Direct sequence spread spectrum serial acquisition in a nonselective and frequency selective Rician fading channel

2002 ◽  
Author(s):  
E. Sourour ◽  
S.C. Gupta ◽  
W. Refai
Keyword(s):  
Spread Spectrum ◽  
Fading Channel ◽  
Direct Sequence Spread Spectrum ◽  
Rician Fading ◽  
Direct Sequence ◽  
Rician Fading Channel ◽  
Frequency Selective

scholarly journals Implementation of DSSS system of image using MATLAB

2020 ◽  
Vol 19 (3) ◽  
pp. 1358
Author(s):  
Samir Jasim Mohammed ◽  
Kadhim Hassan Kaittan
Keyword(s):  
Spread Spectrum ◽  
Fading Channel ◽  
Binary Data ◽  
Direct Sequence Spread Spectrum ◽  
Linear Feedback ◽  
Rician Fading ◽  
Rician Fading Channel ◽  
Pn Sequences ◽  
Correlation Properties ◽  
Spread Spectrum Systems

In direct sequence spread spectrum systems, pseudo sequence random (PN) are used to spreading data bits. There are various type of PN sequences are available with good correlation properties, on mostly are generating pn by linear feedback shift register (LFSR). Will examine in this paper we describe spreading binary random and spreading the image As well as studying probability bit error rate of DSSS system with change of the channel (Add white Gaussian noise channel, Rayleigh fading channel, Rician fading channel). Our study will be performed using MATLAB. Terms of completed my articles in building system developed to security transmitter and receiver the information of theft against communication digital system talk as well as the increase of data rate information. Was this design a way process of his used in applications military and have a major role also in the most applications requiring protect high for many information binary data and image. So that the system designed as fits practice and prevent the overlap the outside after it has become send signals in communication system exhibition penetration and Intentional attacks or other breaches.

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