Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Multibeam Cylindrical Conformal Array in the Presence of Enhanced Mutual Coupling

Xianyang Lv
ORCID logo ,
Yongwei Zhang
* ORCID logo ,
Quan Shi
* ,
Yanwei Fu
ORCID logo ,
Murat Temiz
,
Ahmed El-Makadema
,
Hongliang Li
Version 1 : Received: 15 November 2023 / Approved: 16 November 2023 / Online: 16 November 2023 (10:29:42 CET)

A peer-reviewed article of this Preprint also exists.

Lv, X.; Zhang, Y.; Shi, Q.; Fu, Y.; Temiz, M.; El-Makadema, A.; Li, H. Multibeam Cylindrical Conformal Array in the Presence of Enhanced Mutual Coupling. Electronics 2024, 13, 373. Lv, X.; Zhang, Y.; Shi, Q.; Fu, Y.; Temiz, M.; El-Makadema, A.; Li, H. Multibeam Cylindrical Conformal Array in the Presence of Enhanced Mutual Coupling. Electronics 2024, 13, 373.

Abstract

The limitations of conventional sensors have made phased array antennas increasingly crucial for gathering information and communication applications in intelligent transportation systems. Compact cylindrical arrays, in particular, are favored for their ability to achieve azimuth angle scan. However, the substantial mutual coupling effect between elements on curved surfaces and its implication in these arrays remains unclear, which is a crucial factor to consider when such arrays are used for multibeam applications. This study investigated the effect of mutual coupling in a dual-slant-polarized cylindrical array. The results showed that mutual coupling is essential for achieving an ultra-wide bandwidth. Mutual coupling is predominantly observed among elements that are closely positioned. The study also analyzes the impact of mutual coupling on scan impedance and radiation characteristics for multibeam applications and reveals that these arrays exhibit robust multibeam capability, hence having great potential for use in intelligent transportation systems.

Keywords

conformal array; cylindrical array; dual polarization; mutual coupling

Subject

Engineering, Telecommunications

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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