该方案由于增加了 优先 级机制、 信息加密和虚拟载波监听（VCS）等技术，使网络在实际应用中，在可靠性、安全性和满足不同控制 信息对时间的要求等方面，有所改善。

And then PRI, information encryption and VCS are add to this PLC scheme, and these effective measures improve the home control network characteristics on reliability, security and response time.

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即通过增加骨干路由器形成冗余链路，视频分流并设置权限优先级的方式，提高整个网络的传输效率。

By adding backbone router to form the redundant link, diverging the video date and establishing priority and so on, the proposed scheme enhanced the transmission efficiency of the entire network.

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