Wei Wu

 

 

Dept. of Electrical & Computer Engineering
Engineering Science Building (ENS 309) 
The Univeristy of Texas at Austin, Austin TX 78712-1084
Tel: 1-512-689-7903

1801 Lake Shore Blvd., Apt#293, Austin, TX 78741
Email: wwu@ece.utexas.edu
http://www.ece.utexas.edu/~wwu

 

 

RESEARCH INTEREST

  • Ad hoc and sensor networks: information query, estimation, distributed control…
  • Stochastic control, Asymptotic analysis of Queues, Heavy Traffic Limit, Scheduling of Queues
  • Interaction between information theory, optimization, control theory and networking

EDUCATION

  • University of Texas at Austin, Austin, TX, USA
    Dept. of Electrical and Computer Engineering, 08/2002 - present
    Degree: Ph.D                       GPA: 4.0
  • Tsinghua University, Beijing, China
    Dept. of Electronic Engineering, 09/1999 - 07/2002
    Degree: M.S.                       GPA: 85/100
  • Tsinghua Univeristy, Beijing, China
    Dept. of Applied Physics, 09/1996 - 07/1999
    Degree: B.S.                        GPA: 88/100

 

EXPERIENCE

  • 06/2003-present, Research Assistant at WNCG, UT-Austin
  • 09/2002-05/2003, Teaching Assistant at Dept. of ECE, UT-Austin
  • 08/2001-07/2002, Research Assistant at Tsinghua-Nortel Network Architecture Lab, Network Research Center, Tsinghua University, China.
  • 09/1999-07/2002, Research Assistant at Complex Engineering System Lab, Dept. of Electronic Engineering, Tsinghua University, China.
  • 06/2000-09/2000, Summer Internship, Goldstar Corp., Beijing, China
  • 08/1998-06/1999, Research Assistant at Dept. of Applied Physics, Tsinghua University, China

PROJECTS

  • Capacity results of MAC channel with feedback and state variable: Gaussian and DMC
  • Capacity of Gaussian weak interference channel with degraded message sets
  • Optimal Kalman filtering with Observation Cost
  • Safety Control of Controlled Markov Processes: Non-Stationary Policy
  • Control in Time-varying channels under heavy traffic limit
  • Mobile Multicast in 3GPP/3GPP2 networks
  • Resource Management in wireless cellular networks using time-scale decomposition and user utility optimization
  • Stability and Responsiveness of TCP-friendly congestion control and Active Queue Management algorithms
  • A Proportional relative DiffServ Model and its CAC

PUBLICATION

  • Wei Wu, Ari Arapostathis, “Optimal Sensor Scheduling: General Markovian and LQG Models with Controlled Observations”, submitted to IEEE trans. on Automatic Control.
  • Wei Wu, Sriram Vishwanath, Ari Arapostathis, “Capacity of a Class of Cognitive Radio Channels: Interference Channels with Degraded Message Sets”, submitted to IEEE trans. on Information theory.
  • Wei Wu, Sriram Vishwanath, Ari Arapostathis, “On the Capacity of Multiple Access Channels with State Information and Feedback”, submitted to IEEE trans. on Information Theory.
  • Wei Wu, Ari Arapostathis, “Optimal Sensor Querying in Kalman filtering”, Proceedings of 44th Allerton conference on Commnications, Control and Computation, Sep., 2006.
  • Wei Wu, Kent Davey, Ari Arapostathis, “Dynamic Optimal Generation Scheduling of Shipboard Power Systems”, ESRDC controls workshop, Purdue University, West Lafayette, IN, Aug., 2006.
  • Wei Wu, Sriram Vishwanath, Ari Arapostathis, “Capacity of Gaussian Weak Interference Channels with Degraded Message Sets”, Proceedings of CISS 2006.
  • Wei Wu, Sriram Vishwanath, Ari Arapostathis, “Capacity results of Multi-access channel with noncausal state information and feedback”, Proceedings of ISIT 2006.
  • Wei Wu, Ari Arapostathis, Sanjay Shakkottai, “Optimal Power Allocation for a Time-Varying Channel under Heavy Traffic Approximation”, IEEE trans. on Automatic control, vol. 51, no. 4, pp. 580-594, April, 2006.
  • Wei Wu, Sriram Vishwanath, Ari Arapostathis, “Gaussian Interference Networks with Feedback: Duality, Sum capacity and Dynamic Team Problems”, Proceedings of 43rd Allerton conference on Communication, control and computation, 2005.
  • Wei Wu, Ari Arapostathis, “Optimal Control of Markovian Systems with Observations Cost:  Models and LQG controls”, Proceedings of American Control Conference 2005.
  • Sanjay Shakkottai, Wei Wu, Ari Arapostathis, “Wireless Scheduling in the Heavy-traffic Regime: An Ergodic Control Approach”, 6th SIAM conference on control and its applications, New Orleans, LA, June, 2005 (invited).
  • Wei Wu, Ari Arapostathis, Ratnesh Kumar, “On Non-Stationary Policies and Maximal Invariant Safe Sets of Controlled Markov Chains”, Proceedings of IEEE CDC 2004, Bahamas.
  • Wei Wu, Ari Arapostathis, Sanjay Shakkottai, “Optimal Power Allocation for a Wireless Channel under Heavy Traffic Approximation”, Proceedings of CISS’2004, Princeton, NJ.
  • Wei Wu, Hao Lin, Yong Ren, Xiuming Shan, "A Time-scale Decomposition Approach for Efficient Resource Utilization in Wireless Multimedia Networks",
    A short version of this paper is accepted by Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'2002), Orlando, Florida, USA, March 2002.
  • Wei Wu, Yong Ren, Xiuming Shan, "Providing Proportional Loss Rate and Loss Rate Bounds For Adaptive Traffic: A New Relative DiffServ Model", IEICE Transactions on Communications, no. 1, 2002.
    An earlier version of this paper is accepted by Proceedings of 2001 IEEE Workshop on High Performance Switching and Routing (HPSR'2001), Dallas USA, May 2001.
  • Wei Wu, Yong Ren, Xiuming Shan, "Analysis on Adjustment-based TCP-Friendly Congestion Control: Fairness and Stability", Proceedings of the 26th IEEE Conference on Local Computer Networks (LCN'2001), Tampa USA, Nov. 2001.
  • Wei Wu, Yong Ren, Xiuming Shan, "A Self-Configuring PI Controller for Active Queue Management", Proceedings of the 7th Asia-Pacific Communication Conference (APCC'2001), Tokyo Japan, Sep. 2001.
  • Wei Wu, Yong Ren, Xiuming Shan, "Modeling Dynamical Behaviors of AQM-TCP Joint System Using Markov Chains", Proceedings of the 7th Asia-Pacific Communication Conference (APCC'2001), Tokyo Japan, Sep. 2001.
  • Wei Wu, Yong Ren, Xiuming Shan," Stability Analysis on Active Queue Management Algorithms in Routers", Proceedings of Modeling and Simulations Conference of Telecommunication Systems (MASCOTS'2001), USA, Aug. 2001.
  • Wei Wu, Jian Yuan, Xiuming Shan and Yong Ren, "Exploring Collective Behaviors with Short-Range Correlation between Routers", Proceedings of ICCT of the 16th World Computer Congress, Beijing China, Aug. 2000.

ACTIVITIES

  • Conference Reviewer, IEEE Globecom 2006, CDC 2006, ACC 2006, ISIT 2005, CDC 2005, Globecom'2002, IEEE Infocom'2002, IEEE ICC'2002, ICII'2001
  • Journal Reviewer: IEEE trans on Automatic Control, JSAC, IEEE trans on Vehicular Technology, IEEE trans. on Wireless Communications, Automatica
  • Student member, IEEE

HONORS AND AWARDS

  • Hemphill-Gilmore Endowed Fellowship (as University Continuing Fellowship), 2006-2007
  • TxTEC Fellowship in UT-Austin, 2002, 2003
  • Best Graduate Student in Tsinghua University (1%), 2002
  • Best M.S. degree Thesis in Tsinghua University (3%), 2002 
  • Tsinghua University Scholarship, 2000
  • Best Graduate Honors of Tsinghua University in 1999
  • Beijing Tri-A Student Honor, 1998
  • First Class Fellowship of Tsinghua University, 1998
  • Fellowship of Academic Excellence (1%), Tsinghua University, 1997
  • Winner of the China-USA mathematics invitational contest in 1994, 1995
  • The first class Award in Chinese Mathematics Olympics, in 1993, 1994

COMPUTER SKILLS

  • Platforms:         Windows, Linux
  • Packages:         NS2, MATLAB
  • Language:         C, C++

HOBBIES

  • Tennis
  • Basketball