Work Experience

Education

Awards and Distinctions

Training
  • Keysight Technologies,Training on 3DEM in ADS (Advanced Design System), Cirrus Logic Inc., November 2021.
  • Python Training, Advanced Python Programming, Cirrus Logic Inc., December 2021
  • Ladybird Guide to Spacecraft Communication Training Course 2018, ESA Academy, ESA ESEC (European Space Security & Education Center), Redu, Belgium, March 2018. ​​
  • Trainee of ECOST-TRAINING_SCHOOL-IC1301 School on Electromagnetics for the IoE (Internet of Everything), University of Bologna, Italy, April 2016, (550€).
  • Trainee of ECOST-TRAINING_SCHOOL-IC1301 Wireless Networks: From Energy Harvesting to Information Processing, Centre Tecnologic de Telecom. de Catalunya (CTTC), Barcelona, Spain, November 2015, (565 €).

  • Patents
  • Spyridon N. Daskalakis, George Goussetis, "Long Range Ambient Backscatter Apparatus", Heriot-Watt University, Greece, Patent Application No: 20200100416, 16 July 2020.
  • Spyridon N. Daskalakis, George Goussetis, "Long Range Ambient Backscatter", Heriot-Watt University, United Kingdom, Patent Application No: GB2016717.7, 21 October 2020.

  • Book Chapter
  • Spyridon N. Daskalakis, Ricardo Correia, John Kimionis, George Goussetis, Manos M. Tentzeris, Nuno B. Carvalho and Apostolos Georgiadis Ambient FM Backscattering Low‐Cost and Low‐Power Wireless RFID Applications, Book: Wireless Power Transmission for Sustainable Electronics, COST WiPE - IC1301, Wiley, February 2020.

  • Publications
    Journal Publications:
    1. 🔥🔥 S. N. Daskalakis, A. Georgiadis, M. M. Tentzeris, G. Goussetis and G. Deligeorgis, The new era of Long-Range “Zero-Interception” Ambient Backscattering Systems: 130 m with 130 nA front-end consumption, in MDPI Sensors, May 2022 (Open Access).

    2. R. Torres, R. Correia, N. B. Carvalho, S. N. Daskalakis, G. Goussetis, Y. Ding, A. Georgiadis, A. Eid, J. Hester and M. M. Tentzeris, Backscatter Communications, IEEE Journal on Microwaves, September 2021 (Open Access).

    3. 👉 👉 J. Kimionis, A. Georgiadis, S. N. Daskalakis and M. M. Tentzeris, A printed millimeter-wave modulator and antenna array for low-complexity Gigabit-datarate backscatter communications, Nature Electronics, June 2021 (Open Access). ​​

    4. B. Couraud, R. Vauche, S. N. Daskalakis, D. Flynn, T. Deleruyelle, E. Kussener and S. D. Assimonis, Internet of Things: A review on Theory based Impedance Matching Techniques for Energy Efficient RF Systems, MDPI Special Issue: Artificial Intelligence of Things (AIoT), March 2021. ​

    5. B. Couraud, T. Deleruyelle, R. Vauche, D. Flynn and S. N. Daskalakis, A Low Complexity Design Framework for NFC-RFID Inductive Coupled Antennas, IEEE Access, pp. 1-1, June 2020. ​

    6. D. Belo, R. Correia, Y. Ding, S. N. Daskalakis, G. Goussetis, A. Georgiadis and N. B. Carvalho, IQ Impedance Modulator for Low-Power LoRa Backscattering Devices, IEEE Transactions on Microwave Theory and Techniques (TMTT), July 2019. ​​

    7. S. N. Daskalakis, A. Georgiadis, G. Goussetis and M. M. Tentzeris, A Rectifier Array Insensitive to the Angle of Incidence of Incoming Waves Based on a Wilkinson Power Combiner, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 67, No. 7, pp. 3210-3218, July 2019. Files:

    8. S. N. Daskalakis, R. Correia, G.Goussetis, M. M. Tentzeris, N. B. Carvalho and A. Georgiadis, 4-PAM Modulation of Ambient FM Backscattering for Spectrally Efficient Low Power Applications, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 66, No. 12, pp. 5909-5921, December 2018. Files: ​​

    9. S. N. Daskalakis, G. Goussetis, S. D. Assimonis, M. M. Tentzeris and A. Georgiadis, A uW Backscatter-Morse-Leaf Sensor for Low Power Agricultural Wireless Sensor Networks, IEEE Sensors Journal, Vol. 18, No. 19, pp. 7889–7898, Oct. 2018 (🌍 Top 25 most downloaded Sensors Journal papers in October 2018, February, March & September 2019). Files: ​​

    10. S. N. Daskalakis, J. Kimionis, A Collado, G. Goussetis, M. M. Tentzeris and A. Georgiadis, Ambient Backscatterers using FM Broadcasting for Low Cost and Low Power Wireless Applications, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 65, No. 12, pp. 5251 - 5262, November 2017. Files: ​​

    11. A. Collado, S. N. Daskalakis, K. Niotaki, R. Martinez, F. Bolos and A. Georgiadis, Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems, RADIOENGINEERING, Vol. 26, No. 1, April 2017. ​

    12. S. N. Daskalakis, S.D. Assimonis, E. Kampianakis and A. Bletsas, Soil Moisture Scatter Radio Networking with Low Power, IEEE Transactions on Microwave Theory and Techniques (TMTT), Special Issue on RFID Sensing & Imaging, Vol. 64, No. 7, pp. 2338-2346, July 2016. Files: ​​

    13. S. D. Assimonis, S. N. Daskalakis and A. Bletsas, Sensitive and Efficient RF Harvesting Supply for Battery-less Backscatter Sensor Networks, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 64, No. 4, pp. 1327-1338, April 2016. Files:

    Conference Publications:
    1. 👉 👉 K. Kossenas, D. Comite, S. N. Daskalakis, P. Kontou, M. Kuznetcov and S. K. Podilchak, A Remote Microwave Thermal Sterilization Approach for the Coronavirus and Other Pathogens by Wireless Power Transmission, URSI GASS 2021, August-September 2021, Rome, Italy (🌍 URSI GASS 2021 Young Scientist Award).

    2. P. Kontou, S. B. Smida, S. N. Daskalakis, S. Nikolaou, M. Dragone and D. E. Anagnostou, Heartbeat and Respiration Detection Using a Low Complexity CW Radar System, European Microwave Week 2020 (EuMW), January 2021, Utrecht, The Netherlands.

    3. S. N. Daskalakis, G. Goussetis and A. Georgiadis, NFC Hybrid Harvester for Battery-free Agricultural Sensor Nodes, IEEE International Conference on RFID-Technology and Applications (RFID-TA), September 2019, Pisa, Italy (Presentation).

    4. B. A. Mouris, W. Elshennawy, P. Petridis and S. N. Daskalakis, Rectenna for Bluetooth Low Energy Applications, IEEE Wireless Power Transfer conference (WPTC), June 2019, London, UK.

    5. S. N. Daskalakis, A. Georgiadis, G. Goussetis and M. M. Tentzeris, Low Cost Ambient Backscatter for Agricultural Applications, International Conference on Electromagnetics in Advanced Applications (ICEAA 2019), September 2019, Granada, Spain.

    6. S. N. Daskalakis, S. D. Assimonis, G. Goussetis, M. M. Tentzeris and A. Georgiadis, The Future of Backscatter in Precision Agriculture, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) 2019, July 2019, Atlanta, Georgia, USA.

    7. S. D. Assimonis, S. N. Daskalakis, V. Fusco, M. M. Tentzeris and A. Georgiadiss, High Efficiency RF Energy Harvester for IoT Embedded Sensor Nodes , IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) 2019, July 2019, Atlanta, Georgia, USA (Presentation).

    8. R. Correia, Y. Ding, S. N. Daskalakis, P. Petridis, G.Goussetis, A. Georgiadis and N. B. Carvalho, Chirp Based Backscatter Modulation, IEEE MTT-S International Microwave Symposium (IMS), June 2019, Boston, Massachusetts, USA.

    9. T.-H. Lin, S. N. Daskalakis, A. Georgiadis and M. M. Tentzeris, Achieving Fully Autonomous System-on-Package Designs: An Embedded-on-Package 5G Energy Harvester within 3D Printed Multilayer Flexible Packaging Structures, IEEE International Microwave Symposium (IMS), June 2019, Boston, Massachusetts, USA.

    10. S. N. Daskalakis, R. Correia, G.Goussetis, M. M. Tentzeris, N. B. Carvalho and A. Georgiadis, A Spectrally Efficient 4-PAM Ambient FM Backscattering for Wireless Sensing and RFID Applications, IEEE International Microwave Symposium (IMS), Pennsylvania, June 2018, Philadelphia, USA (Student paper competition finalist) .

    11. S. N. Daskalakis, G. Goussetis and A. Georgiadis, Low Bitrate Ambient FM Backscattering for Low Cost and Low Power Sensing, 2nd URSI Atlantic Radio Science Conference (AT-RASC), May-June 2018, Gran Canaria, Spain (Presentation).

    12. S. N. Daskalakis, G. Goussetis and A. Georgiadis, A 2.4 GHz Rectifier Insensitive to the Angle of Incidence of IncomingWaves, 2nd URSI Atlantic Radio Science Conference (AT-RASC), May-June 2018, Gran Canaria, Spain (Presentation).

    13. S. N. Daskalakis, A. Georgiadis, A. Collado and M. M. Tentzeris, An UHF rectifier with 100% bandwidth based on a ladder LC impedance matching network, European Microwave Week (EuMW), October 2017, Nuremberg, Germany,.

    14. S. N. Daskalakis, A. Collado, A. Georgiadis, and M. M. Tentzeris, Backscatter Morse Leaf Sensor for Agricultural Wireless Sensor Networks, IEEE Sensors Conference (SENSORS), October-November 2017, Glasgow, Scotland, UK (Received a Best paper distinction and invitation for publication to the IEEE Sensors Journal).

    15. S. N. Daskalakis, J. Kimionis, J. Hester, A. Collado, M. M. Tentzeris and A. Georgiadis, Inkjet printed 24 GHz rectenna on paper for millimeter wave identification and wireless power transfer applications, International Microwave Workshop Series on Advance Materials and Processes (IMWS-AMP), September 2017, Pavia, Italy.

    16. S. N. Daskalakis, J. Kimionis, A. Collado, M. M. Tentzeris and A. Georgiadis, Ambient FM Backscattering for Smart Agricultural Monitoring, IEEE International Microwave Symp. (IMS), June 2017, Honolulu, Hawaii, USA.

    17. A. Servent, S. N. Daskalakis, A. Collado and A. Georgiadis, A Proximity Wireless Sensor Based on Backscatter Communication, International Applied Computational Electromagnetics Society (ACES) Symposium, March 2017, Firenze, Italy.

    18. G. Vougioukas, S. N. Daskalakis and A. Bletsas, Could Battery-less Scatter Radio Tags Achieve 270-meter Range?, IEEE Wireless Power Transfer Conference (WPTC), May 2016, Aveiro, Portugal.

    19. S. N. Daskalakis, A. Georgiadis, A. Bletsas, C. Kalialakis, Dual Band RF Harvesting with Low-Cost Lossy Substrate for Low-Power Supply System, IEEE European Conference on Antennas and Propagation (EUCAP), April 2016, Davos, Switzerland. ​​

    20. S. N. Daskalakis​, S. D. Assimonis, E. Kampianakis and A. Bletsas, Soil Moisture Wireless Sensing with Analog Scatter Radio, Low Power, Ultra-Low Cost and Extended Communication Ranges, IEEE Sensors Conference (SENSORS), November 2014, Valencia, Spain.

    21. S. D. Assimonis, S. N. Daskalakis and A. Bletsas, Efficient RF Harvesting for Low-Power Input with Low-Cost Lossy Substrate Rectenna Grid, IEEE International Conference on RFID-Technology and Applications (RFID-TA), September 2014, Tampere, Finland.

    Academic Experience

    Research Interests
    • Satellite and Backscatter Communications 🛰️
    • Agricultural Sensing Applications 👨‍🌾
    • RF Energy Harvesting
    • Low-cost and Low-energy Wireless Sensor Networks
    • RF Engineering and Software-Defined Radios (RTL-SDR) Codes:
    • Additive Manufacturing ​​

    ​Other Activities

    ​Selective Conferences/Events

    ​Selective Ebooks
    • RF Microelectronics, Behzad Razavi (PDF).
    • Intro To Bluetooth Low Energy v1.1, Mohammad Afaneh (PDF).
    • Foundations of Electromagnetic Compatibility, Bogdan Adamczyk (PDF).
    • Electromagnetic Compatibility Engineering, Henry W. Ott (PDF).
    • Introduction to Python, John Strickler (PDF).
    • Intermediate Python, John Strickler (PDF).
    • Pragmatic Version Control Using Git, Travis Swicegood (PDF).
    • Software Defined Radio using MATLAB Simulink and the RTL-SDR, Robert W. Stewart, Kenneth W. Barlee, Dale S.W. Atkinson, and Louise H. Crockett (PDF).
    • Software Receiver Design, C. Richard Johnson, Jr, William A. Sethares, Andrew G. Klein (Files).
    • Electromagnetic Waves and Antenna, Sophocles J. Orfanidis (Files).
    • Digital Modulation and Coding, Stephen G. Wilson (Files).
    • The RF in RFID Passive UHF RFID in Practice, Daniel Dobkin (PDF).
    • Digital Communications, John G. Proakis, Masoud Saleni (PDF).
    • RFID AND SENSOR NETWORKS Architectures, Protocols, Security and Integrations, Yan Zhang, Laurence T. Yang, Jiming Chen (PDF).
    • Antenna Theory Analysis and Design, 3rd Edition, Constantine A. Balanis (PDF).
    • Foundations_of_Machine_Learning, Mehryar Mohri, Afshin Rostamizadeh, and Ameet Talwalkar (PDF).
    • Fundamentals of Digital Logic with Verilog Design (3rd_edition), Stephen Brown, Zvonko Vranesic (PDF).