Analysis of CNR Penalty in Radio over Fiber System Including the Effect of Phase Noise & RF Oscillator
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 6
Abstract
To analysis of the system performance based on photocurrent at the photo detector. A carrier to noise i.e. CNR is used, for the evaluation of the performance of the Radio over fiber system, because it is a good & simple parameter for measuring of system performance using the ratio between the carrier power and the noise power. Also evaluate the CNR penalty, including the effect of phase noise from laser and RF oscillator line width. CNR penalty is defined the ratio of CNR value & the reference CNR value. The CNR of photocurrent is calculating by using an autocorrelation (AC) function and a power spectral density (PSD) function. The large data traffic services, video and voice communication, wireless & optical communication work capacity on photonic technology Most Radio over fiber techniques utilize (single mode fiber) SMF to feed the BSs, because the bandwidth of (multi mode fiber) MMFs is severely limited by modal dispersion. Many current and future Radio over fiber techniques may be used only for outdoor (SMF dominates) applications, but not indoor coverage (over MMFs). In This paper analysis the Transmission performance measure optical Single side band. Radio over fiber system is based on phase noise from the laser and RF oscillator line width. In this measure the effects of Power decrement due to dispersion effect on CNR & fiber chromatic dispersion effects on various length of the fiber.
Authors and Affiliations
Suresh Kumar
Keywords
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