An Improved Configuration for Radio over Fiber Transmission with Remote Local-Oscillator Delivery by Using Two Dual-Mach-Zehnder Modulators in Parallel(<Special Issue>Special Section on Papers Selected from ITC-CSCC 2002)

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A simple configuration for millimeter-wave fiber-wireless transmission, with remote local-oscillator (LO) delivery from the central office, both for the uplink and for the downlink, and a simple, cost-effective, base-station solution is proposed. Under the assumption of using commercially available components and a conventional single-mode fiber (with dispersion of 17ps/mn/km at 1.55/μm), our numerical results show that, with a laser linewidth of 150 MHz, a laser power of 0 dBm and an optical gain of only 6 dB, it is possible to transmit, without repeaters, data rates of 622 Mbit/s across about 18 km at a bit error-rate of 10^<-9>. By increasing the optical gain to 24dB, the link length can be increased to approximately 67km for a laser linewidth of 75 MHz and to 78 km for a laser linewidth 1 MHz.
社団法人電子情報通信学会の論文
2003-06-01