Book Chapters

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• Novelties of Spectral Domain Analysis in Antenna Characterizations: Concept, Formulation, and Applications

  Joshua M. Kovitz and Yahya Rahmat-Samii, “Novelties of Spectral Domain Analysis in Antenna Characterizations: Concept, Formulation, and Applications,” in Advanced Computational Electromagnetics Methods and Applications, pp.1-82, Artech House, 2015.

Journal Papers

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• Synthesis and Analysis of Low Profile, Metal-Only Stepped Parabolic Reflector Antenna

  V. Manohar, J. M. Kovitz and Y. Rahmat-Samii, “Synthesis and Analysis of Low Profile, Metal-Only Stepped Parabolic Reflector Antenna,” in IEEE Transactions on Antennas and Propagation, vol. 66, no. 6, pp. 2788-2798, June 2018.

• Half-Mode Cavity-Based Planar Filtering Antenna With Controllable Transmission Zeroes

  K. Dhwaj, J. M. Kovitz, H. Tian, L. J. Jiang and T. Itoh, “Half-Mode Cavity-Based Planar Filtering Antenna With Controllable Transmission Zeroes,” IEEE Antennas and Wireless Propagation Letters, vol. 17, no. 5, pp. 833-836, May 2018.

• CRLH Networks for Wideband CP Arrays: Revisit, review, and extensions of current techniques for high-performance antenna systems

  J. M. Kovitz, J. Choi, and Y. Rahmat-Samii, “Supporting Wide-Band Circular Polarization: CRLH Networks for High-Performance CP Antenna Arrays,” IEEE Microwave Magazine, vol. 18, no. 5, pp. 91-104, July-Aug. 2017.

• High-Performance Circularly-Polarized Patch Subarrays for Dual-Band Direct-to-Earth Communications in Future Mars Rover Missions

  J. M. Kovitz, J. Santos, Y. Rahmat-Samii, N. Chamberlain, and R. Hodges, “Enhancing Communications for Future Mars Rovers: Using high-performance circularly polarized patch subarrays for a dual-band direct-to-Earth link,” IEEE Antennas and Propagation Magazine, vol. 59, no. 4, pp. 50-61, June 2017.

• Think Small, Dream Big: Reviewing Recent Antenna Developments for CubeSats

  Y. Rahmat-Samii, V. Manohar, and J. M. Kovitz, “For Satellites, Think Small, Dream Big: Reviewing Recent Antenna Developments for CubeSats,” IEEE Antennas and Propagation Magazine, vol. 59, no. 2, pp. 22 – 30, April 2017.

• Circularly-polarised half E-shaped patch antenna: a compact and fabrication-friendly design

  J. M. Kovitz, H. Rajagopalan, and Y. Rahmat-Samii, “Circularly-polarised half E-shaped patch antenna: a compact and fabrication-friendly design,” IET Microwaves, Antennas, and Propagation. vol. 10, no. 9, pp. 932-938, June 2016.

• Design and Implementation of Broadband MEMS RHCP/LHCP Reconfigurable Arrays Using Rotated E-Shaped Patch Elements

  J.M. Kovitz, H. Rajagopalan and Y. Rahmat-Samii, “Design and Implementation of Broadband MEMS RHCP/LHCP Reconfigurable Arrays Using Rotated E-Shaped Patch Elements,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 6, pp. 2497 – 2507, June 2015.

• Enhancing the Power Capabilities of the Stepped Septum Using an Optimized Smooth Sigmoid Profile

  I. Kim, J. M. Kovitz, and Y. Rahmat-Samii, “Enhancing the Power Capabilities of the Stepped Septum Using an Optimized Smooth Sigmoid Profile,” IEEE Antennas and Propagation Magazine, vol. 56, no. 5, pp. 16-42, October 2014.

• Using Thick Substrates and Capacitive Probe Compensation to Enhance the Bandwidth of Traditional CP Patch Antennas

  J. M. Kovitz and Y. Rahmat-Samii, “Using Thick Substrates and Capacitive Probe Compensation to Enhance the Bandwidth of Traditional CP Patch Antennas,” IEEE Transactions on Antennas and Propagation, vol. 62, no. 10, pp. 4970-4979, October 2014.

• MEMS Reconfigurable Optimized E-Shaped Patch Antenna Design for Cognitive Radio

  H. Rajagopalan, and J. M. Kovitz, and Y. Rahmat-Samii, “MEMS Reconfigurable Optimized E-Shaped Patch Antenna Design for Cognitive Radio,” IEEE Transactions on Antennas and Propagation, vol. 62, no. 3, pp. 1056-1064, March 2014.

• Practical and Cost-Effective Bias Line Implementations for Reconfigurable Antennas

  J. M. Kovitz, H. Rajagopalan, and Y. Rahmat-Samii, “Practical and Cost-Effective Bias Line Implementations for Reconfigurable Antennas,” IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 1552-1555, December 2012.

• Nature-Inspired Optimization Techniques in Communication Antenna Designs

  Y. Rahmat-Samii, J. M. Kovitz, and H. Rajagopalan, “Nature-Inspired Optimization Techniques in Communication Antenna Designs,” Proceedings of the IEEE, vol. 100, no. 7, pp. 2132-2144, July 2012.

Conference Papers

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• Recent developments toward reconfigurable mmWave apertures and components using vanadium dioxide RF switches

  J. M. Kovitz and K. W. Allen, “Recent developments toward reconfigurable mmWave apertures and components using vanadium dioxide RF switches,” 19th IEEE Wireless and Microwave Technology Conference, Sand Key, FL, 2018.

• Compact dual-band filtering antenna based on capacitor loaded patch radiator

  K. Dhwaj, J. M. Kovitz, R. Al-Hadi and T. Itoh, “Compact dual-band filtering antenna based on capacitor loaded patch radiator,” 2017 IEEE Asia Pacific Microwave Conference, Kuala Lumpar, 2017, pp. 1188-1191.

• A Novel Near-field Gregorian Reflectarray Antenna Design with a Compact Deployment Strategy for High performance Cubesats

  Y. Rahmat-Samii, J. M. Kovitz, J. F. Budhu, and V. Manohar, “A Novel Near-field Gregorian Reflectarray Antenna Design with a Compact Deployment Strategy for High performance Cubesats,” 39th Annual Meeting of Antenna Measurement Techniques Assoc., October 2017.

• Design strategies for metamaterial quadrature power dividers in CP antennas: Are two CRLH-loaded lines necessary?

  J. M. Kovitz and Y. Rahmat-Samii, “Design strategies for metamaterial quadrature power dividers in CP antennas: Are two CRLH-loaded lines necessary?,” 32nd URSI General Assembly and Scientific Symposium, Montreal, QC, 2017.

• Antenna measurements through planar near field apparatus: An educational paradigm linking electromagnetic theory, sampling techniques, and FFT

  Y. Rahmat-Samii and J. M. Kovitz, “Antenna measurements through planar near field apparatus: An educational paradigm linking electromagnetic theory, sampling techniques, and FFT,” 32nd URSI General Assembly and Scientific Symposium, Montreal, QC, 2017.

• Feed Horn Optimization using Feed+Reflector Co-Simulation for Advanced Reflector Antennas

  J. M. Kovitz, V. Manohar, and Y. Rahmat-Samii, “Feed Horn Optimization using Feed+Reflector Co-Simulation for Advanced Reflector Antennas,” 2017 International Applied Computational Electromagnetics Society (ACES) Symposium, March 2017.

• A Novel Customized Spline-Profiled mm-Wave Horn Antenna for Emerging High Performance CubeSats

  V. Manohar, J. M. Kovitz and Y. Rahmat-Samii, “A Novel Customized Spline-Profiled mm-Wave Horn Antenna for Emerging High Performance CubeSats,” 38th Annual Meeting of Antenna Measurement Techniques Assoc., October 2016.

• Ka band Umbrella Reflectors for CubeSats: Revisiting Optimal Feed Location and Gain Loss

  V. Manohar, J. M. Kovitz and Y. Rahmat-Samii, “Ka band Umbrella Reflectors for CubeSats: Revisiting Optimal Feed Location and Gain Loss,” International Conference on Electromagnetics in Advanced Applications, September 2016.

• Enhancing Rejection in Cognitive Radio Filtennas using a Reconfigurable Filter+Antenna Approach

  J. M. Kovitz and Y. Rahmat-Samii, “Enhancing Rejection in Cognitive Radio Filtennas using a Reconfigurable Filter+Antenna Approach,” in Proceedings of the IEEE Antennas and Propagation International Symposium, Fajardo, Puerto Rico, June 2016.

• A Hemispherical Monopole Rectenna Array for Multi-Directional, Multi-Polarization, and Multi-Band Ambient RF Energy Harvesting

  B. Zhang, J. M. Kovitz, and Y. Rahmat-Samii, “A Hemispherical Monopole Rectenna Array for Multi-Directional, Multi-Polarization, and Multi-Band Ambient RF Energy Harvesting,” in Proceedings of the IEEE Antennas and Propagation International Symposium, Fajardo, Puerto Rico, June 2016.

• A Spline-Profiled Conical Horn Antenna Assembly Optimized for Deployable Ka-Band Offset Reflector Antennas in CubeSats

  J. M. Kovitz, V. Manohar, and Y. Rahmat-Samii. “A Spline-Profiled Conical Horn Antenna Assembly Optimized for Deployable Ka-Band Offset Reflector Antennas in CubeSats,” in Proceedings of the IEEE Antennas and Propagation International Symposium, Fajardo, Puerto Rico, June 2016.

• Normalized Plane Wave Spectra: Quantification of Measured Near-Field Distributions for the ISS-RapidScat using Measured Far-field Patterns

  Y. Rahmat-Samii, J.M. Kovitz and L.R. Amaro, “Normalized Plane Wave Spectra: Quantification of Measured Near-Field Distributions for the ISS-RapidScat using Measured Far-field Patterns,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 1702 – 1703, July 2015.

• The CP Half E-shaped patch: Evolving from linear polarization to compact single feed circularly polarized antennas

  J.M.Kovitz, J.P.Santos and Y.Rahmat-Samii, “The CP Half E-shaped patch: Evolving from linear polarization to compact single feed circularly polarized antennas,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 1918 – 1919, July 2015.

• Dispersion engineered right/left-handed transmission lines enabling near-octave bandwidths for wideband CP patch arrays

  J.M.Kovitz, Y.Rahmat-Samii and J.Choi, “Dispersion engineered right/left-handed transmission lines enabling near-octave bandwidths for wideband CP patch arrays,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 2525 – 2526, July 2015.

• Understanding the radiation pattern anomalies in the broadband CP reconfigurable E-shaped patch

  J. M. Kovitz and Y. Rahmat-Samii, “Understanding the radiation pattern anomalies in the broadband CP reconfigurable E-shaped patch,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 1580-1581, July 2014.

• Enhanced broadband performance of thick CP patch antennas: A novel annular gap capacitor design

  J. M. Kovitz and Y. Rahmat-Samii, “Enhanced broadband performance of thick CP patch antennas: A novel annular gap capacitor design,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 1881-1882, July 2014.

• Sigmoid profiled septum: Evaluation of the parabolic reflector with the septum feed horn

  I. Kim, J. M. Kovitz, and Y. Rahmat-Samii, “Sigmoid profiled septum: Evaluation of the parabolic reflector with the septum feed horn,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 236-237, July 2013.

• Ensuring robust antenna designs using multiple diverse optimization techniques

  J. M. Kovitz and Y. Rahmat-Samii, “Ensuring robust antenna designs using multiple diverse optimization techniques,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 408-409, July 2013.

• Recent advances in evolutionary optimization techniques in applied electromagnetics

  Y. Rahmat-Samii and J. M. Kovitz, “Recent advances in evolutionary optimization techniques in applied electromagnetics,” in Proceedings of the URSI International Symposium on Electromagnetic Theory, May 2013.

• Frequency Reconfigurable E-shape Patch Antenna using Nature Inspired Optimization

  H. Rajagopalan, J. M. Kovitz, and Y. Rahmat-Samii. “Frequency Reconfigurable E-shape Patch Antenna using Nature Inspired Optimization,” in Proceedings of the IEEE Antennas and Propagation International Symposium, Chicago, IL, United States, July 2012.

• A Novel Optimized Broadband Reconfigurable RHCP/LHCP E-shaped Patch Antenna

  J. M. Kovitz, H. Rajagopalan, and Y. Rahmat-Samii, “A Novel Optimized Broadband Reconfigurable RHCP/LHCP E-shaped Patch Antenna,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, Chicago, IL, July 2012.

• Micro-actuated pixel patch antenna design using particle swarm optimization

  J. M. Kovitz and Y. Rahmat-Samii, “Micro-actuated pixel patch antenna design using particle swarm optimization,” in Proceedings of the IEEE Antenna and Propagation Society International Symposium, pp. 2415-2418, July 2011.