Magnetoelectric Dipole Antenna Framework Supporting Orbital Angular Momentum Modes

被引：3

作者：

Jofre, Marc ^{[1
]}

Akazzim, Youness ^{[2
]}

Blanch, Sebastian ^{[2
]}

Romeu, Jordi ^{[2
]}

Cetiner, Bedri A. ^{[3
,4
]}

Jofre-Roca, Luis ^{[2
]}

机构：

[1] Univ Politecn Catalunya BarcelonaTech UPC, Dept Network Engn, Barcelona 08860, Spain

[2] Univ Politecn Catalunya BarcelonaTech UPC, Dept Signal Theory & Commun, Barcelona 08034, Spain

[3] Utah State Univ, Dept Elect & Comp Engn, Logan, UT 84322 USA

[4] i5 Technol Inc, North Logan, UT 84341 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2024年 / 72卷 / 04期

关键词：

Antenna; cognitive systems; magnetoelectric; microwaves; orbital angular momentum (OAM); radiation; spherical vector harmonics; vehicular communications; VORTEX ELECTROMAGNETIC-WAVES; RECONFIGURABLE ANTENNA; GENERATION; FREQUENCY;

D O I：

10.1109/TAP.2024.3363448

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：

The ability to use resources to meet the need of growing diversity of communication services and user behavior marks the future of cognitive wireless communication systems. Cognitive wireless technologies for vehicular communications in combination with orbital angular momentum (OAM) modes aim at extending non-line-of-sight (NLOS) short-distance communications for smart mobility. In this regard, OAM antenna frameworks need to be developed to support these technologies. In this work, we describe a magnetoelectric dipole antenna framework supporting OAM modes. The framework is derived from moment tensors of specific vector spherical harmonic (VSH) functions synthesized from dipoles. The antenna framework is discussed in terms of OAM generation, and it is validated numerically and experimentally for l = 1 OAM mode, achieving more than 500-MHz operation bandwidth at the frequency of operation of 3.5 GHz. In addition, for l = 1 OAM mode, the null aligns precisely with the anticipated dimensions numerically computed.

引用

页码：3064 / 3072

页数：9

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