A novel dual polarization multiplexing RoF system integrating optical fiber and FSO channel with AMI downlink signals

Using dual polarization multiplexing alternate mark inversion (AMI) downlink signals, a novel radio over fiber (RoF) system integrating optical fiber and FSO channel is designed to adapt to applications in mountainous areas and other complex terrain areas. Optical heterodyne technology and self-mixi...

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Bibliographic Details
Published inHeliyon Vol. 10; no. 5; p. e26934
Main Authors Shao, Yufeng, Tian, Qing, Zhu, Yaodong, Wang, Anrong, Yang, Qiming, Yi, Linfang, Yu, Ni, Li, Chong, Chen, Peng, Li, Yanlin, Liu, Shuanfan, Zuo, Renjie, Yuan, Jie
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 15.03.2024
Elsevier
Subjects
AMI
BER
Eye diagram
FSO
RoF
RoF
FSO
AMI
BER
Eye diagram
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Summary:Using dual polarization multiplexing alternate mark inversion (AMI) downlink signals, a novel radio over fiber (RoF) system integrating optical fiber and FSO channel is designed to adapt to applications in mountainous areas and other complex terrain areas. Optical heterodyne technology and self-mixing homodyne detection method are used to realize high sensitivity detection of the received signals after 25.1 km channel (including 1 km single-mode fiber and 100 m free space link) transmission. Moreover, polarization multiplexing technology is introduced to exponentially increase the transmission capacity of downlink signals. This scheme not only can be compatible with traditional optical fiber transmission systems, but also support the wireless optical access application of millimeter wave signals in RoF systems.
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ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2024.e26934