Smart Door Portal

This paper describes the concept about "Smart Door Portal". From the view of implementation, it based on the gate and cooperates with the home information system to provide smart location service. The idea somewhat likes the web portal which provide a centralized façade for home service. By way of combining virtual and physical door control, the members of home change their way for the home communication. Due to mobile technological help on the voice and image transmission, the members in home can converse with the other members outside the home as if he is at home. As a result, the perception will get beyond the home and the relationship between home members will be more versatile. The service from the smart home will be ubiquitous.