3D Indoor Positioning of UAVs with Spread Spectrum Ultrasound and Time-of-Flight Cameras.
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TLDR
Experimental results show that the proposed system can increase the accuracy of a solely acoustic system by 70–80% in terms of positioning mean square error.Abstract:
This work proposes the use of a hybrid acoustic and optical indoor positioning system for the accurate 3D positioning of Unmanned Aerial Vehicles (UAVs). The acoustic module of this system is based on a Time-Code Division Multiple Access (T-CDMA) scheme, where the sequential emission of five spread spectrum ultrasonic codes is performed to compute the horizontal vehicle position following a 2D multilateration procedure. The optical module is based on a Time-Of-Flight (TOF) camera that provides an initial estimation for the vehicle height. A recursive algorithm programmed on an external computer is then proposed to refine the estimated position. Experimental results show that the proposed system can increase the accuracy of a solely acoustic system by 70–80% in terms of positioning mean square error.read more
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References
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Book
Introduction to Radar Systems
TL;DR: This chapter discusses Radar Equation, MTI and Pulse Doppler Radar, and Information from Radar Signals, as well as Radar Antenna, Radar Transmitters and Radar Receiver.
Proceedings ArticleDOI
The Cricket location-support system
TL;DR: The randomized algorithm used by beacons to transmit information, the use of concurrent radio and ultrasonic signals to infer distance, the listener inference algorithms to overcome multipath and interference, and practical beacon configuration and positioning techniques that improve accuracy are described.
Journal ArticleDOI
A new location technique for the active office
TL;DR: The authors present a novel sensor system, suitable for large-scale deployment in indoor environments, which allows the locations of people and equipment to be accurately determined and describes some of the context-aware applications that might make use of this fine-grained location information.
Journal ArticleDOI
Implementing a sentient computing system
M. Addlesee,Rupert William Meldrum Curwen,Steve Hodges,Joseph Newman,Peter Joseph Steggles,Andrew Martin Robert Ward,Andy Hopper +6 more
TL;DR: An enhanced version of AT&T Laboratories Cambridge's sentient computing system, which uses sensors to update a model of the real world, is installed throughout an office building.
Dissertation
The cricket indoor location system
TL;DR: This dissertation presents beacon interference avoidance and detection algorithms, as well as outlier rejection algorithms to prevent and filter out outlier distance estimates caused by uncoordinated beacon transmissions.
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