Journal Articles



  • (accepted) N. Garcia and J. Chisum, “Compound GRIN Lens Fanbeam Antenna for Wide-angle Scanning," to be presented at the IEEE Ant. Propag. Symp. and USNC URSI, Marina Bay Sands, Singapore, Dec 2021.
  • N. Estes and J. Chisum, “A 10MHz-1GHz Mitigated Shunt Capacitance Hybrid LNA for Use in a Ka-Band Envelope
    Detector Baseband Output,” presented at the 2021 USNC URSI National Radio Science Meeting, Boulder
    CO (virtual), Jan, 2021.
  • H. Aquino, D. Connelly, A. Orlov, J. Chisum, G. H. Bernstein and W. Porod, "Using Coplanar Waveguides as Spin-Wave Sources with Improved Bandwidth," 2020 Device Research Conference (DRC), Columbus, OH, USA, 2020, pp. 1-2,, DOI: 10.1109/DRC50226.2020.9135163
  • H. Aquino, D. Connelly, A. Papp, A. Orlov, J. Chisum, G. H. Bernstein, W. Porod, "Towards a Chip-Scale Millimeter-Wave Spectrum/Signal Analyzer Using Spin-Wave Diffraction and Interference," 2020 IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, HI, USA, 2020, pp. 127-128,, DOI: 10.1109/SNW50361.2020.9131613.
  • N. Garcia and J. Chisum, “Wide-angle Beam-scanning with Squinted Feed Elements,” in Proc. of 2020 IEEE
    Ant. Propag. Symp. and USNC URSI, Montreal, CA, Jul 2020.
  • K. Gao, J. N. Laneman, N. J. Estes, J. Chisum, and B. Hochwald, “Channel Estimation with One-Bit Transceivers in a Rayleigh Environment,” in Proc. 2019 IEEE Globecom Workshop, Waikoloa, HI, USA, Dec. 9-13, 2019.
  • K. Gao, J. N. Laneman, N. J. Estes, J. Chisum, and B. Hochwald, “Training for Channel Estimation in Nonlinear Multi-Antenna Transceivers,” presented at 2019 IEEE Info. Theory and Appl. Workshop, Feb. 2019. Available: arXiv:1912.06924 [cs.IT]
  • N. Estes and J. Chisum, “Increased Power Handling of Vanadium Dioxide T/R Switches Using a Resonant Topology,” in Proc. 2019 IEEE MTT-S Intl. Microw. Symp. (IMS), Boston MA, Jun. 2-7, 2019.
  • D. Connelly, G. Csaba, G. Bernstein, A. Orlov, J. Chisum, and W. Porod, “Towards a simulation framework for coupled microwave and micromagnetic structures,” in Proc. of 2019 Intl. Workshop Comp. Nanotechn., pp.85-86, Chicago IL, May 20-24, 2019.
  • David J. Benirschke, Abbas Termos, Nikolaus Kleber, David Connellyy, Bertrand Hochwald, Jonathan Chisum, Scott S. Howard, “Realization of a plug-and-play, low SWAP-C, MIR imaging system utilizing a commercially available low-cost VOx microbolometer array for enabling imaging applications,” Proc. SPIE 10795, Electro-Optical and Infrared Systems: Technology and Applications XV, 107950D, Oct. 9 2018.
  • Erica Messinger, Kathleen L. Melde, Jonathan Chisum, Julio Urbina, Jing Wang, Stephen E. Ralph, “Different strategies for preparing students to tackle the RF engineering challenges of tomorrow – a Panel Discussion,” in Proc. 2018 ASEE Annu. Conf. & Expo., Salt Lake City UT, June 27, 2018.
  • W. Bai and J. Chisum, “A Compact, Wide Field-of-View Gradient-index Lens Antenna for Millimeter-wave MIMO on Mobile Devices,” in Proc. 86th IEEE Veh. Technol. Conf., Fall 2017, Toronto, Canada, Sep 24-27, 2017.
  • N. Garcia, W. Bai, T. Twahirwa, D. Connelly, J. Chisum, “Silicon Micromachined High-contrast Artificial Dielectrics for Millimeter-wave Transformation Optics Antennas” in Proc. 2017 IEEE Int. Symp. on Antennas and Propag., San Diego, CA, Jul 9-14, 2017, pp. 1971-1972.
  • J. Merritt IV, C. Dietlein, J. Chisum, “Collaborative and Responsive Sensors for Low-cost Spectrum Sensing and Geolocation,” in Proc. 9th NATO Mil. Sens. Symp. (SET-241), Quebec City, Canada, Jun 2, 2017.
  • N. Kleber, A. Termos, G. Martinez, J. Merritty, B. Hochwald, J. Chisum, A.D. Striegel, J.N. Laneman, “Radio-Hound: A Pervasive Sensing Platform for Sub-6 GHz Dynamic Spectrum Monitoring”, Proc. of the 2017 IEEE Int. Symp. on Dynamic Spectrum Access Networks (DySPAN), Baltimore MD, pp. 1-2, Mar 6-9, 2017.
  • K. Gao, N.J. Estesy, B. Hochwald, J. Chisum, J.N. Laneman, “Power-Performance Analysis of a Simple One-Bit Transceiver”, Proc. of the 2017 Inf. Theory and Appl. Workshop, San Diego CA, Feb. 12-17 2017.
  • N. Estes, J. Chisum, “Sub-surface Spatial Resolution of a Near-field Scanning Microwave Microscope,” in Proc. 2016 NAECON-OIS Conf., Dayton OH, Jul 2016, pp. 464-467.
    DOI: 10.1109/NAECON.2016.7856850
  • A. Bolstad, J. Vian, J. Chisum, Y. Suh, “An Array-based Compressed Sensing Receiver Architecture,” Proc. of the 2016 IEEE Int. Symp. on Phased Array Systems and Techn., Waltham, MA, Oct 18-21 2016.
  • A. K. Bolstad, J. E. Vian, J. D. Chisum and Y. Suh, “Practical sub-Nyquist sampling via array-based compressed sensing receiver architecture,” Proc. of the 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), Rio de Janerio, pp. 1-5, Jul 10-13 2016.
  • J.D. Chisum, and Z. Popovic, “A Scanning Lock-in Vector Near-field Probe for Noise Limited Microwave Measurements,” presented at the 2010 IEEE Antennas and Propagation Society International Symposium (APSURSI), IF414.9, Toronto, Canada, July 2010
  • Atif Imtiaz, T. Mitch Wallis, Sang H. Lim, Jonathan Chisum, Zoya Popovic, and Pavel Kabos, “Near-field antenna as a Scanning Microwave Probe for characterization of materials and devices,” Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), 2010, Barcelona, Spain, pp.1-3, April 12-16 2010.
  • J.D. Chisum, M. Ramirez, and Z. Popovic, “Planar Circuits for Non-contact Near-Field Microwave Probing,” IEEE MTT-S European Microwave Conference digest, pp. 802-805, Sept. 29 2009.
  • C. Dietlein, J. Chisum, M. Ramirez, E. Grossman, and Z. Popovic, “Integrated microbolometer antenna characterization from 95–650 GHz,” MTT-S International Microwave Symposium digest, pp. 1165, June 2007.
  • E.N. Grossman, C.R. Dietlein, J. Chisum, A. Luukanen, J.E. Bjarnason, E.R. Brown, “Spectral decomposition of ultrawideband terahertz imagery,” Proceedings of the SPIE, vol. 6548, pp. 654807-1-654807-8, April 09, 2007.

Abstracts & Meetings

  • D. Connelly and J. Chisum, “High Radiation Efficiency Phase-change Material Antennas with Conductive Inclusions,” presented at the 2019 IEEE Ant. Propag. Symp. and USNC URSI.
  • N. Estes, N. Garcia and J. Chisum, “The Onset of Grating Lobes in Arrays of Electrically Large Apertures: A Study for Lenslet Arrays,” presented at the 2019 IEEE Int. Symp. on Antennas and Propag.
  • D. Connelly and J. Chisum, “Concepts for VO2-Based Reconfigurable Distributed Microwave Circuits” presented at 2018 IEEE Int. Symp. on Antennas and Propag., Boston, MA, Jul 8-13, 2018.
  • W. Bai, N. Garcia, J. Chisum, “Tradeoffs in Millimeter-wave Beam-steering Technologies,” presented at the 3rd NSF MMW RCN Workshop, Tuscon AZ, Jan. 18-19, 2018.
  • D. Connelly, J. Chisum, “Assessment of VO2 Phase-change Material for Programmable Microwave Circuits,” presented at the USNC-URSI Nat. Radio Science Mtg., Boulder CO, Jan. 5, 2018.
  • N. Estes, J. Chisum, “Vanadium Dioxide (VO2) Phase-change Switches for Highly Linear Front-ends,” presented at the USNC-URSI Nat. Radio Science Mtg., Boulder CO, Jan. 5, 2018.


  • (Provisional) Sparse phased-array-fed focusing aperture antennas without grating lobes,” Filed: Apr 20, 2021.
    Application #: 63/177,332.
  • (Provisional) “Compound lenses for improving beam-scan performance of reflector and lens antennas,” Filed: Apr 16, 2020. Application #: 63/011,197.
  • (Patent Pending) “Local Oscillator Synchronization for Coherent Phased-Array,'' Filed: Nov 24, 2020. Application #: 17/102,666.
  • (Patent Pending) “Ultra-low-power Millimeter-wave to Baseband Receiver Module for Scalable Massive MIMO,'' Filed: Aug 7, 2020. Application #: 16/988,103.
  • (Patent Pending) “High Contrast Gradient Index Lens Antennas,” #US 20200018874A1, Filed: Jul 13, 2018.
  • (Patent Pending) “Methods and Apparatus for Spin-Wave-Based Spectrum Analyzer”, #US 20170248640 A1,
    Filed: Feb 22, 2016.
  • (Patent Granted) “Methods and Apparatus for Array-based Compressed Sensing,” #US 20180083816 A1, Filed:
    May 15, 2015, Granted: Jul 30, 2019.