Bit-error rate of optical DPSK in fiber systems by multicanonical Monte Carlo Simulations

2005 ◽  
Vol 17 (6) ◽  
pp. 1355-1357 ◽  
Author(s):  
Y. Yadin ◽  
M. Shtaif ◽  
M. Orenstein
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Simulations ◽  
Bit Error Rate ◽  
Error Rate

Using unscented transform as alternative to Monte Carlo in bit error rate calculations

2013 ◽  
Vol 49 (10) ◽  
pp. 675-677 ◽  
Author(s):  
L.R.A.X. Menezes ◽  
A.J.M. Soares ◽  
L.M. Silva ◽  
J.Y. Ishihara
Keyword(s):  
Monte Carlo ◽  
Bit Error Rate ◽  
Error Rate ◽  
Unscented Transform

scholarly journals Análisis y estudio de los efectos de la interferencia de co-canal sobre la tasa de error de bit media para sistemas con multiplexación espacial

2015 ◽  
Vol 7 (2) ◽  
Author(s):  
Juan Minango ◽  
Celso De Almeida
Keyword(s):  
Monte Carlo ◽  
Bit Error Rate ◽  
Error Rate ◽  
Spatial Multiplexing ◽  
Power Ratio ◽  
Interference Power

En este artículo, el desempeño de un sistema con multiplexación espacial (SM, por sus siglas en inglés, Spatial Multiplexing) es investigado, teniendo en consideración un canal con desvanecimiento Rayleigh y la presencia de interferencia de co-canal (ICC). Primeramente, expresiones para evaluar la tasa de error de bit media (BER, por sus siglas en inglés, Bit Error Rate) para sistemas con SM que hacen uso de modulaciones BPSK y QPSK son obtenidas, dichas expresiones se encuentran en función de la relación señal-ruido (Eb/N0), y de la relación señal-interferencia (SIR, por sus siglas en inglés, Signal-to-Interference power Ratio), considerando la presencia de un interferente de co-canal dominante. Validaciones de las expresiones analíticas son realizadas a través de simulaciones de Monte-Carlo. Los resultados muestran que la ICC causa una degradación notable en la BER, la cual varía de acuerdo a la SIR. Los resultados obtenidos en este artículo, pueden ser aplicados para redes celulares con SM para diferente número de antenas transmisoras.

Research on Effect of Blanket Jamming on GNSS Signal

2013 ◽  
Vol 846-847 ◽  
pp. 956-961
Author(s):  
Rui Xu ◽  
Yong Hui Hu ◽  
Tao Zhang ◽  
Fan Zhang
Keyword(s):  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
Power Spectrum ◽  
Bit Error Rate ◽  
Error Rate ◽  
Interference Effect ◽  
Simulation Method ◽  
Power Spectrum Density ◽  
Monte Carlo Simulation Method ◽  
Spectrum Density

this article uses Power Spectrum Density Theory and The Monte Carlo Simulation Method to analyze the effect of blanket jamming on the bit error rate of satellite navigation signal, and emulate, analyze and compare suppress interference interference effect on PSK-R signal and BOC signal. All the analyses are based on the research on blanket jamming and PSK-R signal and BOC signal.

scholarly journals Adaptive Pre/Post-Compensation of Cascade Filters in Coherent Optical Transponders

2020 ◽  
Vol 12 (2) ◽  
pp. 21
Author(s):  
Ahmad Abdo ◽  
Claude D’Amours
Keyword(s):  
Monte Carlo ◽  
Bit Error Rate ◽  
Error Rate ◽  
Gradient Descent ◽  
Signal To Noise Ratio ◽  
Optical Signal ◽  
Signal To Noise ◽  
Operating Region ◽  
Linear And Nonlinear ◽  
Additional Hardware

We propose an adaptive joint pre- and post-compensation to correct the filtering effects caused by cascading reconfigurable optical add drop multiplexers (ROADMs). The improvement is achieved without using additional hardware (HW) on the link or within the signal processor in the transponders. Using Monte Carlo simulations, the gradient-descent based method shows an improvement of 0.6 dB and 1.1 dB in the required optical signal-to-noise ratio (R-OSNR) at the threshold pre-decoder bit error rate (BER) of 0.02 versus pre-compensation only in the linear and nonlinear operating region of fiber respectively. We experimentally verified the method with lab measurements in the presence of heavy filtering and optical impairments. We observed a gain up to ~0.4 dB compared to typically used pre-compensation only. Additionally, other tangible system benefits of our method are listed and discussed.

Low-voltage EDS of magnesium ferrite Dendrites in a FEG-SEM

1996 ◽  
Vol 54 ◽  
pp. 478-479
Author(s):  
Matthew T. Johnson ◽  
Ian M. Anderson ◽  
Jim Bentley ◽  
C. Barry Carter
Keyword(s):  
Monte Carlo ◽  
Quantitative Analysis ◽  
Monte Carlo Simulations ◽  
Cross Section ◽  
Spatial Resolution ◽  
Low Voltage ◽  
Magnesium Ferrite ◽  
X Ray ◽  
Interaction Volume ◽  
Ferrite Spinel

Energy-dispersive X-ray spectrometry (EDS) performed at low (≤ 5 kV) accelerating voltages in the SEM has the potential for providing quantitative microanalytical information with a spatial resolution of ∼100 nm. In the present work, EDS analyses were performed on magnesium ferrite spinel [(MgxFe1−x)Fe2O4] dendrites embedded in a MgO matrix, as shown in Fig. 1. spatial resolution of X-ray microanalysis at conventional accelerating voltages is insufficient for the quantitative analysis of these dendrites, which have widths of the order of a few hundred nanometers, without deconvolution of contributions from the MgO matrix. However, Monte Carlo simulations indicate that the interaction volume for MgFe2O4 is ∼150 nm at 3 kV accelerating voltage and therefore sufficient to analyze the dendrites without matrix contributions.Single-crystal {001}-oriented MgO was reacted with hematite (Fe2O3) powder for 6 h at 1450°C in air and furnace cooled. The specimen was then cleaved to expose a clean cross-section suitable for microanalysis.

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