Two-dimensional (2-D) spectrum sensing is addressed in the context of a cognitive radar to
gather real-time space-frequency electromagnetic awareness. Assuming a sensor equipped …

Due to increasing demands for spectral resources in both communication and radar
systems, the radio frequency electromagnetic spectrum is becoming more and more …

Radar operation in a spectrally dense environment is nowadays a very challenging problem
due to the increasing demand of spectral resources for defence/surveillance applications …

The use of the radio frequency spectrum is increasing at a rapid rate. Reliable and efficient
operation in a crowded radio spectrum requires innovative solutions and techniques. Future …

In this work, the volume-based method for spectrum sensing is analyzed, which is able to
provide the desirable properties of constant false-alarm rate, robustness against deviation …

In cognitive radio systems, identifying spectrum opportunities is fundamental to efficiently
use the spectrum. Spectrum occupancy prediction is a convenient way of revealing …

Cognitive radio is a promising solution to current problem of spectrum scarcity. It relies on
efficient spectrum sensing. Energy detection is the most dominantly used spectrum sensing …

Cognitive radio is an emerging wireless technology that is capable of efficiently coordinating
the use of the currently scarce spectrum resources, and spectrum sensing constitutes its …

In this paper, we consider the problem of detecting a primary user in a cognitive radio
network by employing multiple antennas at the cognitive receiver. In vehicular applications …

Most of the existing spectrum sensing schemes utilize only the statistical property of fading
channels, which unfortunately fails to cope with the time-varying fading channel that has …