公开(公告)号：US20080130681A1

公开(公告)日：2008-06-05

申请号：US11978855

申请日：2007-10-29

申请人： Seung Eun Hong ,  Ho Jin Kwon ,  O Hyung Kwon ,  Soo In Lee

发明人： Seung Eun Hong ,  Ho Jin Kwon ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04J3/22 ,  H04J3/16

CPC分类号： H04L12/2801 ,  H04L47/34

摘要： Provided is a method by which a cable modem reports a downstream packet resequencing status to a cable modem termination system, and more particularly, a method of effectively reporting detailed information on a packet resequencing status by further defining a packet resequencing-related event and event-related information in a message reporting the packet resequencing status. The method by which a cable modem reports a resequencing status of the resequenced packets includes the steps of: when a packet resequencing-related event occurs, generating a resequencing status message (CM-STATUS) including packet sequence numbers of packets causing the event; transmitting a band allocation request message for requesting a cable modem termination system to allocate an upstream band for transmission of the resequencing status message; and transmitting the resequencing status message to the cable modem termination system over the upstream band allocated by the band allocation request message. More detailed resequencing status information, such as the remaining capacity of the receive buffer and the resequenced packet map, for more packet resequencing-related events compared to the conventional downstream packet resequencing status reporting method, is transmitted to the CMTS, such that the CMTS copes more flexibly with situations that may occur upon packet resequencing.

摘要翻译： 提供了一种电缆调制解调器向电缆调制解调器终端系统报告下行分组重新排序状态的方法，更具体地，涉及一种通过进一步定义分组重排相关事件和事件发生相关事件来有效地报告关于分组重新排序状态的详细信息的方法， 报告报文重新排序状态的消息中的相关信息。 电缆调制解调器报告重排序分组的重新排序状态的方法包括以下步骤：当发生分组重排相关事件时，生成包括导致该事件的分组的分组序列号的重新排序状态消息（CM-STATUS） 发送用于请求电缆调制解调器终端系统的频带分配请求消息，以分配用于传送所述重新排序状态消息的上行频带; 以及通过由频带分配请求消息分配的上行频带将重新排序状态消息发送到电缆调制解调器终端系统。 与传统的下游分组重排状态报告方法相比，更多的重排序状态信息，例如与传统下行分组重排序状态报告方法相比更多的分组重排相关事件的接收缓冲区和重排序分组映射的剩余容量，被传送到CMTS，使得CMTS处理 更灵活地应对在分组重新排序时可能发生的情况。

公开(公告)号：US08724996B2

公开(公告)日：2014-05-13

申请号：US13275349

申请日：2011-10-18

申请人： Woongshik You ,  Dong Joon Choi ,  Young Kwon Hahm ,  Soo In Lee

发明人： Woongshik You ,  Dong Joon Choi ,  Young Kwon Hahm ,  Soo In Lee

IPC分类号： H04J14/02 ,  H04B10/25

CPC分类号： H04L12/2801 ,  H04J14/023 ,  H04N7/17309 ,  H04N21/6118 ,  H04N21/6168

摘要： Provided are a transmission apparatus and a transmission method for a subscriber network in a cable network. A passive optical network (GPON) receiver receives data packets through a fiber line using a plurality of optical wavelengths from a head end. A micro cable modem termination system (CMTS) converts the data packets into a data over cable service interface specification (DOCSIS)-based DOCSIS frame and transmits the DOCSIS frame to at least one subscriber device through a coaxial line.

摘要翻译： 提供一种用于有线网络中的用户网络的传输装置和传输方法。 无源光网络（GPON）接收机通过光纤线路从头端使用多个光波长接收数据包。 微电缆调制解调器终端系统（CMTS）将数据分组转换为基于有线服务接口规范（DOCSIS）的DOCSIS帧，并通过同轴线路将DOCSIS帧发送到至少一个用户设备。

公开(公告)号：US08539236B2

公开(公告)日：2013-09-17

申请号：US12692266

申请日：2010-01-22

申请人： Young Ho Jeong ,  Eun Jung Kwon ,  O Hyung Kwon ,  Soo In Lee

发明人： Young Ho Jeong ,  Eun Jung Kwon ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04L29/06

CPC分类号： H04N21/26613 ,  H04L9/3247 ,  H04L9/3263 ,  H04L9/3273 ,  H04L63/061 ,  H04L63/0823 ,  H04L63/126 ,  H04L2209/56 ,  H04L2209/76 ,  H04N21/4181 ,  H04N21/4623 ,  H04N21/6334 ,  H04N21/8166

摘要： Provided is a re-authentication apparatus in a Downloadable Conditional Access System (DCAS), the re-authentication apparatus includes: a receiving unit to receive a key request message from a Secure Micro (SM); a determination unit to determine whether to perform re-authentication depending on downloading of SM client image; an identification unit to identify an SM identifier using the key request message, when the re-authentication is performed as a result of the determination; an extraction unit to retrieve previous session information corresponding to the SM identifier and to extract keying information about the previous session information; and an encryption unit to control an encryption key about the SM client image to be reused, the SM client image being encrypted in a previous session based on the previous session information using the keying information.

摘要翻译： 提供了一种可下载条件接入系统（DCAS）中的重认证装置，重认证装置包括：接收单元，用于从安全微（SM）接收密钥请求消息; 确定单元，用于根据SM客户端图像的下载来确定是否执行重新认证; 当作为所述确定的结果执行所述重新认证时，使用所述密钥请求消息来识别SM标识符的识别单元; 提取单元，用于检索与所述SM标识符相对应的先前会话信息，并提取关于所述先前会话信息的密钥信息; 以及加密单元，用于基于使用所述密钥信息的先前会话信息来控制关于要再次使用的SM客户端图像的加密密钥，所述SM客户端图像在先前会话中被加密。

公开(公告)号：US08392722B2

公开(公告)日：2013-03-05

申请号：US12191374

申请日：2008-08-14

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

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

IPC分类号： G06F21/00

CPC分类号： H04N7/163 ,  H04N7/17318 ,  H04N21/254 ,  H04N21/25816 ,  H04N21/44236 ,  H04N21/4586 ,  H04N21/8193

摘要： Provided is a digital cable system and method for protecting a secure micro (SM) client, and more particularly, a digital cable system and method for protecting an SM program that can improve the security of an SM program through authentication of a host and integrity verification of the SM program. A method of protecting an SM program includes: receiving host authentication information associated with a host from a trusted authority; verifying validity of the secure micro program based on the host authentication information; and sending, to an authentication proxy, a HostStateInformation message that includes host state information associated with validity verification information of the SM program.

摘要翻译： 提供了一种用于保护安全微服务（SM）客户端的数字电缆系统和方法，更具体地说，一种用于保护SM程序的数字有线系统和方法，该SM程序可以通过对主机的认证和完整性验证来提高SM程序的安全性 的SM程序。 一种保护SM程序的方法包括：从可信管理机构接收与主机相关的主机认证信息; 基于主机认证信息验证安全微程序的有效性; 以及向认证代理发送包括与SM程序的有效性验证信息相关联的主机状态信息的HostStateInformation消息。

公开(公告)号：US08260919B2

公开(公告)日：2012-09-04

申请号：US12546851

申请日：2009-08-25

申请人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

发明人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： G06F15/173

CPC分类号： G06F21/6218 ,  G06F21/33 ,  G06F2221/2151 ,  H04L63/062 ,  H04L63/0823 ,  H04L63/0884

摘要： A method of controlling a download load of a Secure Micro (SM) client in a Downloadable Conditional Access System (DCAS) is provided. The method of controlling a download load of an SM client including: analyzing version information of SMs and version information of SM clients to control the download load generated in the DCAS, the version information of the SMs and the version information of the SM clients being provided from an Authentication Proxy (AP) server, and the SM clients being installed in the SMs; determining a download policy associated with a download time of a target SM client for the SMs based on a result of the analysis; and providing the AP server with the determined download policy.

摘要翻译： 提供了一种在可下载条件访问系统（DCAS）中控制安全微服务（SM）客户端的下载负载的方法。 控制SM客户端的下载负载的方法包括：分析SM的版本信息和SM客户端的版本信息，以控制DCAS中生成的下载负载，SM的版本信息和提供的SM客户端的版本信息 来自认证代理（AP）服务器和SM中安装的SM客户端; 基于所述分析的结果，确定与所述SM的目标SM客户端的下载时间相关联的下载策略; 以及向AP服务器提供所确定的下载策略。

公开(公告)号：US20100153710A1

公开(公告)日：2010-06-17

申请号：US12546859

申请日：2009-08-25

申请人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

发明人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04L9/32

CPC分类号： H04L63/0876 ,  H04L9/3073 ,  H04L9/321 ,  H04L9/3247 ,  H04L63/0884 ,  H04N21/45

摘要： A method of verifying a validity of a Secure Micro (SM) is provided. The method of verifying a validity of an SM, the method including: storing and maintaining a validity verification message used to verify the validity of the SM, the validity verification message being generated by a Trusted Authority (TA) based on unique information of the SM, and the SM and the TA sharing the unique information of the SM; and verifying the validity of the SM using the validity verification message and the unique information shared by the SM, when an SM client is executed.

摘要翻译： 提供了一种验证安全Micro（SM）的有效性的方法。 验证SM的有效性的方法，该方法包括：存储和维护用于验证SM的有效性的有效性验证消息，该有效性验证消息是由可信管理机构（TA）根据SM的唯一信息生成的 ，SM和TA共享SM的独特信息; 并且当执行SM客户端时，使用有效性验证消息和SM共享的唯一信息来验证SM的有效性。

公开(公告)号：US20100125733A1

公开(公告)日：2010-05-20

申请号：US12551453

申请日：2009-08-31

申请人： Soon Choul Kim ,  O Hyung Kwon ,  Soo In Lee

发明人： Soon Choul Kim ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04L9/32 ,  G06F9/44

CPC分类号： H04L9/3273 ,  G06F8/60 ,  H04L9/3247 ,  H04L63/08 ,  H04L2209/60 ,  H04N21/25816 ,  H04N21/42623 ,  H04N21/4367 ,  H04N21/4623 ,  H04N21/8193 ,  H04N21/835

摘要： Provided are a Downloadable Conditional Access System (DCAS), and a channel setting method and a message format for a 2-way communication between a terminal and an authentication server in the DCAS. The DCAS may include: a verification unit to verify an electronic signature and an integrity with respect to a message received from the authentication server; an extraction unit to extract network access information of the authentication server from the message in which the electronic signature and the integrity are verified; and a channel setting unit to set a communication channel with the authentication server based on the extracted network access information.

摘要翻译： 提供了一种可下载条件访问系统（DCAS），以及用于DCAS中的终端和认证服务器之间的双向通信的信道设置方法和消息格式。 DCAS可以包括：验证单元，用于验证相对于从认证服务器接收的消息的电子签名和完整性; 提取单元，用于从验证电子签名和完整性的消息中提取认证服务器的网络访问信息; 以及信道设置单元，用于基于所提取的网络访问信息来设置与认证服务器的通信信道。

公开(公告)号：US20090138957A1

公开(公告)日：2009-05-28

申请号：US12144749

申请日：2008-06-24

申请人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

发明人： Young Ho Jeong ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： G06F21/00

CPC分类号： H04L63/0281 ,  H04L63/10 ,  H04L2463/101 ,  H04N7/165 ,  H04N7/17318 ,  H04N21/25816 ,  H04N21/41407 ,  H04N21/4181 ,  H04N21/63345

摘要： A method of supporting a mobility of a Downloadable Conditional Access System (DCAS) host is provided. The method includes: by the second authentication proxy server: performing mutual authentication with a secure micro of the host to generate a session key; requesting an integrated personalization system to download a secure micro client to the host, wherein the secure micro client is encoded using the session key; and transmitting, to a DPS, mapping information between the second authentication proxy server and the secure micro of the host, wherein, in response to receiving the mapping information, the DPS instructs a CAS server to transmit an entitlement management message to the network of the second authentication proxy server without transmitting the entitlement management message to the network of the first authentication proxy server.

摘要翻译： 提供了一种支持可下载条件访问系统（DCAS）主机的移动性的方法。 该方法包括：由第二认证代理服务器执行与主机的安全微处理器的相互验证以产生会话密钥; 请求集成个性化系统将安全的微客户端下载到所述主机，其中所述安全微客户端使用会话密钥进行编码; 以及向所述第二认证代理服务器和所述主机的安全微系统之间传送DPS映射信息，其中响应于接收到所述映射信息，所述DPS指示CAS服务器向所述主机的网络发送授权管理消息 第二认证代理服务器，而不向第一认证代理服务器的网络发送授权管理消息。

公开(公告)号：US20090016218A1

公开(公告)日：2009-01-15

申请号：US11947519

申请日：2007-11-29

申请人： Seung Eun HONG ,  Ho Jin Kwon ,  O Hyung Kwon ,  Soo In Lee

发明人： Seung Eun HONG ,  Ho Jin Kwon ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04L12/56

CPC分类号： H04L47/10 ,  H04L47/263 ,  H04L47/30 ,  H04N21/2221 ,  H04N21/2402

摘要： Provided is a method of controlling the flow of downstream traffic in a cable network headend. The method includes the steps of: establishing a session with the modulator; transferring traffic to the modulator over the session; and receiving a buffer-status reporting message reporting the status of a receive buffer from the modulator while transferring the traffic. The method reports buffer-status information of an Edge-Quadrature Amplitude Modulator (E-QAM) to a traffic source, thereby enabling control of the transfer rate of traffic transferred from the traffic source to the E-QAM and preventing overflow/underflow of a receive buffer, packet loss and deterioration of channel use.

摘要翻译： 提供了一种控制有线网络前端中的下行业务流量的方法。 该方法包括以下步骤：与调制器建立会话; 在会话中将流量传送到调制器; 以及在传送业务量的同时从调制器接收报告接收缓冲器的状态的缓冲器状态报告消息。 该方法将边缘正交幅度调制器（E-QAM）的缓冲器状态信息报告给流量源，从而能够控制从业务源传输到E-QAM的业务的传输速率，并防止一个 接收缓冲区，丢包和信道使用恶化。

公开(公告)号：US09124863B2

公开(公告)日：2015-09-01

申请号：US13328713

申请日：2011-12-16

申请人： Hong-Chang Shin ,  Gun Bang ,  Gi-Mun Um ,  Tae One Kim ,  Eun Young Chang ,  Nam Ho Hur ,  Soo In Lee

发明人： Hong-Chang Shin ,  Gun Bang ,  Gi-Mun Um ,  Tae One Kim ,  Eun Young Chang ,  Nam Ho Hur ,  Soo In Lee

IPC分类号： H04N13/00 ,  H04N13/02

CPC分类号： H04N13/111 ,  H04N13/117 ,  H04N13/156 ,  H04N13/239 ,  H04N13/243

摘要： A device for creating multi-view video contents includes a virtual view position and distribution unit that calculates a plurality of virtual views corresponding to the number of predetermined virtual views based on input information and distributes the calculated positions of the plurality of virtual views to a plurality of view synthesis processing units; a view synthesis processor that operates the plurality of view synthesis processing units in parallel, allows each of the view synthesis processing units to create at least one virtual view video corresponding to a position of at least one virtual view distributed from the virtual view position calculation and distribution unit, and performs partial multiplexing based on at least one created virtual view video; and a video integration unit that integrates a plurality of partially multiplexed videos output from the plurality of view synthesis processing units.

摘要翻译： 一种用于创建多视点视频内容的设备包括虚拟视图位置和分发单元，其基于输入信息计算与预定虚拟视图的数量相对应的多个虚拟视图，并且将计算出的多个虚拟视图的位置分配给多个 视图合成处理单元; 并行地操作多个视图合成处理单元的视图合成处理器允许每个视图合成处理单元创建与从虚拟视图位置计算分发的至少一个虚拟视图的位置对应的至少一个虚拟视图视频，以及 分发单元，并且基于至少一个创建的虚拟视频视频执行部分复用; 以及集成了从所述多个视点合成处理单元输出的多个部分多路复用视频的视频整合单元。