论文部分内容阅读
提出了一个基于ＣＡＴＶ（ＨＦＣ）实现交互视频业务的信息服务系统，给出了系统设计目标与原则、系统结构、工作过程和系统主要部件，着重讨论了系统设计要点，包括上行和下行信道的安排、多路复用和数据传输机制等。
An information service system based on CATV (HFC) for interactive video services is proposed. The goals and principles of system design, system structure, working process and main components of the system are given. The key points of the system design are discussed, including the arrangement of uplink and downlink channels , Multiplexing and data transfer mechanisms.