Research and Technical Staff

Biography & Publications

Robert Martens was born in Grevesmühlen, Germany in 1980. He received the Dipl.-Wirtsch.-Ing. degree in Electrical and Information Engineering and Business Management from the Christian-Albrechts-University of Kiel in 2009. Since July 2009, Robert Martens is working towards his PhD degree as a research and teaching assistant at the Chair of Wireless Communications, Christian-Albrechts-University of Kiel.


Research Interests, Working Projects and Reviewer Activities

 

Research Interests

  • MIMO - Antenna integration into Small Devices Based on the Theory of Characteristc Modes
  • Calculation of Characteristic Modes on Finite Conducting Surfaces
  • Reconfigurable Antennas Based on the Theory of Characteristc Modes
  • Feeding Networks for Selective Excitation of the Characteristic Modes on Small Terminals

 

Working Projects

  • DFG MA 4981/1-1: Integration of Multi-Antenna-Systems enabling MIMO on small Mobile Terminals based on the Theory of Characteristic Modes (link)
  • 01BU1123: Energy-efficient piezo-MEMS tunable RF front-end antenna systems for mobile devices (link)

 

Reviewer Activities

  • IEEE Transactions on Antennas and Propagation link
  • IEEE Antennas and Wireless Propagation Letters link
  • Radioengineering Journal link
  • Frequenz - Journal of RF-Engineering and Telecommunications link

 


Teaching

 

Supervision of the exercise "Grundgebiete der Elektrotechnik III" (WS 2009/10 2010/11)

Supervision of the exercise "Hochfrequenztechnik" (SS 2010/12)

Supervision of the exercise "Antenna Design" (SS 2010)

Supervision of the exercise "Communication Devices II: RF Communication" (SS 2010/11)

Schul AG "Bau einer WLAN-Antenne" (WS 2009/10)

Supervision of B. Sc. - Projects (SS 2010/11/12/13/14 WS 2012/13 2013/14 2014/15)

Supervision of the "Masterpraktikum: Mikrowellentechnik und EMV" (WS 2011/12 2012/13)

Supervision of students' theses

 


Publications, Workshops and Theses


Project Thesis

  • Robert Martens, „Vermarktungskonzept CELLO“ (engl.: „Marketing Concept CELLO“) at the chair of Entrepreneurship and Innovation Management for the ET&TE GmbH, CAU of Kiel, April 2007 (in German)

 

Diploma Thesis

  • Robert Martens, „Entwicklung und Aufbau dual polarisierter UWB-Antennen“ at the microwave group, CAU of Kiel, June 2009 (in German)

 

Publications in Journals and Letters

  1. Martens, R., Holopainen, J. , Safin, E., Ilvonen, J., and Manteuffel, D., "Optimal Dual-Antenna Design in a Small Terminal Multi-Antenna System," Antennas and Wireless Propagation Letters, IEEE , vol.12, no., pp.1700-1703, Dec. 2013.
  2. Martens, R. and Manteuffel, D. , "Systematic Design Method of a Mobile Multiple Antenna System Using the Theory of Characteristic Modes," IET Microwaves, Antennas & Propagation, Volume 8, Issue 12, 16. Sept. 2014, pp. 887 – 893.
  3. Chen, Y., Martens, R., Valkonen, R., and Manteuffel, D. , "Evaluation of Adaptive Impedance Tuning for Reducing the Form Factor of Handset Antennas", Antennas and Propagation, IEEE Transactions on. (accepted for publication)

 

Publications on Conferences

  1. H. Mextorf, R. Martens, F. Daschner, R. Knöchel, „Dual polarized UWB antenna for free-space characterization of dielectric objects,” GeMiC 2010 - German Microwave Conference 2010, pp. 162-165, Berlin, March 2010.
  2. R. Martens, D. Manteuffel, „Element Correlation of MIMO antennas on small terminals”, EuCAP 2010 - European Conference on Antennas & Propagation 2010, Barcelona, April 2010.
  3. D. Manteuffel, M. Grimm, R. Martens, ,,Optimization of UltraWideBand Bow-Tie Antennas for Cable based Operation," LAPC 2010 - Loughborough Antennas and Propagation Conference 2010 , Loughborough University, pp. 585-588, UK, November 2010.
  4. R. Martens, E. Safin, D. Manteuffel, „On the Relation between the Element Correlation of Antennas on Small Terminals and the Characteristic Modes of the Chassis," LAPC 2010 - Loughborough Antennas and Propagation Conference 2010, Loughborough University, pp. 457-460, UK, November 2010.
  5. D. Manteuffel, R. Martens, „A Concept for MIMO Antennas on Small Terminals Based on Characteristic Modes,” IWAT 2011 - International Workshop of Antenna Technology 2011, Hong Kong, March 2011.
  6. R. Martens, E. Safin, D. Manteuffel, „Selective Excitation of Characteristic Modes an Small Terminals”, EuCAP 2011 - European Conference on Antennas & Propagation 2011, Rom, April 2011.
  7. R. Martens, E. Safin, D. Manteuffel, „Inductive and Capacitive Excitation of the Characteristic Modes of Small Terminals," LAPC 2011 - Loughborough Antennas and Propagation Conference, Loughborough University, UK, November 2011.
  8. E. Safin, R. Martens, D. Manteuffel, „Modal Source Reconstruction Based on Radiated Far-Field for Antenna Design”, EuCAP 2012 - European Conference on Antennas & Propagation 2012, Prag, March 2012.
  9. R. Martens, D. Manteuffel, „A Feed Network for the Selective Excitation of Specific Characteristic Modes on Small Terminals", EuCAP 2012 - European Conference on Antennas & Propagation 2012, Prag, March 2012.
  10. R. Martens, D. Manteuffel, „2-Port Antenna Based on the Selective Excitation of Characteristic Modes", APS 2012 - IEEE International Symposium on Antennas and Propagation 2012, Chicago, July 2012.
  11. D. Manteuffel, R. Martens , "Multiple Antenna Integration in Small Terminals", In ISAP 2012 - International Symposium on Antennas and Propagation 2012, Oct/Nov, 2012.
  12. R. Martens,. Manteuffel, D., "Improved Radiation Pattern Measurements of MIMO Handheld Mobile Terminals", In Antennas and Propagation (EUCAP), 2013 7th European Conference on., April 2013.
  13. T. Hadamik, R. Martens, and D. Manteuffel, „Comparison of Two Matching Networks for a LTE2600 Handset Antenna," LAPC 2013 - Loughborough Antennas and Propagation Conference, Loughborough University, UK, November 2013.
  14. Chen, Y., Martens, R., Valkonen, R., and Manteuffel, D., "A Varactor-Based Tunable Matching Network for a Non-Resonant Mobile Terminal Antenna," in Antennas and Propagation (EUCAP), 2014 8th European Conference on., The Hague, The Netherlands, April 6-11, 2014, pp. 2225-2229.
  15. Martens, R. and Manteuffel, D. , "Mobile LTE-A Handset Antenna Using a Hybrid Coupling Element", Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE, Memphis, US, July 2014, pp. 1419-1420.
  16. Martens, R., Chen, Y., and Manteuffel, D., "Tunability Comparsion of a Capacitive Coupling Element and a Planar Inverted-F Antenna," LAPC 2014 - Loughborough Antennas and Propagation Conference, Loughborough University, UK, November 2014, pp. 667-668.
  17. Martens, R. and Manteuffel, D., "Optimal Placement of PCB-integrated Diversity Elements in a Compact Tunable Handset Antenna," in Antennas and Propagation (EUCAP), 2015 9th European Conference on., Lisbon, Portugal, April 2015. (accepted for publication)
  18. Hadamik, T., Martens, R. and Manteuffel, D., "A Design Concept for Massive MIMO Indoor Base Stations using the Theory of Characteristic Modes," in Antennas and Propagation (EUCAP), 2015 9th European Conference on., Lisbon, Portugal, April 2015. (accepted for publication)

 

Publications in Workshops

  1. Martens, R. and Manteuffel, D. , "3-Port MIMO Antenna based on the Selective Excitation of Characteristic Modes on Small Terminals", COST IC1102, 2. WG Meeting & Technical Workshop 2012. Istanbul, September, 2012.
  2. Safin, E., Martens, R., Capek M., Eichler, J., Hazdra, P., Manteuffel, D., and Mazanek M., "Discussion and Evaluation of Modal and Radiation Q-Factors for MIMO Antennas Based on Theory of Characteristic Modes", COST IC1102, 3. WG Meeting & Technical Workshop 2012, Thessaloniki, June, 2013.
  3. Martens, R., Holopainen, J. , Safin, E., Manteuffel, D., and Icheln, C. , "Small Terminal Multi-Antenna System Based on Two Different Types of Non-Resonant Coupling Elements", COST IC1102, 4. WG Meeting & Technical Workshop 2013, Ghent, Sept. 2013.
  4. Martens, R., Manteuffel, D., and Höher, P. A. , "Ultra Wideband Communications based on Massive MIMO and Multi-mode Antennas Suitable for Handheld Devices - A Project Outlock", Workshop Proceedings of the 43. European Microwave Conference, "Ultra High Speed Wireless Communications: Approaches and Ideas to Achieve Wireless 100Gb/s Communication", EuMW 2013, Nuremberg, Oct. 2013.
  5. Metzger. T, Ebefors, T., Pudas, M., Haapalinna, A., Martens, R., Lisec, T., „RF Solutions for Future Generation Mobile Phones," European Nanoelectronics Forum, Barcelona, November 2013.
  6. T. Hadamik, R. Martens, and D. Manteuffel, „Systematic Broadband Multiport Antenna Design based on a Characteristic Mode Analysis," COST IC1102, 6. WG Meeting & Technical Workshop 2014, Madrid, October 2014.