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- Title
Improvements on the performance of subcarrier multiplexing/wavelength division multiplexing based radio over fiber system.
- Authors
Due-Tan Tran; Ninh Trung Bui
- Abstract
Radio over fiber (RoF) techniques are good candidates to create the backbone of the next generation of wireless networks. Many parameters affect RoF communications such as amplified spontaneous emission noise (ASE), four-wave mixing nonlinearity (FWM), the modulation, cham1el spacing, switching voltage, and phase shifter. In this paper, we propose an improved model of RoF communication systems using subcarrier multiplexing/wavelength division multiplexing (SCM/WDM) technique with unequal channel spacing and 1-km Erbium-doped fiber amplifier (EDFA). Simulation results confirmed that we could obtain the lowest bit error rate and noises when the EDF A is placed at 1 km from the transmitter by using optical single-sideband (OSSB) modulation at frequencies 193.1 THz, 193.2 THz, 193.35 THz, and 193.6 THz.
- Subjects
SUBCARRIER multiplexing; RADIO-on-fiber systems; WAVELENGTH division multiplexing; TRANSMITTERS (Communication); TELECOMMUNICATION systems; BIT error rate; NEXT generation networks
- Publication
International Journal of Electrical & Computer Engineering (2088-8708), 2021, Vol 11, Issue 2, p1439
- ISSN
2088-8708
- Publication type
Article
- DOI
10.11591/ijece.v11i2.pp1439-1449