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介绍了利用IPQAM在HFC网络中实现互动电视的方式,阐述了机顶盒的点播原理,描述了IPQAM的容量及带户情况,为在HFC双向网中使用IPQAM开展互动电视业务提供技术参考。
The way of using IPQAM to realize interactive TV in HFC network is introduced. The principle of on - demand of set - top box is described. The capacity of IPQAM and the situation of subscriber are described. It provides a technical reference for using IPQAM to develop interactive TV service in HFC bidirectional network.