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Yang, K., Hoang, M. Ha, Bao, X. L., McEvoy, P., and Ammann, M. J.,
“A Dual-Stub Ka-Band Vivaldi Antenna with Integrated Bandpass Filter”,
IET Microwaves, Antennas & Propagation, vol. 12, no. 5, pp. 668–671, 2018.
Bao, X. L. and Ammann, M. J.,
“Dual-Frequency Dual-Circularly-Polarized Printed Slot Antenna”, in
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2011.
Narbudowicz, A., Bao, X. L., and Ammann, M. J.,
“Dual-band Omnidirectional Circularly Polarized Antenna”,
IEEE Transactions on Antennas & Propagation, vol. 61, no. 1, pp. 77-83, 2013.
Bao, X. L. and Ammann, M. J.,
“Dual-band GPS Patch Antenna based on Dual-band Fractal EBG Technique”, in
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2006, pp. 53-56.
Narbudowicz, A., Bao, X. L., and Ammann, M. J.,
“Dual Circularly-polarized Patch Antenna Using Even and Odd Feed-line Modes”,
IEEE Transactions on Antennas & Propagation, vol. 61, no. 9, pp. 4828-4831, 2013.
Bao, X. L. and Zhang, W. X.,
“The Dispersion Characteristics Of PBG With Complex Medium By Using Non-Yee Grid Higher Order FDTD Method”, in
IEEE AP-S International Symposium on Antennas and Propagation, Columbus, Ohio, USA, 2003, vol. 2, pp. 1128-1131.
Bao, X. L., Ruvio, G., and Ammann, M. J.,
“Directional Dual-Band Slot Antenna with Dual-Bandgap High-Impedance-Surface Reflector”,
Progress In Electromagnetics Research, vol. C, no. 9, pp. 1-11, 2009.
Bao, X. L., Yang, K., O’Conchubhair, O., and Ammann, M. J.,
“Differentially-fed Omnidirectional Circularly Polarized Patch Antenna for RF Energy Harvesting”, in
European Conference on Antennas and Propagation - EuCAP, Davos, Switzerland, 2016.
Bao, X. L. and Ammann, M. J.,
“Design of Compact Multi-Band EBG Structures”, in
European Conference on Antennas and Propagation - EuCAP, Edinburgh, United Kingdom, 2007, p. TuPA.042.
Bao, X. L. and Ammann, M. J.,
“Design of Compact Annular-Ring Patch Antennas for Circular Polarization”, in
China Ireland International Conference on Information & Communication Technologies, Maynooth, Ireland, 2009, pp. 11-15.
Bao, X. L., Shynu, S. V., and Ammann, M. J.,
“Design of a Tunable Compact Antenna for Digital Video Broadcasting Handheld Terminals”, in
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2009, pp. 461-464.
Narbudowicz, A., John, M., Sipal, V., Bao, X. L., and Ammann, M. J.,
“Design Method for Wideband Circularly Polarized Slot Antennas”,
IEEE Transactions on Antennas & Propagation, vol. 63, no. 10, pp. 4271 - 4279, 2015.