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Reseach Article

Simulation and Analysis of Radio over Fiber (RoF) Systems using Frequency Up-Conversion Technique

by Vimala Reddy, Lochan Jolly
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 133 - Number 12
Year of Publication: 2016
Authors: Vimala Reddy, Lochan Jolly

Vimala Reddy, Lochan Jolly . Simulation and Analysis of Radio over Fiber (RoF) Systems using Frequency Up-Conversion Technique. International Journal of Computer Applications. 133, 12 ( January 2016), 36-43. DOI=10.5120/ijca2016908074

@article{ 10.5120/ijca2016908074,
author = { Vimala Reddy, Lochan Jolly },
title = { Simulation and Analysis of Radio over Fiber (RoF) Systems using Frequency Up-Conversion Technique },
journal = { International Journal of Computer Applications },
issue_date = { January 2016 },
volume = { 133 },
number = { 12 },
month = { January },
year = { 2016 },
issn = { 0975-8887 },
pages = { 36-43 },
numpages = {9},
url = { },
doi = { 10.5120/ijca2016908074 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T23:31:00.966182+05:30
%A Vimala Reddy
%A Lochan Jolly
%T Simulation and Analysis of Radio over Fiber (RoF) Systems using Frequency Up-Conversion Technique
%J International Journal of Computer Applications
%@ 0975-8887
%V 133
%N 12
%P 36-43
%D 2016
%I Foundation of Computer Science (FCS), NY, USA

Radio-over-Fiber (RoF) technology is an integration of microwave and optical networks [1]. RoF technology uses optical fiber as a backend technology due to the enormous advantages offered by it. SCM-WDM RoF systems (Sub-carrier based Wavelength division multiplexing RoF system) improves spectral efficiency with high dispersion tolerance [7]. The data to be transmitted is electrically modulated with an IF (Intermediate frequency)or a RF (Radio frequency) carrier and electrically multiplexed using a multiplexer these signals are further optically modulated using an optical modulator and multiplexed using WDM to exploit the high bandwidth offered by the optical fiber. A comparison between IF over fiber and RF over has been analyzed in terms of quality factor and BER (Bit error rate) in a RoF system. In which the IF over fiber shows better performance than RF over fiber in terms of BER and Quality factor. IF signals are up-converted using HBT (Hetero-junction bipolar transistor) electronic mixer in the remote antenna units to the RF frequencies with the help of LO (local oscillator) and transmitted wirelessly [27].

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Index Terms

Computer Science
Information Sciences


External optical Modulation Frequency up-conversion remote antenna units IF based RoF system RF based RoF system HBT (Hetero-junction bipolar transistor).