The SCM/WDM system model for radio over fiber communication link

Arief, Mts.; Idrus, Sevia Mahdaliza; Alifah, Suryani

doi:10.1109/rfm.2008.4897427

Cited by 10 publications

(3 citation statements)

References 5 publications

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“…However, the use of the SCW/WDM technique has shown remarkable efficiency. It allows combining multiple RF signals, traveling on different wavelengths on the same optical fiber, exploiting the optical network's bandwidth, and increasing the system capacity [21,22]. During the modulation process, each RF signal will produce two side-bands.…”

Section: Resultsmentioning

confidence: 99%

“…The values of the optimal switching voltage and BER are high (8 V, 10 -16, or 10 -17 ). Articles [21][22][23][24][25][26] analyze SCM/WDM RoF systems' performance using OSSB modulation but have not yet compared its BER with the DSB modulation technique. Besides, these articles did not mention the effects of ASE noise when using EDFA amplifiers as well as the effects of FWM nonlinear effects and channel spacing in SCM/WDM RoF systems.…”

Section: Introductionmentioning

confidence: 99%

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Improvements on the performance of subcarrier multiplexing/wavelength division multiplexing based radio over fiber system

Tran

Bui

2021

IJECE

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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, channel 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 EDFA 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.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Improvements on the performance of subcarrier multiplexing/wavelength division multiplexing based radio over fiber system

Tran

Bui

2021

IJECE

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show abstract

“…The analogue signal may be an Intermediate Frequency (IF) signal, RF signal or baseband signal. RoF techniques have been discussed in numerous research works [15][16][17][18][19][20]. This had led to the demand for high-capacity optical transmission systems that possess optical formations with spectral efficiency.…”

Section: Introductionmentioning

confidence: 99%

Performance Enhancement of SCM/WDM-RoF-XGPON System for Bidirectional Transmission With Square Root Module

et al. 2021

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The 10-Gigabit Passive Optical Network (GPON), also known as (XGPON), is a key technology for the next generation of optical fibre communication systems which can improve reliability and data rate. However, the increment in the transmission distance and data rate will lead to increased dispersion. This paper proposes a model based on the Sub-Carrier Multiplexing/Wavelength Division Multiplexing-Radio over Fibre-10-Gigabit Passive Optical Network system (SCM/WDM-RoF-XGPON) for Radio Frequency (RF) using a conventional Optical Network Unit (ONU) with the Square Root Module (SRM) on the side of the receiver. It is connected to a central office Optical Line Terminal (OLT) via an access network for multi-channel optical fibre transfers with a distance of 80 km and at 10 Gbps data rate. The Optisystem 15 simulation software is used to evaluate the proposed system based on the Bit Error Rate (BER), Quality factor (Q-factor) and eye diagram. The proposed system of bidirectional fibre links uses 1270 nm and 1577 nm wavelengths for uplink and downlink transmissions, respectively. The performance is further enhanced through the use of SRM to compensate for the square law characteristics, making it suitable for providing broadband services. Due to the utilisation of SRM in the architecture, the reported results reveal a double enhancement in successful transition performance at an optical fibre length of 80 km distance. The BER displayed significant improvement (less than 1.00E-09) with SRM at 80 km; however, without SRM and at 50 km, the BER is less than 1.00E-09. Investigations have presented an enhancement in the Q-factor's effectiveness with the use of SRM, which helps to increase the XGPON length. When the length of the fibre is 80 km, the Q-factor is 6 with SRM, while it is 3.7 without SRM.

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Understanding of signal conversion using magnetic photonic structure for optical communication system

Rath,

Palai

2024

J Opt

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The SCM/WDM system model for radio over fiber communication link

Cited by 10 publications

References 5 publications

Improvements on the performance of subcarrier multiplexing/wavelength division multiplexing based radio over fiber system

Improvements on the performance of subcarrier multiplexing/wavelength division multiplexing based radio over fiber system

Performance Enhancement of SCM/WDM-RoF-XGPON System for Bidirectional Transmission With Square Root Module

Understanding of signal conversion using magnetic photonic structure for optical communication system

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