Enhancing the efficiency of compact patch antennas composed of split ring resonators by using lumped capacitors
Artikel i vetenskaplig tidskrift, 2012

A new type of small patch antenna with low profile and enhanced radiation efficiency is proposed in this letter. The antenna is realized with a double layer of low-permittivity material (polypropylene, εr = 2.2). The lower layer is used for the feeding of the antenna, and split ring resonators (SRRs) are printed on top of the upper layer acting as radiating elements. The compactness is provided by shorting the rings to the ground plane with two metal pins. Although this antenna presented initially a dual band of operation, it has been demonstrated how the use of a lumped capacitor in the inner ring can increase the total radiation efficiency of the antenna performing a single-band response. Therefore, when the two original operation frequency bands coincide, a manufactured prototype of the antenna demonstrated a measured radiation efficiency of 73% that can be provided at the operation frequency of 1.29 GHz.

Författare

Elena Pucci

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Antennsystem

Eva Rajo

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Antennsystem

Malcolm Ng Mou Kehn

National Chiao Tung University Taiwan

Oscar Quevedo Teruel

Queen Mary University of London

IEEE Antennas and Wireless Propagation Letters

1536-1225 (ISSN)

Vol. 11 1362-1365 6353501

Styrkeområden

Informations- och kommunikationsteknik

Ämneskategorier

Elektroteknik och elektronik

DOI

10.1109/LAWP.2012.2227662

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Senast uppdaterat

2018-05-17