Phase noise effects on directly modulated 64-QAM OFDM radio-over-fiber systems

Jingjing Hu,Anthony Nkansah,Nathan J. Gomes,Mingshan Zhao,Yiying Gu

Singapore（2011）

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摘要

In this paper, we studied the effect of the phase noise caused by the intrinsic analog optical link noise on orthogonal frequency-division multiplexing (OFDM) systems. The effect of this additive phase noise in the demodulation has been investigated by both numerical simulations based on a theoretical analysis and experiments using a low cost Vertical Cavity Surface Emitting Laser (VCSEL). The phase noise effect of the analog link on 64 QAM OFDM signal transmission when the laser relative intensity noise (RIN) is -131dB/Hz is investigated and found to be very small.

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关键词

intrinsic analog optical link noise,demodulation,64-qam ofdm radio-over-fiber system,radio-over-fibre,orthogonal frequency-division multiplexing,surface emitting lasers,additive phase noise,ofdm modulation,orthogonal frequency division multiplexing (ofdm),laser relative intensity noise,low cost vertical cavity surface emitting laser,direct modulation,radio over fiber,quadrature amplitude modulation,phase noise,phase noise effect,vcsel,relative intensity noise,numerical simulation,frequency modulation,ofdm,vertical cavity surface emitting laser

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