M.Sc. Qi Liao

Contact:

Room: G004 Telephone: +49(0)30-31002-869 Email: qi.liao@hhi.fraunhofer.de

Research interests:

• Distributed optimization and protocol design
• Utility optimization in queuing networks under stability constraints
• Performance and optimization of multiple access protocols
• Routing, scheduling, congestion control and dynamic load balancing in cellular and ad hoc networks
• Self-organizing networks
• Machine learning for network state detection and optimization
• Multi-agent system

Projects:

• "SelfxRAN" Radio Network Self-Management
• "RelaySON" Self Organized Networks with Relay based Network Elements
• "CARMOVENET" Context-Aware Seamless Mobility Support for Vehicles in Wireless Cellular Networks

Theses:

“A Cross Layer Approach to Optimal Congestion Control, Routing and Resource Allocation in Mobile Ad-Hoc Networks”

Publications:

Journal Papers

• Measurement-Adaptive Cellular Random Access Protocols
  A. Giovanidis, Q. Liao, and S. Stanczak, Wireless Networks, Springer, 2012, submitted.

Conference, Symposium, and Workshop Papers

• Context-Aware Handover Optimization for Relay-Aided Vehicular Terminals
  Q. Liao, F. Penna, S. Stanczak, Z. Ren, and P. Fertl, The IEEE 14th Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Darmstadt, Germany, June 2013.
• A Statistical Algorithm for Multi-Objective Handover Optimization Under Uncertainties
  Q. Liao, S. Stanczak, and F. Penna, 2013 IEEE Wireless Communications and Networking Conference (WCNC'13), Shanghai, China, Apr. 2013, accepted.
• Street-Specific Handover Optimization for Vehicular Terminals in Future Cellular Networks
  Z. Ren, P. Fertl, Q. Liao, F. Penna, and S. Stanczak, Proc. IEEE VTC-Spring 2013 - Workshop on Mobile and Wireless Communication Systems for 2020 and beyond, Dresden, Germany, June 2013.
• Toward Cell Outage Detection with Composite Hypothesis Testing
  Q. Liao, M. Wiczanowski, and S. Stanczak, 2012 IEEE International Conference on Communications (ICC), Ottawa, Canada, 2012.
• A Distributed Interference-aware Load balancing Algorithm for LTE Multi-Cell Networks
  A. Giovanidis, Q. Liao, and S. Stanczak, Proc. 16th International ITG Workshop on Smart Antennas (WSA '12), Dresden, Germany, 2012.
• A Virtual Soft Handover Method Based on Base Station Cooperation with Fountain Codes
  Q. Liao, M. Kaliszan, and S. Stanczak, 17th European Wireless Conference, Vienna, Apr. 2011.