— In a wireless sensor network (WSN), each sensor monitors environmental parameters, and reports its readings to a base station, possibly through other nodes. A sensor works in c...
Buildings are known to be the largest consumers of electricity in the United States, and often times the dominant energy consumer is the HVAC system. Despite this fact, in most bu...
In this paper we describe a simple, cheap, and unobtrusive demo system that can track multiple persons with low-frequency electric fields. The system's operation is based on m...
Comparing context of different entities is not easy at all. Since context depends on the situation of a particular entity it can be understood in different ways by various entitie...
In this paper we take a look at the start of the art in smart environments research. The survey is motivated by the recent dramatic increase of activity in the field, and summariz...