dc.contributor.author | Antoniades, Marcos A. | en |
dc.contributor.author | Rezaeieh, S. A. | en |
dc.contributor.author | Abbosh, A. M. | en |
dc.creator | Antoniades, Marcos A. | en |
dc.creator | Rezaeieh, S. A. | en |
dc.creator | Abbosh, A. M. | en |
dc.date.accessioned | 2019-04-08T07:44:43Z | |
dc.date.available | 2019-04-08T07:44:43Z | |
dc.date.issued | 2017 | |
dc.identifier.isbn | 978-1-5090-5177-9 | |
dc.identifier.uri | http://gnosis.library.ucy.ac.cy/handle/7/42790 | |
dc.description.abstract | Compact, wideband and unidirectional loop antennas are presented, that are based on a conventional planar loop antenna that is loaded in a mu-negative (MNG) fashion with series capacitors, enabling a mu-zero (MZR) resonance to be excited. This, together with the inherent loop resonance and a third resonance introduced by a director element, result in a wide impedance bandwidth and enhanced directivity. Two variants of the MNG-loaded loop antenna are presented; one with a uniform distribution of the MNG-unit cells, and one with a non-uniform distribution. It is shown that both antennas, which have a compact size, achieve a wide operating bandwidth in excess of 50% in the range of 0.6 to 1.1 GHz in the lower UHF band. The uniformly loaded antenna has a measured gain of 3.2 dBi, while the non-uniformly loaded antenna has a higher measured gain of 4.8 dBi. Both antennas have high front-to-back ratios in the range of 10 dB throughout the operating band. © 2017 IEEE. | en |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | en |
dc.source | 2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications, iWAT 2017 | en |
dc.source | 2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications, iWAT 2017 | en |
dc.source.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019625195&doi=10.1109%2fIWAT.2017.7915371&partnerID=40&md5=29c1d0630daf64f1cad81ab62cec80a8 | |
dc.subject | Antennas | en |
dc.subject | Metamaterial antennas | en |
dc.subject | Metamaterials | en |
dc.subject | Microwave antennas | en |
dc.subject | Electric impedance | en |
dc.subject | Bandwidth | en |
dc.subject | Metamaterial antenna | en |
dc.subject | Mu-negative | en |
dc.subject | Loop antenna | en |
dc.subject | Loop antennas | en |
dc.subject | Operating bandwidth | en |
dc.subject | Unidirectional loop | en |
dc.subject | Directivity enhancement | en |
dc.subject | Resonance | en |
dc.subject | High front-to-back ratios | en |
dc.subject | Mu-negative (mng) antenna | en |
dc.subject | Mu-zero (mzr) antenna | en |
dc.subject | Non-uniform distribution | en |
dc.subject | Uniform distribution | en |
dc.subject | Wide impedance bandwidths | en |
dc.title | Bandwidth and directivity enhancement of metamaterial-loaded loop antennas for microwave imaging applications | en |
dc.type | info:eu-repo/semantics/conferenceObject | |
dc.identifier.doi | 10.1109/IWAT.2017.7915371 | |
dc.description.startingpage | 249 | |
dc.description.endingpage | 252 | |
dc.author.faculty | Πολυτεχνική Σχολή / Faculty of Engineering | |
dc.author.department | Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering | |
dc.type.uhtype | Conference Object | en |
dc.contributor.orcid | Antoniades, Marcos A. [0000-0002-9699-2387] | |
dc.gnosis.orcid | 0000-0002-9699-2387 | |