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    • 2. 发明授权
    • Method and system for providing content remotely via one or more IP multimedia residential gateways
    • 通过一个或多个IP多媒体住宅网关远程提供内容的方法和系统
    • US09560118B2
    • 2017-01-31
    • US14085227
    • 2013-11-20
    • Broadcom Corporation
    • Gordon Yong LiXuemin Chen
    • G06F15/16H04L29/08H04N21/61H04N21/63H04N21/8355H04L29/06
    • H04L67/10H04L65/103H04L65/40H04L67/30H04L67/303H04L67/306H04N21/6125H04N21/632H04N21/8355
    • An IP multimedia gateway (IMG) receives content sharing service profiles generated by a service manager for communication devices that are coupled to the IMG. Content and/or content information that is received for communication to a first device, is communicated to other devices in response to a request. Content sharing profiles comprise permissions, group members, user preferences, device capabilities and security profiles. Content streams communicated to the first device may be shared with a second device based on the profiles. The second device may share additional streams with the first device. The first device or other devices may communicate the request. The content may be received from a service manager network device. The IMG and a communication device that may display the content may be integrated in a set-top-box or digital TV. Login access is enabled to devices for requesting content. Cooperation with other IMGs may enable discovery and/or content communication.
    • IP多媒体网关(IMG)接收由服务管理器为耦合到IMG的通信设备生成的内容共享服务简档。 接收用于与第一设备的通信的内容和/或内容信息响应于请求被传送到其他设备。 内容共享配置文件包括权限,组成员,用户首选项,设备功能和安全配置文件。 传送到第一设备的内容流可以基于简档与第二设备共享。 第二设备可以与第一设备共享附加流。 第一设备或其他设备可以通信请求。 可以从服务管理器网络设备接收内容。 可以将IMG和可以显示内容的通信设备集成在机顶盒或数字电视机中。 启用登录访问权限用于请求内容的设备。 与其他IMG的合作可以实现发现和/或内容通信。
    • 3. 发明申请
    • Network Function Virtualization Security and Trust System
    • 网络功能虚拟化安全和信任系统
    • US20170012975A1
    • 2017-01-12
    • US14818033
    • 2015-08-04
    • Broadcom Corporation
    • Nicholas IlyadisXuemin ChenPhilippe KleinAriel HendelKumaran David Siva
    • H04L29/06
    • H04L63/20H04L63/08H04L63/0876H04L63/102
    • A network function virtualization security and trust system includes a network device that operates as a virtualized network device with virtualized services provided on the network device by network nodes included in the system. Security and trust within the system can include hardware authentication of the network nodes and the network device to obtain a level of security of the hardware provisioning the operation of the virtualized services. Security and trust can also include authentication of the services being used on the virtualized network device. Services authentication can be based on monitoring and analysis of the cooperative operation of the services in the virtualized network device. The virtualized services can be dynamically changed, added or stopped. Hardware authentication and dynamic services authentication in accordance with changes in the virtualized services can dynamically maintain a level of security across the devices and the virtualized services.
    • 网络功能虚拟化安全和信任系统包括网络设备,其作为具有由网络设备提供的虚拟化服务的虚拟化网络设备,该网络设备包括在系统中的网络节点。 系统内的安全性和信任度可以包括网络节点和网络设备的硬件认证,以获得虚拟化服务运行的硬件配置的安全级别。 安全和信任还可以包括在虚拟化网络设备上使用的服务的认证。 服务认证可以基于对虚拟化网络设备中服务的协同操作的监控和分析。 虚拟化服务可以动态更改,添加或停止。 根据虚拟化服务的变化,硬件认证和动态服务认证可以动态地维护整个设备和虚拟化服务的安全级别。
    • 5. 发明授权
    • Handling video transition errors in video on demand streams
    • 处理视频点播流中的视频转换错误
    • US09467752B2
    • 2016-10-11
    • US14484848
    • 2014-09-12
    • Broadcom Corporation
    • Xuemin ChenJiang FuDavid P. Bogosh
    • H04L27/06H04N21/8547H04N7/173H04N5/06H04N21/43H04N21/44H04N21/472
    • H04N21/8547H04N5/06H04N7/173H04N7/17309H04N21/4305H04N21/4307H04N21/44008H04N21/47217
    • A system, method, and apparatus for handling transition errors is presented herein. The transition errors include handling unreported time base discontinuities during trick mode transition, miscalculated time stamps during trick mode transition, erroneous sequence end codes, and unreported broken group of picture transmission. Unreported time base discontinuities are detected by comparing the program clock reference (PCR) value of the data packet to the system time clock (STC). If the difference exceeds a predetermined threshold, the STC is set to the PCR value. Miscalculated time stamps are detected by examining the difference in PTS values between temporally adjacent data packets. If the difference is not within a margin of error from predetermined value, the PTS is disabled. Unreported broken groups of pictures are handled by skipping the first two B-frames of the first group of pictures following a trick mode transition. Erroneous sequence end codes are detected by determining whether a packet containing a sequence end code is associated with a time base change. If the packet is not associated with a time base change, the sequence end code is disregarded.
    • 本文介绍了一种处理转换错误的系统,方法和装置。 转换错误包括在特技模式转换期间处理未报告的时基不连续性,在特技模式转换期间的错误计时时间戳,错误序列结束代码和未报告的断开的图像传输组。 通过将数据包的程序时钟参考(PCR)值与系统时钟(STC)进行比较来检测未报告的时基不连续性。 如果差异超过预定阈值,则将STC设置为PCR值。 通过检查时间上相邻的数据包之间的PTS值的差异来检测错误计时时间戳。 如果差异不在预定值的误差范围内,则PTS被禁用。 通过在特技模式转换之后跳过第一组图像的前两个B帧来处理未报告的断开的图像组。 通过确定包含序列结束码的分组是否与时基变化相关联来检测错误的序列结束码。 如果分组不与时基变化相关联,则忽略序列结束代码。