Modeling and simulation of wireless link quality (ETT) through principal component analysis of trace data

Le, A and Krishnamurthy, P and Tipper, D and Pelechrinis, K (2011) Modeling and simulation of wireless link quality (ETT) through principal component analysis of trace data. PE-WASUN'11 - Proceedings of the 8th ACM Symposium on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks. 89 - 96.

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Abstract

Principal Component Analysis (PCA) is a powerful method in data analysis. In this paper, we employ the capabilities of PCA combined with statistical fits to trace data to develop tractable models that can be used to simulate the quality of links in wireless mesh networks using the expected transmission time (ETT) metric. We apply principal component analysis to ETT traces from a wireless mesh network to determine what features in the ETT traces are important and to extract any meaningful relationships therein. We demonstrate that PCA can be used to efficiently approximate large volumes of ETT values. In particular, the ETT trace for each link can be expressed as a combination of two basis vectors - one fairly stable and the other containing the variations in time. We also show how the extracted features can be employed to simulate ETT for a given network topology with and without known ETT trace data. Copyright 2011 ACM.

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Details

Item Type:	Article
Status:	Published
Creators/Authors:	Creators Email Pitt Username ORCID Le, A Krishnamurthy, P prashk@pitt.edu PRASHK Tipper, D dtipper@pitt.edu DTIPPER 0000-0002-9429-6425 Pelechrinis, K kpele@pitt.edu KPELE 0000-0002-6443-3935
Date:	13 December 2011
Date Type:	Publication
Access Restriction:	No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title:	PE-WASUN'11 - Proceedings of the 8th ACM Symposium on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks
Page Range:	89 - 96
Event Type:	Conference
DOI or Unique Handle:	10.1145/2069063.2069079
Institution:	University of Pittsburgh
Schools and Programs:	School of Information Sciences > Telecommunications
Refereed:	Yes
ISBN:	9781450309004
Date Deposited:	04 Jun 2012 14:21
Last Modified:	10 Apr 2020 13:55
URI:	http://d-scholarship.pitt.edu/id/eprint/12255

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