双导体海底光缆系统的传输容量及其经济性建模研究
首发时间:2025-03-03
摘要:本文对使用单芯光纤和多芯光纤的双导体供电海底光缆传输系统的容量与成本进行了建模和分析,比较了单导体和双导体海缆传输系统的理论最大容量及其每比特成本。结果表明,在多芯光纤海缆系统中引入双导体供电结构能够带来80%-110%的传输容量提升。当双导体海缆的制造成本能够维持在单导体海缆成本的5倍以内时,双导体海缆可以在实现更大的传输容量的同时保持与单导体海缆相近的每比特成本。本研究建立了双导体海底光缆系统的容量和成本模型,对采用多芯光纤空分复用后的海底光缆系统传输容量进一步提升提供了理论依据,给双导体海底光缆在未来的商业化部署提供了具有重要参考价值的依据。
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the study on transmission capacity and economic modeling of dual-conductor submarine optical cable system
abstract:this paper presents a comprehensive modeling and analysis of the capacity and cost of submarine optical cable transmission systems powered by dual-conductor configurations, utilizing both single-core and multi-core optical fibers. the study compares the theoretical maximum capacity and per-bit cost of single-conductor and dual-conductor submarine cable transmission systems. the results indicate that the introduction of a dual-conductor power supply structure in multi-core optical fiber submarine cable systems can achieve an increase in transmission capacity of 80% to 110%. furthermore, when the study on transmission capacity and economic modeling ofthe manufacturing cost of dual-conductor cables can be maintained within five times that of single-conductor cables, the dual-conductor cables can provide significantly higher transmission capacity while maintaining a per-bit cost comparable to that of single-conductor cables. this research establishes a capacity and cost model for dual-conductor submarine optical cable systems, providing a theoretical foundation for further enhancement of transmission capacity in submarine cable systems adopting multi-core fiber space-division multiplexing. additionally, it offers valuable insights for the potential commercial deployment of dual-conductor submarine optical cables in the future. the findings of this study not only advance the understanding of capacity enhancement strategies in submarine communication networks but also provide practical guidelines for optimizing cost-efficiency in future submarine cable deployments.
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双导体海底光缆系统的传输容量及其经济性建模研究
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