Dynamic spectrum policies combined with software defined radio are powerful means to
improve the overall spectral efficiency allowing the development of new wireless services …

Cognitive radio (CR) technology enables the opportunistic use of the portions of the licensed
spectrum by the CR users, while ensuring low interference to the primary user (PU) activity …

This article provides a comprehensive survey of cognitive radio technology, focusing on its
application to dynamic spectrum access, especially from the perspective of realizing …

Cognitive radio (CR) technology allows devices to opportunistically use the vacant portions
of the licensed wireless spectrum. However, the available spectrum changes dynamically …

This paper deals with the routing in cognitive mobile ad hoc networks. We propose to modify
the widely adopted Ad-hoc On-demand Distance Vector (AODV) protocol in order to assure …

This paper focuses on the spectrum sensing issues in the unslotted cognitive radio networks
with wireless fading channels. To overcome the energy-inefficiency problem of the existing …

Cognitive Radio (CR) technology enables the opportunistic use of the portions of the
licensed spectrum by the CR users, while ensuring that the performance of the primary users …

To address the impact of the network dynamics on video streaming, the playout buffer is
typically deployed at the receiver. With different buffer storage, users thus have different …

We propose a distributed quality of service (QoS)-aware MAC protocol for multi-channel
cognitive radio networks supporting multimedia applications. Specifically, based on the …

Cognitive radios are slowly becoming a reality. Besides the need for hardware
reconfigurability and the capability to sense spectrum opportunities, adaptability in the MAC …