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Related Concept Videos

Field Application of Global Positioning System01:28

Field Application of Global Positioning System

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The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
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Types of Global Positioning System Surveys01:30

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GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
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Errors in Global Positioning System01:26

Errors in Global Positioning System

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Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
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Distance Measurements by Taping01:18

Distance Measurements by Taping

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Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
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Related Experiment Video

Updated: Oct 17, 2025

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TOF-Based Fast Self-Positioning Algorithm for UWB Mobile Base Stations.

Yuxiang Han1, Xiaoming Zhang1,2, Zhengxi Lai3

  • 1National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China.

Sensors (Basel, Switzerland)
|October 13, 2021
PubMed
Summary

A new Ultra-Wideband (UWB) self-positioning algorithm using Time of Flight (TOF) significantly reduces workload and cost for mobile base stations in sports fields. This method achieves high accuracy, improving deployment efficiency.

Keywords:
Time of Flight (TOF)Ultra-Wideband (UWB)base station layoutfast self-positioning

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Area of Science:

  • Engineering
  • Geomatics
  • Wireless Communication

Background:

  • Acquiring precise positions for Ultra-Wideband (UWB) mobile base stations in sports fields is labor-intensive and costly.
  • Existing methods often lack the efficiency required for rapid deployment in dynamic environments.

Purpose of the Study:

  • To develop a fast and accurate self-positioning algorithm for UWB mobile base stations.
  • To reduce the workload and cost associated with base station deployment in sports venues.

Main Methods:

  • Proposed a novel algorithm utilizing Time of Flight (TOF) for UWB base station self-positioning.
  • Established a local coordinate system based on base station layout and ranging data.
  • Employed the Least Square method for initial coordinate calculation and Newton Iteration for result convergence.

Main Results:

  • The self-positioning algorithm achieved an average positioning accuracy within 0.05 meters.
  • Error analysis identified sources of positioning error and methods for mitigation.
  • Simulation and experimental data validated the algorithm's effectiveness.

Conclusions:

  • The proposed UWB self-positioning algorithm meets the required accuracy for base station placement.
  • This method substantially decreases deployment time and manual labor compared to traditional techniques.
  • Offers a cost-effective and efficient solution for UWB base station positioning in sports fields.