• No results found

Spectrum Sensing and Detection Algorithm.

Performance and Evaluation of Energy Detector and Matched Filter under AWGN

Performance and Evaluation of Energy Detector and Matched Filter under AWGN

... energy detection algorithm by varying some parameters and the performance of dynamic threshold on spectrum sensing algorithms (Matched filter detection and Energy ...MF detection ...

16

A novel cooperative spectrum signal detection algorithm for underwater communication system

A novel cooperative spectrum signal detection algorithm for underwater communication system

... compressed sensing technology into spectrum perception. Compressive sensing technology has a huge application ...compressive sensing theory to cognitive radio, using wavelet edge ...

10

Wideband spectrum sensing using adaptive neuro fuzzy inference system in 
		cognitive radio networks

Wideband spectrum sensing using adaptive neuro fuzzy inference system in cognitive radio networks

... (RF) spectrum is anexpensive and limited natural resource for wireless communication ...effectiveness. Spectrum sensing is one of the most decisive elements in a CR system facilitating CR to access ...

6

Energy Detection Using Discrete Wavelet Transform in Cognitive Radio System

Energy Detection Using Discrete Wavelet Transform in Cognitive Radio System

... the detection of the received signal with the respect ...energy detection algorithm which is based for evaluating the performance of the once we decompose our signal at higher level and also by ...

7

Rapid Spectrum Sensing Algorithm in Cooperative Spectrum Sensing for a Large Network

Rapid Spectrum Sensing Algorithm in Cooperative Spectrum Sensing for a Large Network

... missed detection and false alarm probability is high if very few or high number CR’s are ...missed detection and false alarm probability is low, so cooperative spectrum sensing allocation is ...

7

Blind Spectrum Sensing Algorithm Based on Blind Signal Separation in Cognitive Radar

Blind Spectrum Sensing Algorithm Based on Blind Signal Separation in Cognitive Radar

... The spectrum sensing is the important component of the cognitive ...blind spectrum sensing algorithm based on blind signal separation is ...traditional spectrum sensing ...

6

A Novel Algorithm for Cooperative Spectrum Sensing in Cognitive Radio Networks

A Novel Algorithm for Cooperative Spectrum Sensing in Cognitive Radio Networks

... the spectrum is free, rendering the SU losing the opportunity to use the ...samples. Sensing is formulated based on energy and correlation ...of detection and false alarm for different scenarios of ...

5

Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection

Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection

... trum sensing emerging in detection theory, deriving from differential algebra, noncommutative ring theory, and operational ...based algorithm for spectrum sensing by change point detec- ...

9

Performance Analysis of Two-Stage Spectrum Sensing for Cognitive Radio Networks

Performance Analysis of Two-Stage Spectrum Sensing for Cognitive Radio Networks

... radio spectrum. Spectrum sensing is most important and basic operation of cognitive ...Two-stage spectrum sensing algorithm in order to increase the sensing performance of ...

6

Energy Efficient Spectrum Sensing and Sensor Scheduling Scheme for MIMO-OFDM Based Cognitive Radio Network

Energy Efficient Spectrum Sensing and Sensor Scheduling Scheme for MIMO-OFDM Based Cognitive Radio Network

... efficient spectrum sharing technology, Cognitive Radio (CR) is proposed to increase the usage of the available ...robust spectrum access network or spectrum distribution ...the spectrum holes ...

9

SPECTRUM SENSING TECHNIQUES AND ISSUES IN COGNITIVE RADIO

SPECTRUM SENSING TECHNIQUES AND ISSUES IN COGNITIVE RADIO

... for spectrum opportunities are detected reliably by interacting or cooperating with other users, and the method can be implemented as either centralized access to spectrum coordinated by a spectrum ...

9

Joint detection scheme for cooperative spectrum sensing in cognitive radio network

Joint detection scheme for cooperative spectrum sensing in cognitive radio network

... This work presents a new framework to reach dynamic spectrum sharing in TVFF channels. The central question addressed in the paper is how to effectively detect the oc- cupancy of PU’s band and estimate the CSI ...

11

Study Of  Spectrum Sensing Techniques For OFDM Based Cognitive Radio

Study Of Spectrum Sensing Techniques For OFDM Based Cognitive Radio

... standards.OFDM’s sensing and spectrum shaping capabilities together with its flexibility and adaptivity make it the best transmission technology for CR ...system. Spectrum sensing helps to ...

6

Spectrum Sensing and Security in Cognitive Radio

Spectrum Sensing and Security in Cognitive Radio

... a spectrum; the motivation behind the attack is divided into two categories: Selfish PUE attack and Malicious PUE ...energy detection based spectrum sensing method in order to reduce ...

9

Comparative analysis of Energy detection and Cyclostationary feature detection methods for AWGN, Rayleigh and Rician channels

Comparative analysis of Energy detection and Cyclostationary feature detection methods for AWGN, Rayleigh and Rician channels

... of spectrum has been a great issue for ...the spectrum to increase its efficiency by utilizing it ...on sensing the spectrum in order to find out the licensed underutilized spectrum, to ...

7

Spectrum Sensing with Largest Eigenvalue in Cooperative Cognitive Vehicular Networks

Spectrum Sensing with Largest Eigenvalue in Cooperative Cognitive Vehicular Networks

... As shown in Fig. 1, to improve the performance of spectrum sensing, the vehicles in the same area compose a cooperation cluster. And every vehicle in the cluster is equipped with a sensor that consists of ...

6

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 and CAV. In figure 1, energy sensing method is ...energy sensing process has two steps [13] as shown in ...having Sensing time interval T and a square law device, measure the ...

8

A Review Paper based on Spectrum Sensing Method for Cognitive Radio

A Review Paper based on Spectrum Sensing Method for Cognitive Radio

... According to survey from Federal Communications Commission (FCC) in 2002, it has been found that spectrum access is more significant problem than physical scarcity of spectrum [5]. With number of ...

6

Estimation of Best Spectrum Sensing Concept in Cognitive Radio Networks

Estimation of Best Spectrum Sensing Concept in Cognitive Radio Networks

... matched-filter detection, the dynamic threshold is used to recover the spectrum-sensing effectiveness and provide better performance in cases of poorer SNR ...matched-filter detection with ...

5

Analysis of Cyclostationary and Energy based Detection

Analysis of Cyclostationary and Energy based Detection

... time spectrum sensing with certain accuracy The Spectrum sensing technique used was ...different detection points, he determines the best detection ...Combination ...

5

Show all 10000 documents...

Related subjects