I am a first year Ph.D. student in the Department of Computer Science @ UVa, where I work with Prof. Yangfeng Ji in the NLP group. My research interests lie in Natural Language Processing, Deep Learning, and Interpretable Machine Learning.


  1. A Two-Dimensional Constellation Design Method for Visible Light Communications With Signal-Dependent Shot Noise
    Hanjie Chen, Zhengyuan Xu
    IEEE Communications Letters, Sept. 2018

  2. The Near-field Radiation Pattern of an OLED Panel and Its Application in Detection
    Rui Xu, Hanjie Chen, Zhengyuan Xu
    CSNDSP, July 2018

  3. A 51.6 Mbps Experimental VLC System Using a Monochromic Organic LED
    Hanjie Chen, Zhengyuan Xu, Qian Gao, Shangbin Li
    IEEE Photonics Journal, April 2018

  4. OLED Panel Radiation Pattern and Its Impact on VLC Channel Characteristics
    Hanjie Chen, Zhengyuan Xu
    IEEE Photonics Journal, April 2018

  5. Radiation Pattern Modeling of a Bent OLED Panel for Visible Light Communication
    Hanjie Chen, Zhengyuan Xu
    ACP, Nov. 2017

  6. Volterra-based Nonlinear Equalization for Nonlinearity Mitigation in Organic VLC
    Xiangyu Li, Hanjie Chen, Shangbin Li, Qian Gao, Chen Gong, Zhengyuan Xu
    IWCMC, June 2017

  7. A 1.9 Mbps OFDM-based All-organic Visible Light Communication System
    Hanjie Chen, Shangbin Li, Wenhai Li, Boyang Huang, Jing Xie, Guifang Dong, Zhengyuan Xu
    ICCS, Dec. 2016

  8. Squarylium and Rubrene Based Filterless Narrowband Photodetectors for an All-organic Two-channel Visible Light Communication System
    Wenhai Li, Shangbin Li, Lian Duan, Hanjie Chen, Liduo Wang, Guifang Dong, Zhengyuan Xu
    Organic Electronics, Oct. 2016