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Dr. Matthias John

Dr. Matthias John

Room 410, 4th Floor, Kevin Street
Email: matthias.john@dit.ie
or: matthias.john@ieee.org


Member of the Antenna & HF Research Centre
Antenna & HF Research Group

Qualifications

Ph.D. Microwave Antenna Engineering (Dublin Institure of Technology, Ireland)
Dipl.-Inf. (FH) Telecommunications and Computer Science

Research

Design Principles of Antennas for Multi-band Reconfigurable Wireless Systems.

Genetic Algorithm Optimisation of wide-band printed monopoles and feed systems employing arrays of overlapping sub-patches.

Optimisation and miniaturisation of multi-band and wide-band printed elements.

Novel shapes for antennna design based on quadratic Bézier Splines.

This is an SFI funded project and is part of the Centre for Telecommunications Value-Chain Research (CTVR). See www.ctvr.ie

Publications (53)

2015 (6)

A. Narbudowicz, M. John, V. Sipal, X. L. Bao, M. J. Ammann
"Design Method for Wideband Circularly Polarized Slot Antennas,"
IEEE Transactions on Antennas & Propagation, July 2015, vol. 63(?), In Press.


M. J. Ammann, M. John, G. Ruvio
"Ultra-Wideband Antennas,"
in Handbook of Antenna Technologies Ed. Z.N.Chen, Springer Singapore, 2015, In Press.


A. Loutridis, M. John, M. J. Ammann
"A Dual Band LTE PIFA Antenna for M2M Applications,"
Microwave and Optical Technology Letters, July 2015, vol. 57(7), p 1655-1658.


A. Loutridis, M. John, M. J. Ammann
"Folded Meander Line Antenna for Wireless M-Bus in the VHF and UHF Bands,"
Electronics Letters, July 2015, vol. 51(15), p 1138-1140.


A. Loutridis, M. John, M. J. Ammann
"A Compact Printed Spiral FM Antenna,"
Progress In Electromagnetics Research Symposium, Prague, CZ, 6 July 2015.


D. Gaetano, P. McEvoy, M. J. Ammann, M. John, C. Brannigan, L. Keating, F. Horgan
"Insole Antenna for On-Body Telemetry,"
IEEE Transactions on Antennas & Propagation, May 2015, vol. 63(8), p 3354-3361.


2014 (2)

V. Sipal, M. John, D. Neirynck, M. McLaughlin, M. J. Ammann
"Advent of Practical UWB Localization: (R)Evolution in UWB Antenna Research,"
European Conference on Antennas and Propagation - EuCAP, The Hague, NL, 6 April 2014.


A. Loutridis, M. John, M. J. Ammann
"Printed Folded Meander Line Dual-Band Monopole for TV White Space and GSM,"
European Conference on Antennas and Propagation - EuCAP, The Hague, NL, 6 April 2014.


2013 (3)

A. Loutridis, M. John, M. J. Ammann
"Dual Band LTE Planar Inverted-F Antnna for M2M Applications,"
Microwave and Optical Technology Letters, December 2013, vol. 55(12), p 2925-2929.


A. Loutridis, M. John, M. J. Ammann
"A Printed Inverted-F Antenna for M2M Applications in the Lower UHF Band,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 11 November 2013.


M. John, M.J. Ammann
"A Compact Shorted Printed Monopole Antenna for TV White Space Trials,"
European Conference on Antennas and Propagation - EuCAP, Gothenburg, Sweden, 8 April 2013.


2012 (7)

A. Loutridis, M. John, G. Ruvio, M.J. Ammann
"A 2.45/5.8 GHz Folded Monopole Antenna for WLAN Applications,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 12 November 2010, p 1-3.


D. Gaetano, M.J. Ammann, P. McEvoy, M. John, L. Keating, F. Horgan
"Proximity Study of a UWB Directional Conformal Antenna on Water Pipe,"
Microwave and Optical Technology Letters, August 2012, vol. 53(8), p 1982-1986.


M.J. Ammann, M. John
"ULTRA WIDE BAND ANTENNA WITH A SPLINE CURVE RADIATING ELEMENT,"
US Patent US8232922 (B2), Class.: H01P11/00, H01Q1/36, H01Q1/48, Appl. No.: US20090355592 United States, July 2012.


A. Dumoulin, M. John, P. McEvoy, M.J. Ammann,
"An Enhanced Method to Measure Pulse Disperion in UWB Antennas,"
IEEE International Symposium on Antennas and Propagation, Chicago, IL, 08 July 2012.


A. Narbudowicz, M. John, P. McEvoy, M.J. Ammann,
"Vivaldi Array for Generation of UWB Circular Polarization,"
IEEE International Symposium on Antennas and Propagation, Chicago, IL, 08 July 2012.


A. Dumoulin, M. John, M.J. Ammann, P. McEvoy,
"Optimized Monopole and Dipole Antennas for UWB Asset Tag Location Systems,"
IEEE Transactions on Antennas & Propagation, June 2012, vol. 60(6), p 2896-2904


A. Dumoulin, M. John, P. McEvoy, M.J. Ammann,
"Optimised Tapered-Slot Antenna for Real Time Location Systems,"
Communications and Radio Sciences Research Colloquium, Royal Irish Academy, Dublin, 28 March 2012.


2011 (5)

G. Ruvio, M.J. Ammann, M. John, R. Solimene, A. D'Alterio, R. Pierri
"UWB breast cancer detection with numerical phantom and Vivaldi antenna,"
International Conference on Ultra-Wideband ICUWB, Bologna, Italy, 14 September 2011, p 8-11.


M. John
"Wideband Printed Antenna Optimisation,"
CST European User Group Meeting, Munich, Germany, 17 May 2011.


M.J. Ammann, D. Kearney, M. John
"Surface-Mounted UWB Handset Antenna with Small Envelope Volume,"
European Conference on Antennas and Propagation - EuCAP, Rome, Italy, 11 April 2011, p 2622-2624.


D. Gaetano, M.J. Ammann, P. McEvoy, M. John
"A Conformal UWB Directional Antenna,"
European Conference on Antennas and Propagation - EuCAP, Rome, Italy, 11 April 2011, p 1113-1116.


D. Kearney, M. John, M.J. Ammann,
"Miniature Ceramic Dual-PIFA Antenna to Support Band Group 1 UWB Functionality in Mobile Handset,"
IEEE Transactions on Antennas & Propagation, January 2011, vol. 59(1), p 336-339.


2010 (3)

A. Dumoulin, M. John, M.J. Ammann, P. McEvoy,
"Evaluation of the Effect of a Planar Reflector on the Pulse Performance of an UWB Monopole,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 8 November 2010, p 189-192.


M. John, M.J. Ammann
"A Pattern Reconfigurable Momopole Slot-Hybrid Antenna,"
European Conference on Antennas and Propagation - EuCAP, Barcelona, Spain, 12 April 2010, We-35.


D. Kearney, M. John, M.J. Ammann,
"Miniature Ceramic PIFA for UWB Band Group 3 & 6,"
IEEE Antennas and Wireless Propagation Letters, 2010, vol. 9, p 28-31.


2009 (3)

A. Dumoulin, M. John, M.J. Ammann, P. McEvoy,
"Performance Evaluation of Antennas for UWB Radar and Positioning Systems,"
Irish Signals & Systems Conference, Dublin, 10 June 2009.


M.J. Ammann, A. Dumoulin, M. John, P. McEvoy,
"Time-Domain Performance of Printed UWB Antennas,"
European Conference on Antennas and Propagation - EuCAP, Berlin, Germany, 23 March 2009, p 3766-3769.


M. John, M.J. Ammann,
"Antenna Optimisation with a Computationally Efficient Multi-objective Evolutionary Algorithm,"
IEEE Transactions on Antennas & Propagation, January 2009, vol. 57(1), p 260-263.


2008 (6)

M. John
"Study of Design Principles and Optimisation Techniques for Ultra-Wideband Printed Antennas,"
PhD Thesis, School of Electronic and Communications Engineering, Dublin Institute of Technology, Dublin, Ireland, September 2008.


M. John, M.J. Ammann, P. McEvoy,
"UWB Vivaldi Antenna Based on a Spline Geometry with Frequency Band-Notch,"
IEEE AP-S International Symposium on Antennas and Propagation, San Diego, CA, USA, 05 July 2008, Session 412, Paper 7.


P. McEvoy, M. John, S. Curto, M.J. Ammann,
"Spatial Group Delay Patterns for Three Ultra Wideband Spline Antennas,"
IEEE AP-S International Symposium on Antennas and Propagation, San Diego, CA, USA, 05 July 2008, Session 145, Paper 2.


P. McEvoy, S. Curto, M. John, M.J. Ammann,
"Directive Ultra Wideband Antennas for Radar Applications in Wireless Sensor Networks,"
Royal Irish Academy - Research Colloquium on Emerging Trends In Wireless Communications, Dublin, 24 April 2008, p 103-105.


P. McEvoy, M. John, S. Curto, M.J. Ammann,
"Group Delay Performance of Ultra Wideband Monopole Antennas for Communication Applications,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 17 March 2008, p 377-380.


M. John, J.A. Evans, M.J. Ammann, J.C. Modro and Z.N. Chen,
"Reduction of Groundplane-Dependent Effects on Microstrip-Fed Printed Rectangular Monopoles,"
IET Microwaves, Antennas & Propagation, February 2008, vol. 2(1), p 42-47.


2007 (5)

M. John and M.J. Ammann,
"Wideband Printed Monopole Design Using a Genetic Algorithm,"
IEEE Antennas and Wireless Propagation Letters, 2007, vol. 6, p 447-449.


M. John and M.J. Ammann,
"Spline Based Geometry for Printed UWB Antenna Design,"
IEEE AP-S International Symposium on Antennas and Propagation, Honolulu, Hawai'i, June 2007, p 761-764.


M.J. Ammann and M. John,
"Some Techniques to Improve Small Groundplane Printed Monopole Performance,"
IEEE AP-S International Symposium on Antennas and Propagation, (invited paper), Honolulu, Hawai'i, June 2007, p 2825-2828.


S. Curto, M. John and M.J. Ammann,
"Groundplane Dependent Performance of Printed Antenn for MB-OFDM-UWB,"
IEEE 65th Vehicular Technology Conference - VTC2007-Spring, Dublin, April 2007, p 352-356.


M. John and M.J. Ammann,
"Spline Based Geometry for Printed Monopole Antennas,"
Electronics Letters, March 2007, vol. 43(6), p 317-319.


2006 (7)

N. Herscovici, M. John, M.J. Ammann and Z. Šipuš,
"A Novel Architecture for a Multi Polarised, Perpendicularly-Fed, Radiating Element,"
EuCAP - European Conference on Antennas and Propagation, Nice, France, November 2006, No. 347212.


F. Leon-Lerma, M. John, G. Ruvio, M.J. Ammann and N. Herscovici,
"Wideband Directional Base-Station Antenna with Dual-linear and Circular-Polarization Capabilities,"
IEE Irish Signals & Systems Conference, Dublin, June 2006, p 253-256.


X.L. Bao, G. Ruvio, M.J. Ammann and M. John,
"A Novel GPS Patch Antenna on a Fractal Hi-Impedance Surface Substrate,"
IEEE Antennas and Wireless Propagation Letters, 2006, vol. 5, p 323-326.


M. John and M.J. Ammann,
"Optimisation Of A Wide-Band Printed Monopole Antenna Using A Genetic Algorithm,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, April 2006, p 237-240.


M. John and M.J. Ammann,
"Design Of A Wide-Band Printed Antenna Using A Genetic Algorithm On An Array Of Overlapping Sub-Patches,"
IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, New York, March 2006, p 92-95.


X.L. Bao, M.J. Ammann, G. Ruvio and M. John,
"High Performance Circularly Polarized Antenna Based on the Fractal EBG Structure,"
IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, New York, March 2006, p 257-260.


M. John and M.J. Ammann,
"Integrated Antenna for Multiband Multi-National Wireless Combined with GSM/800/PCS1900/IMT2000+Extension,"
Microwave and Optical Technology Letters, March 2006, vol. 48(3), p 613-615.


2005 (6)

M.J. Ammann and M. John,
"Optimum Design of the Printed Strip Monopole,"
IEEE Antennas & Propagation Magazine, December 2005, vol. 47(6), p 59-61.


M. John and M.J. Ammann,
"Optimisation of Impedance Bandwidth for the Printed Rectangular Monopole Antenna,"
Microwave and Optical Technology Letters, October 2005, vol. 47(2), p 153-154.


M. John, A.Th. Schwarzbacher and J. Timoney,
"CMOS Implementation of an Adaptive Noise Canceller into a Subband Filter,"
8th Int. Conference on Digital Audio Effects (DAFx'05), Madrid, Spain, September 2005, p 61-64.


M. John, M.J. Ammann and R. Farrell,
"Printed Triband Terminal Antenna,"
IEE Conf., Wideband and Multiband Antennas and Arrays, Birmingham, UK, September 2005, p 19-23.


J.A. Evans, M. John and M.J. Ammann,
"Note on the Corrugated Plate Monopole,"
Microwave and Optical Technology Letters, July 2005, vol. 46(2), p 168-170.


M. John and M.J. Ammann,
"The Effect of Groundplane Size and Branch-off Point on the Performance of the Printed Multibranch Monopole,"
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, April 2005, p 189-192.

Awards

DIT Hothouse Researcher Commercialisation Award 2009.

Best poster award at the CTVR annual plenary meeting in Ennis, March 2007.