Cognitive radio vehicular ad hoc networks (CR-VANETs) can solve the problem of the
limited spectrum resource and improve the vehicle-to-vehicle (V2V) communication …

While key negotiation schemes, such as those based on Diffie–Hellman, have been the
subject of ongoing research, designing an efficient and security scheme remains …

Joint optimal subcarrier and transmit power allocation with QoS guarantee for enhanced
packet transmission over Cognitive Radio (CR)-Internet of Vehicles (IoVs) is a challenge …

We consider a cognitive radio network consisting of M primary users, M primary receivers, a
secondary user with K channels and K secondary receivers. A channel is assigned to each …

With the increasing scarcity of spectrum resources in satellite and terrestrial
communications, spectrum sharing becomes a promising option. In this paper, we …

Cooperation among the sensing nodes in cognitive radio (CR) networks improves spectrum
sensing (SS) reliability. However, determining the efficient set of secondary users (SUs) to …

Cognitive radio (CR) arises as an important technique for wireless network with the aim to
provide better utilization of radio spectrum, which is being utilized sporadically in some …

Spectrum prediction is a promising technique to release spectrum resources and plays an
essential role in cognitive radio networks and spectrum situation generating. Traditional …

Emerging wireless applications needs more spectrums space to tackle the rapid growth of
users. Outside of radio band in spectrum will be hard to utilize for data transmissions in …

Fifth generation (5G) vehicular systems support multiple services with strict Quality of
Service (QoS) constraints. To fulfill the increased communication needs, 5G Vehicular Cloud …