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Klaus Doppler
Member of Research Staff
Helsinki
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Currently I am in the Optimized Local Access group in the cognitive radio focus area at NRC Helsinki Lab. I joined NRC in 2002 and I have been working in radio related research since then. Last year I received a Nokia Inventor of the Year award with 19 patentable inventions in the years 2007 and 2008. In recent years I have been leading and contributing to research activities on the design and integration of novel radio concepts into cellular systems, including device-to-device communication, (cooperative) relaying and multiband operation. Next to my work at NRC I have been involved in two European research projects. I have been the proof-of-concept subtask leader within the relaying task of WINNER II and I have been leading the device-to-device communication and network coding task within WINNER+. I received my Dipl. Ing. in Electrical Engineering from Graz University of Technology, Austria, in 2003 and I plan to finish my Ph.D. studies at Helsinki University of Technology, Department of Signal Processing and Acoustics soon.

 

Research Interests

I am generally interested in novel radio concepts and its integration into cellular systems. In particular I am interested in

  • Cognitive radio
  • Flexible spectrum usage 
  • Radio resource management
  • MIMO techniques
  • Signal processing
  • Local area networks
  • Supporting business models

and I am familiar with a diverse set of radio standards, including LTE, WiMAX, GSM/EDGE, W-CDMA, WLAN and Bluetooth.

 

Publications

Yu C.H., Tirkkonen O., Doppler K., Ribeiro C., “Power optimization of device-to-device communication underlaying cellular communication”, accepted at IEEE International Conference on Communications (ICC), June 2009

Yu C.H., Tirkkonen O., Doppler K., Ribeiro C., “On the performance of Device-to-Device underlay communication with simple power control”,  IEEE Vehicular Techonlogy Conference (VTC) Spring 2009, April 2009

Jänis P., Yu C.H., Doppler K., et.al., “Device-to-Device communication underlaying cellular communications systems, accepted for publication at International Journal of Communications, Network and System Sciences

Doppler K., Rinne M.P., Jänis P., et.al, “Device-to-Device communications; functional prospects for LTE-Advanced networks, accepted at Internation workshop on LTE evolution at IEEE International Conference on Communications (ICC), June 2009

Jänis P., Koivunen V., Ribeiro C., et.al, “Interference-aware resource allocation for device-to-device radio underlaying cellular networks”, IEEE Vehicular Technology Conference (VTC), April 2009

Doppler K., Wijting C., Valkealahti K. “Interference Aware Scheduling for Soft Frequency Reuse”, IEEE Vehicular Technology Conference (VTC), April 2009

Doppler K., Redana S., Wodczak M., Rost P., “Dynamic resource assignment and cooperative relaying for relay networks: Concept and performance assessment”, submitted to EURASIP Journal on Wireless Communications

Wijting C., Doppler K., Kalliojärvi K., et.al. “Key Technologies for IMT-Advanced Mobile Communication Systems”, accepted for publication at IEEE Wireless Communications Magazine

Walke B., Doppler K., R. Pabst, D Schulz, Redana S. “Layer 2 Relays for IMT-Advanced Cellular Networks”, to appear in WINNER book published by Wiley

Wijting C., Doppler K., Kalliojärvi K., et.al. “WINNER II System Concept: Advanced Radio Technologies for Future Wireless Systems”, ICT Mobile Summit, June 2008

Doppler K., Wijting C., Valkealahti K. “On the Benefits of Relays in a Metropolitan Area Network”, IEEE Vehicular Technology Conference (VTC), May 2008

Doppler K., Wijting C., Henttonen T., Valkealahti K. “Multi-Band Scheduler for Future Communication Systems”, International Journal of Communications, Network and System Sciences, Vol. 1, Feb. 2008

Doppler K., Wijting C., Kermoal J.P. “Multi-Band Scheduler for Future Communication Systems”, Wireless Communications, Networking and Mobile Computing (WiCOM), Sept. 2007

Doppler K., Osseiran A., Wodczak M., Rost P. “On the Integration of Cooperative Relaying into the WINNER System Concept”, IST Mobile and Wireless Communications Summit, July 2007

Doppler K., Xiaoben He, Wijting C., Sorri A. “Adaptive Soft Reuse for Relay Enhanced Cells”, IEEE Vehicular Technology Conference (VTC), April 2007 
Doppler K., Hottinen A., “Multi-Antenna Relay Nodes in OFDM Systems”, IEEE International Symposium on Wireless Communication Systems (ISWCS), Sep. 2006

Riihonen T., Doppler K., Hottinen A., “Performance of Spatially Separated Large Interference Relay Networks”, IEEE International Zürich Seminar of Communications, Feb. 2006

Doppler K., Hottinen A., “Integration of Amplify and Forward Relays in an OFDM Network”, 39th Asilomar Conference on Signals, Systems and Computers, Oct. 30 – Nov. 2, 2005

Doppler K., "Evaluation of Downlink Beamforming and Transmission Polarization Adaptation Using a GSM Smart Antenna Demonstrator", MSc. Thesis, Graz University of Technology, Jan. 2003

 
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