Publications

Journals

2021

  1. V. Manohar, S. Bhardwaj, S. B. Venkatakrishnan and J. L. Volakis, “VHF/UHF Ultrawideband Tightly Coupled Dipole Array for CubeSats,” in IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 702-708, 2021

  2.  A. D. Johnson, V. Manohar, S. B. Venkatakrishnan and J. L. Volakis, “Optimized Differential TCDA (D-TCDA) With Novel Differential Feed Structure,” in IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 464-472, 2021

  3. H. Zhao, U. De Silva, S. Pulipati, S. B. Venkatakrishnan, S. Bhardwaj, J. L. Volakis, S. Mandal and A. Madanayake., “A Broadband Multistage Self-Interference Canceller for Full-Duplex MIMO Radios,” in IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2021.3060792.

2020

  1. Song, P., Gogineni, S., Galkin, I.A., Volakis, J., Soderblom, J.M., Hayes, A.G., Reinisch, B.W., Giles, R.H., Sood, R., Zhang, H.L., Braaten, D., Melosh. H. J., Bruzzone. L., Venkatakrishnan. S. B., Yan. J. B., and O’Neil. C. R., “Feasibility Study of a High‐Resolution Shallow Surface Penetration Radar for Space Application“. Radio Science. https://doi.org/10.1029/2020RS007118

  2. A. D. Johnson, J. Zhong, M. Livadaru, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Wideband Dipole Array With Balanced Wideband Impedance Transformer (BWIT),” in IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 163-169, 2021, doi: 10.1109/OJAP.2020.3044471.

  3. A. Hovsepian, S. B. Venkatakrishnan and J. L. Volakis, “Active Feed Tuning for Excitation Symmetry in Simultaneous Transmit and Receive Antennas,” in IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 1, pp. 3-7, Jan. 2021, doi: 10.1109/LAWP.2020.3033489.

  4. A. D. Johnson, M. Nichols, S.B. Venkatakrishnan, and J.L.Volakis, “Reconfigurable log-periodic dipole array on textile“. IET Microwaves, Antennas & Propagation, 14(14), pp.1791-1794, 2020

  5. A. D. Johnson, J. Zhong, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Phased Array With Low-Angle Scanning and 46:1 Bandwidth,” in IEEE Transactions on Antennas and Propagation, vol. 68, no. 12, pp. 7833-7841, Dec. 2020, doi: 10.1109/TAP.2020.2998869.

  6. S. B. Venkatakrishnan, A. Hovsepian, A. D. Johnson, T. Nakatani, E. A. Alwan and J. L. Volakis, “Techniques for Achieving High Isolation in RF Domain for Simultaneous Transmit and Receive,” in IEEE Open Journal of Antennas and Propagation, vol. 1, pp. 358-367, 2020, doi: 10.1109/OJAP.2020.3009185.

  7. A. D. Johnson, V. Manohar, S. B. Venkatakrishnan and J. L. Volakis, “Low-Cost S-Band Reconfigurable Monopole/Patch Antenna for CubeSats,” in IEEE Open Journal of Antennas and Propagation, vol. 1, pp. 598-603, 2020, doi: 10.1109/OJAP.2020.3034051.

  8. A. D. Johnson, J. A. Caripidis, S. Bojja Venkatakrishnan, M. Ali and J. L. Volakis, “Deployable Inverted-Hat Monopole with 3:1 Constant Gain Bandwidth,” in IEEE Antennas and Wireless Propagation Letters, vol. 19, no. 6, pp. 935-938, June 2020

2019

  1. S. Bojja Venkatakrishnan, V. Mishra, M. Koenigs, T. Chiang and A. Kiourti, “Unintentional RF Energy Transfer During Tonsillectomy: An In Vitro Investigation,” in IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. doi: 10.1109/JERM.2019.2904872 

  2. C. Moncion, L. Balachandar, S. Bojja Venkatakrishnan, J. J. Riera and J. Volakis, “Fully-Passive Wireless Implant for Neuropotential Acquisition: An In Vivo Validation,” in IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. doi: 10.1109/JERM.2019.2895657 

2018

  1. J. L. Volakis, R. Hokayem, S. B. Venkatakrishnan, and E. A. Alwan. Low power & reduced hardware UWB beamformers for future 5G communications. IEICE Transactions on Communications (invited paper), 2018

  2. S. B. Venkatakrishnan, E. A. Alwan, and J. L. Volakis, “Wideband RF self-interference cancellation circuit for phased array simultaneous transmit and receive systems“, IEEE Access, 6:3425-3432, 2018

  3. S. B. Venkatakrishnan, E. L. Jones, and A. Kiourti, “Unintended RF energy coupling during endoscopy“, Wiley, Bioelectromagnetics, 39:7-82, 2018

2017

  1. S. B. Venkatakrishnan, E. A. Alwan, and J. L. Volakis, “Challenges in clock synchronization for on-site coding digital beamformer“, International Journal on Reconfigurable Computing, 2017, Article ID 7802735

  2. S. B. Venkatakrishnan, A. Akhiyat, E. A. Alwan, and J. L. Volakis, “Multiband and multibeam direction of arrival estimation using on-site coding digital beamformer“, IEEE Antennas and Wireless Propagation Letters , 16:2332–2335, 2017

  3. S. B. Venkatakrishnan, D. K. Papantonis, A. A. Akhiyat, E. A. Alwan, and J. L. Volakis, “Experimental validation of on-site coding digital  beamformer with ultra-wideband antenna arrays“, IEEE Transactions on Microwave Theory and Techniques , PP(99):1–10, 2017

  4. E.L. Jones, A. Madani, D.M. Overbey, A. Kiourti, S. Bojja-Venkatakrishnan, D.J. Mikami, J.W. Hazey, T.R. Arcomano, and T.N. Robinson, “Stray energy transfer during endoscopy“, Springer Surgical Endoscopy , pages 1–6, 2017

2015

  1. E. A. Alwan, S. B. Venkatakrishnan, A. A. Akhiyat, W. Khalil and J. L. Volakis, “Phase Error Evaluation in a Two-Path Receiver Front-End With On-Site Coding,” in IEEE Access, vol. 3, no. , pp. 55-63, 2015. doi: 10.1109/ACCESS.2015.2397697

  2. E. A. Alwan, S. B. Venkatakrishnan, A. A. Akhiyat, W. Khalil and J. L. Volakis, “Code Optimization for a Code-Modulated RF Front End,” in IEEE Access, vol. 3, no. , pp. 260-273, 2015. doi: 10.1109/ACCESS.2015.2419195

Conferences

2021

  1. N. Akram, A. Madanayake, S. B. Venkatakrishnan, J. L. Volakis, D. Psychogiou, T. L. Marzetta, and T. S. Rappaport, “Massive-MIMO and Digital mm-Wave Arrays on RF-SoCs using FDM for M-Fold Increase in Antennas per ADC/DAC,” 2021 IEEE Space Hardware and Radio Conference (SHaRC), San Diego, CA, USA, 2021, pp. 25-27, doi: 10.1109/SHaRC51853.2021.9375888.

  2. U. D. Silva, S. Pulipati, S. B. Venkatakrishnan, S. Bhardwaj and A. Madanayake, “A Passive STAR Microwave Circuit for 1-3 GHz Self-Interference Cancellation,” 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Springfield, MA, USA, 2020, pp. 105-108

  3. S. Bojja Venkatakrishnan, A. Hovsepian and J. L. Volakis, “Increased Isolation in Single and Multi-Antenna Full Duplex Wideband Radios,” 2021 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), 2021, pp. 053-053, doi: 10.1109/APWC52648.2021.9539622.

  4. J. A. C. Troceola, M. W. Nichols, A. D. Johnson, S. B. Venkatakrishnan, V. Manohar and J. L. Volakis, “Textile Electronics for EM Applications,” 2021 International Conference on Electromagnetics in Advanced Applications (ICEAA), 2021, pp. 392-392, doi: 10.1109/ICEAA52647.2021.9539766.

  5. K. Ullah, S. B. Venkatakrishnan and J. L. Volakis, “Low Power and Low Cost Millimeter-Wave Digital Beamformer Using An Orthogonal Coding Scheme,” 2021 USNC-URSI Radio Science Meeting (USCN-URSI RSM), 2021, pp. 064-068, doi: 10.23919/USNC-URSIRSM52661.2021.9552370.


2020

  1. U. D. Silva, S. Pulipati, S. B. Venkatakrishnan, S. Bhardwaj and A. Madanayake, “A Passive STAR Microwave Circuit for 1-3 GHz Self-Interference Cancellation,” 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Springfield, MA, USA, 2020, pp. 105-108

  2. A. D. Johnson, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Balanced Wideband Impedance Transformer (BWIT) for Common-Mode Resonance Cancellation in UWB Dipoles over a Ground Plane,” 2020 International Applied Computational Electromagnetics Society Symposium (ACES), Monterey, CA, USA, 2020, pp. 1-2

  3. J. A. C. Troccola, A. D. Johnson, S. B. Venkatakrishnan and J. L. Volakis, “Metallization Techniques for Wearable Textile Electronics,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1497-1498

  4. A. Hassan, M. A. Islam, A. D. Johnson, S. B. Venkatakrishnan and J. L. Volakis, “Wearable Sensor for High Accuracy Tissue Imaging using Reciprocity,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1085-1086

  5. A. Hovsepian, S. B. Venkatakrishnan and J. L. Volakis, “Active Excitation Tuning for Simultaneous Transmit and Receive Antennas,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 251-252

  6. M. R. Rahman, S. Bojja-Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Spread Spectrum Techniques with Channel Coding for Wideband Secured Communication Links,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1783-1784

  7. C. Moncion, S. Bojja-Venkatakrishnan, J. R. Diaz and J. L. Volakis, “Fully-Passive and Wireless Recording of Neural Activity in Freely Moving Animals,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1373-1374

  8. S. B. Venkatakrishnan, A. Hovsepian, E. A. Alwan, T. Nakatani and J. L. Volakis, “Comparison of RF Cancellation approaches for UWB STAR Radios,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1725-1726

  9. M. R. Islam, M. W. Nichols, A. D. Johnson, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Wideband Tightly Coupled Dipole Array (TCDA) With 5.4:1 Bandwidth on a Miura-Ori Pattern,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1685-1686

  10. R. Hokayem, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Frequency Independent Millimeter-Wave Beamformer via Cross-Mixing,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1325-1326

  11. S. Y. B. Sayeed, S. B. Venkatakrishnan, M. M. Monshi, A. Abdulhameed, J. L. Volakis and P. M. Raj, “3D Heterogeneous and Flexible Package Integration for Zero-Power Wireless Neural Recording,” 2020 IEEE 70th Electronic Components and Technology Conference (ECTC), Orlando, FL, USA, 2020, pp. 1003-1009

  12. S. B. Venkatakrishnan, A. Johnson, M. W. Nichols, J. A. C. Troccola and J. L. Volakis, “Dynamically Reconfigurable and Packable Multifunctional Origami Antennas and Arrays,” 2020 International Workshop on Antenna Technology (iWAT), Bucharest, Romania, 2020, pp. 1-2


2019

  1. M. Ali, S. B. Venkatakrishnan, A. Johnson and J. Volakis, “Miniaturization of UHF Antenna Using a Capacitive Hat and Parasitic Ring,” 2019 IEEE Indian Conference on Antennas and Propogation (InCAP), Ahmedabad, India, 2019, pp. 1-3

  2. A. D. Johnson, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “UWB Millimeter-Wave Phased Array with Differential Feed and Wide Scan Range,” 2019 IEEE International Symposium on Phased Array System & Technology (PAST), Waltham, MA, USA, 2019

  3. S. B. Venkatakrishnan, A. Hovsepian, E. A. Alwan and J. L. Volakis, “RF Cancellation of Coupled Transmit Signal and Noise in STAR across 1 GHz Bandwidth,” 2019 URSI International Symposium on Electromagnetic Theory (EMTS), San Diego, CA, USA, 2019, pp. 1-4

  4.  C. Moncion, S. Bojja-Venkatakrishnan, J. R. Diaz, and J. L. Volakis. “Recording critical epilepsy indicators using a fully-passive wireless system”. In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, pages 521–522, July 2019

  5. M. R. Rahman, S. Bojja- Venkatakrishnan, E. A. Alwan, and J. L. Volakis. “Spread spectrum techniques for interference mitigation in large bandwidth“. In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, pages 617–618, July 2019

  6. C. Moncion, J. Borges, L. Balachandar, S. B. Venkatakrishnan, J. R. Diaz and J. L. Volakis, “In Vivo Evaluation of a Fully-Passive Wireless Neurosensing System,” 2019 International Workshop on Antenna Technology (iWAT), Miami, FL, USA, 2019, pp. 37-40 

  7. A. D. Johnson, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Suppressing E-Plane Scan Resonance for UWB Millimeter-Wave Differential Phased Array,” 2019 International Applied Computational Electromagnetics Society Symposium (ACES), Miami, FL, USA, 2019, pp. 1-2. 

2018

  1. S. B. Venkatakrishnan, E. A. Alwan, and J.L. Volakis, “Simultaneous transmit and receive system with 1 GHz RF cancellation bandwidth,” In 2018 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (Boston, MA). IEEE, Jul 2018

  2. (Honorable Mention) C. Moncion, S. B. Venkatakrishnan, and J.L. Volakis, “Improved probes for fully-passive wireless recording of neural activation,” In 2018 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (Boston, MA). IEEE, Jul 2018 

  3. S. R. Govindarajulu, S. B. Venkatakrishnan, and J.L. Volakis, “Millimeter-wave wideband array for vehicle to vehicle communication,” In 2018 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (Boston, MA). IEEE, Jul 2018

  4. (Honorable Mention) A. Hovsepian, S. B. Venkatakrishnan, E. A. Alwan, and J.L. Volakis, “Wideband beam steering using a 4-arm spiral array for simultaneous transmit and receive (STAR) operation,” In 2018 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (Boston, MA). IEEE, Jul 2018 

  5. C. Moncion, S. B. Venkatakrishnan, and J.L. Volakis, “Low-impedance probes for wireless monitoring of neural activation,” In 2018 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), (Philadelphia, PA). IEEE, Jun 2018

  6. A. Hovsepian, S. B. Venkatakrishnan, E. A. Alwan and J. L. Volakis, “Wideband, scanning array for simultaneous transmit and receive,” 2018 International Applied Computational Electromagnetics Society Symposium (ACES), Denver, CO, 2018, pp. 1-2. 

  7. B. DeLong, C. W. Lee, A. Kiourti, S. B. Venkatakrishnan, and J.L. Volakis, “Wireless energy harvesting from 700-900 MHz“. In USNC-URSI National Radio Science Meeting, (Boulder CO). IEEE, Jan 2018

2017

  1. (Best paper award) S. Bojja-Venkatakrishnan, E. A. Alwan, and J. L. Volakis, “Multi-band Multi-beam Performance Evaluation of On-Site Coding Digital Beamformer using Ultra-Wideband Antenna Array“, In XXXIInd International Union of Radio Science General Assembly and Scientific Symposium – URSI 2017 GASS, (Montreal, QC, Canada), Aug 2017 

  2. S. Bojja-Venkatakrishnan, E. A. Alwan, and J. L. Volakis, “Wideband RF and Analog Self-Interference Cancellation Filter for Simultaneous Transmit and Receive System“, In 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (San Diego, CA), July 2017

  3. S. Bojja-Venkatakrishnan, E. L. Jones, and A. Kiourti, “Unintended RF Energy Coupling during Endoscopy“, In 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting APS/URSI, (San Diego, CA), July 2017

2016

  1. (Honorable Mention) S. B. Venkatakrishnan, A. A. Akhiyat, E. A. Alwan, and J. L. Volakis, “Dual-band validation of on-site coding receiver using ultra-wideband antenna array at c, x and ku-bands“. In 2016 IEEE International Symposium on Antennas and Propagation APS/URSI, (Puerto Rico), pages 1655-1656, June 2016 

  2. (Selected among 9 Top Posters / Posters of Distinction) L. Jones, A. Madani, D.M. Overbey, A. Kiourti, S. Bojja-Venkatakrishnan, D.J. Mikame, J.W. Hazey, and T.N. Robinson, “Stray Energy Transfer During Endoscopy: a new Mechanism for Complications,” Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) Annual Meeting, Boston, MA, Mar. 16–19, 2016.

  3. E.L. Jones, A. Madani, D.M. Overbey, A. Kiourti, S. Bojja-Venkatakrishnan, D.J. Mikami, J.W. Hazey, T. Arcomano, and T.N. Robinson, “Direct Energy Coupling during Endoscopic Polypectomy: Practical Implications,” American Society for Gastrointestinal Endoscopy (ASGE) Digestive Disease Week, San Diego, CA, May 21–24, 2016.

2015-2014

  1. S. B. Venkatakrishnan, A. A. Akhiyat, E. A. Alwan, W. Khalil and J. L. Volakis, “Phase characterization of an 8-channel on-site coding receiver for digital beamforming,” Radio Science Meeting (Joint with AP-S Symposium), 2015 USNC-URSI, Vancouver, BC, Canada, 2015, pp. 225-225. 

  2. (Honorable Mention) S. Bojja Venkatakrishnan, A. A. Akhiyat, E. A. Alwan, W. Khalil and J. L. Volakis, “Angle of arrival estimation across a 10∶1 bandwidth architecture using on-site coding receiver,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 512-513. 

  3. S. B. Venkatakrishnan, A. Akhiyat, E. A. Alwan, W. Khalil and J. L. Volakis, “Realization of a novel on-site coding digital beamformer using FPGAs,” Radio Science Meeting (Joint with AP-S Symposium), 2014 USNC-URSI, Memphis, TN, 2014, pp. 196-196. 

  4. B. V. Satheesh, R. Srivatsan, S. Raghavan and D. S. Kumar, “Antenna gain determination using a microwave CAD tool – HFSS,” Recent Advances in Microwave Theory and Applications, 2008. MICROWAVE 2008. International Conference on, Jaipur, 2008, pp. 916-919.