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Christos Laskos, "Extension of ns-3 Network Simulator to support WiFi-based Fine Time Measurement (FTM) for Indoor Ranging and Positioning," Bachelor Thesis, School of Electrical Engineering and Computer Science (EECS), TU Berlin (TUB), June 2021. (Advisor: Anatolij Zubow; Referees: Falko Dressler and Thomas Sikora)


The recent IEEE 802.11mc extension of WLAN enables high accuracy ranging between WiFi stations using the Fine Time Measurement (FTM) protocol. First experimental results from our own FTM measurement campaign show disappointing performance, especially in indoor environments with strong multipath. In such an enviroment measurements sometimes fail and the distance between stations can not be determined, leading to unreliable measurements. To approach these problems and create a reliable, repetitive and predictable environment, the network simulator ns-3 is extended to support FTM ranging. This FTM extension implements two error models, based on real world measurements, which simulate the influence of the channel bandwidth and the multipath propagation on ranging accuracy. Creating a close to the real world environment, that can be used to study the environmental impacts on ranging accuracy in an easy and time efficient manner. The implemented FTM extension is evaluated for correctness, accuracy and localization performance.

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Christos Laskos

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    author = {Laskos, Christos},
    title = {{Extension of ns-3 Network Simulator to support WiFi-based Fine Time Measurement (FTM) for Indoor Ranging and Positioning}},
    advisor = {Zubow, Anatolij},
    institution = {School of Electrical Engineering and Computer Science (EECS)},
    location = {Berlin, Germany},
    month = {6},
    referee = {Dressler, Falko and Sikora, Thomas},
    school = {TU Berlin (TUB)},
    type = {Bachelor Thesis},
    year = {2021},

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