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Field Application of Global Positioning System

Field Application of Global Positioning System

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...

Introduction to Global Positioning System

Introduction to Global Positioning System

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,...

Types of Global Positioning System Surveys

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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...

Electronic Distance Measuring Instruments

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...

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,...

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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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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Related Experiment Video

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Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults

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Indoor Positioning System (IPS) Using Ultra-Wide Bandwidth (UWB)-For Industrial Internet of Things (IIoT).

Fuhu Che¹, Qasim Zeeshan Ahmed¹, Pavlos I Lazaridis¹

¹Department of Computing and Engineering, University of Huddersfield, Huddersfield HD1 3DH, UK.

Sensors (Basel, Switzerland)

|July 8, 2023

Summary

Ultra-wideband (UWB) offers precise indoor positioning systems (IPS) for the Internet of Things (IoT). This review explores UWB technology, its challenges, and the role of machine learning in enhancing UWB IPS performance.

Keywords:

NLoS UWB indoor positioning system localization machine learning

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Area of Science:

Computer Science
Electrical Engineering
Internet of Things (IoT)

Background:

The convergence of physical and digital realms necessitates advanced location-based services.
Internet of Things (IoT) applications increasingly rely on accurate indoor positioning systems (IPS).
Wireless communication technologies are foundational for developing effective IPS.

Purpose of the Study:

To provide a comprehensive review of ultra-wideband (UWB) technology for indoor positioning systems (IPS).
To examine the characteristics and challenges associated with UWB-based IPS implementation.
To evaluate the application of machine learning algorithms in UWB IPS.

Main Methods:

Review of prevalent wireless communication technologies for IPS.
Detailed explanation of ultra-wideband (UWB) principles and unique features.
Analysis of machine learning algorithms' advantages and limitations in UWB IPS.

Main Results:

Ultra-wideband (UWB) demonstrates significant potential for high-accuracy indoor positioning.
Key challenges in UWB IPS implementation include cost, complexity, and standardization.
Machine learning algorithms show promise in improving UWB IPS accuracy and robustness.

Conclusions:

UWB is a leading technology for next-generation indoor positioning systems.
Addressing implementation challenges is crucial for widespread UWB IPS adoption.
Further research into machine learning integration can unlock the full potential of UWB IPS.