Junshan Zhang, Ph.D.
Professor
School of Electrical, Computer and Energy Engineering
Ira A. Fulton School of Engineering
Arizona State University
Tempe, AZ 85287-7206



Further Contact Information:
Office: GWC 411D
Phone: (480) 727-7389
Fax: (480) 965-8325
E-mail: FIRST name dot LAST name at ASU dot EDU
Please contact Karen Anderson at 480 965-5311 in case you could not reach me.
Brief Biography

[Opening for postdoctoral scholar on Information networks and Network Science ]

Current Research Interests:


My research interests fall in the general field of communication networks (particularly wireless ad-hoc networks and sensor networks), cyber-physical systems with applications to smart grid, stochastic modeling and optimization, and wireless communications. Together, these areas have a wide range of intellectual emphasis. I believe that to make great impact, engineering research should be application-driven and high-quality research should bridge theory and practice, and researchers should build a broad spectrum to follow the cutting-edge applications and meet the demands therein.

My research draws on a synergy of advanced mathematical tools to deliver practical network solutions. Recent research activities in our group include characterizing delay peformance of wireless networks via fluid analysis and heavy traffic diffussion approximation, using optimal stopping theory to devise PHY-aware distributed scheduling for ad-hoc networks, investigating the impact of noisy feedback on stochastic network utility maximization for QoS provisioning, joint MAC design and routing for MIMO ad-hoc networks, self-similarity of multi-access interference and resource allocation in wireless CDMA networks, throughput scaling and power allocation in ad-hoc/sensor networks, capacity bounds of MIMO relay channels, Large system analysis of CDMA networks, rate distortion theory, and a complex network view of ad-hoc/sensor networks. Notably, our research group is among the first few groups in two areas: 1) cross-layer optimization and 2) wireless relay networks; and our research results in these areas have been well received.

Traditionally, researchers in networking research and information theory investigate research problems using "different languages". The fast growing area of wireless networks (particularly network optimization and network information theory) serves as a nice bridge between these two communities. Since Fall 2000, we have carried out research on cross-layer optimization and control for different network models, including wireless cellular networks, ad-hoc networks and sensor networks. Given that cross-layer optimization was a relatively new open research area, I organized a panel on ``Defining cross-layer design in wireless networks'' at ICC 2003.
 

Online Report :

S. Murugesan, J. Zhang, and V. Vittal, "A Data-driven Spatio-temporal Approach based Markov Model for Wind Generation Forecast," to be presented at IEEE PES Conference on Innovative Smart Grid Technologies, 2012.

M. He, J. Zhang, and V. Vittal, "A Data Mining Framework for Online Dynamic Security Assessment: Decision Trees, Boosting, and Complexity Analysis," to be presented at IEEE PES Conference on Innovative Smart Grid Technologies, 2012.

O. Yagan, D. Qian, J. Zhang, and D. Cochran, "On Allocating Interconnecting Links against Cascading Failures in Cyber-Physical Network,'' NetSciCom 2011 (Workshop on Network Science for Communication Networks), INFOCOM 2011, April. 2011.

M. He, S. Murugesan, and J. Zhang, "Multiple Timescale Dispatch and Scheduling for Stochastic Reliability in Smart Grids with Wind Generation Integration," online supplement to our IEEE INFOCOM 2011 submission.[pdf]

Publication News:

Our INFOCOM paper "Distributed Opportunistic Scheduling with Two-Level Channel Probing," was selected as one of the two run-up papers for INFOCOM 2009 Best Paper Award

Our paper "Capacity Bounds and Power allocation in Wireless Relay Channel," in IT Transaction June 2005, has received more than 500 citations (based on Google Scholar)

Our paper "On the Capacity of MIMO Relay Channels," in IT Transaction Jan. 2005, has received more than 300 citations (based on Google Scholar)

Our paper "Output MAI Distributions of Linear MMSE Multiuser Receivers in DS-CDMA Systems," in IT Transaction March 2001, has received more than 170 citations (based on Google Scholar)

Our paper "Distributed Opportunistic Scheduling for Ad-Hoc Communications: An Optimal Stopping Approach," in Mobihoc 2007, has been profiled and by the Technical Insights division of Frost Sullivan, a global growth consulting firm [pdf]

Recent Research Projects

  • Channel aware distributed scheduling for ad-hoc networks ;
  • Stochatic Network utility maximization for QoS provisioning ;
  • Cooperative sensor networks ;
  • MIMO ad-hoc networks ;
  • Complex network view of ad-hoc/sensor networks ;
  • Self-similarity of multi-access interference and resource allocation in wireless CDMA networks ;
  • Large scale ad-hoc/sensor networks ;
  • capacity bounds of MIMO relay channels ;
  • Throughput scaling of wireless relay networks ;
  • Power allocation for wireless relay networks ;
  • Large system analysis of CDMA networks ;
  • Rate distortion theory .
Recent Invited Talks:

  • ``Distributed Opportunistic Scheduling for Ad-Hoc Communications: An Optimal Stopping Approach,'' ISS Seminar, Department of Electrical Engineering, Princeton University, June 2007.

  • ``Distributed Opportunistic Scheduling for Ad-Hoc Communications: An Optimal Stopping Approach,'' WINLAB, Rutgers University, June 2007.

  • "Fundamental Tradeoff between Channel Probing and Data Transmission in Wireless Ad-hoc/Sensor Networks," Coordinated Science Lab, Dept. of ECE, Univ. of Illinois at Urbana-Champaign, Feb. 2007.

  • "Distributed Network Utility Maximization in Multi-hop Wireless Networks: Noisy Feedback, Lossy Channel and Stability,'' Dept. of EECS, Univ. of Michigan, Ann Arbor, MI, Feb. 2007.

  • "Distributed Network Utility Maximization in Multi-hop Wireless Networks: Noisy Feedback, Lossy Channel and Stability," Dept. of ECE, Purdue Univ., West Lafayette, IN, Dec. 2006.

  • "Distributed Network Utility Maximization in Multi-hop Wireless Networks: Noisy Feedback, Lossy Channel and Stability,'' Dept. of ECE, Univ. of Maryland, College Park, Oct. 2006.

  • "Cross-Layer Rate Control in Multi-hop Networks," Dept. of ECE, Univ. of Utah, Salt Lake City, Sept. 2006.

  • "Energy Efficient Data Transport in Wireless Relay Networks: Cooperative Relaying, Scaling Laws, and Coalition-Aided Routing," Department of ECE, Syracuse University, June 2006.

  • "A Stochastic Primal-Dual Algorithm for Joint Flow Control and MAC Design in Multi-hop Wireless Networks," in Session on Optimization of Communication Networks, 40th Conference on Information Science and Systems (CISS), Princeton University, March 2006.

  • "Throughput Scaling in Wideband Sensory Relay Networks: Cooperative Relaying, Power Allocation and Scaling Laws," in MSRI Workshop on Mathematics of Relaying and Cooperation in Communication Networks, Mathematical Science Research Center, Berkeley, April 2006.


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