With the rapid development of wireless communications technologies, radio spectrum has
become a type of extremely scarce resources in meeting the increasing demands for …

Multi-channel non-time-slotted cognitive radio ad hoc networks are attractive to researchers
nowadays; because they utilize the spectrum efficiently and represent a useful network …

Designing a medium access control (MAC) protocol is a key for implementing any practical
wireless network. In general, a MAC protocol is responsible for coordinating users in …

Cognitive Radio Networks (CRN) have enabled us to efficiently reuse the underutilized radio
spectrum. The MAC protocol in CRN defines the spectrum usage by sharing the channels …

Efficient utility of radio spectrum has been a hot topic as the wireless communication
spectrum is a precious resource. The past decade has witnessed intensive research in …

The rapid growth in demand for broadband wireless services coupled with the recent
developmental work on wireless communications technology and the static allocation of the …

The concept of Internet of Things (IoT) has shed new light on WSN technologies. MAC
protocol issues improving the network performance are important in WSNs because of the …

With the innovation of Cognitive Radio Wireless Mesh Network's, Opportunistic Spectrum
Allocation can possibly moderate spectrum lack, by letting Secondary User'sa chance to …

In the last few decades, the Cognitive Radio (CR) paradigm has received huge interest from
industry and academia. CR is a promising approach to solve the spectrum scarcity problem …

Exponential growth of the wireless communications demands for efficient use of the limited
available radio spectrum for network communications. Current fixed spectrum usage …