Simulation of Radio Wave Propagation by Beam Tracing

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dc.contributor.authorSchmitz, Arneen_US
dc.contributor.authorRick, Tobiasen_US
dc.contributor.authorKarolski, Thomasen_US
dc.contributor.authorKuhlen, Thorstenen_US
dc.contributor.authorKobbelt, Leifen_US
dc.contributor.editorKurt Debattista and Daniel Weiskopf and Joao Combaen_US
dc.date.accessioned2014-01-26T16:47:46Z
dc.date.available2014-01-26T16:47:46Z
dc.date.issued2009en_US
dc.description.abstractBeam tracing can be used for solving global illumination problems. It is an efficient algorithm, and performs very well when implemented on the GPU. This allows us to apply the algorithm in a novel way to the problem of radio wave propagation. The simulation of radio waves is conceptually analogous to the problem of light transport. However, their wavelengths are of proportions similar to that of the environment. At such frequencies, waves that bend around corners due to diffraction are becoming an important propagation effect. In this paper we present a method which integrates diffraction, on top of the usual effects related to global illumination like reflection, into our beam tracing algorithm. We use a custom, parallel rasterization pipeline for creation and evaluation of the beams. Our algorithm can provide a detailed description of complex radio channel characteristics like propagation losses and the spread of arriving signals over time (delay spread). Those are essential for the planning of communication systems required by mobile network operators. For validation, we compare our simulation results with measurements from a real world network.en_US
dc.description.seriesinformationEurographics Symposium on Parallel Graphics and Visualizationen_US
dc.identifier.isbn978-3-905674-15-6en_US
dc.identifier.issn1727-348Xen_US
dc.identifier.urihttps://doi.org/10.2312/EGPGV/EGPGV09/017-024en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): Computer Graphics [I.3.7]: Three-Dimensional Graphics and Realism-: Raytracingen_US
dc.titleSimulation of Radio Wave Propagation by Beam Tracingen_US
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EGPGV09: Eurographics Symposium on Parallel Graphics and Visualization