In cognitive radio (CR) network, the concept of energy-efficient design is very important
considering the costly energy consumption that may limit its implementation, especially in …

Recently the subject of energy-efficient is very important in cognitive radio (CR), especially
during spectrum sensing, since the large energy consumption (EC) cost, produces a …

With the continuous growth of the wireless communication business, energy issues and
environmental problems are becoming increasingly grim. Therefore, this paper investigates …

In cognitive radio (CR) networks, cooperation can greatly improve the spectrum sensing
performance. However, more energies are required in the local spectrum sensing and …

There is a huge demand for spectrum, but in conventional system radio spectrum is
inefficiently used. To overcome this problem and improve spectrum utilization, cognitive …

In order to improve the performance of spectrum sensing usage for Cognitive Radio (CR)
user, weighted Energy Detection (ED) methods is proposed. In this paper, we consider …

In cognitive radio (CR) network, to improve spectrum sensing performance to primary user
(PU) and decrease energy wastage of secondary user (SU) in cooperative spectrum …

In cognitive radio networks, it is well known that the cooperative spectrum sensing can
overcome damaging effects of fading and shadowing. However, it also increases the amount …

Defined Radio (SDR) that, in addition to the re-configuration capability, also has the ability to
analyze its surrounding radio environment and decide how best to re-configure itself. The …

High energy consumption is one of the main challenges faced in cognitive radio (CR)
networks, which may limit their implementation especially in battery-powered devices. In …