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Wind compensation for an open field spread spectrum sound-based positioning system using a base station configuration

Authors
Publisher
Elsevier B.V.
Identifiers
DOI: 10.1016/j.eaef.2014.04.001
Keywords
  • Spread Spectrum Sound
  • Local Positioning System
  • Wind Compensation
  • Base Station

Abstract

Abstract A spread spectrum sound-based positioning system is developed for an open field environment. Errors associated with wind are a major challenge for achieving high positioning accuracy with such a positioning system. Here, wind compensation using a base station configuration is proposed. Field experiments show that by using the proposed compensation method, the influence of wind can be minimized and high positioning accuracy can be achieved. Within a 30 m × 30 m area, the average two-dimensional (2D) positioning accuracy was within approx. 20 mm, at an updating frequency of 2 Hz. Optimization of the base station position was also investigated.

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