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Optimal cooperative spectrum sensing over composite fading channels
2015
2015 IEEE International Conference on Communication Workshop (ICCW)
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In this paper, we study cooperative spectrum sensing over composite fading channels. ...
Second, we derive the optimal voting rule for hard combining in cooperative spectrum sensing over composite fading channels. ...
CONCLUSION In this paper, cooperative spectrum sensing over composite fading channels was investigated. ...
doi:10.1109/iccw.2015.7247233
dblp:conf/icc/SelimAKM15
fatcat:whmftf4aazeffesx4vinm5rc3a
Optimization of Energy Detection in Cognitive Radio Networks
English
2014
International Journal of Computer Trends and Technology
English
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Gamma Fading Channel
Nakagami -Gamma Composite Fading Channel Local maximum and local minimum are encountered during optimizing problem solution. ...
Fading Channel
.5.6 Nakagami -Lognormal Composite Fading Channel
.5.7 Nakagami -Gamma Composite Fading Channel
.3.5 Nakagami -Lognormal Composite Fading Channel
.4.3 Nakagami Fading ...
doi:10.14445/22312803/ijctt-v12p102
fatcat:kzroqgos3nd2fhhk6koto7toum
Optimal Hard Decision Fusion Rule for Centralized and Decentralized Cooperative Spectrum Sensing in Cognitive Radio Networks
2015
Journal of Advances in Computer Networks
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Next, the performance of different hard decision fusion rule in AWGN channel and Rayleigh fading channel is carried out in MATLAB to find out the optimal hard decision fusion rule in centralized and decentralized ...
In CR networks, SUs can be coordinated to perform cooperative spectrum sensing (CSS) to achieve higher detection accuracy. ...
Fig. 6 . 6 Decentralized cooperative spectrum sensing performance under the Rayleigh fading channel. ...
doi:10.7763/jacn.2015.v3.168
fatcat:d4ycjyar4rdsvfn6splo6ptgqa
Cooperative Spectrum Sensing over Generalized Fading Channels Based on Energy Detection
[article]
2017
arXiv
pre-print
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This paper analyzes the unified performance of energy detection (ED) of spectrum sensing (SS) over generalized fading channels in cognitive radio (CR) networks. ...
Besides, cooperative spectrum sensing (CSS) with diversity reception has been applied to improve the detection accuracy and mitigate the shadowed fading features with OR-rule. ...
[24] unified close-form expressions of average detection probability of ED with cooperative spectrum sensing (CSS) are derived over generalized multipath fading channels to improve the efficiency and ...
arXiv:1705.06989v3
fatcat:z7lfpskhw5eanah67v5dwdrlbu
2013 Index
2014
IEEE Transactions on Wireless Communications
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Tao, Meixia, +, TWC March 2013 1138-1148 Defending Against Cooperative Attacks in Cooperative Spectrum Sensing. Transmission Control for Compressive Sensing Video over Wireless Channel. ...
Qin, Zhengrui, +, TWC June 2013 2680-2687 Distributed Cooperative Spectrum Sensing in Mixture of Large and Small Fading Channels. ...
doi:10.1109/twc.2011.09.499-tw1401-index
fatcat:w5ya5mg3sbcodb2crtuaoyk3su
Minimizing the Detection Error in Cooperative Spectrum Sensing using Teaching Learning Based Optimization(TLBO)
2017
International Journal of Engineering Research and
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Sensing error minimization is an important aspect of cooperative spectrum sensing that needs attention. ...
Cooperative spectrum sensing is a key technology in cognitive radio networks (CRNs) to detect spectrum holes by combining sensing result of multiple cognitive radio users. ...
To mitigate this issue, multiple cognitive radios can be cooperative work for spectrum sensing so cooperative spectrum sensing can greatly improve the probability of detection in fading channels. ...
doi:10.17577/ijertv6is020273
fatcat:zyoo2hzqfzhuhkvhf3yp2xunqi
A framework for the simulation of CR-VANET channel sensing, coordination and allocation
[article]
2015
arXiv
pre-print
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As such, the need of a framework to reliably compare the relative performances of different channel sensing, allocation and coordination schemes which takes into account the movement of vehicles is felt ...
A lot of methods for coordination and channel allocation in the context of VANETs are being introduced. ...
In [5] it is proposed to use energy detection technique over a Gamma-shadowed Nakagami-composite fading channel for both large and small scale fading in VANETs. ...
arXiv:1506.02220v1
fatcat:n4vlmr3g3jeqtakxsx5cm37s24
Cooperative spectrum sensing in cognitive radio networks: A survey
2011
Physical Communication
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The factors under consideration include sensing time and delay, channel impairments, energy efficiency, cooperation efficiency, mobility, security, and wideband sensing issues. ...
Spectrum sensing is a key function of cognitive radio to prevent the harmful interference with licensed users and identify the available spectrum for improving the spectrum's utilization. ...
fading channels including Rayleigh and more general Nakagami fading are given in [9] . ...
doi:10.1016/j.phycom.2010.12.003
fatcat:yi3w76foy5aznoa5nrcfbmwsya
Neighbor Conduct Sensitive QoS Variance Aware Spectrum Sensing and Allocation
IJARCCE - Computer and Communication Engineering
2015
IJARCCE
IJARCCE - Computer and Communication Engineering
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In this context here we devised a Neighbor Conduct Sensitive QoS variance assessment strategy for cooperative spectrum sensing and channel allocation strategy, which enables to assess the QoS state of ...
Henceforth the current research is moving in a direction to find effective solutions towards QoS aware spectrum sensing and channel allocation. ...
Fading scope (-): Is also another negative metric, which indicates the possibility of channel fading during spectrum utilization. this metric can be measured as follows: nof is indicating the number of ...
doi:10.17148/ijarcce.2015.4383
fatcat:jrsndko65zbqjfyffuc3lop6mi
Classification and analysis of spectrum sensing mechanisms in Cognitive Vehicular Networks
2018
EAI Endorsed Transactions on Smart Cities
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Second, we discuss, for each class, the impact of the vehicular environment effects such as traffic density, speed and fading on the spectrum sensing and data fusion techniques. ...
As a first step towards an appropriate spectrum sensing solution for CVNs, we first, provide a comprehensive classification of existing spectrum sensing techniques for CVNs. ...
In fact, the spectrum sensing accuracy depends on the vehicle's speed, traffic density and the channel fading. ...
doi:10.4108/eai.12-2-2018.154105
fatcat:ck2qzoqjnvgo5oh5co3s4bdfzq
Foreword by Guest Editors for the Special Issue on the 2013 ICUFN Conference
2014
Wireless personal communications
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The eleventh paper entitled "On the Capacity of Secondary Networks over Opportunistic Spectrum Access in Rayleigh Fading Channels" studies the effect of the opportunistic spectrum access on the spectrum ...
The fourth paper entitled "Cooperative Spectrum Sensing with Adaptive Node Selection for Cognitive Radio Networks" proposes a selection probability based cooperative spectrum sensing scheme that exploits ...
doi:10.1007/s11277-014-2046-y
fatcat:kntq3gpvung7zncbgdk4qqsvpu
A Novel Algorithm for Cooperative Distributed Sequential Spectrum Sensing in Cognitive Radio
[article]
2012
arXiv
pre-print
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This paper considers cooperative spectrum sensing in Cognitive Radios. ...
In our previous work we have developed DualSPRT, a distributed algorithm for cooperative spectrum sensing using Sequential Probability Ratio Test (SPRT) at the Cognitive Radios as well as at the fusion ...
We further extend these algorithms to cover the case of unknown SNR and channel fading. ...
arXiv:1010.1071v2
fatcat:t6nziljzhreavm5dl4iypqatfa
Comparative Study of Bayesian and Energy Detection Including MRC Under Fading Environment in Collaborative Cognitive Radio Network
2017
International Journal of Advanced Computer Science and Applications
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We proposed a new architecture and algorithm that shows the step by step spectrum sensing procedure using Energy detection and Bayesian detection in collaborative environment for an optimal number of users ...
The most important component of Cognitive Radio Network (CRN) is to sense the underutilised spectrum efficiently in fading environment for incorporating the increasing demand of wireless applications. ...
The aim of this paper is to optimise the collaborative spectrum sensing by considering ED and BD over different fading channels like Rayleigh, Nakagami-m and Normal or Gaussian fading under MRC technique ...
doi:10.14569/ijacsa.2017.080550
fatcat:meoyqncnj5hyxaw4nfxg7g5zs4
Differentiated Statistical QoS Guarantees for Real-Time CBR Services in Broadband Wireless Access Networks
2010
2010 International Conference on Computational Intelligence and Software Engineering
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Spectrum Sensing
over Fading Channels
Nima Reisi
K.N.Toosi University of
Technology, Iran
ID
Paper Title
Author
Affiliation
30888 A Method of Signaling Precoder Information for Dynamical ...
Collaborative Sensing under Transmission Power Constraint
Cuimei Cui
31091
Closed-Form Error Analysis of OFDM-Based Selective Decode-and-Forward Cooperative
Networks over Nakagami-m Fading Channels ...
doi:10.1109/wicom.2010.5601439
fatcat:kaereulmjzhbdpknj727a4vuri
Performance analysis of energy detection over mixture gamma based fading channels with diversity reception
2015
2015 IEEE 11th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)
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The present paper is devoted to the evaluation of energy detection based spectrum sensing over different multipath fading and shadowing conditions. ...
To this end, novel analytic expressions are firstly derived for the probability of detection over MG fading channels for the conventional single-channel communication scenario. ...
PROBABILITY OF DETECTION OVER COMPOSITE FADING CHANNELS
A. ...
doi:10.1109/wimob.2015.7347990
dblp:conf/wimob/AlhusseinHSMLAK15
fatcat:ejag62lf5bamtfdk6yib346l6e
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