Performance Analysis of 5Gbps/1.25Gbps WDM/TDM Hybrid Passive Optical Network with Inverse Return to Zero(RZ) coded Downstream and NRZ upstream re-modulation by Performing Simulation with MATLAB

PARK SANGJO

doi:http://dx.doi.org/

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2012, 17(8), pp.51-60
DOI :
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

PARK SANGJO ¹

¹ 서원대학교

ABSTRACT

I propose the 5Gbps/1.25Gbps WDM/TDM hybrid Passive Optical Network(PON) with inverse RZ(Return to Zero) code coded downstream and NRZ(Non Return to Zero) upstream re-modulation and analyze its performance by performing simulation with MATLAB. The results have shown that an optical line termination (OLT) can be connected to 8, 16 optical network unit (ONU)s with the Bit Error Rate(BER) of when the distance between OLT and ONU is 10Km and transmitted optical powers are more than -3.8, -0.9dBm, respectively. The proposed WDM/TDM hybrid PON system can solve the problem of data rate limit in upstream which happened in the conventional TDM PON because the upstream data rate is proportional to ONU and does not require a light source in ONU and its control circuits in OLT, thus can be a useful technology for asymmetric optical subscriber networks.
KEYWORDS

Passive Optical Network , Hybrid , Inverse return-to-Zero code , WDM , TDM , Re-modulation , Optical Line Termination , Optical Network Unit
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