Abstract
Radio over fiber system is an integral part of the 5-Generation technology which has undergone enormous changes in the last decade. This work presents a new model for the fronthaul ROF system based on the (VSCEL) as an alternative to the classical CW laser, making use of its interesting properties, that includes narrow bandwidth and high directionality generated optical beam the influences of the bias current value of the VCSEL along with channel dispersion compensation fiber, fiber Bragg grating (FBG) and optical amplifier on the proposed system performance measures like quality factor (Q), bit error rate (BER), eye diagram and optical signal-to-noise ratio (OSNR) have been studied. The simulation results showed that the proposed model can support data transmission of 5Gbps up to 200 km with a Q-factor of around 6, in the case of using dispersion compensation fiber (DCF), along with bias current of about 5 mA. The FBG compensator gave a comparable result to that of the DCF for a transmission distance of no more than 30 km. The maximum bit rate supported by the proposed system to maintain sufficient Q-factor of about 6 was found to be 10Gbps. Furthermore, it was observed that a log (BER) gain of 89, corresponding to the received power, has been achieved in comparison with those reported in a peer model in the literature. Eventually a fair comparison has been made between the proposed system and up to date peer publications which proved the superiority of the presented system model.
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Jalal, S.K., Al-Maqdici, R.Z.Y. Enhanced Performance of 32 GHz up to 200 km Vertical Cavity Surface Emitting Laser (VCSEL) for FrontHaul Radio Over Fiber System. Arab J Sci Eng 48, 7043–7058 (2023). https://doi.org/10.1007/s13369-022-07225-2
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DOI: https://doi.org/10.1007/s13369-022-07225-2