NDLI: Efficient Simulation of Wireless Networks Using Lazy MAC State Update

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Efficient Simulation of Wireless Networks Using Lazy MAC State Update

Content Provider	ACM Digital Library
Author	Riley, George F. Lee, Young J.
Abstract	Scalable and efficient network simulation methods are the method of choice for evaluating and verifying wireless network protocols on a moderate to large scale. This need becomes obvious when simulating very large-scale wireless networks such as emerging ad hoc sensor networks in which the number of nodes can be the order of thousands or more, and with very high node density. Unfortunately, simulation of such large-scale wireless networks often requires excessively large amounts of computing resources and can be slow to complete. One approach to achieving higher performance in a large-scale network simulation is the use of parallel or distributed simulation techniques. However, the efficient distributed simulation of wireless ad hoc networks is still a daunting task. Therefore, we turn our attention to more traditional sequential simulation methods, and seek to reduce the overhead incurred in the Medium Access Control (MAC) state update propagation between wireless nodes. We introduce a novel method called LAMP (LAzy MAC state uPdate), that substantially reduces this overhead, with no loss of accuracy. Using our wireless network simulation tool, we compare the efficiency of the LAMP approach to the more traditional approach, and show a performance improvement of up to a factor of eight, with no loss of accuracy.
Starting Page	131
Ending Page	140
Page Count	10
File Format	PDF
ISBN	0769523838
ISSN	10874097
DOI	10.1109/PADS.2005.9
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2005-06-01
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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