Experimental characterization of Sigma Delta Radio over fiber system for 5G C-RAN downlink

Muhammad Usman Hadi, Pier Andrea Traverso, Giovanni Tartarini, Hyun Jung

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)
2 Downloads (Pure)

Abstract

Radio over Fiber is a promising technology for the 5G Cloud Radio Access Network. We demonstrate experimentally Sigma Delta Radio over Fiber by means of Sigma Delta Modulator (SDM) subsequently replacing expensive digital to analog converters. A second order SDM is proposed for LTE 20 MHz signal having 256 QAM modulation on a carrier frequency of 3.5 GHz for 10 Km of fiber length. The performance is reported in terms of error vector magnitude, adjacent channel leakage ratio and eye-opening penalty. The results show that the proposed architecture performance is cost and power efficient solution for next-generation wireless networks.

Original languageEnglish
Pages (from-to)23-27
Number of pages5
JournalICT Express
Volume6
Issue number1
Early online date21 Jun 2019
DOIs
Publication statusPublished - 1 Mar 2020

Keywords

  • 5G C-RAN
  • ACPR
  • EVM
  • Radio over fiber
  • Sigma delta modulation

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