Internet of things (IoT) paradigm poses new challenges to the communication technology as
numerous heterogeneous objects will need to be connected. To address these issues new …

We propose an energy-efficient network architecture that consists of ad hoc (mobile)
cognitive radios (CRs) and infrastructure wireless sensor nodes. The sensor nodes within …

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 …

One of the main challenges of cooperative spectrum sensing in cognitive radio networks is
the overhead in terms of high energy consumption especially when reporting the individual …

In this paper, a new cooperation structure for spectrum sensing in cognitive radio networks is
proposed, which outperforms the existing commonly used ones in terms of energy efficiency …

Network lifetime and energy consumption are major issues in wireless sensor networks
while protection of the primary user is the most important activity in a cognitive radio network …

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 …

With the advent of wireless technology, a large number of devices are continuously
accessing the frequency spectrum. As the number of mobile devices is increasing, the …

In this paper, we propose a cooperative spectrum sensing method where the nodes
detecting the primary user and those sending the sensing results are respectively selected …

Cognitive radio network (CRN) has emerged as promising solution to spectrum scarcity and
spectrum under utilization. CRN performs spectrum sensing (SS) of the radio environment …