Cognitive radio wireless sensor networks: applications, challenges and research trends
A cognitive radio wireless sensor network is one of the candidate areas where cognitive
techniques can be used for opportunistic spectrum access. Research in this area is still in its …
techniques can be used for opportunistic spectrum access. Research in this area is still in its …
Primary radio user activity models for cognitive radio networks: A survey
Abstract Cognitive Radio Networks have been emerged as a promising solution for solving
the problem of spectrum scarcity and improving spectrum utilization by opportunistic use of …
the problem of spectrum scarcity and improving spectrum utilization by opportunistic use of …
Spectrum inference in cognitive radio networks: Algorithms and applications
Spectrum inference, also known as spectrum prediction in the literature, is a promising
technique of inferring the occupied/free state of radio spectrum from already …
technique of inferring the occupied/free state of radio spectrum from already …
Time-dimension models of spectrum usage for the analysis, design, and simulation of cognitive radio networks
This paper addresses the problem of accurately modeling the spectrum occupancy patterns
of real radio communication systems, which is an essential aspect in the study of cognitive …
of real radio communication systems, which is an essential aspect in the study of cognitive …
Delay performance analysis for supporting real-time traffic in a cognitive radio sensor network
Z Liang, S Feng, D Zhao… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Traditional wireless sensor networks (WSNs) working in the license-free spectrum suffer
from uncontrolled interference as the license-free spectrum becomes increasingly crowded …
from uncontrolled interference as the license-free spectrum becomes increasingly crowded …
Energy-efficient channel management scheme for cognitive radio sensor networks
JA Han, WS Jeon, DG Jeong - IEEE Transactions on Vehicular …, 2011 - ieeexplore.ieee.org
In designing a cognitive radio sensor network (CRSN), we need to take account of energy
both efficiency and primary user (PU) protection since the CRSN consumes additional …
both efficiency and primary user (PU) protection since the CRSN consumes additional …
[書籍][B] Cognitive radio communication and networking: Principles and practice
The author presents a unified treatment of this highly interdisciplinary topic to help define the
notion of cognitive radio. The book begins with addressing issues such as the fundamental …
notion of cognitive radio. The book begins with addressing issues such as the fundamental …
Empirical time-dimension model of spectrum use based on a discrete-time Markov chain with deterministic and stochastic duty cycle models
The spectrum occupancy models widely used to date in dynamic spectrum access/cognitive
radio (DSA/CR) research frequently rely on assumptions and oversimplifications that have …
radio (DSA/CR) research frequently rely on assumptions and oversimplifications that have …
Cognitive radio-based clustering for opportunistic shared spectrum access to enhance lifetime of wireless sensor network
In recent times, Cognitive radio (CR)-based wireless sensor networks (WSNs) have been
widely used for opportunistic access of the shared spectrum. In WSNs, deployment of sensor …
widely used for opportunistic access of the shared spectrum. In WSNs, deployment of sensor …
EMCOS: Energy-efficient mechanism for multimedia streaming over cognitive radio sensor networks
One of the major challenges for multimedia transmission over multimedia WSN (MWSN) in
urban environment is the scarcity of spectrum combined with high radio interference. Such …
urban environment is the scarcity of spectrum combined with high radio interference. Such …