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Efficient model for indoor radio paths computation
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DOI：10.1016/j.simpat.2012.06.003.png)
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This paper presents a radio paths modeling framework for simulating RF coverage in complex indoor environments. We propose an algorithm which utilizes a geometric visibility graph of a building to traverse all possible bounded radio paths. These paths are needed for the computation of signal strength captured at a given receiver location. We have implemented the suggested algorithm and conducted a set of experiments to evaluate its performance in complex environments. The main conclusion is that the new algorithm is both (i) Accurate: predicts the signal strength inside complex buildings. (ii) Runtime efficient: requires only few seconds to compute all relevant radio paths, even when operating on complex structures containing thousands of walls. (C) 2012 Elsevier B.V. All rights reserved.
Keyword:
RF simulation
Ray-tracing
Wireless coverage prediction
Visibility graph
Urban propagation model
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4.6
论文数:
2.6K
被引数:
4.8K
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