Publications

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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.

Bao, X. L. and Ammann, M. J., “A Cavity-Backed Spiral Slot Antenna with Wide Axial Ratio Beamwidth for GPS System”, Microwave and Optical Technology Letters, vol. 56, no. 5, pp. 1050-1054, 2014.

Bao, X. L. and Zhang, W. X., “Comparison Study of FDTD And MRTD Methods For Analyzing the 2-D PBG Structure”, in Cross Strait Tri-Regional Radio Science and Wireless Technology Conference, Shanghai, China, 2002, pp. 172-175.

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.

Bao, X. L., Li, Z. F., and Sun, X. W., “Analysis of the Resonant Cavities Using the FDTD Scheme with Effective Permittivities Formulae”, International Journal of Electronics, vol. 92, no. 7, pp. 393-399, 2005.

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., Zhang, W. X., and Li, L. W., “Analysis on the Dispersion Characteristics of Complex Medium PBG Structure by Using Non-Yee Grid FDTD Method”, Chinese Journal of Radio Science, vol. 18, no. 4, 2003.

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., “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. 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., Zhang, W. X., and Li, L. W., “PSTD Analysis For Dispersion Characteristics of PBG Structure In Complex Medium”, in The Progress in Electromagnetics Research Symposium, Singapore, 2003.

Bao, X. L. and Ammann, M. J., “Investigation on Miniature Wideband Patch Antenna for Portable Wireless and Cellular Applications”, in IEEE 65th Vehicular Technology Conference - VTC2007-Spring, Dublin, Ireland, 2007, pp. 348-351.

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.

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

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. and Ammann, M. J., “Compact Concentric Annular-Ring Patch Antenna for Triple-Frequency Operation”, Electronics Letters, vol. 42, no. 20, pp. 1129-1130, 2006.

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., 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., 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., “Dual-Frequency Dual Circularly-Polarized Patch Antenna with Wide Beamwidth”, Electronics Letters, vol. 44, no. 21, pp. 1233-1234, 2008.

Bao, X. L. and Ammann, M. J., “Compact Microstrip-Fed Annular-Slot Antenna Combined with C-shaped Slot for Broad Dualband Operation”, in Progress In Electromagnetics Research Symposium, Hangzhou, China, 2008, p. 84.

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