Monopulse Leaky Wave Antennas for RSSI-Based Direction Finding in Wireless Local Area Networks

被引：11

作者：

Gil-Martinez, Alejandro ^{[1
]}

Lopez-Pastor, Jose Antonio ^{[2
]}

Poveda-Garcia, Miguel ^{[1
,3
]}

Algaba-Brazalez, Astrid ^{[4
]}

Canete-Rebenaque, David ^{[1
]}

Gomez-Tornero, Jose Luis ^{[1
]}

机构：

[1] Univ Politecn Cartagena, Dept Technol Informat & Commun, Cartagena 30203, Spain

[2] Tech Univ Cartagena, Grp Electromagnetism Appliedto Telecommun, Cartagena 30202, Spain

[3] Mkt Act Inteligente SL, Res & Dev Dept, Murcia 30010, Spain

[4] Ericsson AB, Ericsson Res, S-41756 Gothenburg, Sweden

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 11期

关键词：

Direction finding; leaky-wave antennas (LWAs); localization; monopulse antennas; wireless networks; DOA ESTIMATION; ARRAY; SYSTEM;

D O I：

10.1109/TAP.2023.3313161

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：

We investigate the use of a single leaky wave antenna (LWA) for amplitude-monopulse direction finding when compared to the more conventional use of two tilted antennas. Thanks to the inherent bidirectional feeding and scanning behavior of LWAs, it is demonstrated a more compact and planar design while offering similar functionality in the far field. The frequency beam squinting effect suffered by the LWA, and its capability to create frequency-scanned monopulse patterns, are also analyzed; moreover, its smaller size mitigates the near-field effects, thus reporting a superior localization performance in the proximity of the antenna. This is experimentally demonstrated with prototypes designed in the 2.4 GHz ISM band, which are subsequently applied for direction finding of mobile devices connected to a Wi-Fi network.

引用

页码：8602 / 8615

页数：14

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