公开(公告)号：US20070133672A1

公开(公告)日：2007-06-14

申请号：US11634495

申请日：2006-12-06

申请人： Jae-Ho Lee ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Jae-Ho Lee ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H03H7/30

CPC分类号： H04L25/0307 ,  H04L2025/0349 ,  H04L2025/0363 ,  H04L2025/03656 ,  H04L2025/03687 ,  H04L2025/037

摘要： A decision feedback equalizing apparatus selectively using a feedback filter and a method thereof are provided. The apparatus includes: an equalizing unit including a feed forward filter (FFF) for correcting a distorted transmission channel by receiving a match-filtered signal and a feedback filter (FBF) for reducing inter symbol interference ISI of the corrected transmission channel for driving only the FFF in a blind mode and driving the FFF and the FBF in a decision directed mode; a diverge/converge determining unit for determining whether the decision feedback equalizing apparatus is diverged or converged using a unit square error obtained through a least unit square algorithm; and a filter controlling unit for controlling the equalizing unit in a blind mode if the decision feedback equalizing apparatus is determined as divergence, and for controlling the equalizing unit in a decision directed mode if the decision feedback equalizing apparatus is determined as convergence.

摘要翻译： 提供了选择性地使用反馈滤波器的判定反馈均衡装置及其方法。 该装置包括：均衡单元，包括用于通过接收匹配滤波信号来校正失真传输信道的前馈滤波器（FFF）和用于减少仅用于驱动的​​纠错传输信道的符号间干扰ISI的反馈滤波器（FBF） FFF处于盲模式，并以决策导向模式驱动FFF和FBF; 分散/收敛确定单元，用于使用通过最小单位平方算法获得的单位平方误差来确定判定反馈均衡装置是否发散或收敛; 以及滤波器控制单元，如果判定反馈均衡装置被确定为发散，则以盲模式控制均衡单元，并且如果判定反馈均衡装置被确定为收敛则用于以判决指导模式控制均衡单元。

公开(公告)号：US20070058677A1

公开(公告)日：2007-03-15

申请号：US11520942

申请日：2006-09-13

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

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

IPC分类号： H04N7/173 ,  H04J3/22

CPC分类号： H04L12/2801

摘要： Provided is a method for providing a service based on a subscriber level. The method includes the steps of: a) initializing a Data Back-off Start (DBS) value and a Data Back-off End (DBE) value; b) acquiring subscriber information from an external management system; c) acquiring service flow identifier (SFID) and service identifier (SID) information from an object model for quality of service (QoS) based on information on Service Class Name (SCN) of the subscriber acquired in the step b); d) creating manufacturing automation protocol (MAP) according to a priority by grasping the SID information based on the service level and controlling the DBS value and the DBE value of a cable modem (CM); and e) transmitting the created MAP to the cable modem.

摘要翻译： 提供了一种基于用户级提供服务的方法。 该方法包括以下步骤：a）初始化数据备份启动（DBS）值和数据退回结束（DBE）值; b）从外部管理系统获取用户信息; c）基于在步骤b）中获取的用户的服务类别名称（SCN）的信息，从服务质量（QoS）的对象模型获取服务流标识符（SFID）和服务标识符（SID）信息; d）通过基于服务级别掌握SID信息并控制电缆调制解调器（CM）的DBS值和DBE值，根据优先级创建制造自动化协议（MAP）; 以及e）将所创建的MAP发送到电缆调制解调器。

公开(公告)号：US20070039061A1

公开(公告)日：2007-02-15

申请号：US11483999

申请日：2006-07-10

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

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

IPC分类号： G06F11/00

CPC分类号： G06F21/575 ,  H04L63/1441

摘要： Provided is a method for securing cable modem (CM) following a Data Over Cable Service Interface Specification (DOCSIS) against physical security attacks. The method includes the steps of: a) classifying information to be stored in the DOCSIS CM based on a requirement degree of confidentiality and anti-alteration; b) storing the information in a non-volatile memory of the DOCSIS CM when the information is absolute confidential information, but processing a mechanism for deleting the information stored in the non-volatile memory in case that attacks by a hacker is sensed; c) storing the information in the non-volatile memory of the DOCSIS CM when the information is middle-level security information; and d) storing the information in a write-once (WO) memory of the DOCSIS CM when the information is absolute anti-alteration information.

摘要翻译： 提供了一种用于保护电缆调制解调器（CM）的方法，该电缆调制解调器（CM）遵循电缆数据服务接口规范（DOCSIS），防止物理安全攻击。 该方法包括以下步骤：a）根据需要的机密性和抗变形度对DOCSIS CM中存储的信息进行分类; b）当信息是绝对机密信息时，将信息存储在DOCSIS CM的非易失性存储器中，但是在感测到黑客的攻击的情况下处理用于删除存储在非易失性存储器中的信息的机制; c）当信息是中级安全信息时，将信息存储在DOCSIS CM的非易失性存储器中; 以及d）当所述信息是绝对抗变换信息时，将信息存储在DOCSIS CM的一次写入（WO）存储器中。

公开(公告)号：US20070011585A1

公开(公告)日：2007-01-11

申请号：US11318627

申请日：2005-12-28

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

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

IPC分类号： H03M13/35

CPC分类号： H03M13/1515 ,  H03M13/155 ,  H03M13/353 ,  H03M13/6516

摘要： A programmable error correcting device is disclosed. The programmable error correcting device includes a controller for receiving information about a length of a codeword, an error correcting capacity, whether of not a shortened codeword mode is supported and a total byte number of burst data and outputting a control signal; a preprocessor for dividing input information data by a length of information byte in a codeword and outputting the divided input information data with a valid data indicating signal in response to the control signal input from the controller for an error correcting coding; and a coder for deciding a structure for an error correcting encoding according to the control signal inputted from the controller and performing an error correcting encoding on information data inputted from the preprocessor according to the decided structure.

摘要翻译： 公开了一种可编程误差校正装置。 可编程错误校正装置包括：控制器，用于接收关于码字的长度的信息，纠错能力，是否支持缩短的码字模式，以及总字节数的突发数据并输出控制信号; 用于将输入信息数据除以码字中的信息字节的长度并且响应于从控制器输入的用于纠错编码的控制信号，输出具有有效数据指示信号的分割输入信息数据的预处理器; 以及编码器，用于根据从控制器输入的控制信号来确定用于纠错编码的结构，并根据所确定的结构对从预处理器输入的信息数据执行纠错编码。

公开(公告)号：US20060153224A1

公开(公告)日：2006-07-13

申请号：US11299214

申请日：2005-12-08

申请人： Woong-Shik You ,  Joon-Young Jung ,  Yong-Seong Cho ,  Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Woong-Shik You ,  Joon-Young Jung ,  Yong-Seong Cho ,  Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04L12/43

CPC分类号： H04L12/2801 ,  H04L12/2854

摘要： Provided is apparatus and method for transforming cable channel. The apparatus includes a data mixing unit for receiving and mixing a band data and a first broadband data, to thereby generate a second broadband data of a broadband cable channel, and a channel adapting unit for dividing a band data from the second broadband data received through the broadband cable channel, bypassing the second broadband data to a first subscriber apparatus and transmitting the band data to a second subscriber apparatus.

公开(公告)号：US20060130110A1

公开(公告)日：2006-06-15

申请号：US11212153

申请日：2005-08-25

申请人： Yong-Seong Cho ,  Woongshik You ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Yong-Seong Cho ,  Woongshik You ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04N7/173 ,  H04N7/16

CPC分类号： H04N21/6118 ,  H04L12/66 ,  H04N7/163 ,  H04N21/23614 ,  H04N21/4181 ,  H04N21/42676 ,  H04N21/4344 ,  H04N21/4348 ,  H04N21/436 ,  H04N21/437

摘要： An apparatus for receiving MPEG-2 A/V data by using a cable MODE is disclosed. The apparatus includes: a cable MODEM for separating broadcasting data and broadcasting supplementary data by demodulating an input signal; and a multiplexer for multiplexing the separated broadcasting data from the cable MODEM with broadcasting data inputted from other input source, and outputting the multiplexed broadcasting data to an external cable card.

摘要翻译： 公开了一种通过使用电缆MODE来接收MPEG-2A / V数据的装置。 该装置包括：电缆MODEM，用于通过解调输入信号来分离广播数据和广播补充数据; 以及多路复用器，用于将来自电缆MODEM的分离的广播数据与从其他输入源输入的广播数据进行复用，并将多路复用的广播数据输出到外部有线电视卡。

公开(公告)号：US20050135617A1

公开(公告)日：2005-06-23

申请号：US10950328

申请日：2004-09-23

申请人： Yong-Seong Cho ,  Joon-Young Jung ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Yong-Seong Cho ,  Joon-Young Jung ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04L9/06 ,  H04L9/18 ,  H04L9/00 ,  H04N7/167

CPC分类号： H04L9/065 ,  H04L9/0618 ,  H04L2209/12 ,  H04L2209/24 ,  H04L2209/601 ,  H04N7/1675 ,  H04N21/2347 ,  H04N21/23895 ,  H04N21/26609

摘要： The apparatus and method for scrambling high-rate data is disclosed. The apparatus includes a first storing unit for storing a transport stream (TS) inputted from an external device; a common key (CK) generating unit for generating a CK by receiving a control word (CW) from an external conditional access system (CAS); a key scheduling unit for generating predetermined number of keys (KK)s by receiving the CK from the CK generating unit; a plurality of enciphering units for enciphering the TS transmitted from the first storing unit based on the predetermined number of KKs and the CK; a second storing unit for storing the TS enciphered by the enciphering units and outputting the enciphered TS; and a controlling unit for controlling the multiple enciphering units.

摘要翻译： 公开了用于扰乱高速率数据的装置和方法。 该装置包括：第一存储单元，用于存储从外部设备输入的传输流（TS）; 公共密钥（CK）生成单元，用于通过从外部条件访问系统（CAS）接收控制字（CW）来生成CK; 密钥调度单元，用于通过从CK生成单元接收CK来生成预定数量的密钥（KK）; 多个加密单元，用于基于预定数量的KK和CK来加密从第一存储单元发送的TS; 第二存储单元，用于存储由加密单元加密的TS并输出加密的TS; 以及用于控制多个加密单元的控制单元。

公开(公告)号：US07383562B2

公开(公告)日：2008-06-03

申请号：US10439818

申请日：2003-05-16

申请人： Yong-Seong Cho ,  Joon-Young Jung ,  O-Hyung Kwon ,  Chieteuk Ahn

发明人： Yong-Seong Cho ,  Joon-Young Jung ,  O-Hyung Kwon ,  Chieteuk Ahn

IPC分类号： H04N7/20

CPC分类号： H04N21/4181 ,  H04N7/163 ,  H04N7/1675 ,  H04N7/17318 ,  H04N21/23608 ,  H04N21/26606 ,  H04N21/4345 ,  H04N21/4623 ,  H04N21/6118 ,  H04N21/6168

摘要： A restricted reception device enabling a subscriber receiver to selectively receive broadcasting data transferred via a digital cable broadcasting network, includes: a demultiplexer for receiving broadcasting data and an ECM including a CW from the subscriber receiver, and demultiplexing them, the broadcasting data and the ECM being transferred through an in-band channel; an out-of-band channel signal processor for receiving an EMM from the subscriber receiver, and processing the EMM, the EMM being transferred through an out-of-band channel; a restricted reception processor for descrambling the scrambled broadcasting data using the ECM and the EMM received from the out-of-band channel signal processor; and a remultiplexer for multiplexing the descrambled broadcasting data received from the restricted reception processor, and sending the multiplexed broadcasting data to the subscriber receiver.

摘要翻译： 允许用户接收机选择性地接收经由数字有线广播网络传送的广播数据的受限接收装置包括：解复用器，用于从用户接收机接收广播数据和包括CW的ECM，并对它们进行解复用，广播数据和ECM 通过带内频道传输; 用于从所述用户接收机接收EMM的带外信道信号处理器，以及处理所述EMM，所述EMM通过带外信道传送; 限制接收处理器，用于使用ECM和从带外信道信号处理器接收的EMM来解扰加扰的广播数据; 以及多路复用器，用于复用从受限接收处理器接收的解扰频广播数据，并将多路复用广播数据发送给用户接收机。

公开(公告)号：US07690015B2

公开(公告)日：2010-03-30

申请号：US10029943

申请日：2001-12-31

申请人： Joon-Young Jung ,  Joon-Young Choi ,  Byung-Jun Bae ,  O-Hyung Kwon ,  Chieteuk Ahn

发明人： Joon-Young Jung ,  Joon-Young Choi ,  Byung-Jun Bae ,  O-Hyung Kwon ,  Chieteuk Ahn

IPC分类号： H04N7/20

CPC分类号： H04H20/78 ,  H04H40/90 ,  H04N7/10 ,  H04N21/23608 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2665 ,  H04N21/6118

摘要： A PSI converter includes: a protocol data extractor, a protocol data converter, a protocol data inserter, and a system controller. The protocol data extractor is configured for demultiplexing a terrestrial broadcasting TS or a satellite broadcasting TS, and extracting audio/video data and PSIP/PSI data or audio/video data and SI/PSI data from the terrestrial broadcasting TS or the satellite broadcasting TS, respectively. The protocol data converter is configured for converting the PSIP/PSI data or the SI/PSI data into PSIP/PSI data of a corresponding digital cable television broadcasting standard. The protocol data inserter is configured for inserting the digital cable television broadcasting standard PSIP/PSI data into the audio/video data extracted by the protocol data extractor though TS multiplexing, and generating a digital cable broadcasting TS. The system controller is configured for checking the protocol data extractor, the protocol data converter, and the protocol data inserter, and controlling their operation.

摘要翻译： PSI转换器包括：协议数据提取器，协议数据转换器，协议数据插入器和系统控制器。 协议数据提取器被配置用于解复用地面广播TS或卫星广播TS，并从地面广播TS或卫星广播TS提取音频/视频数据和PSIP / PSI数据或音频/视频数据和SI / PSI数据， 分别。 协议数据转换器被配置为将PSIP / PSI数据或SI / PSI数据转换成相应的数字有线电视广播标准的PSIP / PSI数据。 协议数据插入器被配置为通过TS复用将数字有线电视广播标准PSIP / PSI数据插入由协议数据提取器提取的音频/视频数据，并且生成数字有线广播TS。 系统控制器配置用于检查协议数据提取器，协议数据转换器和协议数据插入器，并控制其操作。