Parallel simulation environment for mobile wireless networks

Authors:
Winston W. Liu;Ching-Chuan Chiang;Hsiao-Kuang Wu;Vikas Jha;Mario Gerla;Rajive L. Bagrodia
Affiliations:
Computer Science Department, University of California, Los Angeles, Los Angeles, California;Computer Science Department, University of California, Los Angeles, Los Angeles, California;Computer Science Department, University of California, Los Angeles, Los Angeles, California;Computer Science Department, University of California, Los Angeles, Los Angeles, California;Computer Science Department, University of California, Los Angeles, Los Angeles, California;Computer Science Department, University of California, Los Angeles, Los Angeles, California
Venue:
WSC '96 Proceedings of the 28th conference on Winter simulation
Year:
1996

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Abstract

A parallel simulator has been designed for the evaluation of wireless, multihop, mobile networks. This paper describes the process of porting the simulator from a sequential to a parallel environment. Parallelization is critical in large radio networks, where the complexity of radio propagation models, channel access schemes and interference patterns makes sequential simulation very time consuming - in the order of several hours for 100 nodes experiments. With parallel execution, speedups of up to tenfold have been observed on a 16 processor SP/2, making large net work simulations viable.