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RF Doppler Shift-Based Mobile Sensor Tracking and Navigation
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DOI：10.1145/1806895.1806896.png)
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Abstract
En 中文
Mobile wireless sensors require position updates for tracking and navigation. We present a localization technique that uses the Doppler shift in radio transmission frequency observed by stationary sensors. We consider two scenarios. In the first, the mobile node is carried by a person. In the second, the mobile node controls a robot. In both approaches the mobile node transmits an RF signal, and infrastructure nodes measure the Doppler-shifted frequency. Such measurements enable us to calculate the position and velocity of the mobile transmitter. Our experimental results demonstrate that this technique is viable and accurate for resource-constrained mobile sensor tracking and navigation.
Keywords:
Algorithms
Experimentation
Measurement
Theory
Sensor networks
Doppler effect
tracking
localization
navigation
Journal
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4.7
Papers:
995
Citations:
2.0K