Overview of Sensor Networks

   Posted by: dhcsoul   in Complex Event Processing

Your first time here? Welcome, I'm glad you've dropped in.... David Soul (aka Bricoleur)

this guest editorial (August 24) in the IEEE Computer Society  the
authors discuss a vision for the future of sensor networks that is
extremely compelling…. the piece serves as a great introduction to
the potential uses of Wireless Sensor Networks and the technical
challenges that come with the territory … well worth the read:

Overview of Sensor Networks by: David Culler, University of California, Berkeley; Deborah Estrin, Mani Srivastava, University of California, Los Angeles

sensor networks could advance many scientific pursuits while providing
a vehicle for enhancing various forms of productivity, including
manufacturing, agriculture, construction, and transportation

                      and a couple of quotes:


computer-based instrumentation has existed for a long time, the density
of instrumentation made possible by a shift to mass-produced
intelligent sensors and the use of pervasive networking technology
gives WSNs a new kind of scope that can be applied to a wide range of
uses. These can be roughly differentiated into

  • monitoring space,
  • monitoring things, and
  • monitoring the interactions of things with each other and the encompassing space.

first category includes environmental and habitat monitoring, precision
agriculture, indoor climate control, surveillance, treaty verification,
and intelligent alarms. The second includes structural monitoring,
ecophysiology, condition-based equipment maintenance, medical
diagnostics, and urban terrain mapping. The most dramatic
applications involve monitoring complex interactions, including
wildlife habitats, disaster management, emergency response, ubiquitous
computing environments, asset tracking, healthcare, and manufacturing
process flow


individual devices in a wireless sensor network (WSN) are inherently
resource constrained: They have limited processing speed, storage
capacity, and communication bandwidth. These devices have
substantial processing capability in the aggregate, but not
individually, so we must combine their many vantage points on the
physical phenomena within the network itself

<empahsis added – In my view, the need for Complex Event Processing  is lurking here,  of course >

originally Posted to cep.weblogger.com by David Soul on 1/4/05; 8:31:00 PM
in the Sensors section.


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Tags: CEP, climate, Complex Event Processing, flow, intelligence, physics, sensor networks, sensors

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