Single-Layer High Gain Endfire Antenna Based on Spoof Surface Plasmon Polaritons

A novel high gain endfire antenna based on the spoof surface plasmon polaritons (SSPP) transmission line (TL) is proposed in this paper. The antenna is designed on a groundless single metal layer inherited the advantages of SSPP. Combined with asymmetric radiation elements of SSPP TL and an elliptic...

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Bibliographic Details
Published in:IEEE access 2020, Vol.8, p.64139-64144
Main Authors: Liu, Leilei, Chen, Minghong, Yin, Xiaoxing
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
Bandwidth
Bandwidths
Endfire
High gain
Metals
Optical surface waves
Polaritons
Power transmission lines
single-layer
spoof surface plasmon polaritons (SSPP)
Transmission lines
Wireless communications
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Summary:A novel high gain endfire antenna based on the spoof surface plasmon polaritons (SSPP) transmission line (TL) is proposed in this paper. The antenna is designed on a groundless single metal layer inherited the advantages of SSPP. Combined with asymmetric radiation elements of SSPP TL and an elliptical director, this antenna generates endfire radiation beams with 15.75-17.5 GHz. Although the aperture is small, it has obtained a high gain from 10.5 to 12.1 dBi and a high efficiency of 95% overall the operating bandwidth. Measurement results agree well with the simulations. The advantages of single-layer, high gain and low profile make its valuable in wireless communications.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.2984153