Results 21 to 30 of about 44,065 (274)
Optimal Selection of Spectrum Sensing Duration for an Energy Harvesting Cognitive Radio [PDF]
In this paper, we consider a time-slotted cognitive radio (CR) setting with buffered and energy harvesting primary and CR users. At the beginning of each time slot, the CR user probabilistically chooses the spectrum sensing duration from a predefined set.
Shafie, Ahmed El, Sultan, Ahmed
core +1 more source
A DYNAMIC SPECTRUM ACCESS OPTIMIZATION MODEL FOR COGNITIVE RADIO WIRELESS SENSOR NETWORK
The availability of low cost and tiny sensor devices have resulted in increased adoption of wireless sensor network (WSN) in various industries and organization. The WSN is expected to play a significant role in future internet based application services.
T V Saroja +2 more
doaj +1 more source
Spectrum sharing security and attacks in CRNs: a review [PDF]
Cognitive Radio plays a major part in communication technology by resolving the shortage of the spectrum through usage of dynamic spectrum access and artificial intelligence characteristics.
Alhakami, Wajdi +2 more
core +3 more sources
Resource Allocation in Wireless Networks with RF Energy Harvesting and Transfer [PDF]
Radio frequency (RF) energy harvesting and transfer techniques have recently become alternative methods to power the next generation of wireless networks. As this emerging technology enables proactive replenishment of wireless devices, it is advantageous
Han, Zhu +3 more
core +1 more source
Cognitive radio has been proposed as a promising way to effectively utilize the scarce spectrum resources. A cognitive radio sensor network (CRSN) is a wireless sensor network that is equipped with cognitive radio capability.
Ashish Rauniyar, Soo Young Shin
doaj +1 more source
The development and growth of Wireless Sensor Networks (WSNs) is significantly propelled by advances in Radio Frequency (RF) and Visible Light Communication (VLC) technologies.
Rodrigo Fuchs Miranda +6 more
doaj +1 more source
Cognitive Wireless Networks Based Spectrum Sensing Strategies: A Comparative Analysis
Because of numerous dormant application fields, wireless sensor networks (WSNs) have emerged as an important and novel area in radio and mobile computing research.
Anandakumar Haldorai +3 more
doaj +1 more source
Common security issues and challenges in wireless sensor networks and IEEE 802.11 wireless mesh networks [PDF]
Both Wireless Mesh Network (WMN) and Wireless Sensor Network (WSN) are multi-hop wireless networks. WMN is an emerging community based integrated broadband wireless network which ensures high bandwidth ubiquitous internet provision to users, while, WSN ...
Loo, KK, Naeem, T
core +1 more source
A NEW SPECTRUM AND ENERGY AWARE ROUTING PROTOCOL IN COGNITIVE RADIO SENSOR NETWORK
: Cognitive radio sensor network (CRSN) is a new generation of communication systems that wants to solve the overcrowded spectrum utilization of the unlicensed bands.
Sayyed Majid Mazinani, Sara Moshtaghi
doaj +1 more source
Generalized detector as a spectrum sensor in cognitive radio networks [PDF]
The implementation of the generalized detector (GD) in cognitive radio (CR) systems allows us to improve the spectrum sensing performance in comparison with employment of the conventional detectors.
Shbat, M.S., Tuzlukov, V.P.
core +2 more sources

