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A novel full-duplex radio-over-fiber system based on dual octupling-frequency for 82 GHz W-band radio frequency and wavelength reuse for uplink connection

Authors
Journal
Optik - International Journal for Light and Electron Optics
0030-4026
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.ijleo.2014.01.111
Keywords
  • Radio-Over-Fiber
  • Mach-Zehnder Modulator
  • Optical Millimeter-Wave
  • Full-Duplex
  • Octupling-Frequency
Disciplines
  • Mathematics

Abstract

Abstract A novel full-duplex radio-over-fiber system is proposed and demonstrated, in which an external modulator and an optical interleaver are used to generate dual octupling-frequency optical millimeter waves for two base stations and wavelength reuse for uplink connection. This scheme is simplified and low-cost because no additional laser is utilized for uplink connection at two base stations and one laser at central office works for two base stations simultaneously. The frequency of local oscillator signal is reduced largely due to frequency octupling. The theorem about how to generate optical millimeter waves is analyzed. The simulation results show that the bidirectional 5Gb/s system has a perfect performance because the power penalty for the downlink and uplink signals of two base stations are less than 0.6dB after successful transmission over 60km standard single mode fiber.

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