Superdirective Unidirectional Mixed-Multipole Antennas: Designs, Analysis, and Simulations | IEEE Journals & Magazine | IEEE Xplore

Superdirective Unidirectional Mixed-Multipole Antennas: Designs, Analysis, and Simulations


Abstract:

Highly directive antenna systems that will address the needs of space-limited Internet-of-Things (IoT) devices and their NextG applications are in demand. Compact high-fr...Show More

Abstract:

Highly directive antenna systems that will address the needs of space-limited Internet-of-Things (IoT) devices and their NextG applications are in demand. Compact high-frequency high-directivity alternatives to complex, power-hungry phased arrays are desired. Several compact, unidirectional mixed-multipole antennas (UMMAs) based upon mixtures of primarily dipoles and quadrupoles are reported. The simulated performance characteristics of these 28-GHz near-field resonant parasitic (NFRP) antennas, notably their large peak directivities and front-to-back ratios (FTBRs), are presented; they are all demonstrated to be superdirective while having attractive radiation efficiencies. Uniform endfire arrays of active closely spaced equal-length idealized wire dipoles are exemplified as reference cases. The Rayleigh quotient (RQ) method typically used to determine their amplitude coefficients is extended for the first time to achieve unidirectional versions. Comparisons between these unconstrained and constrained RQ-designed arrays are made. While the performance characteristics of the single-source broadside-radiating UMMAs approach those of the reference arrays, a direct comparison of a realizable UMMA with the analogous unequal-length, nonuniformly spaced idealized dipole array demonstrates its superiority. A two-element UMMA array that is scalable to a larger number of elements is also presented and shown to be superdirective, illustrating that the attractive properties of its individual elements are maintained even when mutual coupling occurs.
Published in: IEEE Transactions on Antennas and Propagation ( Volume: 71, Issue: 7, July 2023)
Page(s): 5566 - 5581
Date of Publication: 20 April 2023

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I. Introduction

The quest for compact, high directivity antennas to facilitate the many wireless applications associated with NextG systems and the Internet-of-Things (IoT)/Internet-of-Everything (IoE) continues. Activities have escalated with the anticipated expansion to integrated space and terrestrial networks (ISTNs) [1], [2] and space–air–ground–sea integrated networks (SAGSINs) that hope to integrate satellite communication, aerial, terrestrial, and marine communication networks [3], [4]. Multibeam antenna technologies [5], [6], [7] are expected to play a significant role in achieving the anticipated benefits of these integrated networks.

Cites in Papers - |

Cites in Papers - IEEE (15)

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1.
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3.
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6.
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7.
Ihsan Kanbaz, Mohammadali Mohammadi, Okan Yurduseven, Michail Matthaiou, "Beam-Steering in Super-Directive Antenna Arrays Using Loaded Parasitic Elements", 2024 19th International Symposium on Wireless Communication Systems (ISWCS), pp.1-5, 2024.
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9.
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10.
Richard W. Ziolkowski, "Self-Resonant Broadside-Radiating Superdirective Unidirectional Mixed-Multipole Antennas", 2024 18th European Conference on Antennas and Propagation (EuCAP), pp.1-5, 2024.
11.
Ihsan Kanbaz, Okan Yurduseven, Michail Matthaiou, "Optimization of Super-Directive Linear Arrays with Differential Evolution for High Realized Gain", 2024 18th European Conference on Antennas and Propagation (EuCAP), pp.1-5, 2024.
12.
Richard W. Ziolkowski, "Superdirective Broadside-Radiating Unidirectional Mixed-Multipole Antenna Arrays", 2024 18th European Conference on Antennas and Propagation (EuCAP), pp.1-5, 2024.
13.
Chuan-Sheng Chen, Ren Wang, Jin-Pin Liu, Bing-Zhong Wang, "Flatness Scanning and Superdirectivity in Planar Antenna Arrays: An Analysis and Design Approach Using IDMBSA", IEEE Antennas and Wireless Propagation Letters, vol.23, no.4, pp.1346-1350, 2024.
14.
Ting Shi, Sixin Li, Xiaoming Chen, Xuesong Yuan, Ming-Chun Tang, "Compact and High-Gain Magnetic Dipole Antennas Utilizing Superdirective Array Excitation Condition", IEEE Transactions on Antennas and Propagation, vol.72, no.7, pp.6075-6080, 2024.
15.
Richard W. Ziolkowski, "Superdirective Unidirectional Mixed-Multipole Antenna Designs", 2023 IEEE International Symposium On Antennas And Propagation (ISAP), pp.1-2, 2023.

Cites in Papers - Other Publishers (2)

1.
Dimitrios G. Arnaoutoglou, Tzichat M. Empliouk, Theodoros N. F. Kaifas, Constantinos L. Zekios, George A. Kyriacou, "Perspectives and Research Challenges in Wireless Communications Hardware for the Future Internet and Its Applications Services", Future Internet, vol.17, no.6, pp.249, 2025.
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