alarm probability
Improved Spectrum Sensing Technique using Multiple Energy Detectors for Cognitive Radio Networks
... of probability of detection and probability of false alarm for given ...false alarm probability for MEDs was measured less than 1 at - 15 dB SNR, & it detected signal at - 10 dB, ...
11
Optimized Dynamic Threshold Adjustment Method for Cooperative Detection
... Figure 5 shows the curve of cooperative false alarm probability and system detection error rate with the number of cooperative users. In order to facilitate comparison, the simulation results of constant ...
5
Throughput analysis of full duplex communication cognitive radio network
... the probability of detection and probability of false alarm used for receiver operating characteristic curve (ROC) to see the detector performance and the throughput for secondary ...on ...
15
SECRET DATA HIDING BY OPTIMIZING GENERAL SMOOTHNESS DIFFERENCE EXPANSION BASED METHOD
... Since the distribution of the alternative Hotelling's T 2 statistics are unknown and the distribution of the data considered in this paper is non normal, the upper control limit (UCL) for each of the proposed alternative ...
12
Energy Detector in Cognitive Radio for TV White Spaces by Software Defined Radio
... To capture the results, the frequency range of 506 to 512 (MHz) is shown, although the analysis and the sensing were performed for each of the TV channels by analyzing their respective frequencies, this band of ...
5
A Hybrid of Optical and Wireless Communications System
... detection probability of the preamble and a very small false alarm ...false alarm probability is insignificant since the random data bits “0” and “1” are considered ...
7
A control chart procedure for student grade monitoring
... false alarm probability of signaling the presence of special cause variation when it is not present is kept at a very low figure such as ...false alarm can be expected for every 370 points plotted on ...
10
A search for pulsations in helium white dwarfs
... false- alarm probability is naturally generated, which states that for M independent frequency bins, the probability that independent and normal noise produces power greater than z in any of the ...
15
Computation of the Normalized Detection Threshold for the FFT Filter Bank-Based Summation CFAR Detector
... [4] R. S. Walker, The Detection Performance of FFT Processors for Narrowband Signals, D.R.E.A. Techincal Memorandum 82/A, De- fence Research Establishment Atlantic, Research and Development Branch, Department of ...
14
IJARSE, Vol. No.2, Issue No.4, April, 2013 ISSN-2319-8354(E)
... This paper presents the study and the realization of a hybrid 60 GHz wireless communications system. As the 60 GHz radio link operates only in a single-room configuration, an additional Radio over Fibre (RoF) link is ...
9
Spectrum Sensing for Cognitive Radio Using Genetic Algorithm
... Abstract—Cognitive Radio has been skillful technology to improve the spectrum sensing as it enables Cognitive Radio to find Primary User (PU) and let secondary User (SU) to utilize the spectrum holes. However detection ...
10
Improved energy detector for random signals in Gaussian noise
... Fig. 5 compares the ROC curve of the conventional energy detector with that of the new energy detector with optimized 𝑝 from (17). The theoretical results for the conventional and new energy detectors are obtained by ...
8
Signal Detection of Co Operative Cognitive Radio Network under Neural Network
... In this paper the analytical and simulation results of probability of detection and false alarm of a co-operative cognitive radio network are compared under both awgn and Rayleigh fading environment. After ...
13
Optimization of Cooperative Spectrum Sensing and Network Lifetime Maximization of Cognitive Radio Sensor Networks by MODLEACH
... the probability of false alarm against the detection ...the probability of false alarm against the detection probability graph using MODLEACH and and also ...
7
Automatic Threshold Determination for a Local Approach of Change Detection in Long-Term Signal Recordings
... the probability of false alarm especially in the elec- tromyography signals which are long duration ...the probability of detec- tion with respect to the probability of false ...
7
Protection Model of Security Systems Based on Neyman Person Criterion
... method is a qualitative assessment to the crime preven- tion system based on management science. In 2007, Gar- cia [8] gave an integrated approach for designing physi- cal security systems. The protection effectiveness ...
6
The extreme runoff index for flood early warning in Europe
... Figure 6 shows the POD and FAR calculated on the same data set of forecasts and simulations, averaged among all points and displayed as a function of the lead time. Such skill measures are based on binary outcomes of ...
11
Electron-Impact Ionization of Boronfluorides BFx (x=1, 2 & 3)
... The results of spectrum sensing that is based on square law (SL) energy detection methods at different probability of detection and false alarm for non-fading AWGN Channel are shown. After the energy ...
7
Detection of Primary User in Cognitive Radio Using Bayesian Approach
... The overall received vector is the concatenation of real and maginary parts, written here as .The pdf of y is in the form of standard multivariate normal distribution of the form The proportionality sign is used to omit ...
5
Testing and Evaluation of Modified Dynamic threshold Energy Detection Algorithm for CR Sensing Applications T. Srinivas , B. Jagadeesh Babu, G.Bheemeswara Rao
... The Modified algorithm is used here for CR sensing is based upon predetermining the current activity of primary user such that two dynamic thresholds are calculated to rise or fall values of the Pd/Pfa. Hence from ...
6