Cognitive radio based cooperative spectrum sensing (CSS) is severely affected when some
secondary users maliciously attack it. Two attacks regarded as key adversaries to the …

The support for high data rate applications with the cognitive radio technology necessitates
wideband spectrum sensing. However, it is costly to apply long-term wideband sensing and …

Spectrum sensing is a primary and an essential function in cognitive radio (CR) for dynamic
spectrum access. Cognitive user should detect the whitespaces or vacant frequency bands …

In order to achieve accurate interference detection in complex electromagnetic
environments, a two‐step cooperative stochastic resonance energy detection (TCSRED) …

The beneficial characteristics of signal cyclostationarity have been widely exploited in varied
domains. However, one common problem is that algorithms adopting cyclostationarity would …

Cognitive Radio (CR) users need to sense the environment or channel at regular time
interval for sharing the spectrum band of the primary users (PUs). Once find the spectrum …

Cooperative spectrum sensing is proposed as an efficient way to detect the spectrum holes
in cognitive radio networks (CRNs). This technique, however, opens a window for malicious …

Abstract Orthogonal Frequency Division Multiplexing (OFDM) is the popular multicarrier
modulation technique used in wireless communications, especially on fading channel …

The Radio spectrum utilization can be increased by cognitive radio technology that
essentially requires dynamic spectrum access. To achieve this, cognitive user should be …

Spectrum sensing performs major function in cognitive radio to efficiently use the
underutilized spectrum. It has to detect the presence of primary user signal in a channel and …