基于Loader的机顶盒升级的设计与实现

The Design and Implementation of Set-top Boxes to Upgrade based on A Loader System

分析机顶盒软件系统的结构,探讨了Loader升级的可行性,介绍了链接描述符、升级流的制作规范及播出规则,强调了机顶盒Loade升级按步骤实施的必要性,分析用户端机顶盒的接收过程,并对升级中出现的问题提出几点建议。

This paper from the set -top box software system structure layer analysis , to explore the feasibility of Loader upgrade , this paper introduces the link descriptor , upgrade the production specification and broadcast rules, emphasize the necessity of the implementation steps of STB Loade upgrades , and has made the analysis in this paper, the process on receiving client set -top box, and finally gives several Suggestions on the prob-lems arising from the upgrade .