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Jonathan Evans

QUALIFICATIONS :
BSc (Eng)
Honours Diploma in Electrical/Electronic Engineering
Technician Engineering Diploma in Electronics and Telecommunications


   

Postgraduate student (PhD)
Jonathan is studying planar monopole antennas for broadband mobile applications.  He has been studying part-time since September 2001 while also working as a Technology Analyst for ComReg.

Areas of interest
Broadband mobile antennas, Antenna modelling, Ultrawideband radio

Publications

Evans, J.A., Ammann, M.J., “A dual-frequency stacked microstrip patch antenna for GPS applications”. Proc.  ISSC99, NUI Galway, Ireland, pp. 381-384.

Evans, J.A., Ammann, M.J., “Planar Trapezoidal and Pentagonal Monopoles with Impedance Bandwidths in Excess of 10:  Dig.1999 IEEE AP-S International Symposium, Orlando, FL., USA,

Evans, J.A., Ammann, M.J., and Doyle, L.E., “A Wideband Antenna for Reconfigurable Multiband Radio Applications’, ISSC2002, Cork, 2002, pp. 157-160

Evans, J.A. and Ammann, M.J., “Planar monopole design considerations based on TLM simulation of current density”, Microw. Opt. Techn. Lett , 2003, 36, (1), pp. 40-42

Ammann, M. J., Evans J. A and Wu, Z. “A Novel Hybrid Inverted-L Antenna with Wide Bandwidth”, 12th IEE International Conference on Antennas & Propagation, Vol (2) pp. 720-722, 2003.

Evans, J.A. and Ammann, M.J., “Planar Monopole Antennas for Broadband Mobile Applications”, IEI/IEEE Irish Telecommunications Systems Research Symposium, 2003  

Evans J. A and Ammann M. J, 
Modified Planar Monopole and Hybrid Inverted-L Antennas for Mobile Applications, 
Proc. Irish Sig. & Sys. Conf., 2003, University of Limerick, 124-128.

Evans J. A and Ammann M. J,
Modified Planar Inverted-L Antenna
8th IEEE HFPGS Colloq. Digest, IEEE Catalog No: 03TH8707, 103-106, 2003.

Uzelac M , Ammann M. J, Sierra Cordoba, R., Evans J.A. and Schwarzbacher A. T. 
On Pattern Stability of the Crossed Planar Monopole
Microwave and Optical Technology Letters, 2004, 40, (4), 294-296.

Evans J. A and Ammann M. J.
The Effect of Element Width on the Impedance Bandwidth and Mode for the Rectangular Monopole Antenna
URSI International Symposium on Electromagnetic Theory

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