Spectrum Sensing Algorithms
Experimental Evaluation of Spectrum Sensing Algorithms for Wireless Microphone Signal
... the sensing band, and it exhibits more robust performance than the regular ED sensing ...multi-antenna sensing and cooperative sensing also perform ...other sensing algorithms ...
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A Framework to Analyze Energy Efficiency of Multi-Band Spectrum Sensing Algorithms
... based spectrum sensing algorithms are ...the spectrum sensing problem as supervised and unsupervised ...based spectrum sensing algorithms is to detect the pattern ...
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Spectrum sensing algorithms and software-defined radio implementation for cognitive radio system
... Hybrid Spectrum Sensing algorithms based on the combination of ED and Feature Detection techniques have been proposed for the reduction of the effect of noise variance uncertainty [ 29 , 30 ...
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Hybrid approach analysis of energy detection and eigenvalue based spectrum sensing algorithms with noise power estimation
... VIII. C ONCLUSION In this paper, the analysis of two semi-blind spectrum sensing algorithms, ED and RLRT, is extended to hybrid ap- proaches. Analytical expressions for the performance parame- ters, ...
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Spectrum Sensing Algorithms for Cognitive Radio Applications
... Spectrum sensing in defined by IEEE as the “The action of a radio mea- suring signal features” ...the algorithms adopted. The main disadvantages of spectrum sensing (SS) is the fact ...
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Optimized spectrum sensing algorithms for cognitive LTE femtocells
... The main problem with femotocells deployment is the RF interference that could happen between neighboring femtocells or between femtocells and macrocells. An attractive solution to this problem is to avoid interfer- ence ...
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Principal Components based Spectrum Sensing Algorithms for Cognitive Radio
... the algorithms is calculated by counting the number of times signal exists among all ‘n’ ...proposed algorithms are compared with the MME and EME algorithms ...time sensing the channel to ...
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Advanced RFI detection, RFI excision, and spectrum sensing : algorithms and performance analyses
... new spectrum sensing techniques that do not assume anything on the char- acteristics of the primary signal while considering ...excision algorithms that render efficient RFI excision at the cost of ...
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Cooperative spectrum sensing for cognitive radio
... "Eigenvalue-based spectrum sensing algorithms for cognitive radio," in IEEE Transactions on Communications, ...for spectrum sensing in cognitive radio networks under impulsive ...
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Spectrum Sensing Through Implementation of USRP2
... radio spectrum can be considered as a natural ...radio spectrum by various different transmitters and receivers is governed by the different regulatory authorities and ...the spectrum utilization ...
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Cooperative spectrum sensing: performance analysis and algorithms
... through spectrum sensing, the ultimate goal for the secondary user is to access the licensed ...of sensing-throughput trade- off by relaxing some realistic ...the sensing channel is ...
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Spectrum sensing for cognitive radios: Algorithms, performance, and limitations
... sequential sensing scheme has been proposed in this thesis where the secondary users send sufficient statistics like log-likelihood ratios to the fusion center which sequentially makes the final ...cooperative ...
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Approaches to Spectrum Sensing and Spectrum Sharing Algorithms in Cognitive Radio Networks: Survey
... spectrum sensing. In this paper, survey of various problem of spectrum sensing in cognitive radio networks are ...of spectrum sensing techniques are ...of spectrum ...
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Threshold Setting Algorithms for Spectrum Sensing in Cognitive Radio Networks
... a(0 < a < 1) is the influence ratio mainly affected by the energy of the received signal to determine the adaptive threshold. Fig. 3.2 shows the process of how to determine the energy component of proposed adaptive ...
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Collaborative Spectrum Sensing Optimisation Algorithms for Cognitive Radio Networks
... opportunistic spectrum access possible which can be implemented either by knowledge management mechanisms or by spectrum sensing ...on spectrum sensing, observations of a single CR are ...
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Collaborative spectrum sensing optimisation algorithms for cognitive radio networks
... opportunistic spectrum access possible which can be implemented either by knowledge management mechanisms or by spectrum sensing ...on spectrum sensing, observations of a single CR are ...
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Implementation of FBMC with Parallel Algorithms for High Performance Spectrum Sensing and Transmitting
... The kth synthesis filter is defined by, III. UNIFIED PARALLEL ALGORITHM FOR THE TRANSMITTER To reduce transmitter complexity, people usually compute the samples of (6) and then use a digital to analog converter (DAC) to ...
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Advanced Genetic Algorithms for Spectrum Sensing Techniques for Cognitive Radio Communications
... Considering the cognitive wireless networks with the operating frequency of 2.4GHz, one chromosome structure with two gene formation such as the RSSI and the power which are shown in figure 3 and 4 respectively. IV. ...
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Rapid Spectrum Sensing Algorithm in Cooperative Spectrum Sensing for a Large Network
... available spectrum through dynamic access ...operative spectrum sensing, decision of spectrum availability is taken based on collective decision by multiple cognitive ...cooperative ...
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Summary of best efficient algorithms on cognitive radio cooperative spectrum sensing to improve QoS
... the algorithms run for 100 times and the average of all results is called mean in our experiment and the best one among these all 100 simulations which results minimum P e is named as Max ...PSO algorithms ...
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