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Preface
Aim of this book
Wireless sensor and works (WSANs) are among the most addressed research
fi elds in the area of information munication technologies (ICT) these days, in the
US, Europe and Asia. WSANs posed of possibly a large number of tiny, autono-
mous sensor devices and actuators equipped with munication capabilities. One
of the most relevant aspects of this research fi eld stands in its multidisciplinarity and the
broad range of skills that are needed to approach their design. Theory of control systems
is involved, networking, middleware, application layer issues are relevant, joint considera-
tion of hardware and software aspects is needed, and their use can range from biomedical
to industrial or automotive applications, from military to civil environments, etc.
This book mainly covers working and design issues of WSANs with
applications.
This research fi eld attracted enormous and ever increasing attention in the past years.
However, by looking, for example, at the IEEE literature, the fi rst paper having ‘wireless
work’ in the title in the online IEEE database of scientifi c papers Xplore, dates
back to the year 2000. A query on the ACM database brings us to the same e. So,
this is a new research fi eld that only very recently attracted the interest of many scien-
tists worldwide. On the other hand, the number of papers in the open literature increased
exponentially after the year 2000 (. with a similar query IEEE Xplore shows 3 papers
for 2000, 20 in 2001, 34 in 2002, 98 in 2003, 289 in 2004, 622 in 2005, 952 in 2006):
this clearly testifi es to the relevance of the research fi eld on the one hand; on the other,
owing to the chaotic distribution of effort provided by thousands of separate research
groups worldwide, a consensus on major design rules of WSANs is still lacking, and it
is not unusual to fi nd recent papers using mode