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Throughput Performance of Interference Mitigation Techniques in Cognitive Femtocell Networks Read chapter Read first chapter

2015 | OriginalPaper | Chapter

Towards a Practical Cognitive Channel Allocation Scheme

Authors : Dennis George Ozhathil, Geoffrey Mark Kagarura, Dorothy Kabagaju Okello, Roseline Nyongarwizi Akol

Published in: e-Infrastructure and e-Services for Developing Countries

Publisher: Springer International Publishing

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Abstract

The actual implementation of an intelligent system that can well manage and utilize the scarce spectrum is a major difficulty towards cognitive radio deployment. By integrating spectrum usage characteristics in Uganda, we develop a hybrid protocol to select optimal channels for use by the cognitive radio. It uses physical layer characteristics of signal to interference and noise ratio and interference power to legacy users to achieve a higher layer goal of maximizing network throughput. The fuzzy logic approach effectively reduces the protocol stack to a hybrid form that considers only the parameters that directly impact on the desired goal. The multiple pertinent variables can be suitably represented in a common linguistic language and solved as a multi-objective optimization problem. The resulting hybrid protocol shows high efficiency in selecting the channel while also maximizing the network throughput.

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Metadata
Title
Towards a Practical Cognitive Channel Allocation Scheme
Authors
Dennis George Ozhathil
Geoffrey Mark Kagarura
Dorothy Kabagaju Okello
Roseline Nyongarwizi Akol
Copyright Year
2015
Book
e-Infrastructure and e-Services for Developing Countries

Print ISBN: 978-3-319-16885-2

Electronic ISBN: 978-3-319-16886-9

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-3-319-16886-9_9

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