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International Journal of Wireless and Microwave Technologies(IJWMT)

ISSN: 2076-1449 (Print), ISSN: 2076-9539 (Online)

Published By: MECS Press

IJWMT Vol.10, No.3, Jun. 2020

Applications of Leaky-wave Antennas: A Review

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Author(s)

Hafiz Suliman Munawar

Index Terms

Millimetre wave;leaky-wave antenna;micro strip antenna;beam steering;high gain antennas

Abstract

This review discusses some of the widely used applications of Leaky-wave antennas (LWA) along with their certain types. LWAs have been used extensively in various fields since their origin in the 1940s. They provide wide range of applications that include radars, human sensors, imaging and satellite communication. These antennas have advantage of frequency scanning in a single sweep which make them better choice for frequency scanning applications. Different techniques are integrated with them which increase their importance by providing ease of fabrication and low-profile system. In addition to discussing different types of LWA, this paper contains a comparative analysis of these types which helps in providing a clear knowledge of how and where these antennas can be used. Most of the antenna parameters have a tradeoff between gain and radiation patter, for which careful evaluation of these parameters is needed to make a choice for antenna. Slight modification in the antenna renders great increase in its performance or sometimes degrade it as well. LWA are used for 5G applications which is the latest trend and has great potential of development in coming years. Recent advances in LWA put emphasis on attaining radiations at the broadside which is a challenge for them. The challenges and possible future directions which can draw from existing data have been briefly discussed in this review. To form this review, 15 papers from last 6 years are considered which discusses various parameters of these antennas like radiation pattern, directivity and their fabrication complexities.

Cite This Paper

Hafiz Suliman Munawar, " Applications of Leaky-wave Antennas: A Review ", International Journal of Wireless and Microwave Technologies(IJWMT), Vol.10, No.3, pp. 56-62, 2020.DOI: 10.5815/ijwmt.2020.03.05

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