Design of Bi-Directional Radio over Fiber Transmission System Based on Optical Frequency Multiplication

Jing, 李晶 Li; Tigang, 宁提纲 Ning; Chunhui, 祁春慧 Qi; Nan, 贾楠 Jia

doi:10.3788/cjl20093603.0607

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2010

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“…On a simplified base station, there were many methods that had been proposed, such as wavelength reuse technique, using FBG reflecting optical carrier for uplink communication [3]- [5] ; by adding the pilot signal, the base station generated a new LO [6]- [7] and so on.…”

Section: Introductionmentioning

confidence: 99%

A novel full-duplex ROF system based on pilot tone injection and FBG grating

Chen

Zhang

et al. 2010

2010 International Symposium on Signals, Systems and Electronics

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A new optical wireless full-duplex communication system was proposed and demonstrated. DSB modulation was used in this system and then the lower side band was reflected as the uplink optical carrier, achieving the wavelength reuse by the FBG. At the same time, a SSB modulated downlink data was got to reduce the impact of fiber dispersion. Pilot tone injection was also used in base station to generate a new local oscillator (LO), for the uplink signal down conversion, so that the base stations did not need to configure additional LO, simplifying the complexity and cost of base station. The uplink and downlink eye diagram show that the system had well performance against the dispersion and can support long-distance transmission.

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Section: Introductionmentioning

confidence: 99%