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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

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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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...
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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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Differential Leveling

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Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
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Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

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The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
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In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
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RETRACTED: Ndaguba et al. Operability of Smart Spaces in Urban Environments: A Systematic Review on Enhancing Functionality and User Experience. <i>Sensors</i> 2023, <i>23</i>, 6938.

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Related Experiment Video

Updated: Jun 13, 2025

Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults
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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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Automated Room-Level Localisation Using Building Plan Information.

Mathias Thorsager1, Sune Kroeyer1, Adham Taha1

  • 1Department of Electronic Systems, Aalborg University, 9220 Aalborg, Denmark.

Sensors (Basel, Switzerland)
|September 14, 2024
PubMed
Summary

Automated fingerprinting methods accurately locate wireless sensors in Building Management Systems (BMSs), reducing installation labor. Enhanced localization techniques leverage building plans for improved sensor placement accuracy.

Keywords:
RSSI fingerprintingbuilding management systemindoor localisation

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Area of Science:

  • Electrical Engineering
  • Computer Science
  • Building Technology

Background:

  • Building Management Systems (BMSs) are increasingly adopting wireless Internet of Things (IoT) sensors and actuators.
  • This transition necessitates robust localization methods for accurate sensor-to-Control Unit (CTU) linking.
  • Current manual installation processes for BMSs can be labor-intensive and prone to errors.

Purpose of the Study:

  • To develop an automated, room-level accurate localization method for wireless BMS sensors.
  • To reduce the manual labor required during BMS installation and maintenance.
  • To improve the accuracy of sensor localization by leveraging building plan information.

Main Methods:

  • An automated fingerprinting-based localization approach was developed.
  • The method was extended with two new techniques utilizing building plan data for group sensor localization.
  • Performance was evaluated in a simulation environment using Bluetooth-based measurements.

Main Results:

  • The proposed automated fingerprinting methods achieved room-level accuracy for sensor localization.
  • Leveraging building plans improved localization accuracy compared to the baseline automated method.
  • Error rates were as low as 1 in 200 sensors when groups of sensors were localized together.

Conclusions:

  • Automated localization significantly reduces manual effort in BMS setup and maintenance.
  • Building plan-aware localization enhances the precision of wireless sensor placement.
  • These methods offer a scalable and efficient solution for modern wireless BMS deployments.