Millimeter Wave Beam Steering Reflectarray Antenna Based on Mechanical Rotation of Array

被引：33

作者：

Abbasi, Muhammad Inam ^{[1
,2
]}

Dahri, Muhammad Hashim ^{[3
]}

Jamaluddin, Mohd Haizal ^{[2
]}

Seman, Norhudah ^{[2
]}

Kamarudin, Muhammad Ramlee ^{[3
]}

Sulaiman, Noor Hafizah ^{[4
]}

机构：

[1] Univ Teknikal Malaysia Melaka UTeM, Fac Elect & Elect Engn Technol, Melaka 76100, Malaysia

[2] Univ Teknol Malaysia, Wireless Commun Ctr, Johor Baharu 81301, Malaysia

[3] Univ Tun Hussein Onn Malaysia UTHM, Fac Elect & Elect Engn, Parit Raja 86400, Malaysia

[4] Univ Teknol Malaysia, Fac Elect Engn, Johor Baharu 81301, Malaysia

来源：

IEEE ACCESS | 2019年 / 7卷

关键词：

Reflectarray antenna; scattering parameters; radiation patterns; mechanical rotation; beam steering;

D O I：

10.1109/ACCESS.2019.2945318

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work provides design and analysis of a beam steering reflectarray antenna, designed at 26 GHz, based on the mechanical rotation of the array. Unit cells based on circular ring elements are designed, and scattering parameter measurements have been carried out for obtaining progressive phase distribution. The unit cell measurements demonstrated a maximum reflection loss of 4 dB with a total phase range of almost 360 degrees. Symmetricity of the array and the resonant elements has been exposed to steer the main beam by tilting the reflectarray at different angles. A beam steering range of more than +/- 60 degrees has been demonstrated by varying the tilt angle from +30 degrees to -30 degrees. The designed 20 x 20 element array provided a maximum gain of 26.47 dB at 0 degrees which reduced to 19.8 dB at 61.9 degrees in the elevation plane. On the other hand, the reflectarray antenna demonstrated a maximum bandwidth of 13.1% with a minimum side lobe level of -25.9 dB.

引用

页码：145685 / 145691

页数：7

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