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Optical Upconversion of OFDM Signals for Next Generation Fronthauling Using Frequency Doubling and Quadrupling
  • Sreeraj S J
Sreeraj S J
Indian Institute of Technology Madras

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This paper draft presents a study of optical upconversion schemes for mmWave OFDM signals over ARoF systems. The authors propose and compare two configurations of optical doublers and quadruplers that use low-frequency RF sources and Mach-Zehnder modulators to generate and transport high-frequency mmWave signals over 2 km of fiber. The paper evaluates the performance of the schemes for different modulation formats and bandwidths, and discusses the advantages and challenges of each configuration.