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.
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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