Realizing the Set-top Box Air-upgrade by Private Descriptor of Electronic Program Guide

The operators′ Set-top boxes need to be upgraded periodically in order to improve the functions.Air-upgrade can save cost for operation and maintenance,so it is an ideal way of upgrade at the present time.There are many ways to realize air-upgrade.This text introduces the realizing the set-top box air-upgrade by private descriptor of electronic program guide,according to actual network situation of Fuzhou Broadcast Television.