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Towards a Decentralized Magnetic Indoor Positioning System.
Zakaria Kasmi1, Abdelmoumen Norrdine2, Jörg Blankenbach3
1Institute for Computing in Civil Engineering & Geo Information Systems, Rheinisch-Westfälische Technische Hochschule Aachen University, Mies-van-der-Rohe-Str. 1, Aachen 52074, Germany. zkasmi@gia.rwth-aachen.de.
Sensors (Basel, Switzerland)
|December 23, 2015
Summary
Decentralized magnetic indoor localization processes data on mobile stations, enhancing energy efficiency. This system synchronizes magnetic fields for standalone operation, enabling communication-free applications like locating firefighters.
Area of Science:
- Robotics and Automation
- Wireless Communication Systems
- Sensor Networks
Background:
- Traditional indoor positioning relies on centralized data processing, leading to high energy consumption and communication overhead.
- Mobile stations (MS) often require constant connection to a base station for data transmission and analysis.
- Existing systems face limitations in energy efficiency and operational lifetime for MS.
Purpose of the Study:
- To present a complete architecture and implementation of a decentralized magnetic indoor localization system.
- To introduce a novel technique for synchronizing observed and artificial magnetic fields on the MS.
- To enable communication-free indoor positioning for enhanced energy efficiency and extended MS lifetime.
Main Methods:
- Developed a decentralized architecture processing magnetic data directly on the mobile station (MS).
- Implemented a synchronization technique using real-time clocks (RTCs) and a preemptive operating system.
- Enabled stand-alone control of magnetic field coils and assignment of measured magnetic fields on the MS.
Main Results:
- Achieved decentralized magnetic indoor localization by processing data directly on the MS.
- Demonstrated successful synchronization of observed and artificial magnetic fields for standalone operation.
- Validated the potential for increased energy efficiency and prolonged MS lifetime.
Conclusions:
- Decentralized magnetic indoor localization offers a viable solution for energy-efficient positioning.
- The proposed synchronization method facilitates communication-free operation, crucial for remote applications.
- This technology has significant potential for deployment in critical scenarios like rescue operations.
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