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Probability of detection (Pd)

To Improve the Probability of Detection in Spectrum Sensing by Using Equal Gain Combining Technique

To Improve the Probability of Detection in Spectrum Sensing by Using Equal Gain Combining Technique

... Energy Detection (ED) and covariance absolute value (CAV) methods do not require any information about the signals, channel, and noise ...Energy Detection (ED) and covariance absolute value ...the ...

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Tracking Unknown Number of Stealth Targets in a Multi-Static Radar with Unknown Receiver Detection Profile Using RCS Model

Tracking Unknown Number of Stealth Targets in a Multi-Static Radar with Unknown Receiver Detection Profile Using RCS Model

... A signal with an SNR enters the DOA estimator receivers, and according to intersection of the transmitter beam direction and DOAs, the targets positions are evaluated in the Cartesian coordinate. In these problems, ...

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Simulation of Probability of False Alarm and Probability of Detection Using Cyclo Stationary Detection Technique in Coginitive Radio

Simulation of Probability of False Alarm and Probability of Detection Using Cyclo Stationary Detection Technique in Coginitive Radio

... miss detection probabilities to be below target level should also be considered since it guarantees minimum required protection level of primary user and usage level of vacant spectrum For cooperative spectrum ...

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Decisive Factors of False Detection on Spectrum Sensing in Cognitive Radio

Decisive Factors of False Detection on Spectrum Sensing in Cognitive Radio

... using probability of detection (Pd) and SNR as ...for probability detection than OR rule and Majority rule under the AWGN channel and Fading ...

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Testing and Evaluation of Modified Dynamic threshold Energy Detection Algorithm for CR Sensing Applications T. Srinivas , B. Jagadeesh Babu, G.Bheemeswara Rao

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 ...

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The Tragedy Of Commons Mimo Homogeneous Network And Sic Technology

The Tragedy Of Commons Mimo Homogeneous Network And Sic Technology

... observed that probability of detection performs better when the mobile towers are used in a combine fashion. The unused spectrum can be allocated to some user who needs extra band to download some high ...

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Throughput analysis of full duplex communication cognitive radio network

Throughput analysis of full duplex communication cognitive radio network

... high probability of detection of PU but also increased data transmission which means more throughput for ...for probability of detection P D , probability of false alarm P FA at various ...

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Performance of Multiple Antennas Cognitive Relay Networks

Performance of Multiple Antennas Cognitive Relay Networks

... For cooperative spectrum sensing, let N denote the number of users sensing the PU. Each user makes its own decision regarding whether the PU present or not, and forward it's binary (0, 1) decision to the collaborative ...

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Efficient Cyclostationary Detection Based Spectrum Sensing in Cognitive Radio Networks

Efficient Cyclostationary Detection Based Spectrum Sensing in Cognitive Radio Networks

... In some applications we do not need to know the exact peak amplitudes and locations, rather we need to know the number or general location of peaks, in this case we use an absolute threshold function. The absolute ...

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Improved Spectrum Sensing Technique using Multiple Energy Detectors for Cognitive Radio Networks

Improved Spectrum Sensing Technique using Multiple Energy Detectors for Cognitive Radio Networks

... improved detection performance at low signal to noise ratio ...of probability of false alarm P f , and probability of detection P d ...

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Delphinid echolocation click detection probability on near seafloor sensors

Delphinid echolocation click detection probability on near seafloor sensors

... average probability of detection over a large number of encounters and a variety of ...comparing detection probability predictions calculated using mean profiles from January and July ...

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Vol 7, No 7 (2017)

Vol 7, No 7 (2017)

... intrusion detection system and with increase in network density the false negative rates ...in detection nodes the probability of detection rate is increased and false positive rate only ...

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Performance Analysis of CBSS for CR Based 5G

Performance Analysis of CBSS for CR Based 5G

... It is mentioned in [12] and [13] that the Wishart matrices greatest and lowest eigenvalues are estimated to deterministic quantities. The greatest eigenvalue follows Tracy-Widom distribution with big sample numbers of ...

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An Improved Adaptive Genetic Algorithm Based on Multi   user Cooperative Spectrum Sensing

An Improved Adaptive Genetic Algorithm Based on Multi user Cooperative Spectrum Sensing

... cooperative detection can effectively improve the reliability of detection by combining different cognitive users to detect the primary users and reduce the impact of external factors which usually appear ...

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A Secure Intrusion Detection System for Heterogeneous Wireless Sensor Networks

A Secure Intrusion Detection System for Heterogeneous Wireless Sensor Networks

... An intrusion detection system is used to detect several types of ma- licious behaviors that can compromise the security and trust of a computer system. This includes network attacks against vulnera- ble services, ...

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A New Detection Algorithm Based on CFAR for Radar Image with Homogeneous Background

A New Detection Algorithm Based on CFAR for Radar Image with Homogeneous Background

... new detection algorithm based on constant false alarm rate (CFAR) algorithm, which is applicable to radar image with homogeneous background, is proposed in this ...the probability model of background ...

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SIMULATION OF COOPERATIVE SPECTRUM SENSING TECHNIQUES IN COGNITIVE RADIO USING MATLAB

SIMULATION OF COOPERATIVE SPECTRUM SENSING TECHNIQUES IN COGNITIVE RADIO USING MATLAB

... reliable detection of the presence of primary users is of uttermost importance since the cognitive radio operating as a secondary system is not allowed to cause harmful interference to the primary ...alarm ...

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Effects of Vegetation and Background Noise on the Detection Process in Auditory Avian Point Count Surveys.

Effects of Vegetation and Background Noise on the Detection Process in Auditory Avian Point Count Surveys.

... maximum detection distance of several species of ...detectable; detection was highest in white spruce (Picea glauca) forest and lowest in young aspen (Populus ...minimize detection bias associated ...

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Automatic Redeye Correction in Digital Photos

Automatic Redeye Correction in Digital Photos

... algorithm to mach a statistical model of object shape and appearance to a new image. Participating color information and a deformable model they defined red eyes as deformable objects. Volken et al. in 2006 based their ...

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Detection of Primary User in Cognitive Radio Using Bayesian Approach

Detection of Primary User in Cognitive Radio Using Bayesian Approach

... users (SUs) is allowed to use the spectrum originally allocated to primary users (PUs) as long as the primary users are not using it temporarily. This operation is called opportunistic spectrum access (OSA). To avoid ...

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