Dr. Photos Vryonides joined the Electrical Engineering Department of Frederick University in February 2003 and is currently holding the lecturer post. Dr Photos Vryonides entered UMIST in 1995. After graduating he progressed to do an Mphil and a PhD in Microwave Engineering. He finished his studies in 2002.Dr. Vryonides teaches subjects related to communications, and electronics. Dr Vryonides primary research interests involve the following: Design and technology of advanced heterojunction microwave devices and circuits Microwave Electronics, in particular amplifiers and oscillators Phase Noise Characterisation and Prediction of Microwave and MM Wave Low Noise Oscillators. Satellite Remote Sensing
Journal Publications
1 |
P. Vryonides, S. Nikolaou, S. Kim, M. Tentzeris “Dual- mode reconfigurable bandpass filter using PIN diodes”, International Journal of Microwave and Wireless Technologies, DOI: http://dx.doi.org/10.1017/S1759078714000932,June 2014. |
2 |
P. Vryonides, H. Haralambous, “Comparison of COSMIC measurementswith the IRI-2007 model over the eastern Mediterranean region”, Journal of Advanced Research, Volume 4, Issue 3, May 2013, Pages 297-301. |
3 |
Hadjimitsis D.G Toulios L., Vryonides P, Papadopoulos P, Lazakidou A and Clayton C.R.I, “Satellite Remote Sensing for water quality assessment and monitoring-an overview on current concepts, deficits and future tasks’’, WSEAS Transactions of Signal Processing Issue 1, Vol. 3 pp 67-71 Jan 2007 |
Conference Publications
1 |
M. Ali Babar Abbasi, P. Vryonides, S. Nikolaou, "Humidity Sensor Devices using EDOT:PSS", Accepted for IEEE APS Symposium, Vancouver, Canada, 2015 |
2 |
S. Arain, M. Ali Babar Abassi, S. Nikolaou, and P. Vryonides, "A Reconfigurable Bandpass to Bandstop Filter Using PIN Diodes Based on the Square Ring Resonator", Accepted for PIERS Conference, Prague, Czech Republic, July 2015 |
3 |
M. Ali Babar Abbasi, S. Arain, P. Vryonides, and S. Nikolaou, "Design and optimization of miniaturized dual-band implantable antenna for MICS and ISM bands" Accepted for PIERS Conference, Prague, Czech Republic, July 2015 |
4 |
H Haralambous, P Vryonides “HF interference temporal and spectral characteristics over the eastern Mediterranean”, 10th Communications International Conference, in Bucharest, Romania May 2014 |
5 |
H Haralambous, P Vryonides, T.Leontiou, “Comparison of reconstructed F2 layer peak parameters over Cyprus by slant TEC ingestion into the NeQuick model and manually scaled data”, European Geosciences Union General Assembly (EGU2014) Vienna April 2014 |
6 |
Haris Haralambous, Photos Vryonides, V. Dobrica, C. Demetrescu, G. Maris, D. Ionescu “IRI STORM VALIDATION OVER EUROPE,” European Geosciences Union General Assembly (EGU2014) Vienna April 2014. |
7 |
H Haralambous, P Vryonides, “A comparison between automatically and manually scaled ionospheric characteristics over Cyprus from 2009 to 2012,” International Association of Geomagnetism and Aeronomy IAGA 12th Scientific Assembly,August 2013 Yucatan, Mexico. |
8 |
H Haralambous, P Vryonides, T.Leontiou, “A five year validation study of the IRI-STORM modelInternational Association of Geomagnetism and Aeronomy IAGA,” 12th Scientific Assembly, August 2013 Yucatan, Mexico. |
9 |
H. Haralambous, L. Economou, Vryonides P, “Diurnal and seasonal variability of HF Spectral Occupancy over the eastern Mediterranean, APS/URSI Symposium,Orlando USA 2013. |
10 |
H. Haralambous, L. Economou, H Papadopoulos, Vryonides P, “Modelling HF Spectral Occupancy over the eastern Mediterranean, APS/URSI Symposium Orlando USA 2013. |
11 |
H. Haralambous, L. Economou, Vryonides P, “Monitoring of HF Spectral Occupancy over the Eastern Mediterranean,” APS/URSI Symposium,Chicago 2012 |
12 |
P. Vryonides, H. Haralambous, C Tomouzos, G Pelopidas “Investigation of Ionospheric Slab Thickness and Plasmaspheric TEC Using Satellite Measurements”, Progress in Electromagnetic Research Symposium (PIERS 2012), August 2012 Moscow. |
13 |
P. Vryonides, “Ionospheric Behaviour over Europe driven by moderate geomagnetic Storms in 2012”, 9th European Space Weather Week (ESWW9), November 2012 Brussels. |
14 |
Haralambous H, S. Anaksagora, L. Economou , P. Vryonides, “Comparison of GPS-derived vTEC over Cyprus with IRI-2007 XXX” URSI General Assembly and Scientific Symposium of International Union of Radio Science August 2011 Istanbul. |
15 |
P. Vryonides, H. Haralambous, M. FragoudiSpread F, “Observations during Low Solar activity over Cyprus XXX,” URSI General Assembly and Scientific Symposiumof International Union of Radio Science, August 2011 Istanbul. |
16 |
S. Nikolaou, M. Davidovic, and P. Vryonides, "Triple notch UWB antenna controlled by three types of resonators", Proc. of IEEE AP-S Conference, Spokane, WA, USA, July 2011 |
17 |
Symeon Nikolaou, Miloš Davidović, Marija Nikolić, Photos Vryonides, “Resonator Type and Positioning Study for the Creation of a Potentially Reconfigurable Frequency Notch in a UWB Antenna Return Loss”, EuCAP 2011, Rome. |
18 |
P. Vryonides, L. Economou , Haralambous H, “A study of sporadic E layer characteristics over Cyprus,” Progress in Electromagnetic Research Symposium (PIERS 2011), March 2011 Marrakesh, Morocco |
19 |
Haris Haralambous, Photos Vryonides, Lefteris Economou, Luigi Ciraolo, Ljiljana Cander , “Ionospheric response to the major geomagnetic storm during maximum solar activity,” European Geosciences Union General Assembly (EGU2010), Vienna 2010. |
20 |
Haralambous H, L. Economou , P. Vryonides, “Comparison of foF2 values extracted from DIAS maps and ionosonde measurements at Nicosia during low solar activity,” 7th European Space Weather Week (ESWW7), November 2010 Brugges. |
21 |
H Haralambous , A. Mahrous , P Vryonides , “A Shemis Multi-instrument ionospheric disturbance detection over the Eastern Mediterranean region,” IEEE Geoscience and Remote Sensing Symposium (IGARSS2010) pp 3541-3544 Hawaii August 2010. |
22 |
M. D. Davidovic, S. Nikolaou, P. Vryonides, M. Nikolic, “UWB antenna with a WiMAX frequency notch caused by a novel stepped U shaped slot that suppresses the parasitic notches” Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE,pp. 1-4, July 2010, Toronto |
23 |
P. Vryonides, S. Nikolaou, H. Haralambous “24 GHz Low Phase Noise HBT Dielectric Resonator Oscillator”, Proc. of the IEEE WAMICON conference, MelbourneBeach, FL, USA, pp 1-4 April 2010. |
24 |
M. D. Davidovic, S. Nikolaou, P. Vryonides, M. Nikolic, and B. Kolundzija, “Reconfigurable UWB Antenna Operating in Two Different Sub-bands”, Proc. of EuCAP 2010, pp 1-5,Barcelona, Spain, April 2010. |
25 |
Haralambous H, P. Vryonides, L. Economou ,Papadopoulos H, “A local Total Electron Content Neural Network model over Cyprus,” 4th International Symposium on Communications, Control and Signal Processing (ISCCSP 2010), March 2010 Limassol pp 1-5. |
26 |
S. Nikolaou, P. Vryonides, D. E. Anagnostou, M. Al-Tarifi, “Development of an Ultra Compact Dual Band Antenna on a One Cubic Centimeter (1 cm3) Surface”, Proc. of IEEE AP-S conference, Charleston, SC, USA, June 2009 |
27 |
Haralambous H, P. Vryonides, L. “Economou First Results from the Cyprus Digisonde”, IET 11th International Conference on Ionospheric Radio Systems and Techniques (IRST) pp 9-13 May 2009 Edinburgh. |
28 |
S. Nikolaou, B. Kim, P. Vryonides, ‘Reconfiguring Antenna Characteristics using PIN diodes’ Proc. of EuCAP 2009, pp.3748 – 3752, Berlin, Germany, March 2009 |
29 |
H Haralambous , A. Mahrous , P Vryonides, A Shemis, “A Cyprus-Egypt initiative for monitoring of Ionospheric Weather Over the eastern Mediterranean region IAGA,” International Symposium on Solar Wind-Space Environment Interactionpp 193-196 Cairo, Egypt December 2009. |
30 |
Haralambous H, P. Vryonides,L. Economou, “Enhancements in the critical frequency foF2 over Cyprus during a low solar activity period in the absence of pronounced geomagnetic activity,” 6th European Space Weather Week (ESWW6), November 2009 Brugges. |
31 |
C.Damianou, K. Ioannides, V. HadjiSavas, N. Milonas, A. Couppis, D. Iosif, M. Komodromos, P. Vryonides,‘Thermal ablation system using high intensity focused ultrasound (HIFU) and guided by MRI’, 12th World Congress of the World Federation for Ultrasound in Medicine and Biology,Sydney, Australia, 30 August – 3 September 2009 |
32 |
H Haralambous , A. Mahrous , P Vryonides , A Shemis , “Monitoring of Ionospheric Weather Over Cyprus and Egypt first results International Association of Geomagnetism and Aeronomy IAGA,” 11th Scientific Assembly, August 2009 Sopron. |
33 |
P. Vryonides, S. Nikolaou, C. Themistos, M. Komodromos “Low Phase Noise HBT DRO”, IEEE Mediterranean Microwave Symposium, Damascus, Syria,pp. 247-250, October 14-16, 2008 |
34 |
C. Damianou, K. Ioannides, V. HadjiSavas, N. Milonas, A. Couppis, D. Iosif, M. Komodromos, P. Vryonides, ‘Thermal ablation system using high intensity focused ultrasound (HIFU) guided by MRI’, 8th International Symposium on Therapeutic Ultrasound, Mineapolis, USA, September 10-13, 2008 |
35 |
S. Nikolaou, P. Vryonides, D.E. Anagnostou, “Dual-Band Microstrip-Fed Monopole on RO4003 Substrate”, Proc. of 2008 IEEE-APS Symposium, pp.1-4, Digital Object Identifier 10.1109/APS.2008.4619886, San Diego , CA, July 2008. |
36 |
Haralambous H, G. Dekoulis, P. Vryonides, “Operation of a new fully automated digisonde (DPS-4D) in Cyprus,” 12th International Symposium on Equatorial Aeronomy (ISEA12) May 2008 Crete. |
37 |
H Haralambous , A. Mahrous , P Vryonides, A Shemis Monitoring of Ionospheric Weather OverCyprus and Egypt 12th International Symposium on Equatorial Aeronomy (ISEA12)May2008 Crete. |
38 |
Hadjimitsis D.G, Vryonides P, Themistokleous, K., Toulios L., and Clayton C.R.I, “ Satellite- derived determination of aerosol optical thickness for air pollution monitoring: A simplified Algorithm”, Fifteenth International Conference on Modelling, 6th International Conference on Air Quality Cyprus, 27-29 March2007 |
39 |
Hadjimitsis D.G, Vryonides P, Themistokleous, K., Toulios L., and Clayton C.R.I, “ Applications of Satellite Remote Sensing & GIS Urban Air-Quality Monitoring in Cyprus: Potential Solutions and Suggestions” ,Fifteenth International Conference onModelling, 6th International Conference on Air Quality Cyprus, 27-29 March 2007 |