Pre-Allocating Code Mappings for Energy-Efficient Data Encoding in Wireless Sensor Networks

Provided by: Universidad Politecnica de Madrid
Topic: Mobility
Format: PDF
Energy is a scarce resource on battery-powered wireless sensor nodes, and wireless communication represents the major consumer of electric energy on most current platforms. Reducing the number and size of radio transmissions thus represents a viable approach to save energy and extend a node's operational time. In the domain of pervasive computing, where a periodic reporting of data (e.g., a user's vital parameters) is often being used, packets cannot always be simply omitted from transmission. Even if the contained data have not changed, these periodically transmitted message double as beacons to indicate that the sensor node has not run out of energy.

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