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公开(公告)号:US20030200549A1
公开(公告)日:2003-10-23
申请号:US10446877
申请日:2003-05-27
IPC分类号: H04N007/173 , H04N007/16 , H04N007/12 , H04N011/02 , H04N011/04
CPC分类号: H04H60/94 , H04H20/38 , H04L12/2801 , H04L12/2856 , H04L12/2883 , H04L12/4633 , H04L47/2408 , H04M11/062 , H04N7/108 , H04N7/148 , H04N7/173 , H04N7/17336 , H04N21/47202 , H04N21/47208 , H04N21/6125 , H04N21/64784 , H04N21/6587
摘要: An architecture for distributing digital information to subscriber units wherein selection from among multiple digital services is accomplished by transmitting a tuning command from a subscriber unit to an intermediate interface. The intermediate interface selects the desired service from a broadband network and transmits it to the subscriber unit over a bandwidth-constrained access line. The bandwidth-constrained access line may be implemented with existing infrastructure, yet the subscriber unit may access a wide variety of digital information -available on the broadband network. Universal broadband access is thus provided at low cost.
摘要翻译: 一种用于向用户单元分发数字信息的架构,其中通过从调谐命令从用户单元传送到中间接口来实现多个数字服务中的选择。 中间接口从宽带网络中选择所需的服务,并通过带宽受限的接入线路将其发送到用户单元。 带宽限制的接入线路可以用现有的基础设施来实现,但用户单元可以访问在宽带网络上可用的各种数字信息。 因此以低成本提供通用宽带接入。