direct sequence spread-spectrum technology
Spread Spectrum Sensing Techniques for Transformer Frequency Response Data
... wireless technology applications ...channels, spread spectrum is proposed in the literature [3]. Spread spectrum can be defined as a modulation technique in which pseudo-random ...
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Effectiveness of Multimedia Learing on achievement in Biology
... new technology being developed called ...modified Direct Sequence Spread spectrum) and cryptography (using advanced random permutation with multiple ...
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Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA
... of spread spectrum technology for data transfer to overcome the interference problems associated with narrow band, very high frequency and ultra high frequency data transfer ...The spread ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Biometrics is the technology of identifying people using human physiological features. There are several kinds of biometrics recognition systems such as fingerprint, palm print, face, iris, etc. [1][2]. ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... locally. A novel group access AKA protocol for MTC, called MTC-AKA, to facilitate MTC devices, which have been subscribed in the HN to roam from HN to SN. In the MTC-AKA, each MTC devices provides its identity when it ...
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Analysis of Simulation Parameters of Pulse Shaping FIR Filter for WCDMA
... IMT-2000 direct spread ...wireless technology that promises much higher data speeds to mobile and portable wireless devices than commonly offered in today's ...a Direct Sequence ...
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Comparative Simulation & Analysis of 2- PSK Spreading Transceiver
... communication technology has taken on a prominent position in indoor environment applications recently, therefore direct sequence spread spectrum (DSSS) is proposed in addition to ...
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Implementing Multiple Security for Audio Steganography
... Steganography [3] works by replacing bits of useless or unused data in regular computer files such as graphics, sound, text, HTML, or even video with bits of different, invisible information. This hidden information can ...
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Contemporary Spread Spectrum Techniques: A Comparative Study Ashish G. Nandre 1, Yogesh R. Risodkar2
... Spread spectrum techniques use data independent, random sequences to spread a narrow band information signal over wideband of ...random sequence to retrieve the original information ...of ...
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BER Calculation for CDMA System Using PN & Gold Sequence
... distribution spectrum there are so many kinds of channels, here in the analysis of system I have used AWGN channel which introduce noise on the basis of channel ...
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Performance Improvement of Wireless Communications Using Frequency Hopping Spread Spectrum
... In this paper the focus is to improve wireless communi- cation performance by adaptive frequency hopping which is implemented by selecting sets of communication chan- nels and adaptively hopping sender’s and receiver’s ...
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FHSS, DSSS, And Hybrid DS/FH Performance Evaluation For VSAT
... Hopping Spread Spectrum Model At the transmitter, the Bernoulli Binary Generator block generates random binary data with symbol width of ...FH Sequence Generator subsystem generates FH ...
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Using chaotic sequence in direct sequence spread spectrum based on code division multiple access (DS CDMA)
... significant feature of the chaotic system are it’s sensitively dependence on its initial condition. It is properly illustrated by the finding of professor Flikkema, teaching meteorology at MIT. In 1997, Flikkema ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... control sequence is simply calculated by minimizing a cost function obtained through the prediction of the output system over a predefined horizon in order to control variables and to make the controlled variables ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... The minimum radius of horizontal curvature depends on design speed, rate of super elevation, coefficient of friction and the allowable lean angle of the bicyclist.. By ignoring the coeff[r] ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... The PID controller is design using Ziegler Nichols method and tuned for obtaining the best controller gains, the LQR controller utilizes four different controller gains to control the fl[r] ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Finally, to improve the gene encode/decode latency, a Gene-based decoding using uniform crossover was performed through Hash Spatial Vector-based Template Authentic Key Generation algori[r] ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Keywords: Wireless Local Area Networks WLAN, Intrusion Detection System IDS, Network topology, Ad-hoc Network, Network attack 1... Although Intrusion detection has been extensively studi[r] ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Secondly, among several combinations of missing value techniques with attribute subset selection methods, we found that the combination of replacement with mean as a missing value replac[r] ...
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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... An approach used to separate the signal from the jamming in spread spectrum systems is the excision of the portion of spectrum where the interference is located (see Fig. 1). Fig. 2 shows the basic ...
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