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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 30, Iss. 13 — Jul. 1, 2012
  • pp: 2117–2124

BER Estimation for Performance Monitoring in High-Speed Digital Optical Signals

Ernesto Ciaramella, Andrea Peracchi, Luca Banchi, Raffaele Corsini, and Giancarlo Prati

Journal of Lightwave Technology, Vol. 30, Issue 13, pp. 2117-2124 (2012)

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This paper presents a novel technique that allows easy and accurate estimation of the system bit error rate (BER) by collecting the statistical distribution of the receiver analog samples, i.e., before decision. It could be used to implement effective optical performance monitoring in real systems, with limited hardware complexity. The scheme performance is confirmed by both numerical simulations and experimental measurements. In all cases, the estimated BER is found to be very close to the real value, thus providing accurate and robust estimations. It is experimentally verified that in presence of strong intersymbol interference (ISI), or in the highly nonlinear regime, our technique works much better than the well known Q-factor approach.

© 2012 IEEE

Ernesto Ciaramella, Andrea Peracchi, Luca Banchi, Raffaele Corsini, and Giancarlo Prati, "BER Estimation for Performance Monitoring in High-Speed Digital Optical Signals," J. Lightwave Technol. 30, 2117-2124 (2012)

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