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2007

Bao, X. L. and Ammann, M. J., “Dual-Frequency Circularly-Polarized Patch Antenna with Compact Size and Small Frequency Ratio”, IEEE Transactions on Antennas & Propagation, vol. 55, no. 7, pp. 2104-2107, 2007.

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., “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., 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.

Ammann, M. J. and Bao, X. L., “Miniaturized Annular Ring Loaded Patch Antennas”, in IEEE AP-S International Symposium on Antennas and Propagation, Honolulu, Hawai'i, USA, 2007, pp. 912-915.

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., “Small Patch/Slot Antenna with 53% Input Impedance Bandwidth”, Electronics Letters, vol. 43, no. 3, pp. 146-148, 2007.

2006

Bao, X. L. and Ammann, M. J., “Compact Annular-Ring Embedded Circular Patch Antenna with a Cross-Slot Ground Plane for Circular Polarization”, Electronics Letters, vol. 42, no. 4, pp. 192-193, 2006.

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. and Ammann, M. J., “Comparison of Several Novel Annular-Ring Microstrip Patch Antennas for Circular Polarization”, Journal of Electromagnetic Waves & Applications, vol. 20, no. 11, pp. 1427-1438, 2006.

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.

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., Ruvio, G., and Ammann, M. J., “Investigation on Annular-Ring Patch Antenna with EBG Structure”, in European Conference on Antennas and Propagation - EuCAP, Nice, France, 2006, p. PA4.

Curto, S., Bao, X. L., and Ammann, M. J., “Novel Compact 434 MHz Patch Antenna for Hyperthermia Applications”, in European Conference on Antennas and Propagation - EuCAP, Nice, France, 2006, p. No. 349943.

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., 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.

2005

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., Li, Z. F., and Sun, X. W., “Application on the Microstrip Patch Array Antenna with the Electromagnetic Bandgap Structure”, Journal of Microwave, 2005.

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.

2004

Bao, X. L., Sun, X. W., Li, Z. F., Bao, W. Y., and Qian, R., “35 GHz Patch Antenna Array Based on the Electromagnetic Band‐Gap Structure”, International Journal of Infrared and Millimeter Waves, vol. 24, no. 12, pp. 1799-1804, 2004.

Bao, X. L., Sun, X. W., Li, Z. F., Bao, W. Y., and Qian, R., “4-Unit Patch Antenna Array Based on the Electromagnetic Bandgap Structure”, in IEEE Asia Pacific Microwave conference, New Delhi, India, 2004.

Bao, X. L., Li, Z. F., and Sun, X. W., “An Approximate Expression of the Effective Permittivity In the Inhomogeneous Difference Unit Grid”, Journal of Applied Sciences, 2004.

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.

Bao, X. L., Li, Z. F., and Sun, X. W., “The Simple Derivation For the Effective Permittivities Formulae In the Finite Difference Grids”, in IEEE AP-S International Symposium on Antennas and Propagation, Monterey, CA, USA, 2004, vol. 1, pp. 89- 92.

2003

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.

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