Publications of Dr. Ralf Leberer

1. Wolfang Menzel, Dietmar Pilz, Ralf Leberer:
   "A 77 GHz FM/CW radar frontend with a low-profile, low-loss printed antenna",
   IEEE Int. Microwave Symp. MTT-S, Anaheim, 1999, pp. 1485 - 1488.
   
   
2. Wolfgang Menzel, Dietmar Pilz, Ralf Leberer:
   "A 77 GHz FM/CW radar front-end with a low-profile, low-loss printed antenna"
   IEEE Trans. on Microw. Theory Tech., Vol. MTT-47, No. 12 (Dec. 1999), pp. 2237 - 2241.
   
   
3. Ralf Leberer, Wolfgang Menzel:
   "A novel mm-wave dual reflector antenna with omnidirectional radiation pattern",
   JINA 2002, Nov. 2002, Nice, France, Volume 1, pp. 419 -422.
   
   
4. Wolfgang Menzel, Maysoun Al-Tikriti, Ralf Leberer:
   "Low-profile folded reflectarray antennas for communication applications (invited)",
   European Workshop on INTEGRATED RADIO COMMUNICATION SYSTEMS. May 6 - 7, 2002, Chateau de Pignerolles, Angers, France.
   
   
5. Wolfgang Menzel, Maysoun Al-Tikriti, Ralf Leberer:
   "A 76 GHz multiple-beam planar reflector antenna",
   European Microw. Conf., Milano, Italy, Sept. 2002, pp. 977 - 980 (Vol. III).
   
   
6. Wolfgang Menzel, Maysoun Al-Tikriti, Ralf Leberer:
   "Compact Folded MM-Wave Reflectarray Antennas",
   3rd ESA Workshop on Millimetre Wave technology and Application, May 21 - 23, 2003, Espoo, Finland, pp. 101-106
   
   
7. Wolfgang Menzel, Ralf Leberer, Maysoun Al-Tikriti:
   "Millimeterwellen-Antennen auf der Basis planarer Reflektoren",
   EEEfCOM 2003 Workshop, Ulm.
   
   
8. Ralf Leberer, Wolfgang Menzel:
   "Folded Millimeter-Wave Shaped-Beam Reflectarrays",
   Topical Symposium on Millimeter waves (TSMMW) 2004, Yokusuka, Japan, 26.-27.3.2004, pp. 93-97
   
   
9. J. Agustin Zornoza , Ralf Leberer, M. Moraga, J. A. Encinar and Wolfgang Menzel:
   "A folded 3-layer printed reflectarray with shaped pattern for LMDs central station sectored antenna",
   IEEE Int. Symp. on Antennas and Propagation, Monterey, USA, July 2004, Vol. 1, pp. 5 - 8
   
   
10. Ralf Leberer, Ezio Perrone, Wolfgang Menzel:
    "Millimeter-wave folded lens antennas",
    JINA, November 2004, Nice, France
    
    
11. Ralf Leberer and Wolfgang Menzel:
    "A novel planar traveling wave antenna with omnidirectional radiation characteristics",
    JINA, November 2004, Nice, France
    
    
12. Wolfgang Menzel, Ralf Leberer, Matthias Wetz:
    "A simple four-beam scannable reflectarray antenna",
    Asia Pacific Microwave Conference, Delhi, India, 15.-18. Dec. 2004
    
    
13. Ralf Leberer and Wolfgang Menzel:
    "A Dual Planar Reflectarray with Synthesized Phase and Amplitude Distribution",
    IEEE Transactions on Antennas and Propagation 2005
    
    
14. J. Agustin Zornoza, Ralf Leberer, Jose A. Encinar and Wolfgang Menzel
    "Folded Multi-Layer Microstrip Reflectarray with Shaped Pattern",
    IEEE Transactions on Antennas and Propagation 2005
    
    
15. P. Schuh, R. Leberer, H. Sledzik, M. Oppermann, B. Adelseck, H. Brugger, R. Quay and M. Mikulla
    "Advanced High Power Ampli.er Chain for X-Band T/R-Modules based on GaN MMICs",
    European Microwave Week, Manchester 10.-15.9.2006
    
    
16. P. Schuh, R. Leberer, H. Sledzik, M. Oppermann, B. Adelseck, H. Brugger, R. Behtash, H. Leier, R. Quay and R. Kiefer
    "20W GaN HPAs for Next Generation X-Band T/R-Modules",
    International Microwave Symposium 2006, San Francisco, California
    
    
17. Menzel, Wolfgang; Leberer, Ralf;
    "Folded reflectarray antennas for shaped beam applications",
    First European Conference on Antennas and Propagation, 2006. EuCAP 2006.
    
    
18. P. Schuh, R. Leberer, H. Sledzik, D. Schmidt, M. Oppermann, B. Adelseck, H. Brugger, R. Quay, F. van Raay, M. Seelmann-Eggebert, R. Kiefer and W. Bronner
    "Linear broadband GaN MMICs for Ku-band Applications",
    International Microwave Symposium 2006, San Francisco, California
    
    
19. Schuh, P.; Sledzik, H.; Reber, R.; Fleckenstein, A.; Leberer, R.; Oppermann, M.; Quay, R.; van Raay, F.; Seelmann-Eggebert, M.; Kiefer, R.; Mikulla, M.;
    "GaN MMIC based T/R-Module Front-End for X-Band Applications",
    European Microwave Integrated Circuit Conference, 2008. EuMIC 2008.
    
    
20. Leberer, R.; Reber, R.; Oppermann, M.;
    "An AlGaN/GaN class-S amplifier for RF-communication signals",
    Microwave Symposium Digest, 2008 IEEE MTT-S International
    
    
21. Schmid, Ulf; Reber, Rolf; Chartier, Sebastien; Grabherr, Wilfried; Leberer, Ralf; Oppermann, Martin
    "Advances on GaN based switch mode amplifiers for communication applications",
    41st European Microwave Conference (EuMC), 2011