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Eighth EAI International Conference on Simulation Tools and Techniques

Research Article

Deterministic Models of the Physical Layer through Signal Simulation

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  • @INPROCEEDINGS{10.4108/eai.24-8-2015.2261106,
        author={Daniel Maier and Steffen Moser and Frank Slomka},
        title={Deterministic Models of the Physical Layer through Signal Simulation},
        proceedings={Eighth EAI International Conference on Simulation Tools and Techniques},
        publisher={ACM},
        proceedings_a={SIMUTOOLS},
        year={2015},
        month={8},
        keywords={wireless networks simulation physical layer signal simulation software-defined radio},
        doi={10.4108/eai.24-8-2015.2261106}
    }
    
  • Daniel Maier
    Steffen Moser
    Frank Slomka
    Year: 2015
    Deterministic Models of the Physical Layer through Signal Simulation
    SIMUTOOLS
    ICST
    DOI: 10.4108/eai.24-8-2015.2261106
Daniel Maier1,*, Steffen Moser1, Frank Slomka1
  • 1: Ulm University
*Contact email: daniel.maier@uni-ulm.de

Abstract

Current wireless network simulators provide very detailed and deterministic models of the network protocol layers, whereas rather simple and stochastic models, based on the signal-to-noise ratio, are used for the simulation of the physical layer. Although this approach can be sufficient to study the behavior of different upper layer protocol variations, it prevents an easy alteration of the physical layer because a stochastic abstraction of the physical layer must be provided in advance. In particular, the simulation of distributed systems with physical layers that are designed to have several senders transmitting signals at the same time intentionally, is hardly possible with current approaches. A further problem of stochastic physical layer simulations is the fact that the radio channel's influence must also be carried out stochastically, which limits the advantage of accurate ray-optical channel models. We present a novel approach for the accurate simulation of the physical layer by utilizing existing software-defined radio implementations to create signals, to calculate interference and to decode signals. This technique enables us to simulate wireless networks holistically and, furthermore, we can fully exploit the possibilities of available ray-optical channel models.

Keywords
wireless networks simulation physical layer signal simulation software-defined radio
Published
2015-08-27
Publisher
ACM
http://dx.doi.org/10.4108/eai.24-8-2015.2261106
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