Search results for "Narrow-band interference"

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Secondary users selection and sparse narrow-band interference mitigation in cognitive radio networks

2018

Spectrum scarcity is a critical problem that may reduce the effectiveness of wireless technologies and services. To address this problem, different spectrum management techniques have been proposed in the literature such as overlay cognitive radio (CR) where the unlicensed users can share the same spectrum with the licensed users. The main challenges in overlay CR networks are the identification and detection of the Primary User (PU) signals in a multi-source narrow-band interference (NBI) scenario. Therefore, in this paper, we investigate the performance of an orthogonal frequency division multiplexing (OFDM) overlay CR network with Secondary Users (SUs) and subcarriers selection schemes. …

Interference mitigationComputer Networks and Communicationsbusiness.industryComputer scienceOrthogonal frequency-division multiplexing020206 networking & telecommunications020302 automobile design & engineering02 engineering and technologyCompressive sensingNarrow-band interferenceCognitive networkInterference (wave propagation)Spectrum management[INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI]Cognitive radio0203 mechanical engineeringChannel state information0202 electrical engineering electronic engineering information engineeringElectronic engineeringWirelessbusinessCognitive networkSparsityOFDMComputer Communications
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