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Bao, X. L., Ruvio, G., and Ammann, M. J.,
“The use of Electromagnetic Bandgap Structures to Enhance Circularly Polarized Annular-Ring Patch Antenna Performance”, in
Royal Irish Academy Colloquium on Physical Layer Wireless Communications, Dublin, Ireland, 2006.
Bao, X. L., Li, Z. F., and Sun, X. W.,
“Calculation of the Effective Permittivity Approximate In the Difference Grid Based on a Simple Method”, in
Cross Strait Tri-Regional Radio Science and Wireless Technology Conference, Qualin, China, 2003, pp. 77-80.
Bao, X. L., Ammann, M. J., Ruvio, G., and John, M.,
“High Performance Circularly Polarized Antenna Based on the Fractal EBG Structure”, in
IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, White Plains, NY, USA, 2006, pp. 257-260.
Bao, X. L., Li, Z. F., and Sun, X. W.,
“A New FDTD Scheme Analysis of the Characteristics of the Magnetic-Anisotropic EBG Structure”,
International Journal of RF and Microwave Computed-Aided Engineering, vol. 15, no. 3, pp. 317-324, 2005.
Bao, X. L., Zhang, W. X., and Li, L. W.,
“FDTD Formulation For Bi-Anisotropic Medium”, in
IEEE AP-S International Symposium on Antennas and Propagation, Boston, Massachusetts, USA, 2001, vol. 1, pp. 52-55.
Bao, X. L., Ruvio, G., and Ammann, M. J.,
“A Circularly Polarized Annular-ring Patch Antenna with a Groundplane EBG Annular-slot Array”,
International Journal of Microwave and Optical Technology, vol. 3, no. 2, pp. 69-75, 2008.
Bao, X. L., Zhang, W. X., Zheng, L. G., and Li, L. W.,
“Analysis of Dispersion Characteristics In 2-D Dielectric PBG Structure Using FDTD Method”,
Journal of Applied Sciences, vol. 21, no. 3, pp. 236-240, 2003.
Bao, X. L. and Ammann, M. J.,
“Dual-Frequency Dual-Circularly-Polarized Printed Slot Antenna”, in
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2011.
Bao, X. L. and Ammann, M. J.,
“A Printed Dipole Antenna For Circular Polarization”, in
European Conference on Antennas and Propagation - EuCAP, Berlin, Germany, 2009, pp. 2367-2370.
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. and Ammann, M. J.,
“Printed Band-Reject UWB Antenna with H-Shaped Slot”, in
IEEE International Workshop on Antenna Technology: Small and Smart Antennas, Metamaterials and Applications, Cambridge, UK, 2007, pp. 319-322.
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. 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.