Research and Experimental Verification of FPGA-based Ultra-High Sensitivity Transceivers

YAO Wenjie; CHEN Jun; HUANG Huilin; SHEN Junyi; DUAN Mingxiong; WU Jianjun

doi:10.13756/j.gtxyj.2026.240105

您当前的位置：

首页 >

文章列表页 >

Research and Experimental Verification of FPGA-based Ultra-High Sensitivity Transceivers

更新时间：2026-03-03

- Research and Experimental Verification of FPGA-based Ultra-High Sensitivity Transceivers
- Study on Optical Communications Issue 1, (2026)
- 作者机构：
  
  1.国网福建省电力有限公司信息通信分公司，福州　 350001
  2.武汉光迅科技股份有限公司，武汉　 430205
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2026.240105
  CLC： TN929
- Received：01 June 2024，
  
  Revised：2024-06-21，
  
  Published：10 February 2026
- 稿件说明：
移动端阅览
姚文杰，陈均，黄惠琳，等. 基于FPGA的超高灵敏度收发机研究及实验验证[J]. 光通信研究，2026(1): 240105.

Yao W J, Chen J, Huang H L, et al. Research and Experimental Verification of FPGA-based Ultra-High Sensitivity Transceivers[J]. Study on Optical Communications, 2026(1): 240105.
姚文杰，陈均，黄惠琳，等. 基于FPGA的超高灵敏度收发机研究及实验验证[J]. 光通信研究，2026(1): 240105. DOI： 10.13756/j.gtxyj.2026.240105.

Yao W J, Chen J, Huang H L, et al. Research and Experimental Verification of FPGA-based Ultra-High Sensitivity Transceivers[J]. Study on Optical Communications, 2026(1): 240105. DOI： 10.13756/j.gtxyj.2026.240105.

摘要

目的

文章针对传统超长无中继通信系统中存在极高链路损耗，而导致传统收发机架构接收机灵敏度受限的问题，提出了一种基于现场可编程门阵列（FPGA）的超高灵敏度收发机方案，通过优化传统相干数字信号处理（DSP）算法，提出了无中继通信系统的实时通信方案。

方法

文章通过仿真建模分析了偏振复用正交相移键控（PDM-QPSK）信号在不同传输速率下的接收灵敏度，并利用4个远程增益单元（RGU）搭建了长达832.88 km的超长无中继通信系统，对实时传输进行了实验验证。

结果

仿真分析表明，优化后的超高灵敏度接收机在2.5 Gbit/s速率下的接收机灵敏度为-53.5 dBm，在625 Mbit/s速率下的接收机灵敏度为-59.3 dBm。成功完成了传输距离为832.88 km，传输速率为625 Mbit/s的PDM-QPSK实时无中继通信传输实验验证，其中G.654 E单模光纤的总传输损耗为121.2 dB。

结论

文章所提基于FPGA的相干收发架构能够在超低接收光功率下实现高灵敏度信号检测，并且通过将其与拉曼泵浦放大器与RGU相结合，可进一步延长超长无中继传输系统的传输距离。

Abstract

Objective

The objective of this paper is to address the problem of extremely high link loss in traditional ultra-long unrepeatered communication systems with limited receiver sensitivity of traditional transceiver architectures. An ultra-high sensitivity Field Programmable Logic Gate Array (FPGA) -based transceiver scheme is proposed

and a real-time communication scheme for the unrepeatered communication system is proposed by optimizing the traditional coherent Digital Signal Processing (DSP) algorithm.

Methods

The receiver sensitivity of Polarization-Division-Multiplexing Quadrature-Phase-Shift-Keying (PDM-QPSK) signal at different transmission rates is analyzed in simulation

and an ultra-long unrepeatered communication system of 832.88 km is constructed to experimentally validate the real-time transmission using four Remote Gain Units (RGU).

Results

The simulation analysis shows that the ultra-high sensitivity receiver after optimization has a receiver sensitivity of-53.5 dBm at 2.5 Gbit/s and-59.3 dBm at 625 Mbit/s. The experimental verification of real-time unrepeatered transmission is successfully completed for the PDM-QPSK signal transmission over a distance of 832.88 km and a rate of 625 Mbit/s

where G.654 E fiber and RGUs are used in the transmission link. The total transmission loss of the G.654 E single-mode fibre is 121.2 dB.

Conclusion

The proposed FPGA-based coherent transceiver architecture is capable of achieving high sensitivity signal detection at ultra-low received optical power. The transmission distance of the ultra-long unrepeatered transmission system can be further extended by combining it with Raman pump amplifiers and RGUs.

关键词

Keywords

references

Xu J , Sun S , Hu Q , et al . Unrepeatered Transmission over 670.64 km of 50 G BPSK, 653.35 km of 100 G PS-QPSK, 601.93 kmof200 G8QAM, and 502.13 km of 400 G 64QAM [J ] . Journal of Lightwave Technology , 2020 , 38 ( 2 ): 522 - 530 .

Xu J , Hu Q , Sun S , et al . Single-Carrier 500 Gb/s Unrepeatered Transmission over a Single 431 km Span with Single Fiber Configuration [C ] // Optical Fiber Communication Conference (OFC) 2020 . San Diego, California, USA : Optica Publishing Group , 2020 : Th1D.2 .

Xu J , Huang L , Yu J , et al . Transmission of 2.5 Gbit/s PM-BPSK over 606.5 km with a Span Loss in Excess of 101 dB [C ] // 2018 23rd Opto-Electronics and Communications Conference (OECC) . Jeju, Korea : IEEE , 2018 : 8730077 .

Xu J , Yu J , Hu Q , et al . Longest-ever Unrepeatered Transmission over 713.2 km of 2.5 Gbit/s with a Span Loss in Excess of 111 dB [C ] // CLEO Pacific Rim Conference . Hong Kong, China : OSA , 2018 : Tu2I.5 .

Wu J , Xu J , Hu Q , et al . Unrepeatered Transmission of Single-Carrier 800 Gb/s over 404 km with Commercial Transceiver and Enhanced ROPA System [C ] // 2021 Optical Fiber Communications Conference and Exhibition (OFC) . San Francisco, CA, USA : IEEE , 2021 : 9489592 .

Xu J , Yu J , Hu Q , et al . 50 G BPSK, 100 G SP-QPSK, 200 G 8QAM, 400 G 64QAM Ultra Long Single Span Unrepeatered Transmission over 670.64 km, 653.35 km, 601.93 km and 502.13 km Respectively [C ] // 2019 Optical Fiber Communications Conference and Exhibition (OFC) . San Diego, CA, USA : IEEE , 2019 : 8696612 .

Januário J C S S , Rossi S M , José H C , et al . Single-Carrier 400 G Unrepeatered WDM Transmission over 443.1 km [C ] // 2017 European Conference on Optical Communication (ECOC) . Gothenburg, Sweden : IEEE , 2017 : 8345853 .

Wu J , Ao X , Xu G , et al . Real-Time Unrepeatered Transmission over 500-km SMF of 4×10 G PDM-QPSK with EDFA Amplification Only [C ] // 2022 Asia Communications and Photonics Conference (ACP) . Shenzhen, China : IEEE , 2022 : 10088843 .

吴俊宇 , 敖学渊 , 邓磊 , 等 . 基于放大器优化的无中继通信系统研究 [J ] . 光通信研究 , 2024 ( 4 ): 230003 .

Wu J Y , Ao X Y , Deng L , et al . Research of Unrepeatered Transmission System based on Amplifier Optimization [J ] . Study on Optical Communications , 2024 ( 4 ): 230003 .

Mizuochi T . Next Generation FEC for Optical Communication [C ] // OFC/NFOEC 2008-2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference . San Diego, CA, USA : IEEE , 2008 : 4528593 .

Views

下载量

CSCD

CNKI被引量

Alert me when the article has been cited

提交

Tools

Publicity Resources

Research of Unrepeatered Transmission System based on Amplifier Optimization

Design of High Nonlinear Photonic Crystal Fiber with Low Loss Spiral Structure

Design of Network Service Transmission with LDPC Coding in Space Laser Communication

The 2.5 Gbit/s Optical System Used in Illumination Guidance System based on Serial Parallel Transceiver

Real-time Implementation of Chaos Synchronization Using Neural Network based on FPGA

Related Author

WU Junyu

AO Xueyuan

DENG Lei

DAI Xiaoxiao

FU Songnian

LIU Chen

YANG Qi

TIAN Zhijun

Related Institution

Guangdong Provincial Key Laboratory of Information Photonics Technology

School of Information Engineering, Guangdong University of Technology

Shenzhen Huazhong University of Science and Technology Research Institute

School of Optical and Electronic Information, Huazhong University of Science and Technology

School of Science, Lanzhou University of Technology

Address：3rd floor, Building 4, Fenghuo Science Park, Gaoxinsilu, East Lake New Technology Development Zone, Wuhan, Hubei Province, P.R.China Postal code：430205
Technical support is provided by Beijing Founder electronics co., LTD 鄂ICP备2022010197 鄂公网安备 42011202002092号
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.
Total Visits：312958 Visits Today：124

⁰