The problem of channel quality prediction in cognitive radio networks is investigated in this
paper. First, the spectrum sensing process is modeled as a Non-Stationary Hidden Markov …

The radio spectrum is witnessing a major paradigm shift from fixed spectrum assignment
policy to the dynamic spectrum access, which will completely change the way radio …

Cognitive radio (CR) has the ability to sense the wireless channel and make use of the
vacant spectrum bands. One of the main challenges in CR systems lies in striking a balance …

In this letter, a resource allocation strategy based on a deep neural network (DNN) is
proposed for multi-channel cognitive radio networks, where the secondary user (SU) …

In cognitive radio networks (CRNs), effective and efficient channel exploitation is imperative
for unlicensed secondary users to seize available network resources and improve resource …

Spectrum sensing is an important aspect of cognitive radio networks (CRNs). Secondary
users (SUs) should periodically sense the channels to ensure primary-user (PU) protection …

With the development of wireless communication technology, the requirement for data rate is
growing rapidly. Mobile communication system faces the problem of shortage of spectrum …

In this paper, we investigate the energy-efficient resource allocation in orthogonal frequency
division multiplexing (OFDM)-based cognitive radio (CR) networks, where we try to …

Cognitive radio is a promising technology that uses radio spectrum opportunistically and
efficiently. In this paper, we propose a general scheme for enhancing the cognitive sources …

Mobility and spectrum change of the cognitive radio networks (CRNs), make the traffic
information exchange among the secondary users (SUs) a high-overhead task. In order to …