Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications

Xingchen Li; Mohammad Al-Juwhari; Mahin Ahamed; Mohamed Basha; Jeb Flemming; Madhavan Swaminathan

doi:10.1109/IMS40360.2025.11104043

Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications

Xingchen Li
, Mohammad Al-Juwhari
, Mahin Ahamed
, Mohamed Basha
, Jeb Flemming
, Madhavan Swaminathan

Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This paper presents the first demonstration of the empty-substrate integrated waveguide (eSIW) based beamformer system on glass package for G-band phased array applications. Featuring vertical aperture feeding, 200 GHz eSIW-based Butler matrix and slot antenna/array are designed and characterized. The Butler matrix presents 4.73 dB maximum amplitude imbalance at 200 GHz and realizes reliable phase difference through different ports. The slot antenna and array show over 15 GHz bandwidth and the beamwidths match the simulation. These results reveal the great potential of eSIW-based beamforming array for G-band phased array applications.

Original language	English (US)
Title of host publication	2025 IEEE/MTT-S International Microwave Symposium, IMS 2025
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	659-662
Number of pages	4
ISBN (Electronic)	9798331514099
DOIs	https://doi.org/10.1109/IMS40360.2025.11104043
State	Published - 2025
Event	2025 IEEE/MTT-S International Microwave Symposium, IMS 2025 - San Francisco, United States Duration: Jun 15 2025 → Jun 20 2025

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
ISSN (Print)	0149-645X

Conference

Conference	2025 IEEE/MTT-S International Microwave Symposium, IMS 2025
Country/Territory	United States
City	San Francisco
Period	6/15/25 → 6/20/25

All Science Journal Classification (ASJC) codes

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/IMS40360.2025.11104043

Cite this

Li, X., Al-Juwhari, M., Ahamed, M., Basha, M., Flemming, J., & Swaminathan, M. (2025). Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications. In 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025 (pp. 659-662). (IEEE MTT-S International Microwave Symposium Digest). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IMS40360.2025.11104043

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title = "Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications",

abstract = "This paper presents the first demonstration of the empty-substrate integrated waveguide (eSIW) based beamformer system on glass package for G-band phased array applications. Featuring vertical aperture feeding, 200 GHz eSIW-based Butler matrix and slot antenna/array are designed and characterized. The Butler matrix presents 4.73 dB maximum amplitude imbalance at 200 GHz and realizes reliable phase difference through different ports. The slot antenna and array show over 15 GHz bandwidth and the beamwidths match the simulation. These results reveal the great potential of eSIW-based beamforming array for G-band phased array applications.",

author = "Xingchen Li and Mohammad Al-Juwhari and Mahin Ahamed and Mohamed Basha and Jeb Flemming and Madhavan Swaminathan",

note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025 ; Conference date: 15-06-2025 Through 20-06-2025",

year = "2025",

doi = "10.1109/IMS40360.2025.11104043",

language = "English (US)",

series = "IEEE MTT-S International Microwave Symposium Digest",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "659--662",

booktitle = "2025 IEEE/MTT-S International Microwave Symposium, IMS 2025",

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Li, X, Al-Juwhari, M, Ahamed, M, Basha, M, Flemming, J & Swaminathan, M 2025, Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications. in 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025. IEEE MTT-S International Microwave Symposium Digest, Institute of Electrical and Electronics Engineers Inc., pp. 659-662, 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025, San Francisco, United States, 6/15/25. https://doi.org/10.1109/IMS40360.2025.11104043

Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications. / Li, Xingchen; Al-Juwhari, Mohammad; Ahamed, Mahin et al.
2025 IEEE/MTT-S International Microwave Symposium, IMS 2025. Institute of Electrical and Electronics Engineers Inc., 2025. p. 659-662 (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications

AU - Li, Xingchen

AU - Al-Juwhari, Mohammad

AU - Ahamed, Mahin

AU - Basha, Mohamed

AU - Flemming, Jeb

AU - Swaminathan, Madhavan

PY - 2025

Y1 - 2025

N2 - This paper presents the first demonstration of the empty-substrate integrated waveguide (eSIW) based beamformer system on glass package for G-band phased array applications. Featuring vertical aperture feeding, 200 GHz eSIW-based Butler matrix and slot antenna/array are designed and characterized. The Butler matrix presents 4.73 dB maximum amplitude imbalance at 200 GHz and realizes reliable phase difference through different ports. The slot antenna and array show over 15 GHz bandwidth and the beamwidths match the simulation. These results reveal the great potential of eSIW-based beamforming array for G-band phased array applications.

AB - This paper presents the first demonstration of the empty-substrate integrated waveguide (eSIW) based beamformer system on glass package for G-band phased array applications. Featuring vertical aperture feeding, 200 GHz eSIW-based Butler matrix and slot antenna/array are designed and characterized. The Butler matrix presents 4.73 dB maximum amplitude imbalance at 200 GHz and realizes reliable phase difference through different ports. The slot antenna and array show over 15 GHz bandwidth and the beamwidths match the simulation. These results reveal the great potential of eSIW-based beamforming array for G-band phased array applications.

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UR - https://www.scopus.com/pages/publications/105014241533#tab=citedBy

U2 - 10.1109/IMS40360.2025.11104043

DO - 10.1109/IMS40360.2025.11104043

M3 - Conference contribution

AN - SCOPUS:105014241533

T3 - IEEE MTT-S International Microwave Symposium Digest

SP - 659

EP - 662

BT - 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025

PB - Institute of Electrical and Electronics Engineers Inc.

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ER -

Li X, Al-Juwhari M, Ahamed M, Basha M, Flemming J, Swaminathan M. Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications. In 2025 IEEE/MTT-S International Microwave Symposium, IMS 2025. Institute of Electrical and Electronics Engineers Inc. 2025. p. 659-662. (IEEE MTT-S International Microwave Symposium Digest). doi: 10.1109/IMS40360.2025.11104043

Empty-Siw (Esiw) Based Beamformer System on Glass Package for G-Band Phased Array Applications

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