Usually energy-detection based spectrum sensing techniques for Cognitive Radios need, as
preliminary operation, the spectrum segmentation in smaller sub-bands, in order to apply …

The demand for radio spectrum is rapidly increasing for applications such as mobile
telephony, digital video broadcasting (DVB), wireless local area networks (WiFi), and …

Spectrum sensing is a key factor for either the development of Cognitive Radio or the
implementation of instruments able to automatically monitor the radio spectrum. Within the …

The rapid advancement in the era of wireless applications and services has made huge
demand of spectrum resources. The cognitive radio is a new concept that can utilize radio …

Two well-known drawbacks of energy detection sensing are its poor performance at low
SNR and dependency on the accurate knowledge of noise power. To overcome these …

Cognitive radio is defined as a paradigm for wireless communication in which either a
network or a wireless node changes its transmission or reception parameters to …

The rapid development of wireless technology compels to efficient use of frequency bands.
One possible way to achieve this goal is the cognitive radio (CR) systems, which allow a …

This paper 1 deals with spectrum sensing techniques used to efficient utilization of limited
spectrum resource. The most used technique is the energy detector as it is the simplest one …

In Cognitive Radio applications, spectrum sensing plays a fundamental role in order to learn
the behavior of primary users (PUs) and access to the spectral resource opportunistically …

Energy detection constitutes a preferred approach for spectrum sensing in cognitive radio
owing to its simplicity and applicability (it works irrespective of the signal format to be …