Compact Single-Layer Traveling-Wave Antenna Design Using Metamaterial Transmission Lines

Alibakhshikenari, Mohammad, Virdee, Bal Singh and Limiti, Ernesto (2017) Compact Single-Layer Traveling-Wave Antenna Design Using Metamaterial Transmission Lines. Radio Science, 52 (12). pp. 1510-1521. ISSN 0048-6604

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Abstract / Description

This paper presents a single‐layer traveling‐wave antenna (TWA) that is based on composite right/left‐handed (CRLH)‐metamaterial (MTM) transmission line (TL) structure, which is implemented by using a combination of interdigital capacitors and dual‐spiral inductive slots. By embedding dual‐spiral inductive slots inside the CRLH MTM‐TL results in a compact TWA. Dimensions of the proposed CRLH MTM‐TL TWA is 21.5 × 30.0 mm2 or 0.372λ0 × 0.520λ0 at 5.2 GHz (center frequency). The fabricated TWA operates over 1.8–8.6 GHz with a fractional bandwidth greater than 120%, and it exhibits a peak gain and radiation efficiency of 4.2 dBi and 81%, respectively, at 5 GHz. By avoiding the use of lumped components, via‐holes or defected ground structures, the proposed TWA design is economic for mass production as well as easy to integrate with wireless communication systems.

Item Type: Article
Additional Information: ** From Crossref via Jisc Publications Router. ** Licence for VoR version of this article starting on 06-12-2017: http://onlinelibrary.wiley.com/termsAndConditions#vor
Uncontrolled Keywords: single‐layer traveling‐wave antenna (TWA)
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
SWORD Depositor: Pub Router
Depositing User: Pub Router
Date Deposited: 13 Apr 2018 15:29
Last Modified: 13 Apr 2018 15:29
URI: http://repository.londonmet.ac.uk/id/eprint/1410

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