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Journal Article

Bao, X. L. and Ammann, M. J., “Wideband Dual-Frequency Dual-Polarized Dipole-Like Antenna”, IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 831-834, 2011.

Bao, X. L., Zhang, W. X., and Li, L. W., “Study on the Dispersion Characteristics of PBG Structure Consisting of Anisotropic Medium By Using PSTD Method”, Acta Electronica Sinica, vol. 65, no. 12, pp. 345-349, 2003.

Bao, X. L., Zhang, W. X., and Li, L. W., “Study on the Bandgap Characteristics of Complex Material PBG Structure By Using Non-Yee Grid Higher Order FDTD Method”, Chinese Journal of Radio Science, vol. 18, no. 4, pp. 353-358, 2003.

Bao, X. L. and Ammann, M. J., “Small Patch/Slot Antenna with 53% Input Impedance Bandwidth”, Electronics Letters, vol. 43, no. 3, pp. 146-148, 2007.

Panahi, A., Bao, X. L., Yang, K., O’Conchubhair, O., and Ammann, M. J., “A Simple Polarization Reconfigurable Printed Monopole Antenna”, IEEE Transactions on Antennas & Propagation, vol. 63, no. 11, pp. 5129 - 5134, 2015.

Ruvio, G., Ammann, M. J., and Bao, X. L., “Radial EBG Cell Layout for GPS Patch Antennas”, Electronics Letters, vol. 45, no. 13, pp. 663-664, 2009.

Bao, X. L. and Ammann, M. J., “Printed UWB Antenna with Coupled Slotted Element for Notch-frequency Function”, International Journal of Antennas & Propagation, vol. 2008, p. Article ID 713921, 8 pages, 2008.

Bao, X. L. and Ammann, M. J., “Printed Triple-band Circularly Polarized Antenna for the Wireless Systems”, Electronics Letters, vol. 50, no. 23, pp. 1664-1665, 2014.

Panahi, A., Bao, X. L., Ruvio, G., and Ammann, M. J., “A Printed Triangular Monopole with Wideband Circular Polarization”, IEEE Transactions on Antennas & Propagation, vol. 63, no. 1, pp. 415-418, 2015.

Bao, X. L. and Ammann, M. J., “Printed Circularly-Polarized Antenna with Ultra-Wide Axial-Ratio Bandwidth”, IET Microwaves, Antennas & Propagation, vol. 5, no. 9, pp. 1089-1096, 2011.

Yang, K., Bao, X. L., McEvoy, P., and Ammann, M. J., “Pattern Reconfigurable Back-to-Back Microstrip Patch Antenna”, IET Microwaves, Antennas & Propagation, vol. 10, no. 13, pp. 1390 – 1394, 2016.

Narbudowicz, A., Ammann, M. J., and Bao, X. L., “Omnidirectional microstrip patch antenna with reconfigurable pattern and polarisation”, IET Microwaves, Antennas & Propagation, vol. 8, no. 11, pp. 872-877, 2014.

Narbudowicz, A., Bao, X. L., and Ammann, M. J., “Omnidirectional Circularly-Polarised Microstrip Patch Antenna”, Electronics Letters, vol. 48, no. 11, pp. 614-615, 2012.

Narbudowicz, A., Bao, X. L., and Ammann, M. J., “Omnidirectional circularly polarized antennas – a small antenna perspective”, Forum for Electromagnetic Research Methods and Application Technologies (FERMAT), vol. 10, pp. 1-6, 2015.

Bao, X. L., Ruvio, G., Ammann, M. J., and John, M., “A Novel GPS Patch Antenna on a Fractal Hi-Impedance Surface Substrate”, IEEE Antennas and Wireless Propagation Letters, vol. 5, no. 1, pp. 323-326, 2006.

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. and Ammann, M. J., “Monofilar Spiral Slot Antenna for Dual-Frequency Dual-Sense Circular Polarization”, IEEE Transactions on Antennas & Propagation, vol. 59, no. 8, pp. 3061-3065, 2011.

Bao, X. L., Ammann, M. J., and McEvoy, P., “Microstrip-fed Wideband Circularly Polarized Printed Antenna”, IEEE Transactions on Antennas & Propagation, vol. 58, no. 10, pp. 3150-3156, 2010.

Bao, X. L. and Ammann, M. J., “Microstrip-Fed Dual-Frequency Annular-Slot Antenna Loaded by Split-Ring Slot”, IET Microwaves, Antennas & Propagation, vol. 3, no. 5, pp. 757-764, 2009.

Bao, X. L., Ruvio, G., and Ammann, M. J., “Low-Profile Dual-Frequency GPS Patch Antenna Enhanced with Dual-Band EBG Structure”, Microwave and Optical Technology Letters, vol. 49, no. 11, pp. 2630-2634, 2007.

Bao, X. L. and Ammann, M. J., “Investigation on UWB Printed Monopole Antenna with Rectangular Slitted Groundplane”, Microwave and Optical Technology Letters, vol. 49, no. 7, pp. 1585-1587, 2007.

Bao, X. L. and Zhang, W. X., “A Hybrid GMT-PO Method for Calculating the NDC of the Irregular Edge of a Semi-Infinite Cone”, International Journal of Infrared and Millimeter Waves, vol. 22, no. 8, pp. 1259-1265, 2001.

Bao, X. L. and Zhang, W. X., “A Hybrid GMT/PO Method For Calculating the NDC of the Irregular Edge of a Semi-Infinite Circular Cylinder”, Microwave and Optical Technology Letters, vol. 31, no. 2, pp. 108-110, 2001.

Bao, X. L., Li, Z. F., and Sun, X. W., “FDTD Analysis of Dispersion Characteristics of 2-D Dielectric Photonic Crystal Described By Effective Permittivity in Grid”, Journal of Shanghai Jiaotong University, 2004.

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.

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