个接收功率。

公开(公告)号：US08514960B2

公开(公告)日：2013-08-20

申请号：US12517924

申请日：2007-12-05

申请人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04B7/02

CPC分类号： H04L25/03343 ,  H04H20/72 ,  H04L2025/03382

摘要： Provided are an apparatus and method for compensating a feedback path distortion in a digital broadcasting signal. The apparatus for improving a performance of a pre-equalizer in a transmitter of a digital broadcasting system having a feedback path for adaptively generating a filter coefficient of the pre-equalizer, includes a reference signal generator for generating a reference radio frequency (RF) signal, a feedback path estimator for estimating transmission band characteristic information for the feedback path based on the reference RF signal generated from the reference signal generator, and a feedback path compensator for compensating a demodulated signal transferred through the feedback path based on the estimated transmission band characteristic information from the feedback path estimator and generating a filter coefficient of the pre-equalizer.

摘要翻译： 提供了一种用于补偿数字广播信号中的反馈路径失真的装置和方法。 用于提高具有用于自适应地生成预均衡器的滤波器系数的反馈路径的数字广播系统的发送机中的前置均衡器的性能的装置包括：参考信号发生器，用于产生参考射频（RF）信号 基于从参考信号发生器产生的参考RF信号估计用于反馈路径的传输频带特性信息的反馈路径估计器，以及用于基于所估计的传输频带特性补偿通过反馈路径传送的解调信号的反馈路径补偿器 来自反馈路径估计器的信息并产生预均衡器的滤波器系数。

公开(公告)号：US20130129015A1

公开(公告)日：2013-05-23

申请号：US13813267

申请日：2011-07-29

申请人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Sung-Ik Park ,  Ho-Min Eum ,  Hyoungsoo Lim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Sung-Ik Park ,  Ho-Min Eum ,  Hyoungsoo Lim ,  Soo-In Lee

IPC分类号： H04H20/00

CPC分类号： H04H20/00 ,  H04H20/28 ,  H04H60/07 ,  H04N7/08 ,  H04N21/84 ,  Y02D70/168

摘要： The present invention relates to a method and apparatus for transceiving a broadcast signal in a digital broadcast system. The method for transmitting a broadcast signal according to one embodiment of the present invention comprises the following steps: generating a main signal using main data; generating an additional signal, the power of which is lower than that of the main signal, using a plurality of additional data; generating an additional signal frame using the additional signal and a frame header; and generating a broadcast signal using the main signal and an additional signal frame. The frame header is used in selectively extracting the plurality of additional data from the additional signal frame. According to the present invention, additional data can be efficiently transmitted while maintaining compatibility with existing digital broadcasting systems.

摘要翻译： 本发明涉及用于在数字广播系统中收发广播信号的方法和装置。 根据本发明的一个实施例的用于发送广播信号的方法包括以下步骤：使用主数据产生主信号; 使用多个附加数据产生其功率低于主信号的功率的附加信号; 使用附加信号和帧头生成附加信号帧; 以及使用主信号和附加信号帧产生广播信号。 帧头用于从附加信号帧中选择性地提取多个附加数据。 根据本发明，可以有效地发送附加数据，同时保持与现有数字广播系统的兼容性。