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A SIMULATION TOOLS TO AID THE DESIGN OF DWDM NETWORK

A SIMULATION TOOLS TO AID THE DESIGN OF DWDM NETWORK. NAME : Tirza Hardita NPM : 11407052. Background. DWDM is multiplexing technology in fiber optic used occasionally for long distance data transmission. Needed simulation to find total losses that got in DWDM transmission.

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A SIMULATION TOOLS TO AID THE DESIGN OF DWDM NETWORK

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  1. A SIMULATION TOOLS TO AID THE DESIGN OF DWDM NETWORK NAME : TirzaHardita NPM : 11407052

  2. Background • DWDM is multiplexing technology in fiber optic used occasionally for long distance data transmission. • Needed simulation to find total losses that got in DWDM transmission. • Needed simulation to make easy calculation amplifier in DWDM.

  3. Scope of The Research • The problems that be discussed is limited to design simulation power budget to calculate the total losses and number of amplifiers required by DWDM transmission using GUI MATLAB program.

  4. Research Objectives • To facilitate calculate total losses in transmission lines. • To facilitate calculate number of amplifiers needed in transmission line. • To prove the best parameter in DWDM transmission.

  5. Methodology of The Research • Study literature. • Design simulation with program MATLAB based on GUI. • Coding process to produce appropriate simulation with purpose. • Final step is testing simulation that has made.

  6. Flowchart

  7. Display of Simulation Main Menu Menu Help

  8. Simulation Power Budget Simulation Fiber with Amplifier

  9. Simulation Power Budget Minimum Specification Details

  10. Result and Analysis Simulation Power Budget Total Losses = (distance *attenuation) +connector loss + splice loss = (250 * 0.3) + 1.5 + 0.1 = 76.6 dB PRx = PTX - Total Losses + SafetyMargin = 8 dBm - 76.6 dB + 3 dB = -65.6 dBm LMax = FL + (PRx - Pmin / α) = 250 + (-135.33) = 114.67 km

  11. Simulation Fiber Optic With Amplifier • PRx = PTX + (Gain Amp – Gain ASE) - Total Losses + Safety Margin = 8 dBm + (25-3) dB - 76.6 dB+3dB = -43.6 dBm • ΔP = PRx - Pmin = -65.6 - (-25) = -40.6 dBm • N = ΔP / (GAmp-GASE) = -40.6/22 = | -1.84 | = 2 amplifiers • LMax = FL + (PRx - Pmin / α) = 250 + 11:33 = 261.33 km

  12. Simulation Power Budget Minimum • Total Losses TL1 = (jarak1 * 0.4) + conlos + splicelossA = (300 * 0.4) + (2* 0.5) + (1* 0.1) = 121.1 dB TL2 = (jarak1 * 0.4) + conlos +splicelossB = (300 * 0.4) + (2 * 0.5) + (1 * 0.5) = 121.5 dB TL3 = (jarak1 * 0.3) + conlos + splicelossA = (300 * 0.3) + (2 * 0.5) + (1 * 0.1) = 91.1 dB TL4 = (jarak1 * 0.3) + conlos + splicelossB = (300 * 0.3) + (2 * 0.5) + (1 * 0.5) = 91.5 dB • Power Receiver PRa = Ptrans - (TLA +30) + (sm +30) = 8 dBm - (91.1 + 30) dBm + 33 dBm = -80.1 DBm • Maximum Length LM1 = flA + (PRa-30) - (PIN-30) / attA = 300 + (-80.1-30) - (-25-30) / 0.3 = 116.33 km LM2 = flA + (PRa-30) - (APD-30) / attA = 300 + (-80.1-30) - (-34-30) / 0.3 = 146.33 km

  13. Simulation Specification Details

  14. CONCLUSIONS • This program simulation can be used to facilitate calculating the value of power budget that will be generated. • Results of the simulation are same to the mathematics calculation. • DWDM better use wavelength 1550nm and amplifier EDFA because has a small attenuation and gain of EDFA bigger than gain Raman amplifier. • According to existing theory, transmission long haul APD better than PIN because has a great sensitivities and can accommodate the wider bandwidth.

  15. Suggestion • To generate a simulation that much more complete and accurate to the real condition, it would require a more comprehensive type of parameters and has a predetermined value by the IEEE or ITU-T.

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