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Distributed antenna system using sigma-delta intermediate-frequency-over-fiber for frequency bands above 24 GHz

Chia-Yi Wu, Haolin Li (UGent) , Joris Van Kerrebrouck (UGent) , Achim Vandierendonck (UGent) , Igor Lima de Paula, Laurens Breyne, Olivier Caytan (UGent) , Sam Lemey (UGent) , Hendrik Rogier (UGent) , Johan Bauwelinck (UGent) , et al.
(2020) JOURNAL OF LIGHTWAVE TECHNOLOGY. 38(10). p.2764-2772
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Abstract
The fifth generation (5G) cellular network is expected to include the millimeter wave spectrum, to increase base station density, and to employ higher-order multiple-antenna technologies. The centralized radio access network architectures combined with radio-over-fiber (RoF) links can be the key enabler to improve fronthaul networks. The sigma-delta modulated signal over fiber (SDoF) architecture has been proposed as a solution leveraging the benefits of both digitized and analog RoF. This work proposes a novel distributed antenna system using sigma-delta modulated intermediate-frequency signal over fiber (SDIFoF) links. The system has an adequately good optical bit-rate efficiency and high flexibility to switch between different carrier frequencies. The SDIFoF link transmits a signal centered at a 2.5 GHz intermediate frequency over a 100 m multi-mode fiber and the signal is up-converted to the radio frequency (24-29 GHz) at the remote radio unit. An average error vector magnitude (EVM) of 6.40% (-23.88 dB) is achieved over different carrier frequencies when transmitting a 300 MHz-bandwidth 64-QAM OFDM signal. The system performance is demonstrated by a 2 x 1 multiple-input single-output system transmitting 160 MHz-bandwidth 64-QAM OFDM signals centered at 25 GHz. Owing to transmit diversity, an average gain of 1.12 dB in EVM is observed. This work also evaluates the performance degradation caused by asynchronous phase noise between remote radio units. The performance shows that the proposed approach is a competitive solution for the 5G downlink fronthaul network for frequency bands above 24 GHz.
Keywords
FRONTHAUL, Sigma-delta modulation, Radio frequency, OFDM, 5G mobile communication, Frequency modulation, Baseband, Optical fiber communication, Distributed, antenna system, millimeter wave, multiple-input single-output, radio-over-fiber, sigma-delta modulation

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Citation

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MLA
Wu, Chia-Yi, et al. “Distributed Antenna System Using Sigma-Delta Intermediate-Frequency-over-Fiber for Frequency Bands above 24 GHz.” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 38, no. 10, Ieee-inst Electrical Electronics Engineers Inc, 2020, pp. 2764–72, doi:10.1109/JLT.2020.2976605.
APA
Wu, C.-Y., Li, H., Van Kerrebrouck, J., Vandierendonck, A., Lima de Paula, I., Breyne, L., … Torfs, G. (2020). Distributed antenna system using sigma-delta intermediate-frequency-over-fiber for frequency bands above 24 GHz. JOURNAL OF LIGHTWAVE TECHNOLOGY, 38(10), 2764–2772. https://doi.org/10.1109/JLT.2020.2976605
Chicago author-date
Wu, Chia-Yi, Haolin Li, Joris Van Kerrebrouck, Achim Vandierendonck, Igor Lima de Paula, Laurens Breyne, Olivier Caytan, et al. 2020. “Distributed Antenna System Using Sigma-Delta Intermediate-Frequency-over-Fiber for Frequency Bands above 24 GHz.” JOURNAL OF LIGHTWAVE TECHNOLOGY 38 (10): 2764–72. https://doi.org/10.1109/JLT.2020.2976605.
Chicago author-date (all authors)
Wu, Chia-Yi, Haolin Li, Joris Van Kerrebrouck, Achim Vandierendonck, Igor Lima de Paula, Laurens Breyne, Olivier Caytan, Sam Lemey, Hendrik Rogier, Johan Bauwelinck, Piet Demeester, and Guy Torfs. 2020. “Distributed Antenna System Using Sigma-Delta Intermediate-Frequency-over-Fiber for Frequency Bands above 24 GHz.” JOURNAL OF LIGHTWAVE TECHNOLOGY 38 (10): 2764–2772. doi:10.1109/JLT.2020.2976605.
Vancouver
1.
Wu C-Y, Li H, Van Kerrebrouck J, Vandierendonck A, Lima de Paula I, Breyne L, et al. Distributed antenna system using sigma-delta intermediate-frequency-over-fiber for frequency bands above 24 GHz. JOURNAL OF LIGHTWAVE TECHNOLOGY. 2020;38(10):2764–72.
IEEE
[1]
C.-Y. Wu et al., “Distributed antenna system using sigma-delta intermediate-frequency-over-fiber for frequency bands above 24 GHz,” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 38, no. 10, pp. 2764–2772, 2020.
@article{8665495,
  abstract     = {{The fifth generation (5G) cellular network is expected to include the millimeter wave spectrum, to increase base station density, and to employ higher-order multiple-antenna technologies. The centralized radio access network architectures combined with radio-over-fiber (RoF) links can be the key enabler to improve fronthaul networks. The sigma-delta modulated signal over fiber (SDoF) architecture has been proposed as a solution leveraging the benefits of both digitized and analog RoF. This work proposes a novel distributed antenna system using sigma-delta modulated intermediate-frequency signal over fiber (SDIFoF) links. The system has an adequately good optical bit-rate efficiency and high flexibility to switch between different carrier frequencies. The SDIFoF link transmits a signal centered at a 2.5 GHz intermediate frequency over a 100 m multi-mode fiber and the signal is up-converted to the radio frequency (24-29 GHz) at the remote radio unit. An average error vector magnitude (EVM) of 6.40% (-23.88 dB) is achieved over different carrier frequencies when transmitting a 300 MHz-bandwidth 64-QAM OFDM signal. The system performance is demonstrated by a 2 x 1 multiple-input single-output system transmitting 160 MHz-bandwidth 64-QAM OFDM signals centered at 25 GHz. Owing to transmit diversity, an average gain of 1.12 dB in EVM is observed. This work also evaluates the performance degradation caused by asynchronous phase noise between remote radio units. The performance shows that the proposed approach is a competitive solution for the 5G downlink fronthaul network for frequency bands above 24 GHz.}},
  author       = {{Wu, Chia-Yi and Li, Haolin and Van Kerrebrouck, Joris and Vandierendonck, Achim and Lima de Paula, Igor and Breyne, Laurens and Caytan, Olivier and Lemey, Sam and Rogier, Hendrik and Bauwelinck, Johan and Demeester, Piet and Torfs, Guy}},
  issn         = {{0733-8724}},
  journal      = {{JOURNAL OF LIGHTWAVE TECHNOLOGY}},
  keywords     = {{FRONTHAUL,Sigma-delta modulation,Radio frequency,OFDM,5G mobile communication,Frequency modulation,Baseband,Optical fiber communication,Distributed,antenna system,millimeter wave,multiple-input single-output,radio-over-fiber,sigma-delta modulation}},
  language     = {{eng}},
  location     = {{Dublin, IRELAND}},
  number       = {{10}},
  pages        = {{2764--2772}},
  publisher    = {{Ieee-inst Electrical Electronics Engineers Inc}},
  title        = {{Distributed antenna system using sigma-delta intermediate-frequency-over-fiber for frequency bands above 24 GHz}},
  url          = {{http://doi.org/10.1109/JLT.2020.2976605}},
  volume       = {{38}},
  year         = {{2020}},
}
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