Book Chapters

  1. A. Lalbakhsh, R. B. V. B. Simorangkir, N. Bayat-Makou, A. A. Kishk, K. P. Esselle, “Advancements and artificial intelligence approaches in antennas for environmental sensing,” in Cognitive Data Science in Sustainable Computing, Artificial Intelligence and Data Science in Environmental Sensing, Cambridge, MA: Elsevier Inc., 2022, ch. 2, pp. 19–38.
  2. K. P. Esselle, B. A. Zeb, R. Hashmi, R. B. V. B. Simorangkir, “Antennas for wireless medical devices,” in Small Antennas for Small Mobile Terminals, Norwood, MA: Artech House, 2018, ch. 11, pp. 183–202.

Journals

  1. L. Chang, A. Iqbal, A. Basir, R. B. V. B. Simorangkir and I. B. Mabrouk, “Conformal MIMO ultra-wideband antenna design for high-speed wireless telemetry in capsule endoscopy systems,” IEEE Transactions on Antennas and Propagation, vol. 72, no. 7, pp. 5724-5732, 2024.
  2. S. Kumar, G. Moloudian, R. B. V. B. Simorangkir, D. R. Gawade, B. O’Flynn and J. L. Buckley, “Sub-GHz wrist-worn antennas for wireless sensing applications: A review,” IEEE Open Journal of Antennas and Propagation, vol. 5, no. 5, pp. 1258-1281, 2024.
  3. A. Alshammari, A. Iqbal, A. Basir, R. B. V. B. Simorangkir and I. B. Mabrouk, “Ultra-miniaturized dual-band implantable antenna for wireless capsule endoscopy,” IEEE Sensors Journal, vol. 24, no. 9, pp. 15210-15218, 2024.
  4. R. A. I. Asyari, M. Z. Wiranata, C. Li, R. B. V. B. Simorangkir and D. Teichmann, “60 GHz FMCW millimeter wave radar assisted with dual-layer wideband flexible metasurface for accurate wrist pulse monitoring,” IEEE Sensors Letters, vol. 8, no. 3, pp. 1-4, 2024.
  5. K. R. S. D. Gunawardhana, R. B. V. B. Simorangkir, G. B. McGuinness, M. S. Rasel, L. A. M. Colorado, S. S. Baberwal, T. E. Ward, B. O’Flynn, S. M. Coyle, “The potential of electrospinning to enable the realization of energy-autonomous wearable sensing systems,” ACS Nano, vol. 18, pp. 2649–2684, 2024.–ACS Editors’ Choice
  6. G. Moloudian, M. Hosseinifard, S. Kumar, R. B. V. B. Simorangkir, J. L. Buckley, C. Song, G. Fantoni, B. O’Flynn, “RF energy harvesting techniques for battery-less wireless sensing, industry 4.0 and Internet of Things: A review,” IEEE Sensors Journal, vol. 24, no. 5, pp. 5732-5745, 2024.
  7. N. Rather, J. L. Buckley, B. O’Flynn, M. Pigeon, R. B. V. B. Simorangkir, “A design methodology for sensing-ready concentric rings-based chipless RFID tags with effective spectrum use and high coding capacity,” IEEE Journal of Radio Frequency Identification, vol. 8, pp. 10-18, 2024.
  8. N. Rather, R. B. V. B. Simorangkir, J. L. Buckley, B. O’Flynn, S. Tedesco, “Deep learning assisted robust detection techniques for a chipless RFID sensor tag,” IEEE Transactions on Instrumentation and Measurement, vol. 73, pp. 1-10, 2024.
  9. R. B. V. B. Simorangkir, D. R. Gawade, T. Hannon, P. Donovan, S. Kumar, N. Rather, G. Moloudian, B. O’Flynn, J. L. Buckley, “Transparent epidermal antenna for unobtrusive human-centric internet of things applications,” IEEE Internet of Things Journal, vol. 11, no. 1, pp. 1164-1174, 2024.
  10. A. S. Md. Sayem, A. Lalbakhsh, K. P. Esselle, G. Moloudian, J. L. Buckley, R. B. V. B. Simorangkir, “Advancements, challenges, and prospects of water-filled antennas,” IEEE Access, vol. 11, pp. 8301-8323, 2023.
  11. K. Paul, D. R. Gawade, R. B. V. B. Simorangkir, B. O’Flynn, J. L. Buckley, A. Amann, S. Roy, “A concertina-shaped vibration energy harvester-assisted NFC sensor with improved wireless communication range,” IEEE Internet of Things Journal, vol. 9, no. 24, pp. 25474-25486, 2022.
  12. Md. A. Islam, A. K. Paul, B. Hossain, A. K. Sarkar, Md. M. Rahman, A. S. Md. Sayem, R. B. V. B. Simorangkir, Md. A. Shobug, J. L. Buckley, K. Chakrabarti, A. Lalbakhsh, “Design and analysis of GO coated high sensitivity tunable SPR sensor for OATR spectroscopic biosensing applications,” IEEE Access, vol. 10, pp. 103496-103508, 2022.
  13. A. S. Md. Sayem, A. Lalbakhsh, K. P. Esselle, J. L. Buckley, B. O’Flynn, R. B. V. B. Simorangkir, “Flexible transparent antennas: advancements, challenges, and prospects,” IEEE Open Journal of Antennas and Propagation, vol. 3, pp. 1109-1133, 2022.
  14. A. Nag, R. B. V. B. Simorangkir, D. R. Gawade, S. Nuthalapati, J. L. Buckley, B. O’Flynn, M. E. Altinsoy, S. C. Mukhopadhyay, “Graphene-based wearable temperature sensors: a review,” Materials and Design, vol. 221, p. 110971, 2022.
  15. M. Esfandiyari, A. Lalbakhsh, S. Jarchi, M. G. Miab, H. N. Mahtaj, R. B. V. B. Simorangkir, “Tunable terahertz filter/antenna-sensor using graphene-based metamaterials,” Materials and Design, vol. 220, p. 110855, 2022.
  16. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, A. Lalbakhsh, D. R. Gawade, B. O’Flynn, J. L. Buckley, “Flexible and transparent circularly polarized patch antenna for reliable unobtrusive wearable wireless communications,” Sensors, vol. 22, no. 3, p. 1276, 2022.
  17. A. Nag, R. B. V. B. Simorangkir, S. Sapra, J. L. Buckley, B. O’Flynn, Z. Liu, S. C. Mukhopadhyay, “Reduced graphene oxide-based composites for mechanical energy-harvesting applications: a review,” IEEE Sensors Journal, vol. 21, no. 23, pp. 26415–26425, 2021.
  18. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, D. Thalakotuna, A. Lalbakhsh, “An electronically-tunable, flexible and transparent antenna with unidirectional radiation pattern,” IEEE Access, vol. 9, pp. 147042–147053, 2021.
  19. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, R. Gharaei, A. Lalbakhsh, S. Shrestha, M. Zhadobov, R. Sauleau, “A conformal, dynamic pattern-reconfigurable antenna using conductive textile-polymer composite,” IEEE Transactions on Antennas and Propagation, vol. 69, no. 10, pp. 6175–6184, 2021.
  20. A. S. Md. Sayem, D. Le, R. B. V. B. Simorangkir, T. Bjorninen, K. P. Esselle, R. M. Hashmi, M. Zhadobov, “Optically transparent flexible robust circularly polarized antenna for UHF RFID tags,” IEEE Antennas and Wireless Propagation Letters, vol. 19, no. 12, pp. 2334–2338, 2020.
  21. B. Mohamadzade, R. B. V. B. Simorangkir, S. Maric, A. Lalbakhsh, K. P. Esselle, R. M. Hashmi, “Recent developments and state of the art of flexible reconfigurable antennas for communication systems,” Electronics, vol. 9, no. 9, p. 1375, 2020.
  22. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, R. M. Hashmi, H. Liu, “A method to develop flexible robust optically transparent unidirectional antennas utilizing pure water, PDMS and transparent conductive mesh,” IEEE Transactions on Antennas and Propagation, vol. 68, no. 10, pp. 6943–6952, 2020.
  23. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, A. Lalbakhsh, “A conformal ultrawideband antenna with monopole-like radiation pattern,” IEEE Transactions on Antennas and Propagation, vol. 68, no. 8, pp. 6383–6388, 2020.
  24. A. Lalbakhsh, A. Ghaderi, W. Mohyuddin, R. B. V. B. Simorangkir, N. Bayat-Makou, M. S. Ahmad, G. H. Lee, K. W. Kim, “A compact C-band bandpass filter with an adjustable dual-band suitable for satellite communication systems,” Electronics, vol. 9, no. 7, p. 1088, 2020.
  25. A. Lalbakhsh, M. Jamshidi, H. Siahkamari, A. Ghaderi, A. Golestanifar, R. Linhart, J. Talla, R. B. V. B. Simorangkir, K. Mandal “A compact lowpass filter for satellite communication systems based on transfer function analysis,” AEÜ – International Journal of Electronics and Communications, vol. 124, p. 153318, 2020.
  26. B. Mohamadzade, A. Lalbakhsh, R. B. V. B. Simorangkir, A. Rezaee, R. M. Hashmi, “Mutual coupling reduction in microstrip array antenna by employing cut side patches and EBG structures,” Progress in Electromagnetic Research M, vol. 89. pp. 179–187, 2020.
  27. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, Y. Chao-Oger, M. Zhadobov, R. Sauleau, “A conformal band-notched ultrawideband antenna with monopole-like radiation characteristics,” IEEE Antennas and Wireless Propagation Letters, vol. 19, no. 1, pp. 203–207, 2020.
  28. R. B. V. B. Simorangkir, D. Le, T. Bjorninen, A. S. Md. Sayem, M. Zhadobov, R. Sauleau, “Washing durability of PDMS-conductive fabric composite: realizing washable UHF RFID tags,” IEEE Antennas and Wireless Propagation Letters, vol. 18, no. 12, pp. 2572–2576, 2019.
  29. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, R. M. Hashmi, “Development of robust transparent conformal antennas based on conductive mesh-polymer composite for unobtrusive wearable applications,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 12, pp. 7216–7224, 2019.
  30. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, R. Gharaei, A. Lalbakhsh, “Monopole‐like and semi‐directional reconfigurable pattern antenna for wireless body area network applications,” Microwave and Optical Technology Letters, vol. 61, no. 12, pp. 2760–2765, 2019.
  31. T. Han, A. Nag, R. B. V. B. Simorangkir, N. Afsarimanesh, H. Liu, S. C. Mukhopadhyay, Y. Xu, M. Zhadobov, R. Sauleau, “Multifunctional flexible sensor based on laser-induced graphene,” Sensors, vol. 19, no. 16, p.3477, 2019.
  32. B. Mohamadzade, R. M. Hashmi, R. B. V. B. Simorangkir, R. Gharaei, S. U. Rehman, Q. H. Abbasi, “Recent advances in fabrication methods for flexible antennas in wearable devices: state of the art,” Sensors, vol. 9, no. 10, p. 2312, 2019.
  33. A. Nag, R. B. V. B. Simorangkir, E. Valentin, T. Bjorninen, L. Ukkonen, R. M. Hashmi, Subhas Chandra Mukhopadhyay, “A transparent strain sensor based on PDMS-embedded conductive fabric for wearable sensing applications,” IEEE Access, vol. 6, pp. 71020–71027, 2018.
  34. R. B. V. B. Simorangkir, Y. Yang, R. M. Hashmi, T. Bjorninen, K. P. Esselle, L. Ukkonen, “Polydimethylsiloxane-embedded conductive fabric: characterization and application for realization of robust passive and active flexible wearable antennas,” IEEE Access, vol. 6, pp. 48102-48112, 2018.
  35. R. B. V. B. Simorangkir, A. Kiourti, K. P. Esselle, “UWB wearable antenna with full ground plane based on PDMS-embedded conductive fabric,” IEEE Antennas and Wireless Propagation Letters, vol. 17, no. 3, pp. 493-496, 2018.
  36. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, B. A. Zeb, “A method to realize robust flexible electronically tunable antennas using polymer-embedded conductive fabric,” IEEE Transactions on Antennas and Propagation, vol. 66, no. 1, pp. 50–58, 2018.
  37. Y. Yang, R. B. V. B. Simorangkir, X. Zhu, Q. Xue, K. P. Esselle, “A novel boresight and conical pattern reconfigurable antenna with the diversity of 360o polarization scanning,” IEEE Transactions on Antennas and Propagation, vol. 65, no. 11, pp. 5747–5756, 2017.
  38. R. B. V. B. Simorangkir, Y. Yang, L. Matekovits, K. P. Esselle, “Dual-band dual-mode textile antenna on PDMS substrate for body-centric communications,” IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 677–680, 2017.
  39. Y. Yang, X. Zhu, K. Ma, R. B. V. B. Simorangkir, N. C. Karmakar, K. P. Esselle, “Development of wireless transducer for real-time remote patient monitoring,” IEEE Sensors Journal, vol. 16, no. 12, pp. 4669–4670, 2016.
  40. R. B. V. B. Simorangkir and Y. Lee, “A planar dual-band periodic leaky-wave antenna based on a mu-negative (MNG) transmission line,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 5, pp. 2370–2374, 2015.
  41. R. B. V. B. Simorangkir and A. Munir, “Numerical design of ultra-wideband printed antenna for surface penetrating radar application,” TELKOMNIKA Indonesian Journal of Electrical Engineering, vol. 9, no. 2, pp. 341–350, 2011.

Conferences

  1. E. S. Skalinski, R. B. V. B. Simorangkir, and I. B. Mabrouk, “300 GHz stacked AFSIW LTCC horn array antenna with integrated lenses for V2V,” in Proc. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 2449-2450.
  2. W. J. Bourne, R. B. V. B. Simorangkir and I. B. Mabrouk, “Optimising optical transparency and RF performance in meshed 5G vehicular antennas,” in Proc. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 2241-2242.
  3. A. Alshammari, A. Iqbal, R. B. V. B. Simorangkir, S. Hongjian, and I. B. Mabrouk., “Ultra-miniaturized in-band full-duplex implantable antenna for wireless capsule endoscopy,” in Proc. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 2401-2402.
  4. A. Alghamdi, A. Basir, A. Iqbal, R. B. V. B. Simorangkir, and I. B. Mabrouk, “Compact implantable antenna with ultra-wide bandwidth for leadless pacemaker,” in Proc. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 369-370.
  5. S. Kumar, D. R. Gawade, R. B. V. B. Simorangkir, G. Moloudian, M. Belcastro, P. Torchia, A. Federico, J. L. Buckley, B. O’Flynn, “A battery-less contact lens sensor prototype with enhanced performance for cattle health monitoring,” in Proc. 2024 IEEE Sensors Applications Symposium (SAS), Naples, Italy, 2024, pp. 1-5
  6. N. Rather, R. B. V. B. Simorangkir, J. L. Buckley, B. O’Flynn, and S. Tedesco, “Machine learning approaches for EM signature analysis in chipless RFID technology,” in Proc. 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, United Kingdom, 2024, pp. 1-5.
  7. N. Rather, R. B. V. B. Simorangkir, J. L. Buckley, B. O’Flynn, S. Tedesco, “Evaluation of a U-shaped convolutional neural network for RCS based chipless RFID systems,“ in Proc. 2023 IEEE International Conference RFID Technology and Applications, Aveiro, Portugal, Sept. 2023, pp. 65-66.–Finalist Best Student Paper Competition
  8. N. Rather, R. B. V. B. Simorangkir, C. O’Donnell, D. R. Gawade, J. L. Buckley, B. O’Flynn, S. Tedesco, “A novel robot based data acquisition methodology for chipless RFID systems,“ in Proc. 2023 IEEE International Conference RFID Technology and Applications, Aveiro, Portugal, Sept. 2023, pp. 49-52.
  9. D. R. Gawade, S. Kumar, R. B. V. B. Simorangkir, B. O’Callaghan, D. Iacopino, N. Rather, B. O’Flynn, J. L. Buckley, “Performance characterization of a battery-less NFC sensor for museum artifact monitoring,” in Proc. 34th Irish Signals and Systems Conference (ISSC), Dublin, Ireland, June 2023, pp. 1-7.
  10. N. Rather, R. B. V. B. Simorangkir, J. L. Buckley, B. O’Flynn, S. Tedesco, “Evaluation of machine learning models for a chipless RFID sensor tag,” in Proc. 17th European Conference on Antennas and Propagation (EuCAP), Florence, Italy, Mar. 2023, pp. 1-5.
  11. D. R. Gawade, R. B. V. B. Simorangkir, S. Kumar, M. Belcastro, B. O’Flynn, J. L. Buckley, “A battery-less NFC sensor transponder for cattle health monitoring,” in Proc. 2023 IEEE Applied Sensing Conference (APSCON), Bengaluru, India, Jan. 2023, pp. 1-3.
  12. N. Rather, R. B. V. B. Simorangkir, J. L. Buckley, B. O’Flynn, “Flexible and semi-transparent chipless RFID tag based on PDMS-conductive fabric composite,” in Proc. 2022 International Workshop on Antenna Technology (iWAT), Dublin, Ireland, May. 2022, pp. 33-36.–Best Student Paper Award
  13. S. Kumar, R. B. V. B. Simorangkir, D. R. Gawade, A, Quinn, B. O’Flynn, J. L. Buckley, “An 868 MHz bandage type antenna using aluminum conductor and PDMS substrate,” in Proc. 2022 International Workshop on Antenna Technology (iWAT), Dublin, Ireland, May. 2022, pp. 90-92.
  14. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, J. L. Buckley, “A conformal and transparent frequency reconfigurable water antenna,” in Proc. 16th European Conference on Antennas and Propagation (EuCAP), Madrid, Spain, Mar. 2022, pp. 1-4.–Convened Paper
  15. A. Arayeshnia, A. Hajbagheri, M. Rafiee, R. B. V. B. Simorangkir, A. Lalbakhsh, “Transparent spherical spiral antenna for capsule endoscopy systems,” in Proc. 16th European Conference on Antennas and Propagation (EuCAP), Madrid, Spain, Mar. 2022, pp. 1-3.
  16. R. B. V. B. Simorangkir, B. Mohamadzade, A. Lalbakhsh, S. Kumar, J. L. Buckley, T. Bjorninen, B. O’Flynn, “Conformal antenna with reconfigurability of monopole-like and broadside patterns realized with polymer-conductive textile composite,” in Proc. 51st European Microwave Conference (EuMC), London, UK, Feb. 2022, pp. 63-66.
  17. R. B. V. B. Simorangkir, B. O’Flynn, D. R. Gawade, J. L. Buckley, T. Hannon, P. Donovan, R. Newberry, “Flexible antenna on polymer-conductive textile composite for epidermal electronics,” in Proc. 2021 IEEE International Symposium on Antennas and Propagation (APSURSI), Singapore, Dec. 2021, pp. 817-818.
  18. R. B. V. B. Simorangkir, D. R. Gawade, S. Kumar, B. O’Flynn, J. L. Buckley, T. Hannon, P. Donovan, R. Newberry, “Screen printed epidermal antenna for IoT health monitoring,” in Proc. 2021 Asia Pacific Microwave Conference (APMC), Brisbane, Australia, Nov. 2021, pp. 395-397.
  19. D. R. Gawade, R. B. V. B. Simorangkir, D. Zorbas, S. Kumar, S. Ziemann, D. Iacopino, J. Barton, K. Schuhmann, M. Anders, B. O’Flynn, J. L. Buckley, “A museum artefact monitoring testbed using LoRaWAN,” in Proc. 26th IEEE Symposium on Computers and Communications (ISCC), Athens, Greece, Sept. 2021, pp. 1-3.
  20. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, R. M. Hashmi, “Performance improvement of a water-based transparent and flexible unidirectional antenna,” in Proc. 15th European Conference on Antennas and Propagation (EuCAP), Dusseldorf, Germany, Mar. 2021, pp. 1–4.
  21. B. Mohamadzade, R. M. Hashmi, R. B. V. B. Simorangkir, A. Lalbakhsh, “A planar dynamic pattern-reconfigurable antenna,” in Proc. 15th European Conference on Antennas and Propagation (EuCAP), Dusseldorf, Germany, Mar. 2021, pp. 1–3.
  22. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, A. Lalbakhsh, “UWB antenna for application in impulse radio regime,” in Proc. 2020 Asia Pacific Microwave Conference (APMC), Hong Kong, China, Dec. 2020, pp. 682–684.
  23. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, S. M. Abbas, “A flat and thin wideband antenna with band-notch and monopole-like radiation characteristics,” in Proc. 2020 IEEE International Symposium on Antennas and Propagation (APSURSI), Montreal, Canada, July 2020, pp. 115–116.
  24. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, K. P. Esselle, “A low profile, UWB circular patch antenna with monopole-like radiation characteristics,” in Proc. 2020 International Workshop on Antenna Technology (iWAT), Bucharest, Rumania, Feb. 2020, pp. 1–3.–Best Student Poster Award
  25. B. Mohamadzade, R. B. V. B. Simorangkir, R. M. Hashmi, S. Shrestha, “Low-profile pattern reconfigurable antenna for wireless body area networks,” in Proc. 2019 Int. Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, Sept. 2019, pp. 546–547.
  26. M. N. Hasan, R. B. V. B. Simorangkir, K. P. Esselle and S. Shad, “Differentially fed CDRA array with phase inverter for high gain and reduced cross polarization,” in Proc. 2019 IEEE International Symposium on Antennas and Propagation (APSURSI) and USNC-URSI Radio Science Meeting, Atlanta, USA, Jul. 2019, pp. 65–66.
  27. A. S. Md. Sayem, R. B. V. B. Simorangkir, K. P. Esselle, R. M. Hashmi, “Feasibility study of PDMS-embedded transparent conductive fabric for the realization of transparent flexible antennas,” in Proc. 13th European Conference on Antennas and Propagation (EuCAP), Krakow, Poland, Apr. 2019, pp. 1–4.
  28. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, “Robust implementation of flexible wearable antennas with PDMS-embedded conductive fabric,” in Proc. 12th European Conference on Antennas and Propagation (EuCAP), London, UK, Apr. 2018, pp. 1–5.–Convened Paper
  29. R. B. V. B. Simorangkir, M. Li, Y. Yang, K. Xu, K. P. Esselle, E. Dutkiewicz, “360-degree polarization scanning with the diversity of boresight and conical patterns switching,” in Proc. 12th European Conference on Antennas and Propagation (EuCAP), London, UK, Apr. 2018, pp. 1–5.
  30. R. B. V. B. Simorangkir, S. Feng, A. Sadat Md. Sayem, K. P. Esselle, Y. Yang, “PDMS-embedded conductive fabric: A simple solution for fabricating PDMS-based wearable antennas with robust performance,” in Proc. 12th Int. Symposium on Medical Information and Communication Technology (ISMICT), Sydney, Australia, 2018, pp. 1–3.–Invited Paper
  31. A. Munir, R. B. V. B. Simorangkir, F. Kurniawan, “Late-time ringing characterization of cavity-backed UWB printed monopole antenna,” in Proc. 2017 IEEE Conf. on Antenna Measurements and Applications (CAMA), Tsukuba, Japan, Dec. 2017, pp. 419–422.
  32. A. Munir and R. B. V. B. Simorangkir, “Performance enhancement of cavity-backed UWB printed monopole antenna,” in Proc. 2017 Asia Pacific Microwave Conference (APMC), Kuala Lumpur, Malaysia, Nov. 2017, pp. 584–587.
  33. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, Y. Diao, “A varactor-tuned frequency reconfigurable fabric antenna embedded in polymer: assessment of suitability for wearable applications,” in Proc. 2017 IEEE MTT-S Int. Microwave Symposium (IMS), Honololu, USA, Jun. 2017, pp. 204–207.–Finalist Student Paper and Advanced Practice Paper Competitions
  34. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, “Performance of embroidered higher-order mode antennas with different stitching patterns,” in Proc. 11th European Conference on Antennas and Propagation (EuCAP), Paris, France, Mar. 2017, pp. 177–180.
  35. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, “Double-layer embroidery strategy for fabrication of textile antennas with improved efficiency,” in Proc. 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, Canada, Jul. 2016, pp. 1–2.–Invited Paper
  36. A. Kiourti, J. L. Volakis, R. B. V. B. Simorangkir, S. Muzahir Abbas, K. P. Esselle, “UWB antennas on conductive textiles,” in Proc. 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, USA, Jul. 2016, pp. 1941–1942.
  37. R. B. V. B. Simorangkir, Y. Yang, K. P. Esselle, L. Matekovits, S. M. Abbas, “A simple dual-band dual-mode antenna for off-/on-body centric communications,” in Proc. 10th European Conference on Antennas and Propagation (EuCAP), Davos, Switzerland, Apr. 2016, pp. 1–3.–Convened Paper
  38. R. B. V. B. Simorangkir, S. M. Abbas, K. P. Esselle, “A printed UWB antenna with full ground plane for WBAN applications,” in Proc. 2016 International Workshop on Antenna Technology (iWAT), Cocoa Beach, USA, Mar. 2016, pp. 127–130.–Invited Paper
  39. R. B. V. B. Simorangkir, S. M. Abbas, K. P. Esselle, “Robust wideband printed antennas for body-centric communications,” in Proc. 10th International Conference on Body Area Networks (BodyNets 2015), Sydney, Australia, Sept. 2015, pp. 107–109.–Keynote Paper