Title :
Compact dual-band hybrid dielectric resonator antenna based on new glass-ceramic material
Author :
Mehmood, Abid ; Yue Sun ; Yuliang Zheng ; Karabey, Onur Hamza ; Braun, Hans-Georg ; Hovhannisyan, Martun ; Letz, Martin ; Jakoby, Rolf
Author_Institution :
Inst. for Microwave Eng. & Photonics, Tech. Univ. of Darmstadt, Darmstadt, Germany
Abstract :
This paper presents a dual band hybrid dielectric antenna covering IEEE.11n bands. The antenna consists of a raised folded monopole which covers the lower band WLAN 2.4 GHz, while the dielectric resonator covers the WLAN 5 GHz. The cylindrical dielectric resonator was manufactured from new glass-ceramic material. This class of new material has promising features for microwave applications. The final antenna is very compact with substrate size 36 × 28 mm and low profile of 4.5 mm. For the fabricated antenna the -10 dB impedance bandwidth is 2.5% and 23% in two separate frequency bands, with center frequencies at 2.45 GHz and 5.4 GHz, respectively. The measured radiation patterns showed suitably omnidirectional characteristics.
Keywords :
IEEE standards; antenna radiation patterns; dielectric resonator antennas; glass ceramics; microwave antennas; monopole antennas; multifrequency antennas; omnidirectional antennas; IEEE.11n band; WLAN 2.4 GHz; WLAN 5 GHz; antenna radiation pattern; bandwidth 2.4 GHz; bandwidth 5 GHz; compact dual band antenna; cylindrical dielectric resonator; glass ceramic material; hybrid dielectric resonator antenna; omnidirectional characteristic; raised folded monopole; size 28 mm; size 36 mm; size 4.5 mm; Antenna measurements; Dielectric resonator antennas; Dielectrics; Optical resonators; Substrates;
Conference_Titel :
Microwave Conference (EuMC), 2013 European
Conference_Location :
Nuremberg
