IPTV机顶盒升级方案的设计与实现  

Implementation and Design of Upgrade Scheme for IPTV Set Top Box

作　　者：曾浩[1] 吕华[1] 王铭伟[1] 

机构地区：[1]重庆邮电大学通信与信息工程学院,重庆400065

出　　处：《电视技术》2010年第5期54-56,共3页Video Engineering

摘　　要：针对目前基于嵌入式Linux系统的IPTV机顶盒(STB)在线升级方案存在系统自恢复方面的不足,通过划分Flash存储器空间和重新设计引导加载程序,改进并设计了一套新的机顶盒在线升级方案。实际测试结果表明,本方案可以实现安全稳定的在线升级。At present, there is a lack of self-recovery mechanism for IPTV Set Top Box（STB）＇s online upgrade scheme based on embedded Linux. According to this aspect, a new online upgrade scheme is proposed, which passes the actual test and achieves a safe and secure online upgrade feature through the division of Flash memory space and re-design of the boot load program.

关 键 词：嵌入式LINUX系统 内核 引导加载程序 机顶盒 IPTV 

分 类 号：TN919.82[电子电信—通信与信息系统] TP335[电子电信—信息与通信工程]