Spectrum Sensing
Rapid Spectrum Sensing Algorithm in Cooperative Spectrum Sensing for a Large Network
... technology, spectrum as the major resource for wireless communication systems has now become much a scarcer ...Static spectrum allocation of licensed band by Government has resulted in spectrum ...
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SPECTRUM SENSING TECHNIQUES AND ISSUES IN COGNITIVE RADIO
... radio spectrum which is limited and precious. In fixed spectrum assignments there are many frequencies that are not being properly ...in spectrum sensing will discussed in ...
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Analysis of Cognitive Radio Spectrum Sensing Techniques
... radio spectrum sensing techniques give various important results, which show their perfor- mance over varying SNR as well as over AWGN, Rician fading and Rayleigh fading ...the spectrum ...
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Spectrum Sensing in Cognitive Radio: Components and Methodologies
... of spectrum sensing. The dimensions of radio spectrum space and the hardware challenges like hidden primary user problem, security attacks, sensing duration are described in ...cooperative ...
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GLRT BASED SPECTRUM SENSING IN COGNITIVE RADIO
... Abstract: There are new system implementation challenges involved in the design of cognitive radios, which have both the ability to sense the spectral environment and the flexibility to adapt transmission parameters to ...
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Spectrum Sensing Techniques in Cognitive Radio Cycle
... Spectrum sensing is defined as the task of finding of spectrum holes by sensing the radio spectrum in the local neighborhood of the cognitive radio receiver in unsupervised ...The ...
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Spectrum Sensing Techniques and Issues in Cognitive Radio
... radio spectrum which is limited and precious. In fixed spectrum assignments there are many frequencies that are not being properly ...in spectrum sensing will discussed in ...
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Augmented Spectrum Sensing in Cognitive Radio Networks
... result, spectrum sensing will be complicated by uncertainty in aggregate interference ...detection sensing method performs very well in detecting free bands but performs poorly at low signal to noise ...
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Cooperative spectrum sensing algorithm in cognitive radio by simultaneous sensing and BER measurements
... full-duplex spectrum sens- ing and utilization in ...adaptive sensing in TSU and the BER detection in RSU, where a dedicated line is required for the transmission of the result of BER detec- tion to the TSU ...
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Spectrum Sensing and Allocation In Cognitive Radio Networks
... distributed spectrum sharing scheme by describing the conflict and cooperation among CR users and hence allowing each user to rationally decide on its best ...of spectrum sensing methodologies for ...
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SNR walls in eigenvalue based spectrum sensing
... case. As will be shown in the subsequent sections, the assumption that the (Gaussian) noise samples are i.i.d. (and thus the noise is white) is a crucial prerequisite for the maximum-minimum-eigenvalue (MME) detector’s ...
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Higher Order Cyclostationarity Detection for Spectrum Sensing
... Copyright © 2010 Julien Renard et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...
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History based spectrum sensing in CR VANETs
... CR spectrum sensing ...for spectrum holes are taken by RSUs and LAPUs, and CR technology is used to decrease the load on the control channel (CCH) of the IEEE ...the spectrum avail- ability ...
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Spectrum Sensing based on Direction of Arrival Estimation
... Spectrum sensing was studied along with Direction of Arrival techniques like MUSIC Algorithm, Root-MUSIC Algorithm and ESPRIT ...pseudo spectrum sharpens and with increase in noise variance it ...
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Location Based Spectrum Sensing For Rayleigh Fading
... Spectrum sensing is one of the main research issues under wireless communication for dynamic spectrum sharing ...many spectrum sensing algorithm proposed in literature each of them has ...
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Media Access with Spatial Reuse for Cooperative Spectrum Sensing
... cooperative spectrum sensing performance using the k-out-of-n decision fusion rule with imperfect reporting channels, and derived the upper and lower bounds of probabilities of detection and false ...
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Performance analysis of spectrum sensing with multiple primary users
... Spectrum sensing is a critical functionality of cognitive radio ...on spectrum sensing [2] - ...the sensing period. The effect of the primary user traffic on the sensing ...
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Spectrum Sensing and AM FM Decomposition through Synchrosqueezing
... dynamic spectrum sensing by using wavelet based Synchrosqueezing transform [1], a novel technique, which was proposed to analyze a signal in time-frequency ...
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PERFORMANCE ANALYSIS OF SPECTRUM SENSING IN OFDM SYSTEMS APPLICATIONS
... for spectrum sensing of OFDM signal. The objective of spectrum sensing is to decide whether there are OFDM signals, given the signal {y[n], n = 0, 1,…, S-1} received via a multipath fading ...
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Cooperative spectrum sensing scheme for vehicle to vehicle communication
... propose spectrum sensing scheme for message to be delivered to all vehicle in a certain ...Cooperative Spectrum sensing ...Cooperative Spectrum sensing method can contribute to ...
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