Welcome to the Xiang-Gen Xia's Home Page

• Who I am

  Charles Black Evans Professor
  Department of Electrical and Computer Engineering
  University of Delaware
  Newark, DE 19716
  
  

• Where I am

  Office: 311 Evans Hall
  Phone: (302)831-8038 (o); (302)454-0861 (h); (302)584-2076 (mobile)
  Fax: (302)831-4316 (o); (302)454-0861 (h)
  Email: xxia@ee.udel.edu and xianggen@gmail.com
  
  

• My Teaching

  
  

• My Current Research Interests

  
  

• My Research Projects

  
  

• My Book: Modulated Coding for Intersymbol Interference Channels, New York, Marcel Dekker, Oct. 2000. ----Modulated codes are convolutional codes defined on the complex field.----- This book summaries the author's pioneering research during 1995-1999 on filterbank precoding for ISI channels.

  
  

• Some of My Tutorials and Preprints

  • What's Next After OFDM? Vector OFDM

  • Topics on Modulations for 5G and Beyond

  • Next Generation SAR Imaging

  • Mathematics and Electrical Engineering

  • Vector Orthogonal Frequency-Division Multiplexing (VOFDM)

  • Robust Chinese Remainder Theorem , Signal Processing, vol. 150, pp. 248-258, Sept. 2018. https://doi.org/10.1016/j.sigpro.2018.04.022

  • This is how I think about compressive sensing and graph signal processing (in Chinese)

  • Small Data, Mid Data, Big Data vs. Algebra, Analysis, and Topology

  • A Simple Introduction to Free Probability Theory and Its Application to Random Matrices . Also available at arXiv:1902.10763v1 and at Mathematical Research with Reviews, Issue 2, Art. 22, 2019.

  • Why and how a Ph.D. student should be, brief introduction to University of Delaware, and key components in digital communications in the past

  • I would like to say something about sparse signal processing again (in Chinese)

  • This is how I think about information entropy (in Chinese)

  • Cross Terms (in Chinese) Cross Terms (in English), IEEE Signal Processing Magazine, vol. 37, no. 6, pp. 192-195, Nov. 2020.

  • This is how I think about basic research funding (in Chinese)

  • Why we are emphasizing on mathematics now (in Chinese)

  • Hard Core Problems (in Chinese)

  • Cannot Count on Math (in Chinese)

  • Vector Arithmetics (in Chinese)

  • My Experience in Physical Layer Communications

  • On BT-limited Signals

  • A Matrix-Valued Inner Product for Matrix-Valued Signals and Matrix-Valued Lattices

  • ε-Arithmetics for Real Vectors

    
    

• My Resume

  
  

• My Research Group

  
  

• My Selected Chinese Poems

  
  

• My Science Net Blog (in Chinese)

  
  

• My Family

  
  

• My Sons, Kevin and Lawrence

  
  
  

• Web Email System

  
  

• Looking for self-motivated graduate students working on space-time coding, MIMO and cooperative systems, and radar imaging. Students with math major are also encouraged to apply.