A simple queueing network model of mobility in a campus wireless network

Authors:
Yung-Chih Chen;Jim Kurose;Don Towsley
Affiliations:
University of Massachusetts Amherst , Amherst, MA, USA;University of Massachusetts Amherst , Amherst, MA, USA;University of Massachusetts Amherst , Amherst, MA, USA
Venue:
S3 '11 Proceedings of the 3rd ACM workshop on Wireless of the students, by the students, for the students
Year:
2011

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Abstract

Although wireless networks have become ubiquitous, surprisingly few models of user-level mobility have been developed and validated against traces of measured user behavior. In this paper, we develop a simple, parameterized, open queueing network model of user mobility among access points in a campus network. Using CRAWDAD traces of user-access-point affiliation over time, we compare model predicted performance with the performance actually observed in the traces, and find that a simple queueing model can indeed be used to accurately predict a number of performance measures of interest.