A framework for statistical wireless spectrum occupancy modeling

Authors:
Chittabrata Ghosh;Srikanth Pagadarai;Dharma P. Agrawal;Alexander M. Wyglinski
Affiliations:
Department of Electrical Engineering at the University of Washington, Seattle, WA and Department of Computer Science, University of Cincinnati, Cincinnati, OH;Department of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA;Department of Computer Science, University of Cincinnati, Cincinnati, OH;Department of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

Citing 5
Cited 5

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Abstract

In this paper, we propose a novel spectrum occupancy model designed to generate accurate temporal and frequency behavior of various wireless transmissions. Our proposed work builds upon existing concepts in open literature in order to develop a more accurate time-varying spectrum occupancy model. This model can be employed by wireless researchers for evaluating new wireless communication and networking algorithms and techniques designed to perform dynamic spectrum access (DSA). Using statistical characteristics extracted from actual radio frequency measurements, first- and second-order parameters are employed in a statistical spectrum occupancy model based on a combination of several different probability density functions (PDFs) defining various features of a specific spectrum band with several concurrent transmissions. To assess the accuracy of the model, the output characteristics of the proposed spectrum occupancy model are compared with realtime radio frequency measurements in the television and paging bands.