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Integrating Radio-Over-Fiber Communication System and BOTDR Sensor System

Journal Article · · Sensors
DOI:https://doi.org/10.3390/s20082232· OSTI ID:1815479
 [1];  [2];  [3];  [3];  [3];  [3];  [4];  [5]
  1. Northumbria Univ., Newcastle upon Tyne (United Kingdom). Dept. of Mathematics, Physics and Electrical Engineering; OSTI
  2. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
  3. Northumbria Univ., Newcastle upon Tyne (United Kingdom). Dept. of Mathematics, Physics and Electrical Engineering
  4. Univ. of Kent, Canterbury (United Kingdom). School of Engineering and Digital Arts
  5. Hong Kong Polytechnic Univ., Hong Kong (Hong Kong)
+ Show Author Affiliations

In this paper, we propose and experimentally demonstrate for the first time, the integration of a radio-over-fiber (RoF) communication system and a Brillouin optical time-domain reflectometry (BOTDR) distributed sensor system using a single optical fiber link. In this proof-of-concept integrated system, the communication system is composed of three modulation formats of quadrature phase-shift keying (QPSK), 16-quadrature amplitude modulation (16-QAM) and 64-QAM, which are modulated onto an orthogonal frequency division multiplexing (OFDM) signal. Whereas, the BOTDR sensor system is used for strain and/or temperature monitoring over the fiber distance with a spatial resolution of 5 m using a 25 km single-mode silica fiber. The error vector magnitude (EVM) is analyzed in three modulation formats in the presence of various BOTDR input pump powers. Using QPSK modulation, optimized 18 dBm sensing and 10 dBm data power, the measured EVM values with and without bandpass filter are 3.5% and 14.5%, respectively. The proposed system demonstrates a low temperature measurement error (±0.49 °C at the end of 25 km) and acceptable EVM values, which were within the 3GPP requirements. The proposed integrated system can be effectively applied for practical applications, which significantly reduces the fiber infrastructure cost by effective usage of a single optical fiber link.

Research Organization:
Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Royal Society Kan Tong Po International Fellowship
Grant/Contract Number:
SC0014664
OSTI ID:
1815479
Journal Information:
Sensors, Journal Name: Sensors Journal Issue: 8 Vol. 20; ISSN SENSC9; ISSN 1424-8220
Publisher:
MDPI AGCopyright Statement
Country of Publication:
United States
Language:
English

References (14)

5G: The Convergence of Wireless Communications journal March 2015
Performance analysis of Brillouin optical time domain reflectometry (BOTDR) employing wavelength diversity and passive depolarizer techniques journal January 2018
A technique to measure distributed strain in optical fibers journal May 1990
Adaptation of Mode Filtering Technique in 4G-LTE Hybrid RoMMF-FSO for Last-Mile Access Network journal September 2017
Performance Improvement of Brillouin Ring Laser Based BOTDR System Employing a Wavelength Diversity Technique journal February 2018
A Flexible Subcarrier Multiplexing System With Analog Transport and Digital Processing for 5G (and Beyond) Fronthaul journal July 2019
Theoretical and Experimental Optimum System Design for LTE-RoF Over Varying Transmission Span and Identification of System Nonlinear Limit journal October 2012
Error Vector Magnitude as a Performance Measure for Advanced Modulation Formats journal January 2012
A Survey on Security Aspects for LTE and LTE-A Networks journal April 2014
Real-time monitoring of railway traffic using slope-assisted Brillouin distributed sensors journal January 2013
50-km single-ended spontaneous-Brillouin-based distributed-temperature sensor exploiting pulsed Raman amplification journal January 2003
Transmission of High Power Sensor System and DWDM Data System in One Optical Fiber journal January 2016
A Review of Distributed Optical Fiber Sensors for Civil Engineering Applications journal May 2016
A Novel Four Single-Sideband M-QAM Modulation Scheme Using a Shadow Equalizer for MIMO System Toward 5G Communications journal April 2019

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Related Subjects

42 ENGINEERING
BOTDR
distributed fiber sensor
radio-over-fiber (RoF)