Design of high-speed 10-Gb/s wired/FSO systems for local area communication networks for maximum reach

This paper presents the numerical simulation studies of upgraded system for single-mode fiber (SMF wired)/free space optics (FSO wireless) under high-speed operation of 10 Gb/s. Further, the maximum reach of the system is analyzed based on various advanced modulation techniques, namely phase frequen...

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Bibliographic Details
Published in:Photonic network communications 2019-10, Vol.38 (2), p.206-218
Main Authors: Palanisamy, A. R., Tamilselvan, G. M., Pushparaghavan, A.
Format: Article
Language:English
Subjects:
Bit error rate
Characterization and Evaluation of Materials
Communication networks
Computer Communication Networks
Computer Science
Computer simulation
Doped fibers
Electrical Engineering
Erbium
Error analysis
Fiber optic communications
Free space optics
Frequency shift keying
High speed
Light amplifiers
Original Paper
Phase shift keying
Pulse amplitude modulation
Quadrature amplitude modulation
Semiconductor optical amplifiers
Traveling waves
Upgrading
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Summary:This paper presents the numerical simulation studies of upgraded system for single-mode fiber (SMF wired)/free space optics (FSO wireless) under high-speed operation of 10 Gb/s. Further, the maximum reach of the system is analyzed based on various advanced modulation techniques, namely phase frequency shift keying (CPFSK), quadrature amplitude modulation, differential phase-shift keying, frequency shift keying, pulse amplitude modulation and different optical amplifiers, namely erbium-doped fiber amplifier, traveling wave semiconductor optical amplifier and parametric optical amplifier, respectively. The overall system studies are done by optiwave system software through which bit error rate and Q-factor are studied. The trade-off between different all-optical amplifiers and modulation techniques is studied to show the enhancement of upgrading system. The simulation results show that the maximum reach of distance belongs to CPFSK modulation scheme.
ISSN:1387-974X
1572-8188
DOI:10.1007/s11107-019-00860-0