Xu Chen

Create, Code, Implement

Experience

  • Ph.D., Northwestern University, Evanston, IL, USA.
  • M.Sc., Purdue University, West Lafayette, IN, USA.
  • B.E., Sun Yat-Sen University, Guangzhou, China.

Staff Perception Engineer at NIO, a self-driving car startup, present.

Wireless System Engineer at Apple, special projects, 2016-2018.

Co-Founder of Calterah, a startup building CMOS mm-wave radar chip, 2015-2016.

Research associate in the Hong Kong Polytechnic University.

Research intern at Nokia Research Center, Berkeley.

Visiting student at Massachusetts Institute of Technology (MIT).

Research Topics

  • ▪ Unsupervised learning via generative adversarial networks (GANs)
  • ▪ Radar tracking and pattern recognition
  • ▪ Indoor localization
  • ▪ Compressive sensing
  • ▪ Low-complexity neighbor discovery for Internet of Things (IoT)

Publication

Book Chapters

 

  • • Xu Chen and Dongning Guo, "A Novel Architecture for Public Safety Network", accepted to Public Safety Networks Series, Wiley-ISTE Press.

 

  Journal Papers

 

  • • Xu Chen, Dongning Guo and Gregory Wornell, "Sparse OFDM: a Compressive Sensing Approach to Asynchronous Neighbor Discovery," preprint.

 

  • • Xu Chen, Xu Li, Dongning Guo and John Grosspietsch, "Resource Allocation in the Public Safety Broadband Network with Rapid-Deployment Base Stations," IEEE Trans. Veh. Tech., vol. 67, pp. 1660-1671, 2018.

 

  • • Xu Chen, Tsung-Yi Chen and Dongning Guo, "Capacity of Gaussian Many-Access Channel," IEEE Trans. Inform. Theory, vol. 63, pp. 3516-3539, 2017.

 

  • • Xu Chen, Yue Zhao, C. W. Sham, W. M Tam, and Francis Lau, "A 2.0 Gb/s High Throughput Decoder for Protograph-based LDPC Covolutional Codes", IEEE Transactions on Circuits and Systems I: Regular Papers, vol.60, no.7, pp.1857,1869, July 2013.

 

  • • Xu Chen, Qing F. Zhou, Ting-wai Siu, and Francis Lau, "Asymptotic Analysis of Opportunistic Relaying based on the Max-Generalized-Mean Selection criterion", IEEE Trans. Wireless Commun., vol. 10, no. 4, pp 1050 - 1057, April 2011.

 

  • • Xu Chen, Ting-wai Siu, Qing F. Zhou and Francis Lau, "High-SNR Analysis of Opportunistic Relaying based on the Maximum Harmonic Mean Selection Criterion", IEEE Signal Processing Letter, vol.17, no.8, pp.719-722, Aug. 2010

 

  Conference Papers

 

  • • Xu Chen, Hao Ge, Yin Xia, Randall Berry and Ying Wu, "Fictitious GAN: Training Generative Adversarial Networks via Historical Models", ECCV 2018. (First three authors have equal contributions)

 

  • • Xu Chen, Jiang Wang and Hao Ge, "Training Generative Adversarial Networks via Primal-Dual Subgradient Methods: A Lagrangian Perspective on GAN", ICLR 2018. (First two authors have equal contributions)

 

  • • Zhiyi Zhou, Xu Chen, Dongning Guo and Michael Honig, "Sparse Massive MIMO Channel Estimation with 1-Bit Feedback per Dimension," WCNC, 2017. (Best paper award.)

 

  • • Xu Chen and Dongning Guo, "A Generalized LDPC Framework for Sublinear Compressive Sensing", submitted to International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2016.

 

  • • Xu Chen and Dongning Guo, "Robust Sublinear Complexity Walsh-Hadamard Transform with Arbitrary Sparse Support", in Proc. IEEE Int. Symp. Inf. Theory (ISIT), Hong Kong, 2015.

 

  • • Xu Chen and Dongning Guo, "Gaussian Many-Access Channels with Random Transmitter Activities", in Proc. IEEE Int. Symp. Inf. Theory (ISIT), Honolulu, HI, 2014

 

  • • Tsung-yi Chen, Xu Chen and Dongning Guo, "Many-Broadcast Channels: Definition and Capacity for the Degraded Case", in Proc. IEEE Int. Symp. Inf. Theory (ISIT), Honolulu, HI, 2014.

 

  • • Xu Chen and Dongning Guo, "Gaussian Many-Access Channels: Definition and Symmetric Capacity", in Proc. Information Theory Workshop (ITW), Seville, Spain, 2013.

 

  • • Xu Chen, Dongning Guo, and John Grosspietsch, "Public Safety Wireless Networks: A Novel Architecture with Stationary and Mobile Base Stations", in Proc. IEEE International Conference on Communications (ICC), Budapest, Hungary, 2013.

 

  • • Yue Zhao, Xu Chen, Chiu Wing Sham, Wai M. Tam and Francis C.M. Lau, "Efficient Decoding of QC-LDPC Codes Using GPUs", 11th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP 2011).

 

  Patents

 

  • • C. W. Sham, Xu Chen, W. M. Tam, Yue Zhao, Francis Lau and Fan Yu, Efficient RAM-Based Pipelined Decoder Architecture for Quasi-Cyclic Low-Density Parity-Check Codes, International patent filed, International Application No. PCT/CN2011/077678, Filing Date: 27.07.2011, Publication No.: WO2012106937 A1, Publication Date 16.08.2012.
  • • Xu Chen, C. W. Sham, W. M. Tam, Yue Zhao, and Francis Lau, A 2.0 Gb/s High Throughput Decoder for Protograph-based LDPC Covolutional Codes, US patent filed, US Patent No.: 8671323 B2, Filing Date: 10.02.2012, Publication Date: 11.03.2014.