[PDF] Top 20 ENERGY EFFICIENT COOPERATIVE SPECTRUM SENSING IN COGNITIVE RADIO
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ENERGY EFFICIENT COOPERATIVE SPECTRUM SENSING IN COGNITIVE RADIO
... Sensing in cognitive radio (CR) protects the primary user (PU) from bad ...However, sensing has two main challenges; first the CR is required to sense the PU under very low signal to ... See full document
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RF-Spectrum Opportunities for Cognitive Radio Networks Operating Over GSM Channels
... the radio frequency spectrum opportunities available in a common global system for mobile communications (GSM) channel to support the opera- tion of a cognitive radio network ...(CRN). ... See full document
9
Two stage spectrum sensing for cognitive radio using cyclostationarity detection and energy detection
... Two sensing techniques that have been commonly considered in cognitive radios are energy detection [4], [5], [6] and cyclostationary detection [9], ...While energy detection is a simple ... See full document
5
Overhead Reduction in Cooperative Spectrum Sensing Via Sequential Detection in Cognitive Radio Networks Under Bandwidth Constraint
... and efficient spectrum sensing plays an important role in cognitive radio ...fast sensing of spectrum is the main function of a cognitive radio for ... See full document
6
A Cooperative Spectrum Sensing Scheme Based on Trust and Fuzzy Logic for Cognitive Radio Sensor Networks
... operate in the unlicensed ISM (Industrial, Scientific and Medical) frequency band, for example, the ...And in a large-scale wireless sensor network, due to the event-driven nature, when an event occurs many ... See full document
5
WAVELET AND S-TRANSFORM BASED SPECTRUM SENSING IN COGNITIVE RADIO
... Abstract- Cognitive Radio is an intellectual radio having the ability of recognizing the vacant spectrum to transmit the data to avoid spectrum inefficiently usage ...the ... See full document
6
Analytical Model Analysis Of Distributed Cooperative Spectrum Sensing Method
... to spectrum sensing control, awareness networking and cooperative spectrum sensing in Figure ...1. Cooperative spectrum sensing is a powerful concept to ... See full document
4
Performance analysis of partial relay selection in cooperative spectrum sharing systems
... Abstract In recent years, cooperative diversity and cognitive radio have received consid- erable attention from the wireless communications community due to its performance gains and ... See full document
14
Routing in Cognitive Radio Networks - A Survey
... distance in which nodes have long transmission range, can lead to more SU interference and performance decreases due to more link ...with spectrum awareness is necessary to improve end to end ...for ... See full document
13
Power Allocation with Random Removal Scheme in Cognitive Radio System
... OF COGNITIVE RADIO The term Cognitive Radio was firstly described by Joseph Mitola ...the Cognitive Radio as a radio capable of analyzing the environment (as channels and ... See full document
6
A Novel Scheme to Improve the Spectrum Sensing Performance
... of spectrum for licensed users only, the need for secondary access by unlicensed users is ...increasing. Cognitive radio turns out to be helping this situation because all that is needed is a ... See full document
8
Multiple Detectors Based Analytical Performance of Spectrum Sensing
... a sensing period so as to determine whether the PU has emerged or ...of spectrum sensing is to detect the presence of PU correctly, ...increase in Signal-to-Noise ratio[5]. There are 3 major ... See full document
5
Channel Decision in Cognitive Radio Enabled Sensor Networks: A Reinforcement Learning Approach
... Authors in [6] proposed a novel biologically inspired consensus-based cooperative spectrum sensing scheme for cognitive radio mobile ad hoc networks ...making in this ... See full document
11
A Novel Reservation-based MAC Scheme for Distributed Cognitive Radio Networks
... The spectrum is sensed using an energy-based sensing (EBS) scheme, but more sophis- ticated spectrum sensing techniques may be adopted, such as the ones described in ...organized ... See full document
5
SPECTRUM SENSING IN COGNITIVE RADIO NETWORKS: QOS CONSIDERATIONS
... environments, cooperative sensing may lose its advantages as far as an individual SU is ...local sensing frequency in individual high mobility SUs is more efficient, in terms of ... See full document
11
ENERGY DETECTION BASED SPECTRUM SENSING FOR COGNITIVE RADIO
... Here, n = 0, 1, 2, ...., N-1, N represents the index of sample, w[n] specifies the noise and s[n] is the primary signal required to detect. H0 is the hypothesis which means that the received signal consists of the noise ... See full document
5
Parallel Cyclostationarity-Exploiting Algorithm for Energy-Efficient Spectrum Sensing
... Dynamic Spectrum Allocation for Cognitive Radio, which requires reli- able spectrum sensing ...the spectrum sensing methods proposed in the literature, those that ... See full document
8
Study and Optimization of Cooperative Spectrum Sensing in OFDM Cognitive Radio Networks
... In the paper, the detection performance of the ONPD algorithm is analyzed and a multiuser cooperation detection algorithm for OFDM signal is proposed, and the performance parameters of the algorithm have been ... See full document
5
User Characterization through Dynamic Bayesian Networks in Cognitive Radio Wireless Networks
... uncertainty in CRN as it makes possible the use of inference of events with probabilities using joint probability tables [18], allowing the BN deliver as system response percentages that estimate the probability ... See full document
13
A new SIR-based sigmoid power control game in cognitive radio networks.
... formula in this work also has two ...reduction in SIR, (ii) the algorithm can be practically implemented in a distributive manner without requiring additional information from BS, and (iii) a ... See full document
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