Accurate simulation of 802.11 indoor links: a “bursty” channel model based on real measurements

Authors:
Ramón Agüero;Marta García-Arranz;Luis Muñoz
Affiliations:
Department of Communications Engineering, University of Cantabria, Santander, Spain;Department of Communications Engineering, University of Cantabria, Santander, Spain;Department of Communications Engineering, University of Cantabria, Santander, Spain
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on simulators and experimental testbeds design and development for wireless networks
Year:
2010

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Abstract

We propose a novel channel model to be used for simulating indoor wireless propagation environments. An extensive measurement campaign was carried out to assess the performance of different transport protocols over 802.11 links. This enabled us to better adjust our approach, which is based on an autoregressive filter. One of the main advantages of this proposal lies in its ability to reflect the "bursty" behavior which characterizes indoor wireless scenarios, having a great impact on the behavior of upper layer protocols. We compare this channel model, integrated within the Network Simulator (ns-2) platform, with other traditional approaches, showing that it is able to better reflect the real behavior which was empirically assessed.