Cognitive radio
Top PDF Cognitive radio:
Multimedia Content Delivery for Remote Patient Monitoring using Cognitive Radio Networks
... 1. Cognitive radio medium access method III. Cognitive radio delay analysis ...called cognitive radio users that explore opportunistically the free frequency ...of ...
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Statistical Admission Control in Multi-Hop Cognitive Radio Networks
... Cognitive Radio Networks A main goal of any cognitive radio architecture is to protect the primary users from interference ...multi-hop cognitive radio networks is proposed in ...
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Medium Access Control for Dynamic Spectrum Sharing in Cognitive Radio Networks.
... licensed radio spectrum is very underutilized in spatial and temporal domains [ 7 ], [ 1 ...of cognitive radio (CR) techniques for dynamic spectrum access to enhance the spectrum utilization [ 2 ...
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Optimization of spectrum utilization parameters in cognitive radio using genetic algorithm
... character. Cognitive radio network (CR) is a promising technology that provides solutions for the spectrum management and optimization problems via dynamic spectrum ...of radio spectrum and strongly ...
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Modeling, Design and Analysis of Multi-Channel Cognitive Radio Networks.
... speaking, cognitive radio (CR), is empowered by a new architectural framework called software defined radio ...where radio adaptation to the environment is only restricted to the operating ...
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Priority queueing models for cognitive radio networks with traffic differentiation
... Abstract In this paper, we present a new queueing model providing the accurate average system time for packets transmitted over a cognitive radio (CR) link for multiple traffic classes with the preemptive ...
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Enabling the Implementation of Spatial Interweave LTE Cognitive Radio
... sides, cognitive radio (CR) which enables smart use of ra- dio resources, is a key ingredient to achieve high spectral ef- ficiency ...of cognitive radio and eventually to optimized the ...
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On the Performance of Calibration Techniques for Cognitive Radio Systems
... Abstract—In Cognitive Radio (CR) systems, primary licensed and secondary unlicensed users share the same ...reciprocal Radio Frequency (RF) front- ends, this non reciprocity can be compensated by ...
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Advanced metering infrastructure backhaul reliability improvement with cognitive radio
... Simplified cognitive cycle A cognitive radio has sensors which are used to acquire knowledge of its ...the radio frequency equipment. Cognitive radio is usually used for dynamic ...
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Coalition formation game for cooperative cognitive radio using Gibbs Sampling
... in cognitive radio networks, and modeling it using game theoretic tools [ 1 ]-[ 5 ...in cognitive radio was initially considered from a collaborative sensing and access perspective in [ 1 ]-[ ...
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Tunable diplexer for cognitive radio RF front-end modules
... discriminator–locked tunable oscillator. Moreover, tunable RF front-end components that have largely been studied and implemented for the future software defined cognitive radio systems (SDCR) are RF ...
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Opportunistic Spectrum Access with Channel Switching Cost for Cognitive Radio Networks
... Despite of the similarity to the MAB problem, the spec- trum access problem in cognitive radio networks has several specificities that make it especially challenging to tackle. One major specialty lies in ...
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Optimal power allocation policies in multi-hop cognitive radio networks
... This work has been partly supported by IRCICA USR 3380. between the two devices by considering an overall power budget [9]. Furthermore, a cognitive radio context is assumed in which the opportunistic user ...
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Mitigating the Hospital Area Communication's Interference using Cognitive Radio Networks
... 4) Simulation results: Figure 4 (a) shows results for a scenario where over a single channel network we modify the overlap size and study its impact on medical device receivers. We consider Uniform and Poisson ...
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Mitigating the Hospital Area Communication's Interference using Cognitive Radio Networks
... 4) Simulation results: Figure 4 (a) shows results for a scenario where over a single channel network we modify the overlap size and study its impact on medical device receivers. We consider Uniform and Poisson ...
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Spectrum Sensing for Cognitive Radio: Recent Advances and Future Challenge
... In the literature, several papers survey the usage of SS for CR. In [ 22 ], the authors presented many aspects of spectrum sensing from a cognitive radio perspective. However, this paper is published more ...
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Wideband signal detection for cognitive radio applications with limited resources
... detection, Cognitive radio, Small sample size, Dempster-Shafer theory of evidence 1 Introduction With the evolution and development of various wireless technologies, spectrum resources are becoming scarce ...
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Adaptive non-uniform sampling of sparse signals for Green Cognitive Radio
... Abstract Based on previous results on periodic non-uniform sampling (Multi-Coset) and using the well known Non-Uniform Fourier Transform through Bartlett's method for Power Spectral Density estimation, we propose a new ...
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Strategic Surveillance Against Primary User Emulation Attacks in Cognitive Radio Networks
... VII. C ONCLUSION We have discussed the surveillance process to mitigate multi-channel selfish PUE in cognitive radio networks. Two scenarios are considered: the selfish PUE attack with and without the ...
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CorteXlab: A Cognitive Radio Testbed for Reproducible Experiments
... of cognitive radio and more generally opportunistic cooperative communications have been already demonstrated from a theoretical point of view and supported by various simulation ...node cognitive ...
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