A Beam Squinted Linearly Polarised Radial Line Slot Array Antenna with Improved Return Loss Bandwidth

被引：3

作者：

Koli, Nishat Yasmin ^{[1
]}

Afzal, Muhammad U. ^{[1
]}

Esselle, Karu P. ^{[2
]}

Hashmi, Raheel M. ^{[1
]}

Islam, Md Zahidul ^{[3
]}

机构：

[1] Macquarie Univ, Sch Engn, Sydney, NSW, Australia

[2] Univ Technol Sydney, Sch Elect & Data Engn, Sydney, NSW, Australia

[3] Teleaus Serveno Australia Pty Ltd, Sydney, NSW, Australia

来源：

2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING | 2020年

关键词：

radial line slot array; linearly polarised; planar; low-profile; improved return loss; high gain; RLSA; TV;

D O I：

10.1109/IEEECONF35879.2020.9330096

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents an investigation to improve the poor return loss performance of linearly polarised radial line slot array (RLSA) antenna. The problem was tackled by applying the beam squinting technique. The antenna consists of radiating surface with a circular cavity and supports outward-travelling electromagnetic waves. The antenna is excited via a rear mounted modified disk-ended dielectric coated SMA connector. The simulation results show that the return loss performance has improved significantly over the entire frequency band with a return loss bandwidth of 52.5%. The far-field result indicates that the antenna has achieved a peak directivity of 24.7 dBi at 17 GHz with a beam squinted angle of 18ffi and a side lobe level of -10 dB.

引用

页码：411 / 412

页数：2

共 33 条

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