Coupler Integrated Microstrip Patch Linear Phased Array for Self-Calibration

被引：26

作者：

Chae, Soo-Chang ^{[1
]}

Jo, Hye-Won ^{[1
]}

Oh, Ju-Ik ^{[1
]}

Kim, Ghoo ^{[1
]}

Yu, Jong-Won ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Sch Elect Engn, Daejeon 34141, South Korea

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2020年 / 19卷 / 09期

基金：

新加坡国家研究基金会;

关键词：

Active antenna system; coupler integrated microstrip patch; linear phased array antenna; self-calibration;

D O I：

10.1109/LAWP.2020.3011862

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：

In this letter, a coupler integrated microstrip patch linear phased array is proposed as a new self-calibration system. The proposed coupler placed along the edge of the microstrip patch antenna is weakly coupled to the antenna array. This allows self-calibration without affecting the radiation performance of the antenna array. A 1 x 4 coupler integrated patch linear phased array and a beamformer operating at 5.8 GHz were implemented to verify the new self-calibration system. The measurement result using the self-calibration is very close to the result with a vector network analyzer (VNA). The coupler integrated patch linear phased array proposed as a new self-calibration system has 0.22 dB root-mean-square error (RMSE) magnitude and 1.2 degrees RMSE phase. The calibration method using a proposed antenna array is expected to on-site calibration.

引用

页码：1615 / 1619

页数：5

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