A. Omar, M. Hussein, I. Rajmohan, and K. Bathich, “Dual-band MIMO coplanar waveguide-fed-slot antenna for 5G communications,” Heliyon, vol. 7, issue 4, paper no. e06779 , Apr. 2021

 

K. Bathich, and G. Boeck, “Design and analysis of asymmetrical 80-W Doherty amplifier,” International Journal on Microwave and Wireless Technologies, Cambridge University Press, vol. 7, no. 1, pp. 13-18, Feb. 2015

 

K. Bathich, M. T. Arnous, and G. Boeck, “Design of 200 W wideband harmonically-tuned GaN Doherty power amplifier,” Proceedings of the 43rd European Microwave Conference, pp. 416-419, Nuremberg, Germany, Oct. 2013

 

M. T. Arnous, A. Wiens, S. Preis, H. Maune, K. Bathich, M. Nikfalazar, R. Jakoby, and G. Boeck, “Load-modulated GaN power amplifier implementing tunable thick film BST components,” Proceedings of the 43rd European Microwave Conference, pp. 416-419, Nuremberg, Germany, Oct. 2013


M. T. Arnous, K. Bathich, S. Preis, and G. Boeck, “Harmonically-tuned octave bandwidth 200 W GaN power amplifier,” Proceedings of the 43rd European Microwave Conference, Nuremberg, Germany, Oct. 2013


K. Bathich, Ahmed Sayed, and G. Boeck, “High power uneven GaN Doherty amplifier for UMTS radio base stations,” Advances in Microwave and Wireless Technologies, vol. 1, pp. 1-3, May 2013

 

M. T. Arnous, K. Bathich, S. Preis, and G. Boeck, “GaN power amplifier using tunable thick film BST components,” Proceedings of the 42nd European Microwave Conference, Amsterdam, Holland, Oct. 2012, pp. 429-432


M. T. Arnous, K. Bathich, S. Preis, D. Gruner, and G. Boeck, “Highly efficient high power octave bandwidth GaN HEMT amplifier,” Proceedings of the International Conference on Microwaves, Radar and Wireless Communications MIKON, 2012

 

K. Bathich, and G. Boeck, “Wideband harmonically-tuned GaN Doherty power amplifier,” IEEE MTT-S International Microwave Symposium (IMS) Digest, paper no. 1391, Montreal, Canada, Jun. 2012


K. Bathich, D. Gruner, and G. Boeck, “Analysis and design of dual-band GaN HEMT based Doherty amplifier,” Proceedings of the 41st European Microwave Conference, Manchester, England, Oct. 2011, pp. 248-251


K. Bathich, A. Z. Markos, and G. Boeck, “Frequency response analysis and bandwidth extension of the Doherty amplifier,” IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 4, Apr. 2011, pp. 934-944


D. Gruner, K. Bathich, A. Al Tanany, and G. Boeck, “Harmonically tuned GaN-HEMT Doherty power amplifier for 6 GHz applications,” Proceedings of the 41st European Microwave Conference, Manchester, England, Oct. 2011, pp. 112-115


A. Z. Markos, K. Bathich, D. Gruner, A. Al Tanany, and G. Boeck, “Design of a 120 W balanced GaN Doherty power amplifier,” Proceedings of the German Microwave Conference GeMiC 2011, Darmstadt, Germany, Mar. 2011, paper M3-1


A. Al Tanany, D. Gruner, F. Goelden, K. Bathich, R. Kahl and G. Boeck, “Efficiency improvement for RF power amplifiers by employing harmonic injection at the input,” Proceedings of the German Microwave Conference GeMiC 2011, Darmstadt, Germany, Mar. 2011, paper M3-3

D. Gruner, K. Bathich, A. Al Tanany, and G. Boeck, “Methoden der Effizienzverbesserung insbesondere bei Breit- und Multiband-Leistungsverstärkern,” Smart-RF Workshop, Berlin, Germany, Feb. 2011

A. Z. Markos, K. Bathich, F. Gölden and G. Boeck, “A 50 W unsymmetrical GaN Doherty amplifier for LTE applications,” Proceedings of the 40th European Microwave Conference 2010, Paris, France, Sep. 2010, pp. 994-997

 

K. Bathich, A. Z. Markos, and G. Boeck, “A wideband GaN Doherty amplifier with 35% fractional bandwidth,” Proceedings of the 40th European Microwave Conference 2010, Paris, France, Sep. 2010, pp. 1006-1009


A. Z. Markos, D. Gruner, K. Bathich, and G. Boeck, “A 2 W GaAs Doherty amplifier for 5.5-5.6 GHz applications,” Proceedings of the 18th International Conference on Microwave, Radar and Wireless Communications MIKON 2010, Jun. 2010, paper B5-5


A. Z. Markos, K. Bathich, and G. Boeck, “Design of high efficiency unsymmetrical GaN Doherty amplifiers,” Proceedings of the 11th annual IEEE Wireless and Microwave Technology Conference WAMICON 2010, Florida, USA, April 2010 (invited)

 

K. Bathich, A. Z. Markos, O. Bengtsson, and G. Boeck, “A 2 W GaAs Doherty power amplifier for WiMAX applications,” Proceedings of the German Microwave Conference GeMiC 2010, Berlin, Germany, Mar. 2010, pp. 170-173


H. Li, K. Bathich, O. Bengtsson, and Georg Boeck, “A Si LDMOS class AB power amplifier for UMTS LTE base stations,” Proceedings of the German Microwave Conference GeMiC 2010, Berlin, Germany, Mar. 2010, pp. 272-275


A. Z. Markos, K. Bathich, D. Gruner, O. Bengtsson, and Georg Boeck, “A 4W GaN power amplifier for C-band application,” Proceedings of the German Microwave Conference GeMiC 2010, Berlin, Germany, Mar. 2010, pp. 118-121

 

K. Bathich, H. Portela, and G. Boeck, “A high efficiency Si LDMOS Doherty power amplifier with optimized linearity,” Proceedings of the IEEE/SBMO International Microwave and Optoelectronics Conference IMOC, Brazil, Nov. 2009, pp. 33-36


K. Bathich, A. Sayed, and G. Boeck, “A 6W uneven LDMOS Doherty power amplifier with high efficiency for GSM900 base stations,” Proceedings of the German Microwave Conference (GeMiC), Munich, Germany, Mar. 2009, pp. 3A-03

 

K. Bathich, V. Subramanian, A. Sayed, and G. Boeck, “A 2 GHz, 85W uneven GaN Doherty power Amplifier,” Proceedings of the Asia-Pacific Microwave Conference (APMC2008), Hong Kong, Dec. 2008, pp. C3-08

 

G. Boeck, K. Bathich, and A. Al Tanany, “Integrated power amplifiers,” Semiconductor Conference (SCD), Dresden, Germany, Apr. 2008 (invited)

WO 002016202773 A1: Khaled Bathich*, Helmut Nast*, Raimo Jacobi*, Juergen Spehl+, 'Method and apparatus for transmitting signals with transmitting activity detection', *Laird Technologies, Dabendorf Germany, +AUDI AG, Ingolstadt, Germany, Sep. 2019

 

US 020190267955 A1: Khaled Bathich, Marcus Weigelt, Raimo Jacobi, 'Method and a device for detecting oscillation and signal coupling device', Laird Technologies, Dabendorf Germany, Feb. 2019