Scalable RF propagation modeling on the IBM Blue Gene/L and Cray XT5 supercomputers

Authors:
David W. Bauer, Jr.;Christopher D. Carothers
Affiliations:
The MITRE Corporation, Colshire Drive, McLean, VA;Rensselaer Polytechnic Institute, Troy, NY
Venue:
Winter Simulation Conference
Year:
2009

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Abstract

We present a performance analysis for a highly accurate, large-scale electromagnetic wave propagation model on two modern supercomputing platforms: the Cray XT5 and the IBM Blue Gene/L. The electromagnetic wave model is used to simulate the physical layer of a large-scale mobile ad-hoc network of radio devices. The model is based on the numerical technique called Transmission Line Matrix, and is implemented in a Time Warp simulation package that employs reverse computation for the rollback mechanism. Using Rensselaer's Optimistic Simulation System we demonstrate better than real-time, scalable parallel performance for network scenarios containing up to one million mobile radio devices, highly accurate RF propagation and high resolution, large-scale complex terrain.