Cognitive Radio Networks: Some Preliminaries

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Provided by: Creative Commons
Topic: Mobility
Format: PDF
Cognitive radio has been explored to bridge the discrepancy between spectrum allocation and spectrum use through its cognitive capability and re configurability. In order to do that it has to first sense the spectrum whether it is available or not and then use the spectrum along with the available users in a dynamic manner without causing harmful interference to the already existing users. This makes security an important issue in CRN since presence of malicious users can easily disrupt the communication in the network. In this paper, the authors present characteristics and the issues in CRN.
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