Title: The Energy-per-Useful-Bit Metric for Evaluating and Optimizing Sensor Network Physical Layers
Abstract:To become truly ubiquitous, sensor network nodes must achieve ultra low power consumption. This paper proposes the energy-per-useful-bit (EPUB) metric for evaluating and comparing sensor network physi...To become truly ubiquitous, sensor network nodes must achieve ultra low power consumption. This paper proposes the energy-per-useful-bit (EPUB) metric for evaluating and comparing sensor network physical layers. EPUB includes the energy consumption of both the transmitter and receiver, and amortizes the energy consumption during the synchronization preamble over the number of data bits in the packet. Using EPUB, we compare six existing sensor network PHYs. Next, we optimize the PHY according to EPUB. We conclude that the EPUB of sensor network PHYs can be reduced by increasing data rate, lowering carrier frequency, and using simple modulation schemes such as OOK to reduce synchronization overheadRead More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 73
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