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Anatolij Zubow, Christos Laskos and Falko Dressler, "FTM-ns3: WiFi Fine Time Measurements for NS3," Proceedings of 17th IEEE/IFIP Conference on Wireless On demand Network Systems and Services (WONS 2022), Virtual Conference, March 2022, pp. 1–7.


Wireless networks having location-awareness will foster new classes of applications. Here, a precise range estimation is of critical importance. The Fine Time Measurement (FTM) protocol introduced in IEEE 802.11-2016 uses radio frequency based time-of-flight estimation which enables precise indoor ranging and positioning. This paper presents FTM-ns3, an extension for the widely used ns3 network simulator to support the 802.11 FTM protocol. Using results from experiments with real FTM hardware, we developed error models to be used in simulations. These new error models allow to analyze the impact of channel bandwidth and Line of Sight (LOS) with multipath channel propagation on the performance of FTM-based localization schemes. First results from own simulations show that even a simple localization scheme is highly affected by ranging inaccuracy introduced due to multipath propagation in typical indoor environments even so a LOS component exists. Our extension is provided to the community as open source under a GPL license.

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Anatolij Zubow
Christos Laskos
Falko Dressler

BibTeX reference

    author = {Zubow, Anatolij and Laskos, Christos and Dressler, Falko},
    doi = {10.23919/WONS54113.2022.9764460},
    title = {{FTM-ns3: WiFi Fine Time Measurements for NS3}},
    pages = {1--7},
    publisher = {IEEE},
    address = {Virtual Conference},
    booktitle = {17th IEEE/IFIP Conference on Wireless On demand Network Systems and Services (WONS 2022)},
    month = {3},
    year = {2022},

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