The Wikipedia articles on ambient intelligence, ubiquitous computing, and RFID are good starting points:
http://en.wikipedia.org/wiki/Ambient_intelligence
http://en.wikipedia.org/wiki/Ubiquitous_computing
http://en.wikipedia.org/wiki/RFID
SugarScape is the main topic of Epstein and Axtell's book: Growing Artificial Societies: social science from the bottom up.
http://www-users.cs.york.ac.uk/~susan/bib/nf/e/epstein.htm
There is a good sugarscape model that can be downloaded from sourceforge:
http://sugarscape.sourceforge.net/
There are sugarscape NetLogo models, as well.