Transcription of Ad hoc and Sensor Networks Chapter 9: Localization ...
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Computer Networks GroupUniversit t PaderbornAd hoc and Sensor NetworksChapter 9: Localization & positioningHolger KarlSS 05Ad hoc & Sensor networs - Ch 9: Localization & positioning2 Goals of this Chapter Means for a node to determine its physical position (with respect to some coordinate system) or symbolic location Using the help of Anchor nodes that know their position Directly adjacent Over multiple hops Using different means to determine distances/angles locallySS 05Ad hoc & Sensor networs - Ch 9: Localization & positioning3 Overview Basic approaches Trilateration Multihop schemesSS 05Ad hoc & Sensor networs - Ch 9: Localization & positioning4 Localization & positioning Determine physical positionor logical location Coordinate system or symbolic reference Absolute or relative coordinates Options Centralized or distributed computation Scale (indoors, outdoors, global.)
Ad hoc and Sensor Networks Chapter 9: Localization & positioning Holger Karl. SS 05 Ad hoc & sensor networs - Ch 9: Localization & positioning 2 Goals of this chapter •Means for a node to determine its physical position (with respect to some coordinate system) or symbolic location
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