A Hybrid TWDM-RoF Transmission System Based on a Sub-Central Station

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 571)


In this paper, a full-duplex time- and wavelength-division multiplexing -radio-over-fiber (TWDM-RoF) system which can support a hybrid transmission of wired and wireless data is proposed based on an additional sub-central station (SCS). For the downlink, the TWDM technology is employed to transmitted wired and wireless services from a central station (CS) to a SCS with baseband data formats. For the uplink, one upstream optical carrier can simultaneously support both wired and wireless signals to achieve upstream transmissions. Better system compatibility, wavelength utilization and dispersion tolerance for bidirectional transmission links can be achieved in the proposed system. Finally, a demonstrated system with one 10-Gbps wired signal and two 2.5-Gbps wireless signals carried by a 28-GHz radio frequency (RF) signal is established. We validate the feasibility of this system based on the results of the bit error rate (BER) curves for both downlink and uplink.


Radio-over-fiber TWDM Hybrid transmission Full-duplex 



This work is supported in part by the China Postdoctoral Science Foundation (2019M651095), the Fundamental Research Funds for the Central Universities under Grant 3132019210 and Grant 3132019220.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Information Science and Technology, Dalian Maritime UniversityDalianChina
  2. 2.School of Information and Communication Engineering, Dalian University of TechnologyDalianChina

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