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Christoph Sommer, Stefan Joerer, Michele Segata, Ozan K. Tonguz, Renato Lo Cigno and Falko Dressler, "How Shadowing Hurts Vehicular Communications and How Dynamic Beaconing Can Help," Proceedings of 32nd IEEE Conference on Computer Communications (INFOCOM 2013), Mini-Conference, Turin, Italy, April 2013, pp. 110–114.


We study the effect of radio signal shadowing dynamics, caused by vehicles and by buildings, on the performance of beaconing protocols in Inter-Vehicular Communication (IVC). Recent research indicates that beaconing, i.e., one hop message broadcast, shows excellent characteristics and can outperform other communication approaches for both safety and efficiency applications, which require low latency and wide area information dissemination, respectively. We show how shadowing dynamics of moving obstacles hurt IVC, reducing the performance of beaconing protocols. At the same time, shadowing also limits the risk of overloading the wireless channel. To the best of our knowledge, this is the first study identifying the problems and resulting possibilities of such dynamic radio shadowing. We demonstrate how these challenges and opportunities can be taken into account and outline a novel approach to dynamic beaconing. It provides low-latency communication (i.e., very short beaconing intervals), while ensuring not to overload the wireless channel. The presented simulation results substantiate our theoretical considerations.

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Christoph Sommer
Stefan Joerer
Michele Segata
Ozan K. Tonguz
Renato Lo Cigno
Falko Dressler

BibTeX reference

    author = {Sommer, Christoph and Joerer, Stefan and Segata, Michele and Tonguz, Ozan K. and Lo Cigno, Renato and Dressler, Falko},
    doi = {10.1109/INFCOM.2013.6566745},
    title = {{How Shadowing Hurts Vehicular Communications and How Dynamic Beaconing Can Help}},
    pages = {110--114},
    publisher = {IEEE},
    address = {Turin, Italy},
    booktitle = {32nd IEEE Conference on Computer Communications (INFOCOM 2013), Mini-Conference},
    month = {4},
    year = {2013},

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