Tampere University of Technology

TUTCRIS Research Portal

Johanna Virkki

1 - 126 out of 126Page size: 500
  1. Published

    Towards eco-friendly and cost-effective passive RFID applications

    Akbari, M., Virkki, J., Khan, M. W. A., Sydänheimo, L. & Ukkonen, L., 2016, 2016 10th European Conference on Antennas and Propagation (EuCAP) . IEEE, p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  2. Published

    Toward Graphene-Based Passive UHF RFID Textile Tags: A Reliability Study

    Akbari, M., Virkki, J., Sydänheimo, L. & Ukkonen, L., 1 Sep 2016, In : IEEE Transactions on Device and Materials Reliability. 16, 3, p. 429-431 3 p.

    Research output: Contribution to journal › Letter › Scientific › peer-review

    Full text: ExLibris SFX link
  3. Published

    Implementation and performance evaluation of graphene-based passive UHF RFID textile tags

    Akbari, M., Sydänheimo, L., Rahmat-Samii, Y., Virkki, J. & Ukkonen, L., 14 Aug 2016, 2016 URSI International Symposium on Electromagnetic Theory (EMTS) . IEEE, p. 447-449

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  4. Published

    The Possibilities of Graphene-Based Passive RFID Tags in High humidity Conditions

    Akbari, M., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2016, 2016 IEEE International Symposium on Antennas and Propagation/USNC-URSI National Radio Science meeting. IEEE, p. 1269-1270

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  5. Published

    3D Printed and Photonically Cured Graphene UHF RFID Tags on Textile, Wood, and Cardboard Substrates

    Akbari, M., He, H., Juuti, J., Tentzeris, M. M., Virkki, J. & Ukkonen, L., 20 Jun 2017, In : International Journal of Antennas and Propagation. 8 p., 7327398.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  6. Published

    Impact of Recurrent Washing on the Performance of Electro-textile UHF RFID Tags

    Björninen, T., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2014, 2014 IEEE RFID Technology and Applications Conference, 8-9 September, 2014, Tampere, Finland. Institute of Electrical and Electronics Engineers IEEE, p. 251-255 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  7. Published

    Impact of Recurrent Stretching on the Performance of Electro-textile UHF RFID Tags

    Björninen, T., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2014, 2014 Electronics System-Integration Technology Conference (ESTC), 16-18 September 2014, Helsinki, Finland. p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  8. Published

    Inkjet-printing and Performance Evaluation of UHF RFID Tag Antennas on Renewable Materials with Porous Surfaces

    Björninen, T., Virkki, J., Virtanen, J., Sydänheimo, L., Ukkonen, L. & Manos, T. M., 2013, 7th European Conference on Antennas and Propagation digest, 8-12 Apr 2013, Gothenburg, Sweden. Piscataway, NJ: Institute of Electrical and Electronics Engineers IEEE, p. 1721 - 1725 5 p. (European Conference on Antennas and Propagation).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  9. Published

    Possibilities of 3D direct write dispensing for textile UHF RFID tag manufacturing

    Björninen, T., Virkki, J., Sydänheimo, L. & Ukkonen, L., Jul 2015, 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting July 19-24, 2015 • Vancouver, BC, Canada. IEEE, p. 1316–1317

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  10. Published

    Manufacturing of antennas for passive UHF RFID tags by direct write dispensing of copper and silver inks on textiles

    Björninen, T., Virkki, J., Sydänheimo, L. & Ukkonen, L., Sep 2015, 2015 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, p. 589-592

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  11. Published

    Small square-shaped slot antenna for wearable passive UHF RFID tags

    Björninen, T., Virkki, J. & Ukkonen, L., 1 Aug 2017, Proceedings of International Applied Computational Electromagnetics Society Symposium. IEEE, 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  12. Published

    Cost- and time-effective sewing patterns for embroidered passive UHF RFID tags

    Brechet, N., Ginestet, G., Moradi, E., Ukkonen, L., Torres, J., Björninen, T. & Virkki, J., 1 Mar 2017, Proceedings of IEEE 2017 International Workshop on Antenna Technology. IEEE, p. 30-33

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  13. Published

    Perspectives for Sharing Personal Information on Online Social Networks

    Chan, C. K. & Virkki, J., 2014, In : Social Networking. 3, 1, p. 41-49 9 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  14. Published

    A Lightweight Inter-domain Direct Anonymous Attestation Scheme for Machine-to-Machine Networks

    Chen, L., Hu, A., Huang, J. & Virkki, J., 2013, International Workshop on Cloud Computing and Information Security, CCIS 2013, November 9th-11th, 2013 in Shanghai, China. Atlantis Press, p. 545-550 6 p. (Advances in Intelligent Systems Research; vol. 52).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  15. Published

    Experimental Study on Strain Reliability of Embroidered Passive UHF RFID Textile Tag Antennas and Interconnections

    Chen, X., Liu, A., Wei, Z., Ukkonen, L. & Virkki, J., 10 Jan 2017, In : Journal of Engineering. 2017, 8493405.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  16. Published

    Antennas and antenna-electronics interfaces made of conductive yarn and paint for cost-effective wearable RFIDs and sensors

    Chen, X., Ma, S., Ukkonen, L., Björninen, T. & Virkki, J., 4 Oct 2017, 2017 IEEE MTT-S International Microwave Symposium, IMS 2017. IEEE, p. 827-830 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  17. Published

    Comparison of e-textile dipole and folded dipole antennas for wearable passive UHF RFID tags

    Chen, X., Ukkonen, L., Björninen, T. & Virkki, J., 19 Nov 2017, 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL). IEEE, 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  18. Published

    Electro-Textile Glove-Tags for Wearable RFID Applications

    Chen, X., He, H., Xu, J., Wang, T., Cheng, L., Ukkonen, L. & Virkki, J., 2017, 2017 International Symposium on Antennas and Propagation (ISAP). 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  19. Published

    Two-part stretchable passive UHF RFID textile tags

    Chen, X., He, H., Chen, L., Raumonen, P., Ukkonen, L. & Virkki, J., 22 May 2017, 2017 Progress in Electromagnetics Research Symposium - Spring, PIERS 2017. Electromagnetics Academy, p. 3318-3321 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  20. Published

    Reliability evaluation of wearable radio frequency identification tags: Design and fabrication of a two-part textile antenna

    Chen, X., Ukkonen, L. & Virkki, J., 2019, In : Textile Research Journal. 89, 4

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  21. Published

    Fabrication and reliability evaluation of passive UHF RFID T-shirts

    Chen, X., He, H., Ukkonen, L., Virkki, J., Lu, Y. & Lam, H., 8 Jun 2018, 2018 IEEE International Workshop on Antenna Technology, iWAT2018 - Proceedings. IEEE, p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  22. Published

    The Effects of Added Clothing Layers on the Performance of Wearable Electro-Textile UHF RFID Tags

    Chen, X., He, H., Ukkonen, L. & Virkki, J., 27 Sep 2018, The Effects of Added Clothing Layers on the Performance of Wearable Electro-Textile UHF RFID Tags. IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  23. Published

    Embroidered UHF RFID Moisture Sensor Tag on Dishcloth Substrate

    Chen, X., He, H., Ukkonen, L. & Virkki, J., Jul 2018, 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  24. Published

    Fabrication and Practical Evaluation of Glove-integrated Passive UHF RFID Tags

    Chen, X., He, H., Ukkonen, L., Virkki, J., Xu, J., Wang, T. & Cheng, L., Sep 2018, 2018 IEEE International Conference on RFID Technology Application (RFID-TA). IEEE, 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  25. Published

    3D-Printed Eco-Friendly and Cost-Effective Wireless Platforms

    Chen, X., He, H., Ukkonen, L. & Virkki, J., Sep 2018, 2018 7th Electronic System-Integration Technology Conference (ESTC). IEEE, 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  26. E-pub ahead of print

    Textile-Based Batteryless Moisture Sensor

    Chen, X., He, H., Khan, Z., Sydanheimo, L., Ukkonen, L. & Virkki, J., 6 Dec 2019, In : IEEE Antennas and Wireless Propagation Letters.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  27. Published

    Chipless graphene tag and dual-CP reader for Internet of Things

    Dong, G., Shen, Y., He, H., Virkki, J. & Hu, S., 26 Sep 2017, 2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017. IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  28. Published

    Experimental Study on the Washing Durability of Electro-Textile UHF RFID Tags

    Fu, Y. Y., Chan, Y. L., Yang, M. H., Chan, Y-C., Virkki, J., Björninen, T., Sydänheimo, L. & Ukkonen, L., 2014, In : IEEE Antennas and Wireless Propagation Letters. 14, p. 466-469 4 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  29. Published

    Embroidered Antenna-Microchip Interconnections and Contour Antennas in Passive UHF RFID Textile Tags

    Ginestet, G., Brechet, N., Torres, J., Moradi, E., Ukkonen, L., Björninen, T. & Virkki, J., 11 Nov 2016, In : IEEE Antennas and Wireless Propagation Letters. 16, p. 1205-1208

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  30. Published

    Washing Reliability of Painted, Embroidered, and Electro-textile Wearable RFID Tags

    Guibert, M., Massicart, A., Chen, X., He, H., Torres, J., Ukkonen, L. & Virkki, J., 2017, 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  31. Published

    Experimental study on UHF RFID tags integrated in medical bandage and paper-based materials

    Habib, H., Rizwan, M., Virkki, J. & Ukkonen, L., 2017, 2017 IEEE International Symposium on Antennas and Propagation USNC/URSI National Radio Science Meeting. IEEE, p. 2429-2430

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  32. Published

    Towards Environmentally Friendly RFID Applications: Fabrication of Antennas and Interconnections

    He, H., Tajima, J., Sydänheimo, L., Nishikawa, H., Ukkonen, L. & Virkki, J., 8 Aug 2016, Progress In Electromagnetics Research Symposium : PIERS 2016 in Shanghai, China, 8 August - 11 September, 2016.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  33. Published

    Experimental Study on Inkjet-Printed Passive UHF RFID Tags on Versatile Paper-Based Substrates

    He, H., Sydänheimo, L., Virkki, J. & Ukkonen, L., Aug 2016, In : International Journal of Antennas and Propagation. 2016, 9265159.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  34. Published

    3D-Printed Graphene Antennas and Interconnections for Textile RFID Tags: Fabrication and Reliability towards Humidity

    He, H., Akbari, M., Sydänheimo, L., Ukkonen, L. & Virkki, J., 5 Jun 2017, In : International Journal of Antennas and Propagation.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  35. Published

    Inkjet-printed antenna-electronics interconnections in passive UHF RFID tags

    He, H., Tajima, J., Sydanheimo, L., Nishikawa, H., Ukkonen, L. & Virkki, J., 4 Oct 2017, 2017 IEEE MTT-S International Microwave Symposium, IMS 2017. IEEE, p. 598-601 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  36. Published

    Fabrication and evaluation of 3D-printed heat and photonic cured graphene RFID tags on veneer

    He, H., Akbari, M., Ukkonen, L. & Virkki, J., 2017, 2017 International Applied Computational Electromagnetics Society Symposium (ACES). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Scientific › peer-review

    Full text: ExLibris SFX link
  37. Published

    3D-Printed Graphene and Stretchable Antennas for Wearable RFID Applications

    He, H., Akbari, M., Sydänheimo, L., Ukkonen, L. & Virkki, J., 2017, 2017 International Symposium on Antennas and Propagation (ISAP). 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  38. Published

    Fabrication and performance evaluation of 3D-printed graphene passive UHF RFID tags on cardboard

    He, H., Akbari, M., Chen, X., Nommeots-Nomm, A., Chen, L., Ukkonen, L. & Virkki, J., 22 May 2017, 2017 Progress in Electromagnetics Research Symposium - Spring, PIERS 2017. IEEE, p. 3322-3325 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  39. Published

    Textile-integrated three-dimensional printed and embroidered structures for wearable wireless platforms

    He, H., Chen, X., Ukkonen, L. & Virkki, J., 2019, In : Textile Research Journal. 89, 4

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  40. Published

    Fabrication and Performance Evaluation of Carbon-based Stretchable RFID Tags on Textile Substrates

    He, H., Chen, X., Mokhtari, O., Nishikawa, H., Ukkonen, L. & Virkki, J., Aug 2018, 2018 International Flexible Electronics Technology Conference (IFETC). IEEE, 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  41. Published

    Textile-Integrated Stretchable Structures for Wearable Wireless Platforms

    He, H., Chen, X., Mokhtari, O., Nishikawa, H., Ukkonen, L. & Virkki, J., Sep 2018, 2018 7th Electronic System-Integration Technology Conference (ESTC). IEEE, 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  42. Published

    Fabrication and Evaluation of Carbon-based Flexible RFID Tags on 3D-printed substrates

    He, H., Chen, X., Ukkonen, L. & Virkki, J., 1 Oct 2018, 2018 International Symposium on Antennas and Propagation (ISAP). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  43. Published

    Clothing-Integrated Passive RFID Strain Sensor Platform for Body Movement-Based Controlling

    He, H., Chen, X., Ukkonen, L. & Virkki, J., 7 Nov 2019, 2019 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE, p. 236-239 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  44. Published

    Performance of silver-based textile UHF passive RFID tags after recurrent washing

    Kazmi, A., Virkki, J., Björninen, T. & Ukkonen, L., 26 Jun 2016, Proceedings of IEEE International Symposium on Antennas and Propagation. IEEE, p. 939–940

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  45. Published

    A Reliability Study of Coating Materials for Brush-painted Washable Textile RFID Tags

    Kazmi, A., Rizwan, M., Sydänheimo, L., Ukkonen, L. & Virkki, J., 2016, 2016 6th Electronic System-Integration Technology Conference (ESTC). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  46. Published

    Towards Washable Wearable Antennas: A Comparison of Coating Materials for Screen-Printed Textile-Based UHF RFID Tags

    Kellomäki, T., Virkki, J., Merilampi, S. & Ukkonen, L., 2012, In : International Journal of Antennas and Propagation. p. 1-11 11 p., 476570.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  47. Published

    Performance Comparison of Inkjet and Thermal Transfer Printed Passive UHF RFID Tags

    Kgwadi, M., Rizwan, M., Adhur Kutty, A., Virkki, J., Ukkonen, L. & Drysdale, T. D., 23 Aug 2016, In : IET Microwaves, Antennas & Propagation.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  48. Published

    Strain Reliability of Embroidered Passive UHF RFID Tags on 3D-printed Substrates

    Khan, Z., Rizwan, M., Rusanen, R., Ukkonen, L. & Virkki, J., 1 Mar 2019, 13th European Conference on Antennas and Propagation, EuCAP 2019. IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  49. Published

    Glove-Integrated Passive UHF RFID Tags—Fabrication, Testing and Applications

    Khan, Z., Chen, X., He, H., Xu, J., Wang, T., Cheng, L., Ukkonen, L. & Virkki, J., Sep 2019, In : IEEE Journal of Radio Frequency Identification. 3, 3, p. 127-132 6 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  50. Published

    Development and Implementation of an RFID-Based Tunnel Access Monitoring System

    Kordelin, K., Kordelin, J., Johansson, M., Virkki, J., Ukkonen, L. & Sydänheimo, L., 2016, In : SCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS. 2016, 10 p., 9897675.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  51. Published

    Experimental Study on RFID Antenna Reading Areas in a Tunnel System

    Kordelin, K., Kordelin, J., Johansson, M., Virkki, J., Ukkonen, L. & Sydänheimo, L., Aug 2017, In : Journal of Engineering. 15 p., 3850835.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  52. Published

    Optimization of RFID-Based Tunnel Access Monitoring System Antenna Reading Areas

    Kordelin, K., Virkki, J., Kordelin, J., Kuusman, J., Mattila, J., Johansson, M., Ukkonen, L. & Sydänheimo, L., 1 Mar 2019, 13th European Conference on Antennas and Propagation, EuCAP 2019. IEEE, 8739592

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  53. Published

    Electro-textiles – The enabling technology for wearable antennas in wireless body-centric sensing systems

    Koski, K., Moradi, E., Hasani, M., Virkki, J., Björninen, T., Rahmat-Samii, Y. & Ukkonen, L., Jul 2015, 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting July 19-24, 2015 • Vancouver, BC, Canada. IEEE, p. 1203-1204

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  54. Published

    Circularly Polarized Textile Tag Antenna for Wearable Passive UHF RFID Systems

    Kuang, Y., Ma, S., Ukkonen, L., Virkki, J. & Björninen, T., 18 Mar 2019, 2018 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2018. IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  55. Published

    System level reliability testing for high reliability devices

    Kuusiluoma, S., Kiilunen, J. & Virkki, J., 2007, 9th Electronics Packaging Technology Conference (EPTC 2007), December 10-12, 2007, Grand Copthorne Waterfront, Singapore. p. 897-901

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  56. Published

    Personal Perspectives for Smart Vehicles and Driving

    Liu, Y., Zhai, Y., Yang, M., Long, F. & Virkki, J., 2014, In : Journal of Emerging Trends in Computing and Information Sciences. 5, 9, p. 682-689 8 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  57. Published

    Brush-painting and photonical sintering of copper and silver inks on cotton fabric to form antennas for wearable ultra-high-frequency radio-frequency identification tags

    Liu, J., Wang, J., Virkki, J., Björninen, T., Sydänheimo, L., Cheng, L. & Ukkonen, L., 2016, In : Textile Research Journal. 86, 15, p. 1616-1624

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  58. Published

    Electro-textile slotted patch antenna for wearable passive UHF RFID tags

    Liu, A., Wei, Z., Chen, X., Ukkonen, L., Virkki, J. & Björninen, T., 2017, Proceedings of 2017 IEEE Radio and Wireless Symposium. IEEE, p. 177–179

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  59. Published

    Implementation and wireless readout of passive UHF RFID strain sensor tags based on electro-textile antennas

    Long, F., Zhang, X. D., Björninen, T., Virkki, J., Sydänheimo, L., Chan, Y-C. & Ukkonen, L., Apr 2015, European Conference on Antennas and Propagation April 12-17, 2015 • Lisbon, Portugal. IEEE, 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  60. Published

    Fabrication and Moisture Reliability of Painted and Electro-Textile Tags for Wearable RFID Applications

    Massicart, A., Maxime, G., Torres, J., Chen, X., He, H., Ukkonen, L. & Virkki, J., 2017, 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  61. Published

    Clothing-integrated RFID-based Interface for Human-Technology Interaction

    Mehmood, A., Qureshi, S., He, H., Chen, X., Ahmed, S., Merilampi, S., Raumonen, P., Ukkonen, L. & Virkki, J., 28 Oct 2019, 2019 IEEE 7th International Conference on Serious Games and Applications for Health (SeGAH). IEEE, 5 p. ( IEEE International Conference on Serious Games and Applications for Health).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  62. Published

    Testing the effects of temperature and humidity on printed passive UHF RFID tags on paper substrate

    Merilampi, S., Virkki, J., Ukkonen, L. & Sydänheimo, L., 2014, In : International Journal of Electronics. 101, p. 711-730 22 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  63. Published

    The Possibilities of Passive UHF RFID Textile Tags as Comfortable Wearable Sweat Rate Sensors

    Merilampi, S., He, H., Sydänheimo, L., Ukkonen, L. & Virkki, J., 8 Aug 2016, Progress In Electromagnetics Research Symposium: PIERS 2016 in Shanghai, China, 8 August - 11 September, 2016. p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  64. Published

    The Cognitive Mobile Games for Older Adults - A Chinese User Experience Study

    Merilampi, S., Koivisto, A., Sirkka, A., Raumonen, P., Virkki, J., Xiao, X., Min, Y., Ye, L., Chujun, X. & Chen, J., 2017, 2017 IEEE 5th International Conference on Serious Games and Applications for Health (SeGAH). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  65. Published

    Activation game for older adults - Development and initial user experiences

    Merilampi, S., Koivisto, A. & Virkki, J., 29 Jun 2018, 2018 IEEE 6th International Conference on Serious Games and Applications for Health, SeGAH 2018. IEEE, p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  66. Published

    User-driven development with scientific applied research - RFID-controlled physiogame case study

    Merilampi, S., Ihanakangas, V. & Virkki, J., 1 Sep 2019, 2019 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE, p. 167-170 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  67. Published

    A Smart Chair Physiotherapy Exergame for Fall Prevention – User Experience Study

    Merilampi, S., Mulholland, K., Ihanakangas, V., Ojala, J., Valo, P. & Virkki, J., 28 Oct 2019, 2019 IEEE 7th International Conference on Serious Games and Applications for Health (SeGAH). IEEE, 5 p. (IEEE International Conference on Serious Games and Applications for Health).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  68. Published

    Wearable RFID perspiration sensor tags for well-being applications – From laboratory to field use

    Mulholland, K., Virkki, J., Raumonen, P. & Merilampi, S., 2018, EMBEC and NBC 2017 - Joint Conference of the European Medical and Biological Engineering Conference EMBEC 2017 and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics, NBC 2017. Springer Verlag, p. 1012-1015 4 p. (IFMBE Proceedings; vol. 65).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  69. Published

    Referenced backscattering compression level indicator based on passive UHF RFID tags

    Qureshi, S., Björninen, T. & Virkki, J., 26 Sep 2018, 2018 IEEE International Conference on RFID Technology & Application (RFID-TA). IEEE, 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  70. Published

    Optimisation of manufacturing parameters for inkjet-printed and photonically sintered metallic nanoparticle UHF RFID tags

    Ren, Y., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2014, In : Electronics Letters. 50, 21, p. 1504-1505 2 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  71. Published

    Brush-painted silver UHF RFID tags on environmental-friendly and flexible substrates

    Ren, Y., Virkki, J., Sydänheimo, L., Ukkonen, L. & Chan, Y-C., 2015, 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, p. 1314-1315 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  72. Published

    Comparative study of inkjet and thermal printing for fabrication of passive UHF RFID tags

    Rizwan, M., Adhur Kutty, A., Kgwadi, M., Drysdale, T. D., Ukkonen, L. & Virkki, J., 11 Apr 2016, 2016 10th European Conference on Antennas and Propagation (EuCAP). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  73. Published

    Reliability study of flexible inkjet- and thermal-printed RFID antennas in high humidity conditions

    Rizwan, M., Adhur Kutty, A., Kgwadi, M., Drysdale, T. D., Ukkonen, L. & Virkki, J., 11 Apr 2016, 2016 10th European Conference on Antennas and Propagation (EuCAP). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  74. Published

    Characterization of Nanoparticle Inks on a Novel Polyester-based Substrate for Manufacturing of Passive UHF RFID Tags

    Rizwan, M., Adhur Kutty, A., Kgwadi, M., Drysdale, T. D., Sydänheimo, L., Ukkonen, L. & Virkki, J., 30 Jun 2016, 2016 IEEE International Symposium on Antennas and Propagation (APSURSI). IEEE, p. 937-938 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  75. Published

    Possibilities of Fabricating Copper-based RFID Tags with Photonic-sintered Inkjet Printing and Thermal Transfer Printing

    Rizwan, M., Adhur Kutty, A., Kgwadi, M., Drysdale, T. D., Sydänheimo, L., Ukkonen, L. & Virkki, J., 2017, In : IEEE Antennas and Wireless Propagation Letters. 16, p. 1828-1831 4 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  76. Published

    Flexible and stretchable 3D printed passive UHF RFID tag

    Rizwan, M., Khan, W., He, H., Virkki, J., Sydänheimo, L. & Ukkonen, L., 20 Jul 2017, In : Electronics Letters. 53, 15, p. 1054-1056

    Research output: Contribution to journal › Letter › Scientific › peer-review

    Full text: ExLibris SFX link
  77. Published

    Flexible and Stretchable Brush-Painted Wearable Antenna on a 3D Printed Substrate

    Rizwan, M., Khan, W., Sydänheimo, L., Virkki, J. & Ukkonen, L., 14 Oct 2017, In : IEEE Antennas and Wireless Propagation Letters. 16

    Research output: Contribution to journal › Letter › Scientific › peer-review

    Full text: ExLibris SFX link
  78. Published

    Embroidered passive UHF RFID tag on flexible 3D printed substrate

    Rizwan, M., Maxime, G., Massicart, A., Torres, J., Sydänheimo, L., Ukkonen, L., Björninen, T. & Virkki, J., 19 Nov 2017, 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL). IEEE, 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  79. Published

    The Possibilities of Embroidered Passive UHF RFID Textile Tags as Wearable Moisture Sensors

    Shuaib, D., Ukkonen, L., Virkki, J. & Merilampi, S., 2017, 2017 IEEE 5th International Conference on Serious Games and Applications for Health (SeGAH). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  80. Published

    Experimental Study on Brush-Painted Metallic Nanoparticle UHF RFID Tags on Wood Substrates

    Sipilä, E., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2014, In : IEEE Antennas and Wireless Propagation Letters. 14, p. 301-304 4 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  81. Published

    Effect of Sintering Method on the Read Range of Brush-painted Silver Nanoparticle UHF RFID Tags on Wood and Polyimide Substrates

    Sipilä, E., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2014, 2014 IEEE RFID Technology and Applications Conference, 8-9 September, 2014, Tampere, Finland. p. 219-222 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  82. Published

    Parametric optimization of inkjet printing and optical sintering of nanoparticle inks

    Sipilä, E., Ren, Y., Virkki, J., Sydänheimo, L., Tentzeris, M. M. & Ukkonen, L., 1 Apr 2015, 2015 9th European Conference on Antennas and Propagation (EuCAP). p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  83. Published

    Heat-sintered and photonically sintered brush-painted silver UHF RFID tags on plywood substrates

    Sipilä, E., Virkki, J., Sydänheimo, L. & Ukkonen, L., 1 May 2015, 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). p. 1-1 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  84. Published

    Experimental study on brush-painted passive RFID-based humidity sensors embedded into plywood structures

    Sipilä, E., Virkki, J., Sydänheimo, L. & Ukkonen, L., 2016, In : International Journal of Antennas and Propagation. 2016, 1203673.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  85. Published

    Brush-Painting and Photonic Sintering of Copper Oxide and Silver Inks on Wood and Cardboard Substrates to Form Antennas for UHF RFID Tags

    Sipilä, E., Virkki, J., Wang, J., Sydänheimo, L. & Ukkonen, L., 2016, In : International Journal of Antennas and Propagation. 2016, 3694198.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  86. Published

    Additive Manufacturing of Antennas from Copper Oxide Nanoparticle Ink: Toward Low-Cost RFID Tags on Paper- and Textile-based Platforms

    Sipilä, E., Liu, J., Wang, J., Virkki, J., Björninen, T., Cheng, L., Sydänheimo, L. & Ukkonen, L., 10 Apr 2016, 2016 10th European Conference on Antennas and Propagation (EuCAP) . IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  87. Published

    Reliability of Passive UHF RFID Copper Tags on Plywood Substrate in High Humidity Conditions

    Sipilä, E., Virkki, J., Sydänheimo, L. & Ukkonen, L., 5 Jun 2016, The IMAPS Nordic Annual Conference Proceedings. IMAPS Nordic, p. 12-16 5 p. (Additional Conferences (Device Packaging, HiTEC, HiTEN, & CICMT).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  88. Published

    Improving the standard reliability tests for tantalum capacitors

    Virkki, J., 2010, Tampere: Tampere University of Technology. (Tampereen teknillinen yliopisto. Julkaisu; vol. 922)

    Research output: Book/Report › Doctoral thesis › Collection of Articles

    Full text: ExLibris SFX link
  89. Published

    Embedding passive RFID tags into wooden doors for identification and tracking

    Virkki, J., Björninen, T., Virtanen, J., Ukkonen, L., Sydänheimo, L. & Lim, M., 2013, In : International Journal of Radio Frequency Identification Technology and Applications. 4, 2, p. 181-196 16 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  90. Published

    Testing the effects of reflow on tantalum capacitors

    Virkki, J., Seppälä, T. & Raumonen, P., 2010, In : Microelectronics Reliability. 50, 9-11, p. 1650-1653

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  91. Published

    The Effects of Different Temperatures and Temperature Cycling on Breakdown Voltages of Tantalum Capacitors

    Virkki, J., 2012, In : INTERNATIONAL JOURNAL OF MODERN ENGINEERING RESEARCH. 2, 4, p. 1754-1756

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  92. Published

    Temperature Cycling of Tantalum Capacitors

    Virkki, J., 2013, In : Journal of Active and Passive Electronic Devices. 8, 2-3, p. 201-209 9 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  93. Published

    Manufacturing and applications of screen-printed RFID tags on paper substrate

    Virkki, J., Björninen, T., Merilampi, S., Sydänheimo, L. & Ukkonen, L., 2013, PIERS Proceedings, Progress in Electromagnetics Research Symposium, Stockholm, Sweden, August 12-15, 2013. p. 562-566 5 p. (Progress in Electromagnetics Research Symposium).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  94. Published

    The effects of recurrent stretching on the performance of electro-textile and screen-printed ultra-high-frequency radio-frequency identification tags

    Virkki, J., Björninen, T., Merilampi, S., Sydänheimo, L. & Ukkonen, L., 2015, In : Textile Research Journal. 294-301, 8

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  95. Published

    Perspectives for sharing photos of children online

    Virkki, J. & Chan, C. K., 2014, In : Journal of Social Sciences. 3, 2, p. 357-366 10 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  96. Published

    Brush-painted Silver Nanoparticle UHF RFID Tags on Fabric Substrates

    Virkki, J., Björninen, T., Sydänheimo, L. & Ukkonen, L., 2014, PIERS 2014 Guangzhou. Progress in electromagnetics research symposium. Proceedings. August 25-28, 2014. Guangzhou, China.. The Electromagnetics Academy, p. 2106-2110 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  97. Published

    Privacy of Wearable Electronics in the Healthcare and Childcare Sectors: A Survey of Personal Perspectives from Finland and the United Kingdom

    Virkki, J. & Aggarwal, R., 2014, In : Journal of Information Security. 5, 2, 10 p., 43831.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  98. Published

    Accelerated testing for failures of tantalum capacitors

    Virkki, J., Seppälä, T., Frisk, L. & Heino, P., 2010, In : Microelectronics Reliability. 50, 2, p. 217-219

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  99. Published

    Testing the effects of temperature cycling on tantalum capacitors

    Virkki, J. & Tuukkanen, S., 2010, In : Microelectronics Reliability. 50, 8, p. 1121-1124

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  100. Published

    Personal Perspectives: Individual Privacy in the IOT

    Virkki, J. & Chen, L., 2013, In : Advances in Internet of Things. 3, p. 21-26 6 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  101. Published

    Development of a matrix test board for capacitor reliability testing

    Virkki, J., Koskenkorva, A. & Frisk, L., 2010, In : Microelectronics Reliability. 50, 9-11, p. 1711-1714

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  102. Published

    Embedding Inkjet-printed Antennas into Plywood Structures for Identification and Sensing

    Virkki, J., Virtanen, J., Sydänheimo, L., Ukkonen, L. & Tentzeris, M., 2012, Proceedings of the IEEE 2012 International Conference on RFID -Technologies and Applications, RFID-TA, 5-7 November 2012, Nice, France. Piscataway, NJ: IEEE, p. 34-39 (IEEE International Conference on RFID-Technologies and Applications).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  103. Published

    Perspectives for Wearable Electronics in Healthcare and Childcare

    Virkki, J. & Raumonen, P., 2013, In : E-Health Telecommunication Systems and Networks. 2, 3, p. 58-63 6 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  104. Published

    Finnish perspectives for the IOT

    Virkki, J., 2013, In : American Journal of Networks and Communications. 2, 2, p. 23-27 5 p., 1.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  105. Published

    Usability of HTSL and LTSL tests at component level

    Virkki, J. & Tuukkanen, S., 2010, The Seventh International New Exploratory Technologies Conference NEXT 2010, October 19-21, 2010, University of Turku, Finland. p. 1-12 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  106. Published

    Challenges in Qualitative Accelerated Testing of WSN Hardware

    Virkki, J., Chen, L., Zhu, Y. & Meng, Y., 2011, In : Engineering. 3, 12, p. 1234-1239

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  107. Published

    Enhanced moisture stress test method for capacitors

    Virkki, J., Frisk, L., Heino, P. & Kuusiluoma, S., 2009, 4th IEEE Conference on ICIEA, Industrial Electronics and Applications, 25-17 May 2009, Xi'an, China. p. 4001-4004

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  108. Published

    Performance of UHF RFID tags printed directly on plywood structures

    Virkki, J., Merilampi, S., Ukkonen, L. & Sydänheimo, L., 2012, In : International Journal of RF Technologies. 3, 4, p. 283-302

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  109. Published

    Reliability of WSN Hardware

    Virkki, J., Zhu, Y., Meng, Y. & Chen, L., 2011, In : International Journal of Embedded Systems and Applications. 1, 2

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  110. Published

    Testing the Effects of Seacoast Atmosphere on Tantalum Capacitors

    Virkki, J. & Raumonen, P., 2011, In : Active and Passive Electronic Components. 2011, p. 1-9 9 p., 108423.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  111. Published

    Reliability of washable wearable screen printed UHF RFID tags

    Virkki, J., Björninen, T., Kellomäki, T., Merilampi, S., Shafiq, I., Ukkonen, L., Sydänheimo, L. & Chan, Y. C., 2014, In : Microelectronics Reliability. 54, 4, p. 840-846 7 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  112. Published

    Modifications of the 85/85 test and the temperature cycling test for tantalum capacitors

    Virkki, J., Sydänheimo, L. & Raumonen, P., 2011, In : Soldering and Surface Mount Technology. 23, 3, p. 168-176

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  113. Published

    Accelerated tests for the effects of power cycling on tantalum capacitors in a humid environment

    Virkki, J. & Raumonen, P., 2010, In : Journal of Microelectronics and Electronic Packaging. 7, 2, p. 111-116 6 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  114. Published

    Experimental Study on Antenna - IC Interconnections for Electro-textile RFID Tags

    Virkki, J., Tajima, J., Björninen, T., He, H., Sydänheimo, L., Ukkonen, L. & Nishikawa, H., 8 Aug 2016, Progress In Electromagnetics Research Symposium: PIERS 2016 in Shanghai, China, 8 August - 11 September, 2016.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  115. Published

    Strain Reliability and Substrate Specific Features of Passive UHF RFID Textile Tag Antennas

    Virkki, J., Björninen, T., Akbari, M. & Ukkonen, L., 2016, IEEE International Conference on Electronics, Circuits and Systems (ICECS). IEEE, p. 404-407

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  116. Published

    The Possibilities and Challenges of RFID-based Passive Wireless Components in Healthcare Applications

    Virkki, J., Merilampi, S. & Arroyo, S., 2016, Introduction to Smart eHealth and eCare Technologies. Merilampi, S. & Sirkka, A. (eds.). CRC Press, p. 149-156

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Professional

    Full text: ExLibris SFX link
  117. Published

    Wearable passive E-textile UHF RFID tag based on a slotted patch antenna with sewn ground and microchip interconnections

    Virkki, J., Wei, Z., Liu, A., Ukkonen, L. & Björninen, T., 2017, In : International Journal of Antennas and Propagation. 2017, 3476017.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  118. Published

    Embroidered antennas and antenna-electronics interfaces for wearable RFID tags

    Virkki, J., Chen, X., Björninen, T. & Ukkonen, L., 20 Sep 2017, IMWS-AMP 2017 International Microwave Workshop Series on Advanced Materials and Processes. IEEE, 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  119. Published

    Automated identification of plywood using embedded inkjet-printed passive UHF RFID tags

    Virtanen, J., Virkki, J., Sydänheimo, L., Tenzeris, M. & Ukkonen, L., 2013, In : IEEE Transactions on Automation Science and Engineering. 10, 3, p. 796-806 11 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  120. Published

    A Selective Ink Deposition Method for the Cost-Performance Optimization of Inkjet-Printed UHF RFID Tag Antennas

    Virtanen, J., Virkki, J., Elsherbeni, A. Z., Sydänheimo, L. & Ukkonen, L., 2012, In : International Journal of Antennas and Propagation. 2012, p. 1-9 9 p., 801014.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  121. Published

    Inkjet-Printed UHF RFID Tags on Renewable Materials

    Virtanen, J., Virkki, J., Ukkonen, L. & Sydänheimo, L., 2012, In : Advances in Internet of Things. 2, 4, p. 79-85

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  122. Published

    Towards washable electro-textile UHF RFID tags: reliability study of epoxy-coated copper fabric antennas

    Wang, S., Chong, N. L., Virkki, J., Björninen, T., Sydänheimo, L. & Ukkonen, L., 8 Nov 2015, In : International Journal of Antennas and Propagation. 424150.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  123. Published

    Wearable passive UHF RFID tag based on a split ring antenna

    Waris, B., Ukkonen, L., Virkki, J. & Björninen, T., 2017, Proceedings of 2017 IEEE Radio and Wireless Symposium. IEEE, p. 55–58

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  124. Published

    Comparison of wearable passive UHF RFID tags based on electro-textile dipole and patch antennas in body-worn configurations

    Wei, Z., Liu, A., Chen, X., Waris, B., Ukkonen, L., Björninen, T. & Virkki, J., 2017, Proceedings of 2017 IEEE Radio and Wireless Symposium. IEEE, p. 204–206

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link
  125. Published

    A Survey Study of the Usefulness and Concerns about Smart Home Applications from the Human Perspective

    Zhai, Y., Liu, Y., Yang, M., Long, F. & Virkki, J., 2014, In : Open Journal of Social Sciences. 2, 11, p. 119-126 8 p.

    Research output: Contribution to journal › Article › Scientific › peer-review

    Full text: ExLibris SFX link
  126. Published

    Impact of antenna-fiber alignment and recurrent stretching on the performance of passive UHF RFID tags based on textile antennas

    Zhang, X. D., Yang, M. H., Virkki, J., Björninen, T., Merilampi, S., Sydänheimo, L., Chan, Y-C. & Ukkonen, L., 2014, IEEE International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, 8-10 December, 2014, London, UK. Institute of Electrical and Electronics Engineers IEEE, p. 40-42 3 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    Full text: ExLibris SFX link

ID: 75693

Johanna Virkki

Academy Research FellowMember of Research Group
  • SM318

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