Weiyu Xu

(319) 335-5955
4016 Seamans Center for the Engineering Arts and Sciences
Joined the College of Engineering: 
Ph.D., Electrical Engineering, California Institute of Technology, 2009
M.S., Electrical Engineering, California Institute of Technology, 2006
M.S., Electronic Engineering, Tsinghua University, 2005
B.E., Information Engineering, Beijing University of Posts and Telecommunications, 2002
Special Fields of Knowledge: 
Compressive sensing; information and coding theory; signal processing; networks; optimization.
Present Research Interests: 
Optimization and algorithms: design, analysis and applications; complex network dynamics, network tomography; comressive sensing and matrix rank minimization; high-dimensional gemoetry, with applications in signal processing; optimal or near-optimal signal processing for MIMO wireless systems, resource allocations and wireless communications and network
Selected Publications: 
  • W. Xu and B. Hassibi, "Precise Stability Phase Transitions for L1 Minimization: A Unified Geometric Framework," IEEE Transactions on Information Theory, vol.57, no.10, pp.6894-6919, Oct. 2011.
  • W. Xu and B. Hassibi, "Efficient Compressive Sensing with Deterministic Guarantees Using Expander Graphs," Proceedings of IEEE Information Theory Workshop 2007, Lake Tahoe, September, 2007 (journal version in IEEE Transactions on Information Theory).
  • W. Xu, E. Mallada and A. Tang, "Compressive Sensing over Graphs," Proceedings of IEEE INFOCOM 2011. (15.9% acceptance ratio)
  • W. Xu and A. Tang, "A Generalized Coupon Collector Problem," Journal of Applied Probability, 48(4):1081-1094, December 2011.
  • M. Wang, W. Xu, E. Mallada and A. Tang, "Sparse Recovery with Graph Constraints: Fundamental Limits and Measurement Construction," to appear in IEEE INFOCOM 2012. (17% acceptance ratio)