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    • 9. 发明授权
    • Method and apparatus for integrating interactive local internet access
and downstream data transfer over a cable TV system with upstream data
carried by other media
    • 用于集成交互式本地互联网接入和通过有线电视系统的下游数据传输与其他媒体携带的上行数据的方法和装置
    • US6141682A
    • 2000-10-31
    • US243980
    • 1999-02-04
    • Keith R Barker
    • Keith R Barker
    • H04L12/28H04N21/462H04N21/4782H04N7/10H04H1/10H04H1/14H04N7/14
    • H04L12/2874H04L12/2856H04N21/4622H04N21/4782
    • A method and apparatus for communicating between information service provider systems (ISPS) and customer premise equipment (CPE) is provided. The method includes the steps of: (a) transmitting a request for information from a requesting CPE on the upstream communication path, the request including a type of information; (b) based upon the type of information requested, routing the request to a selected ISPS coupled upstream and a selected ISPS coupled downstream; (c) receiving the requested information from the selected ISPS coupled upstream and the request for information from the selected ISPS coupled downstream on the downstream communication path at an associated one of a plurality of cable distribution devices, wherein the associated cable distribution device serves the requesting CPE; (d) wherein when the associated cable distribution device receives the request, routing the request to and receiving the requested information from the selected ISPS coupled downstream; (e) forming a composite signal which includes the requested information from the selected ISPS coupled upstream and the selected ISPS coupled downstream; and (f) distributing the composite signal on the cable transmission channels of the downstream path from the associated cable distribution device to the requesting CPE.
    • 提供了用于在信息服务提供商系统(ISPS)和客户驻地设备(CPE)之间进行通信的方法和装置。 该方法包括以下步骤:(a)从上游通信路径上的请求CPE发送对信息的请求,该请求包括一种信息; (b)基于所请求的信息的类型,将所述请求路由到耦合上游的所选择的ISPS和耦合到下游的所选择的ISPS; (c)从多个电缆分配设备中相关联的一个电缆分配设备接收来自所选择的耦合上游的ISPS的所请求的信息以及在所述下游通信路径上耦合的所选ISPS的信息的请求,其中所述相关联的电缆分配设备服务于所述请求 CPE; (d)其中当相关联的电缆分配装置接收到请求时,将所请求的信息从所选择的ISPS耦合的下行路由到并接收所请求的信息; (e)形成复合信号,该复合信号包括从所选择的耦合上游的ISPS和所选择的ISPS耦合的下游所需的信息; 和(f)将复合信号分配到下游路径的有线传输信道上,从相关的电缆分配设备到请求的CPE。
    • 10. 发明授权
    • Data communication using network DCE and modified channel associated
signaling
    • 数据通信使用网络DCE和修改的信道相关信令
    • US5995494A
    • 1999-11-30
    • US896028
    • 1997-07-17
    • Kiyotaka Horikawa
    • Kiyotaka Horikawa
    • H04M3/00H04M11/00H04W76/02H04W88/16H04W92/02H04B7/00H04H1/10H04L5/22
    • H04W76/02H04W88/16H04W92/02
    • In a data communication system, the controller of a mobile switching center is initially responsive to a request message from a mobile user for supplying a single-bit setup message to an interworking unit via a signaling channel exclusively associated with a data channel. In response, the interworking unit activates an associated network DCE within the mobile switching center and returns a single-bit first response message to the controller. In response, the controller returns an ACK message to the mobile user to allow the data channel to be established between the mobile user and the local DCE. When the data channel is established, the interworking unit returns a single-bit second response message to the controller to allow the data channel to extend to a destination DCE and allow handshaking to proceed between the network DCE and the destination DCE via the interworking unit, using the network DCE as a local DCE of the mobile user.
    • 在数据通信系统中,移动交换中心的控制器首先响应于来自移动用户的请求消息,通过专用于数据信道的信令信道将单位建立消息提供给互通单元。 作为响应,互通单元激活移动交换中心内的相关网络DCE,并向控制器返回单位第一响应消息。 作为响应,控制器向移动用户返回ACK消息,以允许在移动用户和本地DCE之间建立数据信道。 当建立数据信道时,互通单元向控制器返回单位第二响应消息,以允许数据信道扩展到目的地DCE,并允许握手通过互通单元在网络DCE和目的地DCE之间进行, 使用网络DCE作为移动用户的本地DCE。