| Publisher | University of California | ||
|---|---|---|---|
| Format | 551.8KB PDF | Date added | 20 Feb 2007 |
| Topics | GPS - GIS, GPS, Mobile - Wireless Communications | ||
| Downloads | 60 | ||
In sensor networks, the location of a sensor making an observation is a vital piece of information to allow accurate data analysis. GPS is an established technology to enable precise position information. Yet, resource constraints and size issues prohibit its use in small sensor nodes that are designed to be cost efficient. Instead, most positions are estimated by a number of algorithms. To date, however, the focus was on individual accuracy of each sensor's position estimates in isolation to the complete network. This paper proposes a novel positioning algorithm called nQUAD to enable representative topology information based on relative accuracy.
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