Technology, Application and Prospect of Integrated Sensing and Communication of Optical Networks

doi:10.13756/j.gtxyj.2025.240046

Study On Optical Communications, Volume. 51, Issue 2, 240046-01(2025)

Institute of Technology and Standards, China Academy of Information and Communications Technology (CAICT), Beijing 100191, China

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Fig. 1. Schematic of 4 typical distributed fiber optic sensing systems based on Rayleigh scattering

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Fig. 2. Schematic of typical ROTDR/DTS systems

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Fig. 3. Schematic of typical BOTDR systems

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Fig. 4. Schematic diagram of two basic ways of integrating communication and sensing systems

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Fig. 5. Schematic diagram of integrating sensing and communication systems based on WDM

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Table 1. Summary of typical distributed fiber optic sensing technologies and their characteristics

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Table 1. Summary of typical distributed fiber optic sensing technologies and their characteristics

散射类型	典型系统	光学参量	传感参量	技术特点
瑞利散射	OTDR	强度	光纤长度、衰减	结构简单，技术成熟
	P-OTDR	偏振	振动、偏振模色散	灵敏度高，但信噪比较低
	Φ-OTDR	相位	振动、应变	灵敏度高，易受无关噪声干扰
	OFDR	频率	插损、回波损耗等	空间分辨率高，但系统复杂
拉曼散射	ROTDR/DTS	强度	温度	相干检测，响应度较低，需时间平均
布里渊散射	BOTDR/DTSS	频移	温度、应变	相干检测，可同时解调双参量
布里渊散射	BOTDA	频移	温度、应变	传感距离长，但系统复杂

Table 2. Research progress on integration of sensing and communication for optical networks

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Table 2. Research progress on integration of sensing and communication for optical networks

发布时间	发布/研究单位	项目/标准/课题名称
2022	ITU-T SG15 Q8	G. dsssc专用科学观测海缆系统
2022	ITU-T SG15 Q8	G. smart科学观测和可靠通信海缆系统
2022	ITU-T SG15 Q6	G. dfos用于地面光传输系统的分布式光纤传感系统
2022.04	华为技术有限公司	F5.5G
2023	科学技术部	高速光纤通信传感一体化系统与关键技术
2023	科学技术部	面向海底应用的大容量光通信与海洋信息感知一体化融合系统
2023.02	CCSA	研究课题《面向分布式光纤传感的光纤光缆技术研究》
2023.09	IMT-2020（5G）推进组	《面向通感算一体化光网络的光纤传感技术》白皮书
2023.12	CCSA	行业标准《通信传感一体用窄线宽集成激光器组件》
2023.11	CCSA	讨论研究课题《通信传感一体用光器件研究》立项
2023.12	CCSA	推荐国标《光纤光缆线路维护技术第3部分：基于光传感技术的光缆识别》
2023.12	CCSA	讨论研究课题《通感一体化光网络架构及关键技术》立项

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. Technology, Application and Prospect of Integrated Sensing and Communication of Optical Networks[J]. Study On Optical Communications, 2025, 51(2): 240046-01

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Paper Information

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Received: Mar. 22, 2024

Accepted: --

Published Online: May. 22, 2025

The Author Email:

DOI:10.13756/j.gtxyj.2025.240046

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Summary of typical distributed fiber optic sensing technologies and their characteristics

Table 1. Summary of typical distributed fiber optic sensing technologies and their characteristics

Table 2. Research progress on integration of sensing and communication for optical networks

Table 2. Research progress on integration of sensing and communication for optical networks

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