A Resource Efficient Model of Spatially Correlated Shadowing in Semi-Mobile Ad-hoc Network Simulations
Sebastian Helmle, Mathias Dehm, Michael Kuhn, Dominik Lieckfeldt, and Dirk Pesch
Over the past two decades several approaches for modelling (spatially) correlated shadowing in mobile communication environments have been proposed. One prominent implementation is the pre-generation of shadowing maps representing the shadowing loss for geographic locations. However, the majority of these models do only consider shadowing fluctuation with respect to only a single reference location of the non-mobile end of a communication link. Here, the amount of resources needed significantly increases in case multiple reference locations are required. In this paper a resource efficient approach for modelling spatially correlated shadowing in computer simulations for mobile (ad-hoc) networks reducing the complexity from O(n^2) to O(n) is proposed. Hence, it may advantageous specifically for complex computer simulations utilising hardware commonly available.
UKSim 15th International Conference on Computer Modelling and Simulation, UKSim2013, Cambridge, England, April 2013
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