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Phase-accurate analytical transmission line model and for a 1--50 GHz millimeter-wave textile-based wearable Goubau Single Wire Transmission Line (SWTL)

Phase-accurate analytical transmission line model and for a 1--50 GHz millimeter-wave textile-based wearable Goubau Single Wire Transmission Line (SWTL)
Phase-accurate analytical transmission line model and for a 1--50 GHz millimeter-wave textile-based wearable Goubau Single Wire Transmission Line (SWTL)
Goubau-Sommerfeld Single Wire Transmission Lines (SWTLs) are a feasible approach for low-loss high-speed transmission. However, the long length of an SWTL makes full-wave electromagnetic simulations too computationally intensive. In this paper, a transmission line model is proposed for a state-of-the-art textile-based wearable broadband millimeter-wave SWTL, which represents the first broadband closed-form analytical model for a wearable surface wave transmission line. The inductance and capacitance are calculated per unit length using closed-form formulas and used to construct a simple SWTL equivalent circuit based on the lossy transmission line model. The analytically calculated phase exhibits under 7% error compared to vector network analyzer (VNA) measurements from 2 to 50 GHz. The VNA measurements are then used to fit the loss terms in the model leading to a good agreement between calculations, full-wave simulations, and experiments. It is anticipated that the developed model and low-cost mmWave SWTL will empower future integration of low-loss SWTLs in different applications without the need for complex numerical simulations.
single wire transmission line, SWTL, goubau line, Goubau Sommerfeld line, SWTL model, transmission line model, single wire transmission line analytical model, phase delay, group delay, group delay measurement, phase-accurate model, lossless transmission line, textile transmission line, wearable SWTL, textile SWTL, 50 GHz SWTL, mmWave transmission line, mmWave, millimeter wave SWTL
IEEE
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693

Wagih, Mahmoud (2022) Phase-accurate analytical transmission line model and for a 1--50 GHz millimeter-wave textile-based wearable Goubau Single Wire Transmission Line (SWTL). In 3rd URSI Atlantic / Asia-Pacific Radio Science Meeting - 2022. IEEE.. (In Press)

Record type: Conference or Workshop Item (Paper)

Abstract

Goubau-Sommerfeld Single Wire Transmission Lines (SWTLs) are a feasible approach for low-loss high-speed transmission. However, the long length of an SWTL makes full-wave electromagnetic simulations too computationally intensive. In this paper, a transmission line model is proposed for a state-of-the-art textile-based wearable broadband millimeter-wave SWTL, which represents the first broadband closed-form analytical model for a wearable surface wave transmission line. The inductance and capacitance are calculated per unit length using closed-form formulas and used to construct a simple SWTL equivalent circuit based on the lossy transmission line model. The analytically calculated phase exhibits under 7% error compared to vector network analyzer (VNA) measurements from 2 to 50 GHz. The VNA measurements are then used to fit the loss terms in the model leading to a good agreement between calculations, full-wave simulations, and experiments. It is anticipated that the developed model and low-cost mmWave SWTL will empower future integration of low-loss SWTLs in different applications without the need for complex numerical simulations.

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More information

Accepted/In Press date: March 2022
Venue - Dates: 3rd URSI Atlantic / Asia-Pacific Radio Science Meeting - 2022<br/>, , Gran Canaria, Spain, 2022-05-29 - 2022-06-03
Keywords: single wire transmission line, SWTL, goubau line, Goubau Sommerfeld line, SWTL model, transmission line model, single wire transmission line analytical model, phase delay, group delay, group delay measurement, phase-accurate model, lossless transmission line, textile transmission line, wearable SWTL, textile SWTL, 50 GHz SWTL, mmWave transmission line, mmWave, millimeter wave SWTL

Identifiers

Local EPrints ID: 456287
URI: http://eprints.soton.ac.uk/id/eprint/456287
PURE UUID: 825d7b97-fefd-4dc9-b7b7-2faf0f8a0dd1
ORCID for Mahmoud Wagih: ORCID iD orcid.org/0000-0002-7806-4333

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Date deposited: 27 Apr 2022 01:25
Last modified: 27 Apr 2022 02:18

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Contributors

Author: Mahmoud Wagih ORCID iD

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