{"id":17,"date":"2020-11-11T14:25:15","date_gmt":"2020-11-11T19:25:15","guid":{"rendered":"https:\/\/blog.uvm.edu\/lsf\/?page_id=5"},"modified":"2025-03-21T19:23:23","modified_gmt":"2025-03-21T19:23:23","slug":"bio","status":"publish","type":"page","link":"https:\/\/site.uvm.edu\/jfrolik\/","title":{"rendered":"Home"},"content":{"rendered":"\n<div class=\"wp-block-atomic-blocks-ab-columns ab-layout-columns-2 ab-2-col-equal alignfull\" style=\"padding-left:20px\"><div class=\"ab-layout-column-wrap ab-block-layout-column-gap-4 ab-is-responsive-column\">\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column ab-is-vertically-aligned-center\"><div class=\"ab-block-layout-column-inner\">\n<p><\/p>\n\n\n\n<p>Jeff Frolik is a Professor in Electrical Engineering and whose research focuses on wireless communications in complex environments, wireless sensing, and distributed control.  This work has resulted in over 150 peer-reviewed publications, 12 patents, and has involved over 30 graduate students.  The work has been supported by industry and by NSF, DOE, NASA, DOT and USDA\/NIFA.<\/p>\n\n\n\n<p>He has spent sabbaticals as a research scientist at UC Santa Barbara&#8217;s Sierra Nevada Aquatic Research Lab (SNARL) and the University of Oxford (UK). In Spring of 2017 held the Fulbright Distinguished Chair position at the Czech Technical University (CTU) in Prague, and returned to CTU in Fall 2022 as a Fulbright Scholar.  He is co-founder of the cleantech startup company, Packetized Energy, that was acquired by EnergyHub in 2021.<\/p>\n\n\n\n<p><strong>Contact Info<\/strong><br><em>Office<\/em>:  VOTEY 355<br><em>Phone<\/em>:  802.656.0732<br><em>Email<\/em>:   JFROLIK@UVM.EDU<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column\"><div class=\"ab-block-layout-column-inner\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.uvm.edu\/sites\/default\/files\/profile_images\/frolik-01.png\" alt=\"\" \/><\/figure>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-atomic-blocks-ab-columns ab-layout-columns-2 ab-2-col-equal\"><div class=\"ab-layout-column-wrap ab-block-layout-column-gap-2 ab-is-responsive-column\">\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column ab-is-vertically-aligned-top\"><div class=\"ab-block-layout-column-inner\">\n<h2 class=\"wp-block-heading\">Education<\/h2>\n\n\n\n<p>Ph.D. E.E. &#8211; Systems: UNIVERSITY OF MICHIGAN, Ann Arbor, MI&nbsp;(1995)<\/p>\n\n\n\n<p>MSEE: UNIVERSITY OF SOUTHERN CALIFORNIA, Los Angeles, CA&nbsp;(1988)<\/p>\n\n\n\n<p>BSEE: UNIVERSITY OF SOUTH ALABAMA, Mobile, AL&nbsp;(1986)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Experience<\/h2>\n\n\n\n<p>UNIVERSITY OF VERMONT, Burlington, VT (2002-date)<\/p>\n\n\n\n<p>TENNESSEE TECHNOLOGICAL UNIVERSITY, Cookeville, TN (1998-2002)<\/p>\n\n\n\n<p>INDEPENDENT SATELLITE COMMUNICATIONS CONSULTANT  (1995&nbsp;\u2013&nbsp;1998)<\/p>\n\n\n\n<p>HUGHES AIRCRAFT COMPANY, Los Angeles, CA. (1986&nbsp;\u2013&nbsp;1995)<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column\"><div class=\"ab-block-layout-column-inner\">\n<h2 class=\"wp-block-heading\">Publications<\/h2>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-accordion ab-block-accordion\"><details><summary class=\"ab-accordion-title\">Publications 2025<\/summary><div class=\"ab-accordion-text\">\n<p>J. Frolik,&nbsp;<em>Ascertaining channel frequency response using in situ harmonic transponders<\/em>, IEEE International Conference on RFID Technology and Applications, Valence FR, October 2025,&nbsp;<em>in review.<\/em><\/p>\n\n\n\n<p>D. Yireny-Tawiah,&nbsp;R. Fought,&nbsp;E. Anthonio, T. Weller and J. Frolik,&nbsp;<em>Modeling the response of a wireless harmonic sensor in a multi-layer environment for landslide monitoring<\/em>, IEEE Wireless and Microwave Technology Conference, Cocoa Beach FL, April 2025.<\/p>\n\n\n\n<p>J. Frolik,&nbsp;<em>Spatial multipath characterization via in situ harmonic transponders<\/em>, IEEE European Conference on Antennas and Propagation, Stockholm SE, April 2025.<\/p>\n\n\n\n<p>E. Anthonio,&nbsp;R. Fought&nbsp;and J. Frolik,&nbsp;<em>Backscatter communications using harmonic transponders<\/em>, IEEE Wireless Communications and Networking Conference, Milan IT, March 2025.<\/p>\n\n\n\n<p>R. Fought,&nbsp;E. Anthonio&nbsp;and J. Frolik,&nbsp;<em>SDR-based location and interrogation of harmonic transponders<\/em>, IEEE Wireless Communications and Networking Conference, Milan IT, March 2025.<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-accordion ab-block-accordion\"><details><summary class=\"ab-accordion-title\">Publications 2024<\/summary><div class=\"ab-accordion-text\">\n<p>J. Frolik,&nbsp;E. Anthonio, R. Fought, and&nbsp;T. Harte,&nbsp;<em>Ascertaining the operating point of harmonic transponders using intermodulation response,&nbsp;<\/em>IEEE Open Journal of Antennas and Propagation, Vol. 5, No. 5, October 2024.<\/p>\n\n\n\n<p>J. Anderson, J. Frolik, M. Gallagher and R. Headrick,&nbsp;<em>WIP: An experiential undergraduate certificate in semiconductor engineering and physics<\/em>, IEEE Frontiers in Education, Washington DC, October 2024.<\/p>\n\n\n\n<p>G. Aptsiauri, M. Svanda, J. Frolik and M. Polivka,&nbsp;<em>Harmonic transponder concept with chipless RF identification capability<\/em>, European Microwave Conference, Paris FR, September 2024.<\/p>\n\n\n\n<p>I. Uluer, J. Frolik, and T. Weller,&nbsp;<em>Interferometric approaches for accurate location and displacement measurement using passive frequency-doubling reflectennas<\/em>, IEEE International Microwave Symposium, Washington DC, June 2024.<\/p>\n\n\n\n<p>R. Fought,&nbsp;E. Anthonio,&nbsp;T. Harte,&nbsp;P. Bastola,&nbsp;R. Petzoldt,&nbsp;H. Jaffe, M. Dewoolkar and J. Frolik,&nbsp;<em>Measuring media absorption loss using embedded harmonic transponders<\/em>, IEEE International Microwave Symposium, Washington DC, June 2024.<\/p>\n\n\n\n<p>M. Polivka and J. Frolik,&nbsp;<em>On performance characterization of harmonic transponders,&nbsp;<\/em>IEEE Open Journal of Antennas and Propagation, Vol. 5, No. 1, February 2024.<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-accordion ab-block-accordion\"><details><summary class=\"ab-accordion-title\">Publications 2023<\/summary><div class=\"ab-accordion-text\">\n<p>M. Polivka and J. Frolik,&nbsp;<em>Characterizing harmonic transponder performance jointly over frequency and power,&nbsp;<\/em>European Conference on Antennas and Propagation, Florence IT, March 2023.&nbsp;<\/p>\n\n\n\n<p>J. Frolik,&nbsp;<em>AM interrogation of harmonic transponders for measuring channel loss,&nbsp;<\/em>IEEE Antennas and Propagation Symposium, Portland OR, June 2023.&nbsp;<\/p>\n\n\n\n<p>M. Polivka and J. Frolik,&nbsp;<em>Impact of bodies on harmonic transponder conversion loss and radiation patterns,&nbsp;<\/em>IEEE Antennas and Propagation Symposium, Portland OR, June 2023.<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-accordion ab-block-accordion\"><details><summary class=\"ab-accordion-title\">Publications 2022<\/summary><div class=\"ab-accordion-text\">\n<p>M. Almassalkhi, J. Frolik, and P. Hines,&nbsp;<em>Packetizing the Power Grid<\/em>, invited article to&nbsp;<em>IEEE Spectrum<\/em>, February 2022. Online: https:\/\/spectrum.ieee.org\/packetized-power-grid<\/p>\n\n\n\n<p>S. Chowdhury, J. Frolik and A. Benslimane,<em>&nbsp;<em>Switching-based Selection Techniques for Tripolar Antennas in Multi-hop IoT Networks,&nbsp;<\/em><\/em> IEEE Internet of Things Journal, vol. 9, no. 17, September 2022.<\/p>\n\n\n\n<p>M. Polivka and J. Frolik,&nbsp;<em>On performance metrics for harmonic transponders,&nbsp;<\/em>IEEE Transactions on Antennas and Propagation,&nbsp;<em>in review<\/em>, submitted: December 2022.<\/p>\n\n\n\n<p>I. Uluer, J. Frolik and T. Weller,&nbsp;<em>Battery-free mechanically-tunable wireless sensors for railroad track ballast monitoring,&nbsp;<\/em>IEEE Symposium on Antennas and Propagation, Denver CO, July 2022.&nbsp;<\/p>\n<\/div><\/details><\/div>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Research Highlights and News<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Our work has demonstrated that channel fading characteristics can be worse than previous considered for wireless systems; fading we have deemed to be <em>hyper-Rayleigh<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"713\" src=\"https:\/\/site.uvm.edu\/jfrolik\/files\/2021\/01\/Screen-Shot-2021-01-12-at-3.20.17-PM.png\" alt=\"\" class=\"wp-image-113\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Algorithms, originally designed to coordinate the communications of wireless sensors, have been applied to coordinating electric loads through a patented technique referred to as <em>packetized energy management<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1704\" height=\"1044\" src=\"https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/spectrum22.jpg\" alt=\"\" class=\"wp-image-141\" srcset=\"https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/spectrum22.jpg 1704w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/spectrum22-768x471.jpg 768w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/spectrum22-1536x941.jpg 1536w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/spectrum22-1568x961.jpg 1568w\" sizes=\"auto, (max-width: 1704px) 100vw, 1704px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Our ongoing work with harmonic transponders has shown that these passive, wireless devices can be used to separately identify channel losses from an interrogator to the device and from the device back to the interrogators.   &nbsp;This has applicability for monitoring soil moisture and wireless channel characterization in harsh and\/or hazardous environments.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2158\" height=\"1168\" src=\"https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut.jpg\" alt=\"\" class=\"wp-image-139\" srcset=\"https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut.jpg 2158w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut-768x416.jpg 768w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut-1536x831.jpg 1536w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut-2048x1108.jpg 2048w, https:\/\/site.uvm.edu\/jfrolik\/files\/2025\/03\/cvut-1568x849.jpg 1568w\" sizes=\"auto, (max-width: 2158px) 100vw, 2158px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Research Highlights and News Our work has demonstrated that channel fading characteristics can be worse than previous considered for wireless systems; fading we have deemed to be hyper-Rayleigh. Algorithms, originally designed to coordinate the communications of wireless sensors, have been applied to coordinating electric loads through a patented technique referred to as packetized energy management. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/site.uvm.edu\/jfrolik\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Home&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6548,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17","page","type-page","status-publish","hentry","entry"],"featured_image_src":null,"featured_image_src_square":null,"_links":{"self":[{"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/pages\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/users\/6548"}],"replies":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":34,"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions"}],"predecessor-version":[{"id":144,"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions\/144"}],"wp:attachment":[{"href":"https:\/\/site.uvm.edu\/jfrolik\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}