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Wireless muometric navigation system.

Hiroyuki K M Tanaka1

  • 1University of Tokyo, Tokyo, Japan. ht@eri.u-tokyo.ac.jp.

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|June 17, 2022
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A new wireless muometric navigation system (MuWNS) uses cosmic-ray muons for positioning where GPS fails. This system achieves navigation quality comparable to GPS in underground, indoor, and undersea environments.

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Area of Science:

  • Physics
  • Geophysics
  • Engineering

Background:

  • Satellite navigation systems like GPS are ineffective in underground, indoor, and underwater environments.
  • Cosmic-ray muons offer a potential solution due to their high penetrative power and ubiquitous nature.
  • Previous muometric navigation systems required wired connections for precise time synchronization.

Purpose of the Study:

  • To develop a versatile, wireless muometric navigation system (MuWNS).
  • To evaluate the performance of MuWNS in various challenging environments.
  • To provide a cost-effective navigation solution for GPS-denied areas.

Main Methods:

  • Designed and implemented a wireless muometric navigation system (MuWNS).
  • Integrated a cost-effective, crystal-oscillator-based grandmaster clock for time synchronization.
  • Conducted performance evaluations in shallow underground/indoor, deep underground, and undersea settings.

Main Results:

  • MuWNS demonstrated reliable positioning in GPS-denied environments.
  • Navigation quality was found to be nearly equivalent to aboveground GPS.
  • Positioning precision was achieved within a range of 1 to 10 meters.

Conclusions:

  • The wireless muometric navigation system (MuWNS) is a viable alternative to satellite-based navigation.
  • MuWNS offers robust performance in diverse underground, indoor, and undersea environments.
  • This technology enables precise positioning where traditional methods fail.