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Performance Analysis of Radio over Fiber with Wdm PON System

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Author(s): Rakesh Chandan, Prem Nath Suman, Dharmendra Singh

Journal: International Journal of Engineering Research
ISSN 2319-6890

Volume: 2;
Issue: 8;
Start page: 488;
Date: 2013;
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Keywords: WDMPON | OLT (optical link terminal) | (ONU optical network unit) | EDFA (erbium doped fiber amplifier) | BER(bit error rate) | OSNR (optical signal to noise ratio) | SCM (sub carrier multiplexing) | Mobile switching center(MSC) | Base Station (BS) | Central Site (CS) | Remote Site(RS).

ABSTRACT
Radio over fiber is becoming an increasingly important technology for the wireless market since it introduces a good data transmission rate and large bandwidth. We have implemented a bidirectional radio over fiber (ROF) system. It is combination of SCM-ROF and optical wavelength division multiplexing (WDM) techniques to simplify the access network architecture. The combination of two different types has been performed to provide high bit data rate and wide bandwidth in cellular communication. The system allows different Base Stations (BS's) to be fed by a common fiber. Different wavelength channels can be allocated to different BSs depending on user requirements.We have also presented an investigation on the performance of sub-carrier Multiplexing (SCM) system in terms of degradation of channel capacity, variation of optical input power and variation of number of subcarriers.
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