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direct sequence spread spectrum transmission

Comparative Simulation & Analysis of 2- PSK Spreading Transceiver

Comparative Simulation & Analysis of 2- PSK Spreading Transceiver

... therefore direct sequence spread spectrum (DSSS) is proposed in addition to binary phase shift keying (BPSK), which not only have anti-jamming capability, concealment and low SNR but also ...

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Analysis of Simulation Parameters of Pulse Shaping FIR Filter for WCDMA

Analysis of Simulation Parameters of Pulse Shaping FIR Filter for WCDMA

... IMT-2000 direct spread ...a Direct Sequence Spread Spectrum (DSSS) signal through the processing gain and the coding gain can be used to enable many DSSS signals to occupy the ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

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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SECURED COMMUNICATION USING SPREAD SPECTRUM TECHNIQUES

SECURED COMMUNICATION USING SPREAD SPECTRUM TECHNIQUES

... Spread Spectrum communication system holds a promising future for heightened secured ...a spread spectrum (i.e..) transmission of signal which occupies bandwidth much in excess of ...

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A Secure Message Exchange and Anti-Jamming Mechanism in MANET

A Secure Message Exchange and Anti-Jamming Mechanism in MANET

... ABSTACT: Secure neighbor discovery is the fundamental process in the MANET deployed in aggressive environment. It refers to the process that nodes exchange messages to discover and authenticate each other. It is ...

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Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA

Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA

... The spread spectrum techniques for digital communication were originally developed for military applications because of their high security and their susceptibility to interference from other ...day ...

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Using chaotic sequence in direct sequence spread spectrum based on code 
		division multiple access (DS CDMA)

Using chaotic sequence in direct sequence spread spectrum based on code division multiple access (DS CDMA)

... The paper aim was an investigation on use of chaotic sequence in DS-CDMA. The DS-CDMA systems offer physical layer security without the need for a significant increase in computation or power requirements. ...

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Direct Sequence Spread Spectrum with Barker Code and QPSK

Direct Sequence Spread Spectrum with Barker Code and QPSK

... Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS) in terms Bit Error Rate (BER) as the performance parameter for the ...different sequence codes ...

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Effectiveness of Multimedia Learing on achievement in Biology

Effectiveness of Multimedia Learing on achievement in Biology

... the spread spectrum technique works on the principle to use the information to be hidden to stretch it across the frequency spectrum of audio signal as greater as ...the spread spectrum ...

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Implementing Multiple Security for Audio Steganography

Implementing Multiple Security for Audio Steganography

... insure transmission medium ...modified Direct Sequence Spread spectrum) and cryptography (using advanced random permutation with multiple key applications) has been proposed in this ...

5

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... coding of a channel estimator is concerned with the channel consideration. For the estimation of signal, in [7] an impulse response of channel effect is used, where correlation logic is developed for a correlative ...

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Detection of direct sequence spread spectrum signals

Detection of direct sequence spread spectrum signals

... RF spectrum, have lead communication engineers to develop and adopt strategies to efficiently manage system resources in a dense user ...the transmission security techniques discussed in Section ...improved ...

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Contemporary Spread Spectrum Techniques: A Comparative Study Ashish G. Nandre 1, Yogesh R. Risodkar2

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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Mitigationof Security Risk in Satellite Communication by using Turbo coded DSSS

Mitigationof Security Risk in Satellite Communication by using Turbo coded DSSS

... the transmission rate of 1/3 bits per signaling ...for transmission improves the spectral efficiency ...increase transmission period, the puncturing matrix is must to use in coding like turbo code ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

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

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... "Enabling Efficiency in Data Dynamics for Storage Security in Cloud Computing", International Journal of Advanced Research in Computer and Communication Engineering, vol.. "Cursive scrip[r] ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... The rise of strength and the resilient modulus performance of SMA depends on increase over its compositions such as Bulk density and permeability coefficient and reduction over Air void contents which are required to be ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... At what values of the electric field strength and magnetic field induction is it possible to achieve the rectilinear uniform motion of α particle having an initial velocity of ϑ =3.0 ∙ 1[r] ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... In order to carry out the proposed research work, we propose modified approach for feature selection, feature reduction is carried out using adaptive genetic algorithm and finally classi[r] ...

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COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM 
(DS/SS) MODULATED SIGNAL

COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL

... The main aim of proposed work is to obtain best segmented image with less area, power and execution time using CSLA adder for FPGA implementation.. Vijai Singh et.al [12] has introduced [r] ...

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