• Research
• Publications
• Teaching
• private Homepage

Research:

My current research focus is in the area of wireless communications, specifically dynamic spectrum access and cognitive radio technologies.
In conjunction with the BWRC, UC-Berkeley we designed CORVUS, a "COgnitive Radio approach for usage of Virtual Unlicensed Spectrum".
My main interests are in the area of control communication in wireless, cognitive networks.
From May 2005 to October 2007, I was a stipend of a graduate, interdisciplinary engineering research program called "Graduiertenkolleg". The group that consists of PhD students from the three major universities of Berlin (TU, HU and FU) focuses on stochastic modeling and analysis of large systems within different engineering disciplines. For more information visit the GK MAGSI homepage.
I am co-administrating and co-developing the Mobility Framework for OMNeT++ - a framework to simplify wireless and mobile simulations in OMNeT++. Currently, we are merging the Mobility Framework into MiXiM, a simulation framework developed in conjuction with the University of Paderborn and the TU Delft.
Last modified: Thu Feb 7 18:17:48 CET 2008

Teaching:

I am currently not involved in teaching.

private Homepage:

This link points to my private page and I am solely responsible its for the contents.

Publications:

Journal Papers and Book Chapters     related BIB-entry

• Daniel Willkomm, Sridhar Machiraju, Jean Bolot, and Adam Wolisz, "Primary User Behavior in Cellular Networks and Implications for Dynamic Spectrum Access", IEEE Communications Magazine, March 2009.
  (PDF)

• W. Hu, D. Willkomm, L. Chu, M. Abusubaih, J. Gross, G. Vlantis, M. Gerla, and A. Wolisz, "Dynamic Frequency Hopping Communities for Efficient IEEE 802.22 Operation", IEEE Communications Magazine, Special Issue: "Cognitive Radios for Dynamic Spectrum Access", vol. 45, no. 5, pp. 80-87, May 2007.
  (PDF)

Conference Proceedings     related BIB-entry

• Laura Marie Feeney and Daniel Willkomm, "Energy Framework: An extensible framework for simulating battery consumption in wireless networks", In Proceeding of the 3. International Workshop on OMNeT++, pp. 1-4, Malaga, Spain, March 2010.
  (PDF)

• Karl Wessel, Michael Swigulski, Andreas Köpke, and Daniel Willkomm, "MiXiM - The Physical Layer: An Architecture Overview", In Proceeding of the 2. International Workshop on OMNeT++, Rome, Italy, March 2009.
  (PDF)

• D.Willkomm, S.Machiraju, J.Bolot, and A.Wolisz, "Primary Users in Cellular Networks: A Large-scale Measurement Study", In Proc. of the 3rd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks, 2008 (DySPAN 2008), Chicago, IL, October 2008, Winner of best paper award.
  (PDF)

• Daniel Willkomm, Mathias Bohge, Dániel Hollós, James Gross, and Adam Wolisz, "Double Hopping: A new Approach for Dynamic Frequency Hopping in Cognitive Radio Networks", In Proceedings of the 19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2008 (PIMRC 2008),ISBN: 978-1-4244-2643-0, pp. 1-6, September 2008.
  (PDF)

• A.Köpke, M.Swigulski, K.Wessel, D.Willkomm, Peterpaul T. K. Haneveld, Tom E. V. Parker, Otto W. Visser, Hermann S. Lichte, and S. Valentin, "Simulating Wireless and Mobile Networks in OMNeT++ The MiXiM Vision", In Proceeding of the 1. International Workshop on OMNeT++, March 2008.
  (PDF)

• D. Willkomm, J. Gross, and A. Wolisz, "Reliable Link Maintenance in Cognitive Radio Systems", In Proc. of the IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2005), Baltimore (MD), November 2005.
  (PDF)

• S. M. Mishra, D. Cabric, C. Chang, D. Willkomm, B. van Schewick, A. Wolisz, and R. W. Brodersen, "A Real Time Cognitive Radio Testbed for Physical and Link Layer Experiments", In Proc. of the IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2005), Baltimore (MD), November 2005.
  (PDF)

• Danijela Cabric, Shidar Mubaraq Mishra, Daniel Willkomm, Robert W. Broderson, and Adam Wolisz, "A Cognitive Radio Approach for Usage of Virtual Unlicensed Spectrum", In Proc. of 14th IST Mobile Wireless Communications Summit 2005, Dresden, Germany, June 2005.
  (PDF)

Standardisation     related BIB-entry

• Liwen Chu, Wendong Hu, George Vlantis, James Gross, Murad Abusubaih, Daniel Willkomm, and Adam Wolisz, "Dynamic Frequency Hopping Community", doc. 22-06-0113, IEEE 802.22 Working Group, June 2006, Technical proposal submitted to IEEE 802.22 WG.
  (PDF)

Non-Referred Workshops     related BIB-entry

TKN Research Report Series     related BIB-entry

• Daniel Willkomm, "Spectrum Efficient QoS Support for Secondary Users in Cognitive Radio Systems", Technical Report TKN-09-008, Telecommunication Networks Group, Technische Universität Berlin, December 2009.
  (PDF)

• D. Willkomm, M. Bohge, D. Hollos, and J. Gross, "Double Hopping: A new Approach for Dynamic Frequency Hopping in Cognitive Radio Networks", Technical Report TKN-08-001, Telecommunication Networks Group, Technische Universität Berlin, January 2008.
  (PDF)

• D. Hollos, D. Willkomm, J. Gross, and W.Hu, "Centralized vs. Distributed Frequency Assignment in Frequency Hopping (Cognitive Radio) Cellular Networks", Technical Report TKN-07-007, Telecommunication Networks Group, Technische Universität Berlin, December 2007.
  (PDF)

Other Technical Reports by TKN Staff     related BIB-entry

Talks (without Proceedings)     related BIB-entry

• Daniel Willkomm, "Primary Users in Cellular Networks: A Large-Scale Measurement Study", ITG Fachgruppe 5.2.4 "Mobilität in IP-basierten Netzen", October 2009.
  (PDF)

• Michael Swigulski, Karl Wessel, and Daniel Willkomm, "MiXiM Simulating Wireless Networks in OMNeT++", TKN OMNeT++ Workshop, September 2009.
  (PDF)

Tutorials     related BIB-entry

Miscellaneous     related BIB-entry

• Robert W. Broderson, Adam Wolisz, Danijela Cabric, Shidar Mubaraq Mishra, and Daniel Willkomm, "CORVUS: A Cognitive Radio Approach for Usage of Virtual Unlicensed Spectrum", White Paper, 2004.
  (PDF)