Unmanned Aerial Vehicle (UAV) communications have recently entered a new period of
interest, motivated by technological advances and the gradual emergence of the Space-Air …

For spectrum sensing in cognitive radio networks, the IEEE 802.22 standard requires the
detection of primary signals with a signal-to-noise ratio (SNR) as low as-20 dB and receiver …

The cognitive radio technology is considered as a suitable way to improve the utilization of
the radio spectrum and a promising solution to solve the coexistence problem of two …

In a hybrid satellite/terrestrial scenario, the paper analyzes the advantages of using a
cooperative scheme combined with Multiple-Input Multiple-Output (MIMO) technologies at …

The proliferation of wireless devices and the communication networks that enable them has
created profound societal impact in recent years. As engineers and researchers look to build …