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Spectrum utilization maximization in energy limited cooperative cognitive radio networks
2014
2014 IEEE International Conference on Communications (ICC)
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In cooperative cognitive radio networks (CCRNs), through cooperating with primary transmissions, secondary users (SUs) could access the spectrum resource when primary users (PUs) are transmitting. ...
To better utilize the spectrum among all SUs in a secondary network, we design a spectrum resource utilization maximization scheme with joint consideration of relay selection and spectrum scheduling problems ...
Cooperative cognitive radio network (CCRN) [3] , [4] is a new paradigm in cognitive radio networks. ...
doi:10.1109/icc.2014.6883528
dblp:conf/icc/LongLYPF14
fatcat:o4x5wwxjmbdvjdi5evz2nwyata
A Genetic Algorithm Based Spectrum Sharing Strategy Using Energy Efficient Clustering for Cooperative CR Networks
English
2015
International Journal of Engineering Trends and Technoloy
English
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Cognitive radio is emerging as a promising technique to improve the utilization of radio frequency spectrum. ...
All the cognitive radios are grouped in few clusters and clusters choose clusters head by genetic algorithm criteria, clustering based cooperative spectrum sensing scheme using Centralized energy based ...
The efficiently utilization of energy with in a cluster increases the spectrum sharing between IUs and PUs which increased the network life time. ...
doi:10.14445/22315381/ijett-v21p222
fatcat:shgwpxm3szdvjfgj4fejo4deji
On Green Energy Powered Cognitive Radio Networks
[article]
2014
arXiv
pre-print
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The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless nodes sense and utilize the spare spectrum for data communications, while dependence on the traditional ...
The state of the art of the energy efficient CR based wireless access network is discussed in various aspects such as relay and cooperative radio and small cells. ...
The work in [52] is concerned with enhancement of spectrum-energy efficiency of a cooperative cognitive radio network shown in Fig. 3(b) . ...
arXiv:1405.5747v2
fatcat:nyt6hmx2rnbxposqeops5rbgqm
On Green-Energy-Powered Cognitive Radio Networks
2015
IEEE Communications Surveys and Tutorials
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The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless nodes sense and utilize the spare spectrum for data communications, while dependence on the traditional ...
The state of the art of the energy efficient CR based wireless access network is discussed in various aspects such as relay and cooperative radio and small cells. ...
Then, with the introduction of spectrum dynamics, the energy utilization is discussed in green cognitive radio networks.
A. ...
doi:10.1109/comst.2014.2387697
fatcat:f752yycbznbhphrbae7qzdlxam
Sensing Optimization in Cooperative Cognitive Radio Networks
2014
Procedia Computer Science
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Cooperative spectrum sensing is a key function in cognitive radio networks in order to provide unused spectrum access opportunities and mitigate the impact of interference to the primary networks. ...
Cooperative sensing can incur additional cooperation overhead, increased energy consumption, extra sensing time and delay in heterogeneous networks. ...
In [7] , authors introduced an energy-efficient cooperative spectrum-sensing scheme in sensor-aided cognitive radio networks. ...
doi:10.1016/j.procs.2014.07.075
fatcat:gjvg4zsanzfq5bh2jwwrm3tlyi
Augmentation the Lifetime of the Optimal Cooperative Spectrum Sensing Sensor Network
2020
International Journal of Advanced Science and Technology
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In a sensor-aided cognitive radio network, collaborating batterypowered sensors are deployed to aid the network in cooperative spectrum sensing. ...
Therefore, a study is required to minimize the sensing energy consumed and maximize the lifetime, in order to satisfy a larger spectrum utilization. ...
Secondly, the study aims to maximize the lifetime of the cognitive radio wireless sensor (CRWS) network. ...
doi:10.33832/ijast.2019.134.02
fatcat:q3vxou63nngwtgzi2k66hqloci
Spectrum Utilization of Cognitive Radio in Industrial Wireless Sensor Networks - A Review
[chapter]
2018
Communications in Computer and Information Science
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Cognitive Radio (CR) is a promising technology to improve the spectrum utilization by sensing spectrum holes. Research in this area is still in its infancy, but it is progressing rapidly. ...
The increasing demand for intelligent control and automation in industry requires better use of the radio spectrum due to the use of industrial wireless sensor networks (IWSNs). ...
This work was financially supported by UK EPSRC under the Optimising Energy Management in Industry -'OPTEMIN' project EP/P0046 ...
doi:10.1007/978-981-13-2384-3_39
fatcat:oxj66uk4wbaergjaj6zzdmlyse
A Review of Spectrum Sensing Techniques for Cognitive Radio
2014
International Journal of Computer Applications
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This paper explores the concept for dynamic spectrum allocation and investigates different aspects of spectrum sensing in cognitive radio (CR) technology. ...
In this paper we explore various spectrum sensing techniques such as matched filtering, energy detection, cyclostationary feature detection, and cooperative spectrum sensing techniques. ...
Cooperative spectrum sensing raises the strength of cognitive radio network by combining efforts of multiple cognitive sensors. ...
doi:10.5120/16360-5781
fatcat:uxjkvbikrvaz3dlpo62ah7tfka
Cognitive and cooperative communications in wireless heterogeneous networks (HetNet): Current status and technical perspectives
2012
2012 IEEE International Conference on Wireless Information Technology and Systems (ICWITS)
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Cognitive network and cooperative communications are two promising techniques for efficient utilization of scarce radio resources and guaranteeing quality of services (QoS) in wireless heterogeneous networks ...
This paper presents an architecture for the integration of cognitive networks and cooperative communications in wireless HetNet. ...
Outage performance in cognitive relay networks Cognitive radio technology can effectively improve the spectrum utilization efficiency through allowing cognitive (secondary) users to access the licensed ...
doi:10.1109/icwits.2012.6417787
fatcat:upo4o4iffzhahhcvbkjvgaow7a
A Comprehensive Review on Spectrum Management, Security and Energy-Efficient Cognitive Radio Networks
2019
International Journal of Computer Applications
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Cognitive Radio Network (CRN) is an evident optimal solution in alleviating the challenges of spectrum unused potentially in wireless networks. ...
In addition, we study the energy efficient routing techniques like network optimization frameworks in cooperative networks, protocols and different types of attack issues, approaches for handling the secure ...
., [86] a cooperative game is formulated, which solves spectrum sharing issue for multiple Secondary Users in a MIMO cognitive radio network. ...
doi:10.5120/ijca2019918371
fatcat:d5yvihq4zfhvxbz4lml7bruxm4
Application of Game Theory to Cognitive Radio Networks for Power Allocation: An Overview
2015
International Journal of Hybrid Information Technology
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Cognitive radio technology enables efficient utilization of the existing wireless spectrum resources. ...
In the absence of a primary user in a particular spectrum [4] or without affecting the interference limits of the primary users [5], the secondary or cognitive radios can establish communication with other ...
Cooperative games are defined as games in which CR players cooperate with each other to maximize overall network utility. ...
doi:10.14257/ijhit.2015.8.5.27
fatcat:vxvpo7iv6fgqvikpnc5cxwmrd4
Spectrum Allocation in Cognitive Networks
[article]
2016
arXiv
pre-print
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Cognitive Network is a technique which is used to improve the spectrum utilization. ...
There exist a trade-off between network capacity and level of contention. In cognitive radio networks spectrum assignment or spectrum allocation or frequency assignment is used to avoid interference. ...
The cognitive radio is very useful and intelligent device in order to improve the spectrum utilization. But there are certain practical limitations in order to develop this radio. ...
arXiv:1701.07878v1
fatcat:3lq7nffk6vfqfiej33n4ghqgme
A Survey of Energy and Spectrum Harvesting Technologies and Protocols for Next Generation Wireless Networks
2020
IEEE Access
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Energy harvesting (EH) and spectrum harvesting (SH) are two promising and useful green communication and networking mechanisms for the next-generation wireless networks. ...
While the former techniques exploit ambient energy sources to scavenge energy, the latter exploit the unused or moderately used electromagnetic spectrum. ...
Due to limited spectrum and increasing wireless devices and cognitive radio, a new cognitive wireless powered communication network (WPCN) is proposed in [192] . ...
doi:10.1109/access.2020.3046770
fatcat:zgu7faziaje7nimeaayhjoe2yu
Intelligent Wireless Communications Enabled by Cognitive Radio and Machine Learning
[article]
2018
arXiv
pre-print
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In this paper, we discuss the development of the cognitive radio technology and machine learning techniques and emphasize their roles in improving spectrum and energy utility of wireless communication ...
The perception capability and reconfigurability are the essential features of cognitive radio while modern machine learning techniques project great potential in system adaptation. ...
Traditional neural networks with very few layers have been widely utilized in cognitive radio networks [31] , [131] . ...
arXiv:1710.11240v4
fatcat:elt77cgcxvappbxvspp7evb74u
Energy Consummation in cognitive radio network using Different Methods
2019
International Journal of Engineering and Advanced Technology
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Cognitive radio is an emerging technology intended to enhance the utilization of the radio frequency spectrum and allocate the available resources correctly. ...
Efficient resource allocation in cognitive radio network (CRN) is essential in order to meet the challenges of future wireless networks. ...
Problems in current CR Network : High energy consumption is one of the main challenges faced in cognitive radio (CR) networks, which may limit their implementation especially in battery-powered devices ...
doi:10.35940/ijeat.b3383.129219
fatcat:scwxvgyo35euxoisu4xpou5dwe
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