Evaluation of gain enhancement in improved size microstrip antenna arrays for millimetre-wave applications

被引：9
|
作者：
Rabbani, Muhammad Saqib [1 ]
Ghafouri-Shiraz, Hooshang [1 ]
机构：
[1] Univ Birmingham, Sch Elect Elect & Syst Engn, Birmingham B15 2TT, W Midlands, England
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2017年 / 81卷
关键词：
D O I：
10.1016/j.aeue.2017.07.017
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：
A number of microstrip antenna arrays have been designed based on the improved size patch elements with different substrate heights to evaluate the gain enhancement in practical measurements. Initially, microstrip patch antenna arrays (MPAAs) have been designed, analysed and tested at 10 GHz frequency and then the optimised high gain (similar to 21 dBi) array is fabricated and tested at 60 GHz-band frequencies. It has been found that the loss emergence due to the long feeding transmission line (TL) network severely degrades the antenna gain in large MPAAs on the thicker substrates. However, the gain can be significantly enhanced in large MPAAs by employing relatively thinner substrate but it shrinks the return loss (S11) bandwidth (BW) and increases the side lob level (SLL). (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：105 / 113
页数：9
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