{"id":{"repo_id":"missouri","oai_identifier":"oai:mospace.umsystem.edu:10355/43602"},"canonical_url":"https://search.dev.ndltd.org/etd/missouri/oai:mospace.umsystem.edu:10355/43602","repository":{"repo_id":"missouri","name":"University of Missouri","base_url":"https://mospace.umsystem.edu/oai/request"},"display":{"title":"Design, simulation, and analysis of reconfigurable antennas in GHz regime","abstract":"[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT AUTHOR'S REQUEST.] This research focuses on the design and analysis of a reconfigurable antenna where the radiation pattern and its characteristics are altered in each operating state. Specifically three versions of the reconfigurable antenna have been designed, all made from the same materials. An industry standard simulation code is used for simulation and analysis. It is expected that each antenna design can be used for specific applications. The first antenna design is optimized for radiation. It has the same resonant frequency in each switching state, an S11 value of -50 dB, and a difference in the angle of more than 90 between each state. The second design is a modified version of the first antenna, and has very high directivity and gain values and with the highest angle between the radiation patterns between the states. The resonant frequency of the third reconfigurable structure is less than the previous two designs but it has a wider bandwidth. The antenna designs have applications in saving battery power, avoiding detectability and as a wide band radiation pattern reconfigurable antenna respectively.","abstract_html":"[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT AUTHOR'S REQUEST.] This research focuses on the design and analysis of a reconfigurable antenna where the radiation pattern and its characteristics are altered in each operating state. Specifically three versions of the reconfigurable antenna have been designed, all made from the same materials. An industry standard simulation code is used for simulation and analysis. It is expected that each antenna design can be used for specific applications. The first antenna design is optimized for radiation. It has the same resonant frequency in each switching state, an S11 value of -50 dB, and a difference in the angle of more than 90 between each state. The second design is a modified version of the first antenna, and has very high directivity and gain values and with the highest angle between the radiation patterns between the states. The resonant frequency of the third reconfigurable structure is less than the previous two designs but it has a wider bandwidth. The antenna designs have applications in saving battery power, avoiding detectability and as a wide band radiation pattern reconfigurable antenna respectively.","abstract_has_math":false,"creators":["Alsaif, Haitham"],"institution":"University of Missouri--Columbia","degree_name":"M.S.","degree_level":"Masters","degree_discipline":"Electrical and computer engineering (MU)","degree_department":null,"school":null,"contributors":[],"advisors":["Islam, Naz E."],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013","date_published":"2013","updated_at":"2026-07-24T03:07:01Z","subjects":[],"languages":["eng","English"],"rights":["Access to files is limited to the University of Missouri--Columbia with SSO login."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.32469/10355/43602"],"render_values":[{"text":"https://doi.org/10.32469/10355/43602","href":"https://doi.org/10.32469/10355/43602","code":true}]}]},"links":{"outbound_url":"https://hdl.handle.net/10355/43602","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Islam, Naz E."]},{"key":"dc:creator","label":"Author","values":["Alsaif, Haitham"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-08-07T17:13:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-08-07T17:13:55Z"]},{"key":"dc:date.issued","label":"Date","values":["2013"]},{"key":"dc:publisher","label":"Institution","values":["University of Missouri--Columbia"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical and computer engineering (MU)"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Missouri--Columbia"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Access to files is limited to the University of Missouri--Columbia with SSO login."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.32469/10355/43602"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10355/43602"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["May 2013.","\"A Thesis presented to The Faculty of the Graduate School at the University of Missouri--Columbia In Partial Fulfillment of the Requirements for the Degree Master of Science.\"","Thesis supervisor: Dr. Naz E. Islam.","Includes bibliographical references (pages 79-85).","The entire text is included in the research.pdf file; the abstract appears in the short.pdf file; a non-technical general description appears in the public.pdf file."]},{"key":"dc:description.abstract","label":"Abstract","values":["[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT AUTHOR'S REQUEST.] This research focuses on the design and analysis of a reconfigurable antenna where the radiation pattern and its characteristics are altered in each operating state. Specifically three versions of the reconfigurable antenna have been designed, all made from the same materials. An industry standard simulation code is used for simulation and analysis. It is expected that each antenna design can be used for specific applications. The first antenna design is optimized for radiation. It has the same resonant frequency in each switching state, an S11 value of -50 dB, and a difference in the angle of more than 90 between each state. The second design is a modified version of the first antenna, and has very high directivity and gain values and with the highest angle between the radiation patterns between the states. The resonant frequency of the third reconfigurable structure is less than the previous two designs but it has a wider bandwidth. The antenna designs have applications in saving battery power, avoiding detectability and as a wide band radiation pattern reconfigurable antenna respectively."]},{"key":"dc:source","label":"Dc Source","values":["Submitted by the University of Missouri--Columbia Graduate School"]},{"key":"dc:title","label":"Title","values":["Design, simulation, and analysis of reconfigurable antennas in GHz regime"]}]}],"canonical_facts":{"dc:contributor.advisor":["Islam, Naz E."],"dc:creator":["Alsaif, Haitham"],"dc:date.accessioned":["2014-08-07T17:13:55Z"],"dc:date.available":["2014-08-07T17:13:55Z"],"dc:date.issued":["2013"],"dc:description":["May 2013.","\"A Thesis presented to The Faculty of the Graduate School at the University of Missouri--Columbia In Partial Fulfillment of the Requirements for the Degree Master of Science.\"","Thesis supervisor: Dr. Naz E. Islam.","Includes bibliographical references (pages 79-85).","The entire text is included in the research.pdf file; the abstract appears in the short.pdf file; a non-technical general description appears in the public.pdf file."],"dc:description.abstract":["[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT AUTHOR'S REQUEST.] This research focuses on the design and analysis of a reconfigurable antenna where the radiation pattern and its characteristics are altered in each operating state. Specifically three versions of the reconfigurable antenna have been designed, all made from the same materials. An industry standard simulation code is used for simulation and analysis. It is expected that each antenna design can be used for specific applications. The first antenna design is optimized for radiation. It has the same resonant frequency in each switching state, an S11 value of -50 dB, and a difference in the angle of more than 90 between each state. The second design is a modified version of the first antenna, and has very high directivity and gain values and with the highest angle between the radiation patterns between the states. The resonant frequency of the third reconfigurable structure is less than the previous two designs but it has a wider bandwidth. The antenna designs have applications in saving battery power, avoiding detectability and as a wide band radiation pattern reconfigurable antenna respectively."],"dc:identifier.doi":["https://doi.org/10.32469/10355/43602"],"dc:identifier.uri":["https://hdl.handle.net/10355/43602"],"dc:language":["English"],"dc:language.iso":["eng"],"dc:publisher":["University of Missouri--Columbia"],"dc:rights":["Access to files is limited to the University of Missouri--Columbia with SSO login."],"dc:source":["Submitted by the University of Missouri--Columbia Graduate School"],"dc:title":["Design, simulation, and analysis of reconfigurable antennas in GHz regime"],"dc:type":["Thesis"],"thesis:degree_discipline":["Electrical and computer engineering (MU)"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Missouri--Columbia"]},"updated_at":"2026-07-24T03:07:01Z"}