Title :
Compact differential dual-band slot antenna based on LHMs
Author :
Yajuan Zhao ; Caixia Wang ; Yanfang Shen ; Runbo Ma ; Wenmei Zhang ; Liping Han
Author_Institution :
Coll. of Phys. & Electron. Eng., Shanxi Univ., Taiyuan, China
Abstract :
A differential dual-band slot antenna is proposed. Dual bands are realized using meander slots in the ground plane. Compared with the conventional half-wavelength antenna, the proposed antenna has a compact size of 60 mm × 60 mm (0.36 λ1 × 0.36λ1, λ1 is the guided wavelength at f1). In order to improve the radiation performance at f1, a novel periodic structure of dual-band left-handed materials (LHMs) is presented. The results show that the differential dual-band slot antenna with a LHMs cover can operate at 0.9 GHz and 2.4 GHz bands, and the radiation performance is improved. Also, the differential dual-band slot antenna with LHMs has a wider impedance bandwidth than that of antenna without LHMs.
Keywords :
microwave antennas; microwave metamaterials; multifrequency antennas; slot antennas; LHM; compact differential dual-band slot antenna; dual-band left-handed material; frequency 0.9 GHz; frequency 2.4 GHz; ground plane; half-wavelength antenna; impedance bandwidth; meander slot; periodic structure; radiation performance; Antenna radiation patterns; Dual band; Permittivity; Reflection coefficient; Slot antennas; differential antenna; dual-band antenna; left-handed materials; radiation performance;
Conference_Titel :
Antennas and Propagation (APCAP), 2014 3rd Asia-Pacific Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4799-4355-5
DOI :
10.1109/APCAP.2014.6992494
