Wireless sensor networks; Embedded networked sensing; Sensornet
A sensor network is a collection of small battery-operated embedded devices each with a built-in processor, sensors, and wireless communication capability. It usually has one or more gateways, or embedded computers, connected to an external communications infrastructure (e.g. the Internet or the cellular network). Either the embedded devices or the gateways may be mobile. The purpose of a sensor network is to collaboratively sense the environment, and convey (a possibly condensed version of) the sensed information to one or more human users via the gateways. More advanced sensor networks may autonomously react to the sensed information and effect an action, such as activating a camera or a light switch.
As early as 1977, researchers appear to have discussed, in significant depth, the various issues in building a distributed wireless sensor network. These discussions were part of...
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