Dr.-Ing. Chan Zhou

Contact:

Email:

Chan.Zhou@hhi.fhg.de

Dauer der Mitarbeit:

bis 2009

Thema der Arbeit:

Conceptual Design for OFDM based Cellular Broadcast Systems

Research interests:

• Radio resource management and scheduling
• Cross layer design
• Wireless propagation and channel modeling
• Broadcast and Multiple-Access Channel

Main research:

• OFDM Scheduling
• HSDPA Concept for UMTS
• Feedback and control channel design
• Simulation Methodologies

Publications:

Journal Papers

• A Fundamental Characterization of Stability in Broadcast Queueing Systems
  C. Zhou and G. Wunder, submitted, 2009.
• Delay-Limited Transmission in OFDM Systems: Performance Bounds and Impact of System Parameters
  G. Wunder, T. Michel, and C. Zhou, submitted to IEEE Transactions on Wireless Communications, accepted, 2009.
• Queueing Analysis for the OFDMA Downlink: Throughput Regions, Delay and Exponential Backlog Bounds
  G. Wunder and C. Zhou, to appear in the IEEE Transactions on Wireless Communications, 2009.
• Multiuser OFDMA Optimization: Algorithms and Duality Gap Analysis
  G. Wunder, T. Michel, and C. Zhou, submitted, 2009.
• Throughput-optimal Scheduling with Low Average Delay for Cellular Broadcast Systems
  C. Zhou and G. Wunder, EURASIP Journal on Advances in Signal Processing, vol. special issue on Cross-Layer Design for the Physical,MAC, and Link Layer in Wireless Systems, 2008.
• Throughput maximization under rate requirements for LTE OFDMA Downlink with limited feedback
  G. Wunder, Z. Chan, S. Kaminski, and H. E. Bakker, EURASIP Journal on Wireless Commun. and Networking, special issue on multicarrier, Vol. 2008, special issue on multicarrier, editor: A. Svensson.

Conference, Symposium, and Workshop Papers

• A Fundamental Characterization of Stability in Broadcast Queueing Systems
  C. Zhou and G. Wunder, in Proc. of IEEE International Symposium on Information Theory (ISIT), Seoul, June 2009.
• General Stability Conditions in Wireless Broadcast Channels
  C. Zhou and G. Wunder, Forty-Sixth Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, Sept. 2008.
• Queuing Analysis for Multiuser Downlink Channel: Throughput Regions and Exponential Backlog Bounds
  G. Wunder and C. Zhou, Proc. of IEEE GLOBECOM Communication Conference, 2008.
• Utility Maximization for OFDMA systems over discrete sets
  C. Zhou, G. Wunder, and T. Michel, Proc. IEEE Int. Conf. on Communications (ICC), Glasgow, June 2007.
• A Novel Low Delay Scheduling Algorithm for OFDM Broadcast Channels
  C. Zhou and G. Wunder, IEEE GLOBECOM Communication Conference, Washington, Nov. 2007.
• A Generic OFDM Downlink Scheduling Policy Incorporating Service Induced Rate Constraints
  T. Michel, C. Zhou, and G. Wunder, 15th IST Mobile & Wireless Communications Summit, Myconos, Greece, June 2006.
• A Framework For Resource Allocation in OFDM Broadcast Systems
  G. Wunder, T. Michel, and C. Zhou, Proc. 14th European Signal Processing Conference (EUSIPCO), Sept. 2006, invited.
• Minimum Delay and Buffer Length Bounds for Stable OFDM Broadcast Systems
  G. Wunder, C. Zhou, and T. Michel, IEEE Int. Symposium on Information Theory and its Applications (ISITA), Seoul, Korea, 2006.
• Non-cooperative Scheduling for 3GPP LTE OFDM Downlink in Multi-cell Environment
  G. Wunder and C. Zhou, 11th International OFDM Workshop, Hamburg, Germany, Aug. 2006.
• Concept of an OFDM HSDPA Air Interface for UMTS Downlink
  G. Wunder, C. Zhou, S. Kaminski, and H. E. Bakker, 14th IST Mobile & Wireless Communication Summit, IST/IEEE, Dresden, June 2005.
• OFDM-HSDPA: Conceptual Approach, Simulation Methodology and Throughput Performance
  C. Zhou, G. Wunder, H.E.Bakker, and S.Kaminski, 10th International OFDM Workshop, Hamburg, Germany, Sept. 2005.
• Optimal OFDM downlink scheduling for UMTS HSDPA evolution
  G. Wunder and C. Zhou, Thirty-Eighth Annual Asilomar Conference on Signals, Systems, and Computers, Nov. 2004.
• Optimal Scheduling for the OFDM Multiuser Downlink Channel
  G. Wunder and C. Zhou, 9th International OFDM Workshop, Hamburg, Germany, Sept. 2004.
• Implementation of channel aware scheduling and bit-loading for the multiuser SIMO MAC in a real-time MIMO demonstration test-bed at high data rate
  T. Haustein, C. Zhou, A. Forck, H. Gäbler, C. v. Helmolt, V. Jungnickel, and U. Krüger, IEEE Vehicular Technology Conference (VTC-Fall 2004), Los Angeles, CA, 2004, pp. 1043-1047.