??™??™
19.3.2 RFIDs in Smart Environments
In a world that has one computer to many, and one computer to one, it is easy to develop
interaction methodologies because the interaction is limited. But ubiquitous computing
talks of a world where there are many computers to one. In such a scenario, how do we
interact with the multiple computers that exist pervasively in our living space? In order for
designers to program systems to adapt to the personal demands of an individual, they
354 RFID Handbook: Applications, Technology, Security, and Privacy
have to recognize which individual is currently asking for personalization from which
computer. Moreover, as ubiquitous computing ?¬?nds pervasive use in public domains,
multiple ids and personalities may need to be recognized??”you may have separate preferences
for your of?¬?ce, home and play.
All this leads to one of the prime needs of ubiquitous computing??“recognition and data
structuring. Since as early as 2000, several projects have evaluated the use of RFID
technology as a feasible format for identi?¬?cation in ??????smart??™??™ environments. In this
half of the chapter we will explore two existing environmental solutions that use RFID
technology.
The ?¬?rst system that we will explore is that of utilizing RFID technology in indoor and
outdoor environments for navigation and way?¬?nding.
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