Comparison of indoor/outdoor, RSSI-based positioning using 433, 868 or 2400 MHz ISM bands

Authors

  • Łukasz Chruszczyk Silesian University of Technology
  • Adam Zając Silesian University of Technology

Abstract

This paper compares accuracy of indoor positioning systems using one of three selected ISM bands: 433, 868 or 2400 MHz. Positioning is based on Received Signal Strength Indication (RSSI), received by majority of ISM RF modules, including low-cost ones. Investigated environment is single, indoor space (e.g. office, hall) and personal use, thus 2-dimensional (2D) coordinate system is used. Obtained results, i.a. average positioning error, are compared with similar measurements taken at outdoor, open space environment. The system is local, i.e. its operational area is limited by range of used RF modules – typical a few tens of meters. The main focus is research of how much accuracy (and usefulness) can be expected from standard RF modules working at typical ISM frequencies.

Author Biographies

Łukasz Chruszczyk, Silesian University of Technology

Faculty of Automatic Control, Electronics and Computer Science.

PhD.

Adam Zając, Silesian University of Technology

MSc student at the Faculty of Automatic Control, Electronics and Computer Science, Institute of Electronics

Eng.

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Published

2016-11-13

Issue

Section

Wireless and Mobile Communications