Sixteen-Channel 1920 Gbps Full-Duplex Optical Fiber Coherent Communication System Based on Dual Polarization-64 Quadrature Amplitude Modulation for 5G Fronthaul

IF 0.4 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Communications Technology and Electronics Pub Date : 2023-12-01 DOI:10.1134/s106422692312001x

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Abstract

This article presents a bidirectional optical fiber communication system employing Dual Polarization-64 Quadrature Amplitude Modulation and Digital Signal Processing (DP-64QAM and DSP). With sixteen channels operating at 120 Gb/s each, the system achieves a total capacity of 1920 Gbps. OptiSystem V.19 software simulations confirm compliance with ITU-T 5G fronthaul requirements in G-series Recommendations-Supplement 66. Performance evaluation focuses on Bit Error Rate (BER), incorporating an Optical Signal-to-Noise Ratio (OSNR) and an adaptable optical span. Simulation results establish the system’s suitability as an F1 and Fx 5G fronthaul link for functional splits of 1 to 7c, aligning with ITU-T stipulations (<120 Gbps per channel). The design employs a bidirectional single-mode optical fiber for up to 13 km and 13.5 km distances in downlinks and uplinks. Incorporating two Dispersion Compensator Filters (DCFs) extends this to 19.5 km. This enhancement underscores the adaptability for real-world applications, particularly in extended-range scenarios necessitating robust and high-capacity communication links.

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基于双偏振-64 正交调幅的 16 通道 1920 Gbps 全双工光纤相干通信系统，用于 5G 前传

摘要本文介绍了一种采用双偏振-64 正交调幅和数字信号处理（DP-64QAM 和 DSP）的双向光纤通信系统。该系统有 16 个通道，每个通道的工作速率为 120 Gb/s，总容量达到 1920 Gbps。OptiSystem V.19 软件模拟证实符合 ITU-T 5G 前传要求（G 系列建议-补充 66）。性能评估的重点是比特误码率（BER），包括光信噪比（OSNR）和可适应的光跨度。仿真结果表明，该系统适用于 F1 和 Fx 5G 前传链路，功能分频为 1 至 7c，符合 ITU-T 规定（每信道 120 Gbps）。设计采用双向单模光纤，下行链路和上行链路的距离分别可达 13 千米和 13.5 千米。采用两个色散补偿滤波器（DCF）后，传输距离可延长至 19.5 公里。这一改进凸显了其在实际应用中的适应性，特别是在需要强大和高容量通信链路的延伸范围应用中。

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来源期刊

Journal of Communications Technology and Electronics 工程技术-电信学

CiteScore

1.00

自引率

20.00%

发文量

170

审稿时长

10.5 months

期刊介绍： Journal of Communications Technology and Electronics is a journal that publishes articles on a broad spectrum of theoretical, fundamental, and applied issues of radio engineering, communication, and electron physics. It publishes original articles from the leading scientific and research centers. The journal covers all essential branches of electromagnetics, wave propagation theory, signal processing, transmission lines, telecommunications, physics of semiconductors, and physical processes in electron devices, as well as applications in biology, medicine, microelectronics, nanoelectronics, electron and ion emission, etc.