Performance Comparison of Analog and Digitized RoF Systems with Nonlinear Channel Condition

Hyun Do Jung; Kyung Woon Lee; Jong Hoi Kim; Yong Hwan Kwon; Jung ho Park

doi:10.1109/LPT.2015.2504259

Performance Comparison of Analog and Digitized RoF Systems with Nonlinear Channel Condition

Hyun Do Jung, Kyung Woon Lee, Jong Hoi Kim, Yong Hwan Kwon, Jung ho Park

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We have compared the performance of analog and digitized radio-over-fiber (RoF) systems with a nonlinear channel condition to investigate which one is more suitable for in-building wireless backhauling. For the comparison, we demonstrated optical multicasting of Wi-Fi compatible signals over both RoF links with nonlinear wavelength conversion, and measured error vector magnitude (EVM) performance of the transmitted wireless signals. In the demonstration, the digitized RoF system showed constant performance with EVM (3.75%), while the performance of analog counterpart is highly dependent on optical link conditions.

Original language	English
Article number	7346440
Pages (from-to)	661-664
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	28
Issue number	6
DOIs	https://doi.org/10.1109/LPT.2015.2504259
Publication status	Published - 2016 Mar 15

Keywords

Analog RoF
Bandpass sampling
Digitized RoF
Nonlinear wavelength conversion
Radio-over-Fiber
Wireless backhauling

ASJC Scopus subject areas

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials

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abstract = "We have compared the performance of analog and digitized radio-over-fiber (RoF) systems with a nonlinear channel condition to investigate which one is more suitable for in-building wireless backhauling. For the comparison, we demonstrated optical multicasting of Wi-Fi compatible signals over both RoF links with nonlinear wavelength conversion, and measured error vector magnitude (EVM) performance of the transmitted wireless signals. In the demonstration, the digitized RoF system showed constant performance with EVM (3.75%), while the performance of analog counterpart is highly dependent on optical link conditions.",

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