{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/129615"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/129615","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"An electronic beam-steering antenna using a tunable FSS","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01","abstract_has_math":false,"creators":["Liu, Shuo"],"institution":"University of Illinois Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Bernhard, Jennifer T","Schutt-Aine, Jose","Dragic, Peter","Zhao, Yang"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-05-01","date_published":"2025-05-01","updated_at":"2026-07-22T22:25:05Z","subjects":["Antenna","FSS","Beam-steering"],"languages":["en","eng"],"rights":["Copyright 2025 Shuo Liu"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/129615","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Bernhard, Jennifer T","Schutt-Aine, Jose","Dragic, Peter","Zhao, Yang"]},{"key":"dc:creator","label":"Author","values":["Liu, Shuo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2025-05-01","2025-05"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Antenna","FSS","Beam-steering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2025 Shuo Liu"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/129615"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01","The student, Shuo Liu, accepted the attached license on 2025-04-30 at 14:53.","The student, Shuo Liu, submitted this Dissertation for approval on 2025-04-30 at 15:05.","This Dissertation was approved for publication on 2025-05-01 at 12:38.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22124 on 2025-10-19 at 19:16:52","Two novel FSS (frequency selective surface) systems working from 1.6 to 1.8 GHz are proposed for cellular beam-steering applications. An FSS system is comprised of metallic screens which are sandwiched by dielectric slabs. In order for the system to function as a band-pass filter, the geometry of the unit cell on the metallic screens is designed to be a slotted patch. The FSS system is capable of providing reconfigurable phase shifts for transmitted waves with the use of electronic devices in the unit cells. Therefore, it can achieve beam-steering ability if the phase differences of the transmitted waves coming out of the adjacent columns on the FSS are properly configured. A horn antenna is used as the feed to form a filtenna with the FSS system to provide high gain. Another FSS system made of dipole-patch array is also proposed. This FSS system consists of a basic set of four dipole patches and a tail patch. By adjusting the tail dimension, the FSS system allows for beam-steering ability. Compared with the slotted-patch FSS, the dipole-patch FSS has the advantages of low power consumption and low cost. The experimental and simulated results of both FSS systems are be presented."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["An electronic beam-steering antenna using a tunable FSS"]}]}],"canonical_facts":{"dc:contributor":["Bernhard, Jennifer T","Schutt-Aine, Jose","Dragic, Peter","Zhao, Yang"],"dc:creator":["Liu, Shuo"],"dc:date":["2025-05-01","2025-05"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01","The student, Shuo Liu, accepted the attached license on 2025-04-30 at 14:53.","The student, Shuo Liu, submitted this Dissertation for approval on 2025-04-30 at 15:05.","This Dissertation was approved for publication on 2025-05-01 at 12:38.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22124 on 2025-10-19 at 19:16:52","Two novel FSS (frequency selective surface) systems working from 1.6 to 1.8 GHz are proposed for cellular beam-steering applications. An FSS system is comprised of metallic screens which are sandwiched by dielectric slabs. In order for the system to function as a band-pass filter, the geometry of the unit cell on the metallic screens is designed to be a slotted patch. The FSS system is capable of providing reconfigurable phase shifts for transmitted waves with the use of electronic devices in the unit cells. Therefore, it can achieve beam-steering ability if the phase differences of the transmitted waves coming out of the adjacent columns on the FSS are properly configured. A horn antenna is used as the feed to form a filtenna with the FSS system to provide high gain. Another FSS system made of dipole-patch array is also proposed. This FSS system consists of a basic set of four dipole patches and a tail patch. By adjusting the tail dimension, the FSS system allows for beam-steering ability. Compared with the slotted-patch FSS, the dipole-patch FSS has the advantages of low power consumption and low cost. The experimental and simulated results of both FSS systems are be presented."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/129615"],"dc:language":["en","eng"],"dc:rights":["Copyright 2025 Shuo Liu"],"dc:subject":["Antenna","FSS","Beam-steering"],"dc:title":["An electronic beam-steering antenna using a tunable FSS"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:05Z"}