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Interoperability of Heterogenous Radio Systems / Results / WLAN Interference Analysis / Interference Measurement Campaign

Interference Measurement Campaign

In the end of June 2018, a measurement campaign during a lecture at the TU Wien was held. The goal was to record ISM band traffic in WLAN channels with a vector signal analyzer in the 2.4GHz and 5GHz band. With this data, typical parameters such as traffic load and power level distributions have been described statistically.

Picture of the measurement setup. Vector signal analyzer and PC outside of the lecture room. Open Image Gallery
Setup
Picture of the lecture room during the lecture. Open Image Gallery
Lecture room
  • Scenario
    • Class: Computer supported Japanese
    • Antenna placed in the middle of the room (right picture: below the white arrow)
    • Measurement equipment was placed outside the lecture room: signal was amplified by an amplifier cascade for transmission over 30m long cable
  • Recording
    • About 50 records with 10s length for each
    • Channel 1 @ 2.4GHz and Channel 36 @ 5GHz
  • Monitoring
    • Additional Linux PC with tcpdump
    • Possible to decode WLAN frames
    • Is it possible to record such a scenario by a Linux PC system?
  • Results and parameter fittings (PDF)
  • Utilized data recordings (ZIP)

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