Simulation and performance analysis of the sub carrier multiplexed radio over fiber system
Radio over Fiber (RoF) technology or micro cellular over fiber is proposed solution for the reducing cost and providing highly reliable communication services. The system is a technique that modulates RF in microwave signals on an optical carrier to take advantage of the low loss of optical fiber ch...
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| 主要作者: | |
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| 格式: | Thesis |
| 語言: | English |
| 出版: |
2007
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/id/eprint/11352/1/MahyuddinArsatMFKE2007.pdf |
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| 總結: | Radio over Fiber (RoF) technology or micro cellular over fiber is proposed solution for the reducing cost and providing highly reliable communication services. The system is a technique that modulates RF in microwave signals on an optical carrier to take advantage of the low loss of optical fiber characteristic. The RoF system is very cost-effective because the localization of signal processing in central station and also use a simple base station. In this system, the subcarrier multiplexed system for data transmission has been developed and the performance of the system was analyze in term of signal power, Bit Error Rate (BER), Carrier-to-Noise ratio (CNR) and Eye diagram. This system was focus on a link between two stations; a transmitter and receiver. The designed of SCM-RoF system employing PSK as the RF modulation scheme. In this work, the transmitter presenting four input signal and each of the signal will be modulate using PSK individually. At the optical domain, the CW Laser diode was used as the optical source, while Mach Zender as the optical modulator. Whereby, the transmission link was modelled using standard single mode fiber up to 150 km communication distance with EDFA 0m – 5m length. At the receiver end, the light carrying the radio subcarrier multiplexed signal is photo-detected by a PIN photodiode. |
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