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High Precision Location Estimation in Mountainous Areas Using GPS.

Yugo Kunisada1, Chinthaka Premachandra1

  • 1Department of Electrical Engineering and Computer Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, Tokyo 1358548, Japan.

Sensors (Basel, Switzerland)
|February 15, 2022
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Summary
This summary is machine-generated.

Beginner mountaineers face risks due to inaccurate GPS. This study introduces a new method using existing GPS data to improve location accuracy in mountains, enhancing safety for outdoor recreation.

Keywords:
GNSSGPSdata sciencelocation estimation

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Area of Science:

  • Geomatics and Navigation
  • Outdoor Recreation Safety
  • Geographic Information Systems

Background:

  • Outdoor recreation, particularly mountaineering, has surged in popularity, increasing the incidence of accidents among inexperienced individuals.
  • Inadequate navigation skills and unreliable GPS accuracy in mountainous terrain, due to lack of radio wave correction, pose significant risks.
  • Existing GPS error correction methods often involve complex processing or hardware, limiting their practicality for portable use.

Purpose of the Study:

  • To develop and demonstrate a novel method for accurate GPS-based location determination in mountainous areas without relying on external radio wave corrections.
  • To address the challenge of GPS signal multipath errors prevalent in mountain environments.
  • To provide a practical solution for enhancing the safety of mountaineers and other outdoor enthusiasts.

Main Methods:

  • Utilizing existing Global Positioning System (GPS) data to detect and correct location errors caused by multipath interference in mountainous regions.
  • Developing an experimental technique to estimate the interrelationship between GPS longitude and latitude data.
  • Validating the proposed method by comparing its accuracy against standard GPS data in real-world mountain environments.

Main Results:

  • The proposed method successfully identifies incorrect GPS locations by leveraging accurate GPS data points.
  • Experimental results demonstrate a significant improvement in location accuracy compared to using GPS data alone in mountainous terrain.
  • The interrelationship between GPS longitude and latitude data was effectively estimated, contributing to error detection.

Conclusions:

  • The developed method offers a viable solution for obtaining reliable location information in challenging mountainous environments.
  • This advancement can enhance the safety of mountaineers by providing more accurate navigation tools.
  • The findings contribute to the field of navigation technology, particularly for applications in remote and signal-limited areas.