CPW DUAL-BAND ANTENNA BASED ON ASYMMETRIC GENERALIZED METAMATERIAL Π NRI TRANSMISSION LINE FOR ULTRA COMPACT APPLICATIONS | Zendy

Mahmoud A. Abdalla | Zendy; Mohamed A. Fouad | Zendy

Open Access

CPW DUAL-BAND ANTENNA BASED ON ASYMMETRIC GENERALIZED METAMATERIAL Π NRI TRANSMISSION LINE FOR ULTRA COMPACT APPLICATIONS

Author(s) -

Mahmoud A. Abdalla,

Mohamed A. Fouad

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc15120604

Subject(s) - metamaterial , transmission line , multi band device , dual (grammatical number) , antenna (radio) , metamaterial antenna , transmission (telecommunications) , physics , line (geometry) , optoelectronics , electronic engineering , electrical engineering , computer science , telecommunications , engineering , slot antenna , dipole antenna , mathematics , art , geometry , literature

In this paper, an ultra compact dual-band metamaterial antenna based on a new asymmetric generalized negative refractive index transmission line is introduced. The antenna was designed to support the 900 MHz GSM and 2400 RFID/WiFi bands. Moreover, the antenna size is only (15 × 20 mm2) which is less than (0.08λg × 0.1λg) at the center frequency of the first resonance and (0.22λg × 0.29λg) at the center frequency of the second resonance. The theoretical design steps of the antenna are explained. The dual-band antenna design has been validated using equivalent circuit modelling, electromagnetic full wave simulations and practical measurement. The results illustrate that the antenna has the first resonance centred at 0.9 GHz and the second at 2.4 GHz with 15 dB return loss in the two bands. Good agreements among the circuit modelling, electromagnetic full wave simulation and practical measurements have been achieved.

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