Results 1 to 10 of about 44,065 (274)

Multi-Radio Based Rendezvous Technique for Heterogeneous Cognitive Radio Sensor Network [PDF]

open access: yesSensors, 2021
In a distributed cognitive radio (CR) sensor network, transmission and reception on vacant channels require cognitive radio nodes to achieve rendezvous.
Md. Tahidul Islam   +2 more
doaj   +6 more sources

Assessing Routing Strategies for Cognitive Radio Sensor Networks [PDF]

open access: yesSensors, 2013
Interest in the cognitive radio sensor network (CRSN) paradigm has gradually grown among researchers. This concept seeks to fuse the benefits of dynamic spectrum access into the sensor network, making it a potential player in the next generation (NextGen)
Kashif Saleem   +3 more
doaj   +4 more sources

Energy- and Cognitive-Radio-Aware Routing in Cognitive Radio Sensor Networks [PDF]

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Cognitive radio sensor networks (CRSNs) are the next generation wireless sensor networks (WSNs) that mitigate overcrowded unlicensed spectrum bands by opportunistically using temporally unoccupied unlicensed and licensed spectrum bands. In this paper, we
Christian H. W. Oey   +2 more
doaj   +2 more sources

Cognitive Radio Wireless Sensor Networks: Applications, Challenges and Research Trends [PDF]

open access: yesSensors, 2013
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 infancy, but it is progressing rapidly.
Gyanendra Prasad Joshi   +2 more
doaj   +3 more sources

Pliable Cognitive MAC for Heterogeneous Adaptive Cognitive Radio Sensor Networks. [PDF]

open access: yesPLoS ONE, 2016
The rapid expansion of wireless monitoring and surveillance applications in several domains reinforces the trend of exploiting emerging technologies such as the cognitive radio.
Mohammed Al-Medhwahi   +3 more
doaj   +4 more sources

IEEE 802.11af-enabled scalable cognitive radio sensor networks with adaptive priority management for early forest fire forewarning [PDF]

open access: yesScientific Reports
Forest fires cause severe ecological and economic damage, and their early detection is critical for effective disaster management. Conventional wireless sensor networks often fail to deliver timely alerts during emergencies due to congestion and ...
V. Abilasha, A. Karthikeyan
doaj   +2 more sources

Resource allocation in heterogeneous cognitive radio sensor networks [PDF]

open access: yesInternational Journal of Distributed Sensor Networks, 2019
Cognitive radio sensor networks offer a promising means of meeting rapidly expanding demand for wireless sensor network applications in new monitoring and objects tracking fields.
Mohammed Al-Medhwahi   +4 more
doaj   +2 more sources

Overview of energy harvesting cognitive radio sensor networks

open access: yesDianzi Jishu Yingyong, 2018
In energy harvesting cognitive radio sensor networks(EHCRSNs), energy harvesting supplies continual energy to eliminate the limitation of limit-battery sensor, while cognitive radio mitigates the scarcity of spectrum resource.
Jiao Wanguo, Li Yurong, Zhou Wen
doaj   +2 more sources

Energy-efficient distributed heterogeneous clustered spectrum-aware cognitive radio sensor network for guaranteed quality of service in smart grid

open access: yesInternational Journal of Distributed Sensor Networks, 2021
The development of a modern electric power grid has triggered the need for large-scale monitoring and communication in smart grids for efficient grid automation.
Emmanuel Ogbodo   +2 more
doaj   +1 more source

Advances in Cognitive Radio Sensor Networks [PDF]

open access: yesInternational Journal of Distributed Sensor Networks, 2014
Los avances en la comunicación inalámbrica han cambiado las costumbres y el estilo de vida de las personas hoy en día, y la demanda de comunicación inalámbrica con altas velocidades y conectividad ubicua sigue aumentando. Actualmente, existen varias redes inalámbricas diferentes, por ejemplo, redes celulares y redes inalámbricas de área local, para ...
Hyung Seok Kim   +4 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy