Cooperative spectrum sensing (CSS) can resolve the hidden terminal problem in cognitive
radio (CR) networks. In CSS, the unlicensed users also known as secondary users (SUs) …

The main challenge of Cognitive Radio (CR) is to identify the occurrence of primary users
(PU) effectively to mitigate interference with licenced communications. The occurrence of PU …

With the rapid development of Internet technology in recent years, the sources of information
materials are becoming more and more abundant. How to dig out useful information data …

In cooperative cognitive radio networks (CCRNs), resource allocation can be viewed as a
multi-objective optimization issue in terms of channel capacity as well as, among numerous …

Energy resources become precious when the secondary users (SUs) in cognitive radio (CR)
network are battery operated, especially in cooperative spectrum sensing (CSS). So it …

Hard decision combination provides bandwidth efficiency but the results produced are
unreliable while soft decision combination has better results but at the expense of much …

The concealed terminal problem in cognitive radio (CR) networks can be solved by the
cooperative spectrum sensing (CSS). Because secondary users (SUs) in CSS are frequently …

5G has pushed the use of radio spectrum to a new level, and cognitive clustering network
can effectively improve the utilization of radio spectrum, which is a feasible way to solve the …

Interference is the primary limiting factor of Cognitive Radio (CR) systems. This paper
proposes a new power allocation idea for orthogonal frequency division multiplexing …