Wireless sensor network: Difference between revisions
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A '''wireless sensor network''' (WSN) is a [[network]] made of |
A '''wireless sensor network''' (WSN) is a [[network]] made of thousands of nanocomputers with onboard sensor boards. The sensor nodes, currently the size of a 35 mm film canister, are self-contained units consisting of a [[battery (electricity)|battery]], RF adapter, microcontroller, and sensor board. The nodes self-organize their networks, rather than having a pre-programmed [[network topology]]. Because of the limitations due to battery life, nodes are built with power conservation in mind, and generally spend large amounts of time in a low-power "sleep" mode or processing the information. |
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The [[Center for Information Technology Research in the Interest of Society]] {CITRIS} at the [[University of California, Berkeley]], currently directed by S. Shankar Sastry, is a major center of research and development into wireless sensor networks, and has used them to study [[microclimate]] variations in individual [[redwood]] trees [http://www.citris.berkeley.edu/]. The [[Center for Embedded Networked Sensing]], directed by Deborah Estrin, is also a leading research center with $40 million in core funding from the [[National Science Foundation]] [http://www.cens.ucla.edu]. Essentially, UCLA and Berkeley are the leaders in the area of wireless sensor networks with a majority of the publications in the cutting-edge field at top conferences and journals. |
The [[Center for Information Technology Research in the Interest of Society]] {CITRIS} at the [[University of California, Berkeley]], currently directed by S. Shankar Sastry, is a major center of research and development into wireless sensor networks, and has used them to study [[microclimate]] variations in individual [[redwood]] trees [http://www.citris.berkeley.edu/]. The [[Center for Embedded Networked Sensing]], directed by Deborah Estrin, is also a leading research center with $40 million in core funding from the [[National Science Foundation]] [http://www.cens.ucla.edu]. Essentially, UCLA and Berkeley are the leaders in the area of wireless sensor networks with a majority of the publications in the cutting-edge field at top conferences and journals. |
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Revision as of 13:27, 20 August 2005
A wireless sensor network (WSN) is a network made of thousands of nanocomputers with onboard sensor boards. The sensor nodes, currently the size of a 35 mm film canister, are self-contained units consisting of a battery, RF adapter, microcontroller, and sensor board. The nodes self-organize their networks, rather than having a pre-programmed network topology. Because of the limitations due to battery life, nodes are built with power conservation in mind, and generally spend large amounts of time in a low-power "sleep" mode or processing the information.
The Center for Information Technology Research in the Interest of Society {CITRIS} at the University of California, Berkeley, currently directed by S. Shankar Sastry, is a major center of research and development into wireless sensor networks, and has used them to study microclimate variations in individual redwood trees [1]. The Center for Embedded Networked Sensing, directed by Deborah Estrin, is also a leading research center with $40 million in core funding from the National Science Foundation [2]. Essentially, UCLA and Berkeley are the leaders in the area of wireless sensor networks with a majority of the publications in the cutting-edge field at top conferences and journals.
See also
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