All Stories

  1. Efficient Power Transfer to Implanted Antennas

    Article • IEEE Access, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  2. Microstrip antennas on 3D-printed magneto-dielectric substrates: fabrication and efficiency study

    Article • International Journal of Microwave and Wireless Technologies, February 2023, Cambridge University Press

    Dr Constantine Kakoyiannis

  3. Ka-band Antenna Array for Agile Frontends

    Article • August 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  4. On the capacity of Wheeler Cap measurements for detecting very low antenna efficiency levels

    Article • January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  5. Towards 600 MHz LTE smartphones via tunable magnetodielectric Printed Inverted-F Antennas

    Article • January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  6. Evaluation of a tumor detection microwave system with a realistic breast phantom

    Article • Microwave and Optical Technology Letters, November 2016, Wiley

    Dr Constantine Kakoyiannis

  7. A microwave breast imaging system using elliptical uniplanar antennas in a circular-array setup

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  8. Radio Planning of Single-Frequency Networks for Broadcasting Digital TV in Mixed-Terrain Regions

    Article • IEEE Antennas and Propagation Magazine, December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis, Professor Athanasios G Kanatas

  9. Properties of aluminum-substituted YIG with applications in tunable notched UWB antennas

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  10. Robust, electrically small, circular inverted-F antenna for energy-efficient wireless microsensors

    Article • IET Microwaves Antennas & Propagation, October 2014, the Institution of Engineering and Technology (the IET)

    Dr Constantine Kakoyiannis

  11. Complex electric permittivity and magnetic permeability of ferrites calculated from scattering parameters

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  12. Efficiency measurements of multiband and circularly polarized magneto-dielectric antennas by the equivalent-circuit wheeler cap

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  13. Post-processing accuracy enhancement of the improved Wheeler cap for wideband antenna efficiency measurements

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  14. Reconfigurable planar directional antennas printed on ferrimagnetic substrates

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  15. Hybrid antenna efficiency measurements in fixed-geometry wheeler caps by wideband Q-factor estimation

    Article • November 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  16. Compact, Slotted, Printed Antennas for Dual-Band Communication in Future Wireless Sensor Networks

    Article • International Journal of Antennas and Propagation, January 2013, Hindawi Publishing Corporation

    Dr Constantine Kakoyiannis

  17. Compact WSN antennas of analytic geometry based on Chebyshev polynomials

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  18. Electrically small, circular inverted-F antenna based on a robust, minimal design space

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  19. Electrically Small Microstrip Antennas Targeting Miniaturized Satellites: the CubeSat Paradigm

    Article • April 2011, IntechOpen

    Dr Constantine Kakoyiannis

  20. Radiation properties and ground-dependent response of compact printed sinusoidal antennas and arrays

    Article • IET Microwaves Antennas & Propagation, January 2010, the Institution of Engineering and Technology (the IET)

    Dr Constantine Kakoyiannis

  21. Compact Printed Arrays with Embedded Coupling Mitigation for Energy-Efficient Wireless Sensor Networking

    Article • International Journal of Antennas and Propagation, January 2010, Hindawi Publishing Corporation

    Dr Constantine Kakoyiannis

  22. Bandwidth enhancement, radiation properties and ground-dependent response of slotted antennas integrated into wireless sensors

    Article • IET Microwaves Antennas & Propagation, January 2010, the Institution of Engineering and Technology (the IET)

    Dr Constantine Kakoyiannis

  23. Radiation properties of wireless-sensor-targeted compact arrays loaded by ground defects

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  24. Reducing coupling in compact arrays for WSN nodes via pre-fractal defected ground structures

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  25. Coupling and Correlation Reduction in Compact Arrays for WSN Nodes via Pre-fractal Defected Ground Plane

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  26. Small printed sinusoidal antennas: A simple design guide for smooth meander-line structures with augmented bandwidth

    Article • March 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  27. Enhanced-bandwidth printed inverted-F antennas for multimedia sensor networks operating in the 2-3 GHz range

    Article • March 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  28. A compact microstrip antenna with tapered peripheral slits for CubeSat RF Payloads at 436MHz: Miniaturization techniques, design & numerical results

    Article • October 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  29. Ground Plane Considerations for Printed Monopole Antennas Integrated into Wireless Sensor Devices

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  30. Design and implementation of printed Multi-Element Antennas on wireless sensor nodes

    Article • May 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  31. Comparison of efficient small antennas for wireless microsensors through simulation and experiment

    Article • May 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis

  32. Co-design of Antenna Element and Ground Plane for Printed Monopoles Embedded in Wireless Sensors

    Article • January 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Constantine Kakoyiannis