Investigation of Optical Receivers for Use in an Underwater Environment
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To monitor/evaluate our changing environment a tool being deployed is sensor networks. Autonomous nodes, often referred to as motes, that are deployed in a terrestrial sensor networks typically consist of four functional blocks; 1. a sensor section, with one or more sensors (i.e. seismic, infrared, thermal, acoustic, motion); 2. a processing unit (typically an embedded controller) that draws very low power; 3. a power system consisting of a supply (batteries and/or solar cells) and power monitoring system to conserve power when it can; 4. RF transceiver.
When deployed, the motes communicate with those that are within range of it to form a fully distributed multi-hop wireless network. (As cited in introduction.)
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http://purl.org/coar/resource_type/c_93fc
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en