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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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Related Experiment Video

Updated: Nov 24, 2025

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An Energy Efficient Sink Location Service for Continuous Objects in Wireless Sensor Networks.

Cheonyong Kim1, Sangdae Kim2, Hyunchong Cho3

  • 1Advanced KREONET Center, Korea Institute of Science and Technology Information, Daejeon 34141, Korea.

Sensors (Basel, Switzerland)
|December 23, 2020
PubMed
Summary

This study introduces a two-phase sink location service for wireless sensor networks (WSNs) to reduce energy waste during continuous object tracking. The new scheme efficiently merges source nodes, significantly improving energy consumption compared to existing methods.

Keywords:
continuous objectsenergy-efficiencylocation servicemobile sinksrouting protocolswireless sensor networks

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Area of Science:

  • Computer Science
  • Network Engineering
  • Wireless Sensor Networks

Background:

  • Wireless Sensor Networks (WSNs) are crucial for monitoring continuous events like forest fires and gas leaks.
  • Large-scale WSN applications involve numerous source nodes reporting to base stations and mobile workers.
  • Current sink location services in WSNs lead to significant energy waste due to a high number of sources.

Purpose of the Study:

  • To propose an energy-efficient two-phase sink location service scheme for WSNs.
  • To address the energy consumption issue in large-scale continuous object tracking applications.
  • To optimize communication between source nodes and mobile workers in industrial fields.

Main Methods:

  • A two-phase sink location service scheme is proposed.
  • Phase one involves constructing a virtual grid structure to merge source nodes.
  • Phase two aggregates merging points from an originated merging point.

Main Results:

  • The proposed scheme demonstrates superior performance in terms of energy consumption.
  • Simulation results validate the efficiency of the two-phase approach.
  • Significant reduction in energy waste compared to existing schemes.

Conclusions:

  • The proposed two-phase sink location service scheme effectively reduces energy consumption in WSNs.
  • This approach is highly suitable for large-scale continuous object tracking applications.
  • The virtual grid structure and aggregation method offer a practical solution for WSN energy management.