A Simple Interference and Power-based Direction of Arrival Measuring System for Modern Communication

Authors

  • Nga Vu 1)School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam 2) École normale supérieure Paris-Saclay Université Paris-Saclay, 91190, France
  • Thinh Le 1) School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam 2)College of Engineering University of North Texas, 76205, Texas, USA https://orcid.org/0000-0003-3257-0799
  • Minh Dinh 1) School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam2 )Department of Electrical and Computer Engineering University of Southern California, 90089, California, USA https://orcid.org/0000-0002-2121-111X
  • Minh Thuy Le School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam https://orcid.org/0000-0002-5712-7032

DOI:

https://doi.org/10.13052/2023.ACES.J.380505

Keywords:

antennas, direction-of-arrival, interferometry, power amplifier, Wilkinson power divider

Abstract

In this paper, we present a system specialized for measuring the direction-of-arrival (DoA) of electromagnetic waves with noticeable simplicity. Unlike common methods, which are based heavily on complex computation and signal processing, our proposed system is considerably simpler, both in terms of design and operating theory. Our design consists of two directional antennas for collecting incident waves, a system of Wilkinson power combiners and dividers in which the waves collected by the antennas interfere, a result-processing block consisting of power amplifiers, rectifiers, and a microcontroller unit that respectively converts the interferometric radio-frequency (RF) signal into direct-current (DC) signal, measures its corresponding power before calculating the incident angle solely based on a simple trigonometric equation. The system yields a high accuracy of less than 7.5o with the incident angle ranging from −60o to 60o.

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Author Biographies

Nga Vu, 1)School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam 2) École normale supérieure Paris-Saclay Université Paris-Saclay, 91190, France

Nga Vu received her B.Sc. degree in Control and Automation Engineering from the School of Electrical and Electronic Engineering of Hanoi University of Science and Technology in 2021. She is currently doing a Master’s at École normale supérieure Paris-Saclay - Université Paris-Saclay, France. Her research interest is applied electromagnetics.

Thinh Le, 1) School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam 2)College of Engineering University of North Texas, 76205, Texas, USA

Thinh Le received his B.Sc. degree in Control and Automation Engineering from the School of Electrical and Electronics Engineering of Hanoi University of Science and Technology in 2022. He is currently doing a Master’s at University of North Texas, USA. His research interests is applied electromagnetics.

Minh Dinh, 1) School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam2 )Department of Electrical and Computer Engineering University of Southern California, 90089, California, USA

Minh Dinh received his B.Sc. degree from Hanoi University of Science and Technology in 2021. He is currently pursuing his doctorate in Electrical Engineering at the University of Southern California, USA. His research interest is photonics.

Minh Thuy Le, School of Electrical and Electronic Engineering Hanoi University of Science and Technology, 11515, Vietnam

Minh Thuy Le received her B.Sc. and M.S. degrees in Electrical Engineering from Hanoi University of Science and Technology in 2006 and 2008, respectively, and Ph.D.degree in Optics and Radio Frequency from Grenoble Institute of Technology, France in 2013. She is currently an Assoc. Prof. and a group leader of the Radio Frequency group at the Smart Sensor Laboratory, School of Electrical and Electronic Engineering (SEEE), Hanoi University of Science and Technology (HUST). Her research interests include build-in antenna, antenna array, beamforming, metamaterials, energy harvesting and wireless power transfer.

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Published

2023-09-18

How to Cite

[1]
N. . Vu, T. . Le, M. . Dinh, and M. T. . Le, “A Simple Interference and Power-based Direction of Arrival Measuring System for Modern Communication”, ACES Journal, vol. 38, no. 05, pp. 325–332, Sep. 2023.

Issue

2023: Vol 38 Iss 5

Section

Articles