数字电视中的条件寻址

Conditional Addressing of Digital Television

数字电视运营中需要向用户传送大量信息,这些信息通常面向特定用户群体而不适宜面向全体用户,目前运营商一般采用对用户群体逐个发送信息的方式。介绍数字电视中的条件寻址功能,它可以将发送效率提高几个数量级,同时给出了条件寻址在运营中的应用实例。

There is a great deal of information needed to be sent to users during the operation of digital TV. Most of the information is for specific user groups and is not suitable to be broadcasted to all users. Currently the information is sent one by one to each of the user group. This paper studies the Conditional Addressing of Digital TV which can enhance the sending efficiency by several orders of magnitude and provides some application examples.