A HIGH GAIN CIRCULARLY POLARIZED (CP) ANTENNA ARRAY USING SEQUENTIAL PHASE (SP) ROTATION TECHNIQUE FOR WLAN APPLICATIONS

被引：0
|
作者：
Sura P.R. [1 ]
Addepalli T. [2 ]
Peddakrishna S. [3 ]
Kumar M.S. [4 ]
Kumar M.K. [5 ]
机构：
[1] Department of ECE, PBR Visvodaya Institute of Technology & Science, Andhra Pradesh, Kavali
[2] Department of ECE, Aditya Engineering College, Surampalem
[3] School of Electronics Engineering, VIT-AP University, Andhra Pradesh, Amaravati
[4] Department of ECE, SRKR Engineering College, Andhra Pradesh, Bhimavaram
[5] Department of ECE, Aditya College of Engineering, Andhra Pradesh, Surampalem
来源：
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | 2023年 / 82卷 / 09期
关键词：
axial ratio; CP antenna; quarter-wave; sequential rotation; WLAN band;
D O I：
10.1615/TelecomRadEng.2023046863
中图分类号：
学科分类号：
摘要：
This paper designs and investigates a high gain circularly polarized 2 × 2 antenna array for wireless applications using the sequential phase rotation technique. The feed network utilizes four rectangular lines of equal width and three 90° arcs. The length of all elements is equal to λg/4 to provide 0°, 90°, 180°, and 270° phase differences at the four outputs of feed network to increase the axial ratio(AR) bandwidth and purity. Four corner truncated patch elements are connected to the feed network to fulfill the 2 × 2 antenna array design. The proposed design operates with an impedance bandwidth of 1.1 GHz from 4.9 GHz to 6 GHz bandwith and an AR bandwidth of 0.8 GHz from 5 GHz to 5.8 GHz band. The maximum measured gain of the antenna array is observed as 8.9 dBic in the operating band. The antenna array was prototyped and tested to validate its performance. This array is well suitable for high gain WLAN applications. © 2023 by Begell House, Inc.
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页码：1 / 11
页数：10
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