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Cognitive Radio Network

Connectivity-based Performance Evaluation for Mobile Cognitive Radio Network

Connectivity-based Performance Evaluation for Mobile Cognitive Radio Network

... mobile cognitive radio network after fully considering the analysis method of network connectivity based on random way-point (RWP) mobility ...the network performance in this model. And ...

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Intelligent spectrum assignment and migration in cognitive radio network

Intelligent spectrum assignment and migration in cognitive radio network

... limited radio spectrum ...[3]. Cognitive radio network (CRN) shows great promise to exploit these deficiencies by applying dynamic spectrum ...

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Cognitive radio network in vehicular ad hoc network (VANET): a survey

Cognitive radio network in vehicular ad hoc network (VANET): a survey

... the cognitive radio network under realistic environments, several test beds are currently being ...for cognitive radio network test beds with functional architecture for ...

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Spectrum Monitoring for OFDM Based Cognitive Radio Network

Spectrum Monitoring for OFDM Based Cognitive Radio Network

... For reducing the effect of Inter-Symbol Interference (ISI) in frequency domain OFDM system, the last Ng samples of the time domain OFDM symbol is copy to the beginning of the symbol to form a guard time or cyclic prefix. ...

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Optimum Channel Sharing in Cognitive Radio Network

Optimum Channel Sharing in Cognitive Radio Network

... The Cognitive Radio is an intelligent radio that can be programmed and configured ...a radio automatically detects applicable channels in wireless spectrum, then consequently changes its ...

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Enhancing Opportunistic Routing for Cognitive Radio Network

Enhancing Opportunistic Routing for Cognitive Radio Network

... the network conditions, the link can change dynamically making it appropriate for cognitive radio network which has rapid variation of spectrum ...

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Attacks & Preventions of Cognitive Radio Network A Survey

Attacks & Preventions of Cognitive Radio Network A Survey

... like Cognitive radio network is latest one. The term Cognitive Radio was first officially presented by Mitola and Maguire in 1999 ...[1].Cognitive radio network is ...

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Hybrid Spectrum Sensing Algorithm for Cognitive Radio Network

Hybrid Spectrum Sensing Algorithm for Cognitive Radio Network

... Spectrum sensing plays a very provocative role in cognitive radio network. In order to utilize spectrum more efficiently and to exploit the primary user, spectrum sensing is accomplished. We proposed ...

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A Survey of Cognitive Radio Network Techniques and Architecture

A Survey of Cognitive Radio Network Techniques and Architecture

... conitive radio network can be used efficiently in network centric, distributed, adhoc, mesh architecture, and serve the needs of both licenced and unlicenced ...of cognitive radio ...

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Performance Evaluation of Spectrum Detection in Cognitive Radio Network

Performance Evaluation of Spectrum Detection in Cognitive Radio Network

... This paper deals with spectrum detection and spectrum handoff mechanism in cognitive radio network. Spec- trum analyzer is used to emulate cognitive radio to do spectrum sensing. The ...

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A survey of security issues in Cognitive Radio network

A survey of security issues in Cognitive Radio network

... wireless radio spectrum is increasing ...limited radio frequency ...users. Cognitive radio technology is the intelligent network which makes use of unused spectrum of primary ...by ...

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A Survey of Spectrum Sensing Procedures in Cognitive Radio Network

A Survey of Spectrum Sensing Procedures in Cognitive Radio Network

... the cognitive radio network requires the involvement and interaction of many recent techniques, including distributed spectrum sensing, interference management, cognitive radio ...

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Signal Detection of Co Operative Cognitive Radio Network under Neural Network

Signal Detection of Co Operative Cognitive Radio Network under Neural Network

... co-operative cognitive radio network are compared under both awgn and Rayleigh fading ...neural network (NN) is trained with simulation data where the analytical result is given as the target ...

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Quality of Service Provisioning in Cognitive Radio Network

Quality of Service Provisioning in Cognitive Radio Network

... changes with types of traffic and network. The QoS is a function of multiple contradictory parameters and those are not certain and exact. Application of fuzzy logic gives more effective solution when the ...

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Survey on energy harvesting cognitive radio network

Survey on energy harvesting cognitive radio network

... harvesting network (EHN) is a trending topic among the recent ...harvesting cognitive radio network (EH- CRN) is expected to utilize both energy and electromagnetic spectrum ...the ...

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Joint detection scheme for cooperative spectrum sensing in cognitive radio network

Joint detection scheme for cooperative spectrum sensing in cognitive radio network

... In this paper, a new architecture of cognitive radio network (CRN) is presented for future dynamic spectrum sharing in time-variant flat fading (TVFF) channels. We consider a practical scenario where ...

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Implementation of Cognitive Radio Network Testbed for Multimedia Communications

Implementation of Cognitive Radio Network Testbed for Multimedia Communications

... A cognitive radio is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which are not, and instantly move into vacant channels while ...

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Survey on Security Issues in Cognitive Radio Network

Survey on Security Issues in Cognitive Radio Network

... like Cognitive radio is to solve these problems through dynamically utilization of rules and ...cognitive radio. The major and challenging issues are security in cognitive radio ...

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Efficient Selfish Attack Detection in Cognitive Radio Network

Efficient Selfish Attack Detection in Cognitive Radio Network

... CR network is having a dynamic characteristic due to which it is difficult to detect the selfish attack in the wireless ...subjective radio specially appointed ...

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Quality of Service in Cognitive Radio Network: Issues and Challenges

Quality of Service in Cognitive Radio Network: Issues and Challenges

... Over the last decade, the development of wireless communication technology has shown exponential increase and wireless services have evolved from traditional voice service to a wide range of multimedia services. The ...

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