smf -FSO无线/UWOC/FSO融合系统中5G/5G NR/6G信号的双向传输

IF 2.5 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-09-23 DOI:10.1016/j.optcom.2025.132507

Stotaw Talbachew Hayle , Ming-Chung Cheng , Hai-Han Lu , Wei-Zhi Jiang , Chi-Hsiang Hsu , Wei-Ting Huang , Feng-Ti Chen , Yen-Chen Chen , Chun-Cheng Liang , Jia-Hui Chou

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引用次数: 0

摘要

一个双向融合系统集成了单模光纤（SMF）、自由空间光（FSO）和各种无线/水下光通信(UWOC)/FSO链路，用于第五代（5G）、5G新无线电（NR）和第六代（6G）信号的无缝多频段传输。该架构利用毫米波、次太赫兹（sub-THz）和太赫兹（THz）频段，支持跨陆地和水下环境的高容量远距离通信。利用5G NR亚太赫兹反馈信号和空间光调制器来纠正UWOC链路中由于海洋干扰引起的波束失调。使用FSO备份路径代替6G太赫兹无线链路以支持可靠性。实验结果表明，在38 km的SMF和1.58 km的FSO以及各种无线/UWOC/FSO链路上，下行和上行的总数据速率分别为70 gb /s和180 gb /s。该系统的误码率低于3.8 × 10−3，误差矢量量级低于12.5%，并且清晰的星座模式确认了下一代综合空-陆-水系统的系统可靠性。

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Bidirectional transmission of 5G/5G NR/6G signals in a SMF-FSO-wireless/UWOC/FSO converged system

A bidirectional converged system integrating single-mode fiber (SMF), free-space optical (FSO), and various wireless/underwater optical communication (UWOC)/FSO links is demonstrated for seamless multiband transmission of fifth-generation (5G), 5G new radio (NR), and sixth-generation (6G) signals. Utilizing millimeter-wave, sub-terahertz (sub-THz), and terahertz (THz) bands, the architecture supports high-capacity, long-distance communication across terrestrial and underwater environments. Both 5G NR sub-THz feedback signal and a spatial light modulator are used to correct beam misalignment in UWOC links due to ocean disturbances. An FSO backup path is used in place of the 6G THz wireless link to support reliability. Based on the experimental results, the total downstream and upstream data rates are 70-Gb/s and 180-Gb/s, respectively, transmitted over 38-km of SMF, 1.58-km of FSO, and various wireless/UWOC/FSO links. The system attains bit-error rates below 3.8 × 10⁻³, error vector magnitudes below 12.5 %, and clear constellation patterns confirming system reliability for next-generation integrated air-land-underwater systems.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.