Explanipedia

FPGA-based hardware implementation of integrated FEC equalization in bandwidth-efficient IM/DD optical interconnection Open

Yang Tian, Junyuan Song, Shixin Liu, Hailian He, Jun Ming , et al. · 2025

An integrated forward error correction (FEC) equalization scheme based on polar decoded decision least mean square (PD-LMS) is proposed and experimentally demonstrated in an intensity modulation direct detection optical 4-level pulse ampli…

Federated deep reinforcement learning-based urban traffic signal optimal control Open

M. Li, Xiaolong Pan, Chuhui Liu, Zirui Li · 2025

This paper proposes a cross-domain intelligent traffic signal control method based on federated Proximal-Policy Optimization (PPO) for distributed joint training of agents across domains for typical intersections, aiming at solving the pro…

Has the Three Gorges Reservoir Impacted Regional Moisture Recycling? Open

Jia Wei, Weiguang Wang, Mingzhu Cao, Jianyun Zhang, Junliang Jin , et al. · 2025

The Three Gorges Dam (TGD) and its impoundment significantly alter natural river properties and local land cover, drawing considerable concerns regarding its climatic and environmental effects. However, with the role of the Three Gorges Re…

Highly robust and hardware-efficient frame synchronization and carrier recovery via pilot-only approaches for short-reach optical interconnections Open

Chenchen Wang, Zhipei Li, Ze Dong, Junyuan Song, Ran Gao , et al. · 2025

Ultra-High Bandwidth Efficiency Implementation Based on Polar Coded Symbol Division Multiplexing in Short-Reach Optical Interconnection Open

Ze Dong, Hailian He, Yujia Mu, Junyuan Song, Jun Ming , et al. · 2025

End-to-end learning strategy based on a frequency domain feature decoupling network emulator with joint probabilistic shaping and equalization for a 300-Gbit/s OAM mode division multiplexing transmission Open

Qi Xu, Ran Gao, Zhaohui Cheng, Fei Wang, Yi Cui , et al. · 2024

Mode coupling and device nonlinear impairment appear to be a long-standing challenge in the orbital angular momentum (OAM) mode division multiplexing (MDM) of intensity modulation direct detection (IM/DD) transmission systems. In this pape…

Hybrid transmission of PS-GS4QAM and QPSK data in the form of a PS-16QAM mm-wave signal enabled by optical asymmetrical dual-SSB modulation Open

Hengxin Yan, Tangyao Xie, Xinying Li, Xiaolong Pan, Jiahao Bi , et al. · 2024

The independent optical dual-single-sideband (dual-SSB) signal generation and detection can be achieved by an optical in-phase/quadrature (I/Q) modulator and one single photodiode (PD). The dual-SSB signal is able to carry two different in…

Secure key real-time update and dynamic DNA encryption for CO-OFDM-PON based on a hybrid 5-D chaos Open

Yun Wang, Qi Zhang, Ran Gao, Xiangjun Xin, Rongzhen Xie , et al. · 2023

A double key (DK) real-time update and hybrid five-dimensional (5-D) hyperchaotic deoxyribonucleic acid (DNA) dynamic encryption scheme is proposed, which can ensure the security in the orthogonal frequency division multiplexing passive op…

Bayesian generative adversarial network emulator based end-to-end learning strategy of the probabilistic shaping for OAM mode division multiplexing IM/DD transmission Open

Qi Xu, Ran Gao, Huan Chang, Zhipei Li, Fei Wang , et al. · 2023

Orbital angular momentum (OAM) mode division multiplexing (MDM) has emerged as a new multiplexing technology that can significantly increase transmission capacity. In addition, probabilistic shaping (PS) is a well-established technique tha…

Exploring the mechanism of atherosclerosis and the intervention of traditional Chinese medicine combined with mesenchymal stem cells based on inflammatory targets Open

Shibiao Sun, Feixiang Liu, Feiyan Fan, Na Chen, Xiaolong Pan , et al. · 2023

Atherosclerosis (AS) is a chronic inflammatory vascular disease, which is the common pathological basis of cardiovascular and cerebrovascular diseases. The immune inflammatory response throughout the course of AS has been evidenced by stud…

Hidden conditional random field-based equalizer for the 3D-CAP-64 transmission of OAM mode-division multiplexed ring-core fiber communication Open

Yi Cui, Ran Gao, Qi Zhang, Yongjun Wang, Jie Liu , et al. · 2023

As a key technique for achieving ultra-high capacity optical fiber communications, orbital angular momentum (OAM) mode-division multiplexing (MDM) is affected by severe nonlinear impairments, including modulation related nonlinearities, sq…

400 Gbit/s 4 mode transmission for IM/DD OAM mode division multiplexing optical fiber communication with a few-shot learning-based AffinityNet nonlinear equalizer Open

Fei Wang, Ran Gao, Zhipei Li, Jie Liu, Yi Cui , et al. · 2023

Nonlinear impairment in a high-speed orbital angular momentum (OAM) mode-division multiplexing (MDM) optical fiber communication system presents high complexity and strong stochasticity due to the massive optoelectronic devices. In this pa…

Exploring the Mechanism of Atherosclerosis and the Intervention of Traditional Chinese Medicine Combined with Mesenchymal Stem Cells Based on Inflammatory Targets Open

Shibiao Sun, Feixiang Liu, Feiyan Fan, Na Chen, Xiaolong Pan , et al. · 2023

Effect of Rgo on Microwave Absorbing Properties of Al1.5co4fe2cr High-Entropy Alloys Open

Ruixuan Li, Shuo Wang, Xiaolong Pan, Weiran Zhang, Yong Zhang , et al. · 2023

Liver Abscess Combined with Endogenous Endophthalmitis Caused by Genotype ST25 Serotype K2 Hypervirulent Klebsiella pneumoniae: A Case Report Open

Jian Lin, Yize Huang, Qian Li, Xiaolong Pan, Song You-liang · 2022

At present, invasive syndrome caused by hypervirulent Klebsiella pneumoniae (HvKp) is a widespread concern, and HvKp strains of different genotypes have been isolated. Here, we report a case of community-acquired liver abscess and e…

Chaotic physical layer encryption scheme based on phase ambiguity for a DMT system Open

Xishuo Wang, Zhipei Li, Qi Zhang, Xiaolong Pan, Ran Gao , et al. · 2022

Chaotic encryption is a promising scheme for physical layer security. By solving the multi-dimensional chaotic equations and transforming the obtained results, both bit-level and symbol-level encryption can be realized. One of the mainstre…

A multi-repeat mapping based probabilistic shaping coding method applied to data center optical networks Open

Zexuan Jing, Qinghua Tian, Xiangjun Xin, Junjie Ding, Jianjun Yu , et al. · 2020

In recent years, the technology to narrow the gap between the achievable information rate and the Shannon capacity limits attracts increasing attention. In this paper, a probabilistic shaping coding method based on multi-repeat mapping is …

Author response for "Study of meat quality and flavour in different cuts of Duroc‐Bamei binary hybrid pigs" Open

Guoshun Chen, Yu Cai, Yingyu Su, Dong Wang, Xiaolong Pan , et al. · 2020

Theoretical Uniformity Analysis and Improvement of Spray Deposition by Mixing Nozzles with Heating Conditions Open

Xuran Dong, Xiaolong Pan, Xianxian Gao, Haisheng Fang · 2020

Spray coating is widely used in the manufacture of deposited layers of electronic devices due to its unique advantages of high-speed deposition over a large area. To improve the spray deposition process for further low-cost and uniform pro…

Mitigation of crosstalk between RSB and LSB signals generated by one I/Q modulator Open

Xiaolong Pan, Bo Zhang, Xiangyu Liu, Hongxin Zhang, Kaihui Wang , et al. · 2020

Optical independent sideband (ISB) signals can be generated by exploiting one external In-phase/Quadrature (I/Q) modulator. Our theoretical analysis shows crosstalk between the two ISB (right and left side) signals can attribute to two mai…

Robust weighted K-means clustering algorithm for a probabilistic-shaped 64QAM coherent optical communication system Open

Xishuo Wang, Qi Zhang, Xiangjun Xin, Ran Gao, Qinghua Tian , et al. · 2019

A novel weighted K-means scheme for a probabilistic-shaped (PS) 64 quadrature amplitude modulation (QAM) signal is proposed in order to locate the decision points more accurately and enhance the robustness of clustering algorithm. By using…

Probabilistic shaped trellis coded modulation with generalized frequency division multiplexing for data center optical networks Open

Feng Tian, Dong Guo, Xiangjun Xin, Qi Zhang, Chuxuan Wang , et al. · 2019

With the requirement for large capacity communication systems, the technology to close the gap between the achievable information rate and the Shannon capacity limit attracts more and more attention. In this paper, we present a novel schem…

Independent dual single-sideband vector millimeter-wave signal generation by one single I/Q modulator Open

Xiaolong Pan, Xiangyu Liu, Hongxin Zhang, Kaihui Wang, Yuemin Zhang , et al. · 2019

We propose a new scheme to realize the independent dual single-sideband (SSB) vector millimeter-wave (mm-wave) signal generation based on one single in-phase/quadrature (I/Q) modulator. The two SSB vector mm-wave signals can have independe…

DNN-based aberration correction in a wavefront sensorless adaptive optics system Open

Qinghua Tian, Chenda Lu, Bo Liu, Lei Zhu, Xiaolong Pan , et al. · 2019

Existing wavefront sensorless (WFS-less) adaptive optics (AO) generally require a search algorithm that takes lots of iterations and measurements to get optimal results. So the latency is a serious problem in the current WFS-less AO system…

100 Gbit/s VSB-PAM-n IM/DD transmission system based on 10 GHz DML with optical filtering and joint nonlinear equalization Open

Jianyu Zhang, Jianjun Yu, Xinying Li, Yiran Wei, Kaihui Wang , et al. · 2019

We experimentally demonstrate the transmission of 100 Gbit/s and beyond vestigial sideband (VSB) n-level pulse amplitude modulation (PAM-n) signals, with a commercial 10 GHz-class directly modulated laser (DML) in the C-band, using optical…

Envelope detection of 16QAM single carrier signal for IM/DD RoF system at Q-band Open

Kai Lv, Xiaolong Pan, Junwen Zhang, Kaihui Wang, Dong Guo , et al. · 2019

In this paper, an envelope detection scheme of single carrier 16-ary quadrature amplitude modulation (16QAM) for Intensity-Modulation/Direct-Detection (IM/DD) radio-over-fiber (RoF) system is theoretically and experimentally investigated. …

Turbo-coded 16-ary OAM shift keying FSO communication system combining the CNN-based adaptive demodulator Open

Qinghua Tian, Zhe Li, Kang Hu, Lei Zhu, Xiaolong Pan , et al. · 2018

In this paper, a novel turbo-coded 16-ary orbital angular momentum - shift keying-free space optical (OAM-SK-FSO) communication system combining a convolutional neural network (CNN) based adaptive demodulator under strong atmospheric turbu…

Microwave Bandpass Filter Based on Mie-Resonance Extraordinary Transmission Open

Xiaolong Pan, Haiyan Wang, Dezhao Zhang, Shuang Xun, Mengzhu Ouyang , et al. · 2016

Microwave bandpass filter structure has been designed and fabricated by filling the periodically metallic apertures with dielectric particles. The microwave cannot transmit through the metallic subwavelength apertures. By filling the metal…

Low complexity Reed–Solomon-based low-density parity-check design for software defined optical transmission system based on adaptive puncturing decoding algorithm Open

Xiaolong Pan, Bo Liu, Jianglong Zheng, Qinghua Tian · 2016

We propose and demonstrate a low complexity Reed–Solomon-based low-density parity-check (RS-LDPC) code with adaptive puncturing decoding algorithm for elastic optical transmission system. Partial received codes and the relevant column in p…

Low complexity MIMO method based on matrix transformation for few-mode multi-core optical transmission system Open

Xiaolong Pan, Bo Liu, Li Li, Qinghua Tian · 2016

This paper proposes and demonstrates a low complexity multiple-input multiple-output (MIMO) equalization digital signal processing (DSP) method for the few mode multi-core (FMMC) fiber optical transmission system. The MIMO equalization alg…

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