direct-sequence spread-spectrum communication system
Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA
... the parts back into the original sequence in case they are shuffled out of order. The splitting and aggregating the message is especially useful when you intend to process the split parts in asynchronous flows ...
9
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 ...
11
SECURED COMMUNICATION USING SPREAD SPECTRUM TECHNIQUES
... Spread Spectrum communication system holds a promising future for heightened secured ...a spread spectrum ...band spread is accomplished by utilising a code which is ...
6
The Effect of Channel Coding Rate on the Resistance of Direct-Sequence Spread-Spectrum Communication Systems to Narrow-Band Interference
... digital system in combating against the ...coded spread-spectrum systems and the available bandwidth must be optimally divided between these ...a direct-sequence ...
15
FHSS, DSSS, And Hybrid DS/FH Performance Evaluation For VSAT
... radio communication system is affected by several factors such as: interference, and jamming caused by some other parallel networks for the purpose of decreasing the performance of a given ...system. ...
5
BER Calculation for CDMA System Using PN & Gold Sequence
... but spread spectrum modulation technique is different from the other conventional communication ...system. Spread spectrum modulation utilizes the good correlation property and ...
5
Implementing Multiple Security for Audio Steganography
... Steganography system, secret messages are embedded in digital ...of communication in today’ ...modified Direct Sequence Spread spectrum) and cryptography (using advanced random ...
5
Direct Sequence Spread Spectrum with Barker Code and QPSK
... In real communication system we have links with limited bandwidths. The wise use of these bandwidths has been, and will be, one of the main challenges of electronic communications; the issue is different in ...
6
Using chaotic sequence in direct sequence spread spectrum based on code division multiple access (DS CDMA)
... chaotic system are it’s sensitively dependence on its initial ...dynamical system is a deterministic system, disguising modulation as noise would easily made upon its random- like behavior [5]? Laxmi ...
10
Effect of Length on Correlation of PN Sequence and Gold Sequence
... ABSTRACT: Spread spectrum modulation technique is different from the conventional communication ...Pseudo-random sequence is the basis of spread spectrum communication ...
5
Effect of length on Correlation of PN sequence and Gold sequence
... : Spread spectrum modulation technique is different from the conventional communication ...Pseudo-random sequence is the basis of spread spectrum communication systems ...
5
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... type communication in mobile broadband communication domain, especially for 3GPP standardization ...the system at the same time that is the reason for separate verification signaling ...and ...
10
Overlapping M ary Frequency Shift Keying Spread Spectrum Multiple Access Systems using Random Signature Sequences
... multiple-access spread-spectrum communication system using binary frequency shift keying (BFSK) or M-ary frequency shift keying (MFSK) and noncoherent demodulation is ...after ...
12
Review on Design and Implementation of DSSS-CDMA Transmitter using HDL with Raised Cosine Filter to Minimize ISI
... a direct sequence spread spectrum (DSSS-CDMA) system using HDL has been proposed with the raised cosine filter to minimize the ISI and the output waveforms has been simulated by using ...
8
Detection of direct sequence spread spectrum signals
... Wireless communication has become an integral component of both military and non- military life [13], where non-military refers to the use of communication systems in sup- port of civilian, criminal and ...
204
Design of a direct sequence spread spectrum system for power line communication
... O'Neal, Jr., "Overview of Power Distribution Line Carrier Communications Systems," IEEE C;~obat. Telecommunications Conference, Nov[r] ...
98
Comparative Simulation & Analysis of 2- PSK Spreading Transceiver
... Wireless communication technology has taken on a prominent position in indoor environment applications recently, therefore direct sequence spread spectrum (DSSS) is proposed in addition ...
5
DIFFERENT SPREADING SEQUENCES FOR PERFORMANCE COMPARISON OF DS-SS SYSTEM B Ch Kiran Patrudu*, D.Anil Prasad, B Ravi Kumar
... digital communication systems, the relevant measure of performance, in terms of its error-producing behavior, is the bit-error-rate (BER) versus signal-to-noise ratio (SNR) ...
6
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 ...
5
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 ...a system which uses the ...
5