RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL
The outdoor transmission channels condition in multiple wireless signals systems changes continuously due to signals transfer path characteristics. The path loss, multiple reflected rays Rayleigh fading and shadowing presents an important factor that effects inconsistent with signals propagation thr...
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doaj-728a1ae92c064d25ae499fdbb265051e2020-11-25T01:13:03ZengFaculty of Engineering, University of KufaMağallaẗ Al-kūfaẗ Al-handasiyyaẗ2071-55282523-00182019-04-01102114125http://dx.doi.org/10.30572/2018/kje/100209RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODELAshwaq Q. Hameed0Electrical Engineering Department University of Technology- Baghdad, IraqThe outdoor transmission channels condition in multiple wireless signals systems changes continuously due to signals transfer path characteristics. The path loss, multiple reflected rays Rayleigh fading and shadowing presents an important factor that effects inconsistent with signals propagation through the wireless channels of communication systems. The solutions for these effects will contribute to minimize the error probability of transferred data and maximize the data rate in high speed systems. This paper deals with the analysis of error probability using Probability density function (PDF) model of Signal to Noise ratio (SNR) for different values of transmitted signals power at outdoor receiver of multi users systems. The proposed approach use Rayleigh fading channels, 2GHz carrier frequency, (0-30) dB SNR, (0.1,0.2,0.3), (1,2,3) and (10,20,30) PW. The relationship between error probability and SNR has been studied to determine efficient transmission channels. The proposed channel model has been simulated and analyzed using MATLAB R2012b software under different users power signals values. The obtained results have showed accuracy as well as efficiency of the proposed method where the error probability is decrease when the SNR increase and the error probability decrease when decrease in the transmitted power signal. http://www.uokufa.edu.iq/journals/index.php/kje/article/view/8374Rayleigh fading–shadowinglognormal distributionerror probability |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ashwaq Q. Hameed |
spellingShingle |
Ashwaq Q. Hameed RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ Rayleigh fading–shadowing lognormal distribution error probability |
author_facet |
Ashwaq Q. Hameed |
author_sort |
Ashwaq Q. Hameed |
title |
RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL |
title_short |
RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL |
title_full |
RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL |
title_fullStr |
RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL |
title_full_unstemmed |
RAYLEIGH FADING - SHADOWING OF OUTDOOR CHANNELS ANALYSIS BASED ON SNR-PDF MODEL |
title_sort |
rayleigh fading - shadowing of outdoor channels analysis based on snr-pdf model |
publisher |
Faculty of Engineering, University of Kufa |
series |
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ |
issn |
2071-5528 2523-0018 |
publishDate |
2019-04-01 |
description |
The outdoor transmission channels condition in multiple wireless signals systems changes continuously due to signals transfer path characteristics. The path loss, multiple reflected rays Rayleigh fading and shadowing presents an important factor that effects inconsistent with signals propagation through the wireless channels of communication systems. The solutions for these effects will contribute to minimize the error probability of transferred data and maximize the data rate in high speed systems. This paper deals with the analysis of error probability using Probability density function (PDF) model of Signal to Noise ratio (SNR) for different values of transmitted signals power at outdoor receiver of multi users systems. The proposed approach use Rayleigh fading channels, 2GHz carrier frequency, (0-30) dB SNR, (0.1,0.2,0.3), (1,2,3) and (10,20,30) PW. The relationship between error probability and SNR has been studied to determine efficient transmission channels. The proposed channel model has been simulated and analyzed using MATLAB R2012b software under different users power signals values. The obtained results have showed accuracy as well as efficiency of the proposed method where the error probability is decrease when the SNR increase and the error probability decrease when decrease in the transmitted power signal.
|
topic |
Rayleigh fading–shadowing lognormal distribution error probability |
url |
http://www.uokufa.edu.iq/journals/index.php/kje/article/view/8374 |
work_keys_str_mv |
AT ashwaqqhameed rayleighfadingshadowingofoutdoorchannelsanalysisbasedonsnrpdfmodel |
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1725163630079508480 |