Due to distributed nature, dynamic topology and resources constraints of tiny sensing nodes
in wireless sensor networks (WSNs), the quality of service (QoS) support is a challenging …

Multimedia applications have expanded and resulted in huge demands for high resolution
videos in order to enhance the end user Quality of Experience (QoE). Therefore, QoE …

Performance evaluation of transport layer protocols in cognitive radio sensor networks
(CRSNs) is useful to provide quality-of-service for real-time reliable applications. This paper …

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 …

In this paper, we propose a simulation model for cognitive radio sensor networks (CRSNs)
which is an attempt to combine the useful properties of wireless sensor networks and …

Sudden spectrum demands may occur in dense and congested cities, which stress the
communication infrastructure. At these times, identifying alternate spectrum bands through …

Absract Cognitive Radio Sensor Network (CRSN) is a promising solution to overcome
spectrum under-utilization and spectrum scarcity in a resource-constrained Wireless Sensor …

Bandwidth management and traffic control are critical issues to guarantee the quality of
service in cognitive radio networks. This paper exploits a network load refinement approach …

Modeling of spectrum occupancy by both primary and secondary users in the Cognitive
Radio Ad-hoc Network (CRAHN) can be helpful to improve spectrum usage efficiency …

Due to recent expansion of wireless communications, it has become impossible to cope with
the allotment of the precious spectrum while resources for wireless communication are …