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ThinkMind // COCORA 2014, The Fourth International Conference on Advances in Cognitive Radio // View article cocora_2014_1_20_80013


A Survey of Cognitive Radio Management Functions

Authors:
Ola A. Mohammed
Khalil El-Khatib
Miguel V. Martin

Keywords: Cognitive Radio; Spectrum holes; Spectrum decision; Spectrum Sharing; Spectrum Mobility.

Abstract:
Due to the fast growth in wireless communication services, the need for radio spectrum increased. However, most of the suitable radio spectrum has already been allocated using long term licenses. A considerable part of the allocated spectrum is underutilized over time and space. Cognitive Radio (CR) technology has arisen to solve the spectrum scarcity problem by allowing cognitive radio devices to opportunistically make use of the unused frequency bands in the allocated spectrum, which are termed white spaces or spectrum holes. Four CR functions have to be performed to allow CR devices to efficiently utilize the available spectrum holes without interfering with licensed devices already operating in the allocated spectrum. This paper presents a survey of the CR technology, its architecture and operation, a detailed description of the four CR functions, and the techniques and processes used in each function.

Pages: 6 to 13

Copyright: Copyright (c) IARIA, 2014

Publication date: February 23, 2014

Published in: conference

ISSN: 2308-4251

ISBN: 978-1-61208-323-0

Location: Nice, France

Dates: from February 23, 2014 to February 27, 2014

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