Engineering

Arian Nowbahari is an imaging engineer with a Ph.D. in Electronic Engineering. His doctoral work focused on IoT circuits, acoustic wake-up receivers, and CMOS comparator modeling.

He currently works as a Senior Application Engineer at Sony Semiconductor Solutions, specializing in automotive imaging systems. His previous research includes ultra-low-power electronics, energy harvesting, and sensor interfaces, with publications in IEEE Transactions, IEEE Access, and Electronics.

Notable projects include Painting-on-Chip (PoC) – experimental artwork on microchips – and the development of novel decoding mechanisms. He also holds certifications in camera flare analysis, image quality assessment, camera calibration, and integrated circuits design, reflecting expertise across imaging and electronics.

Current Role

Senior Application Engineer – Sony Europe

Oslo, Norway, Nov 2023 – Present

Focus: Imaging systems for automotive applications

Previous Experience

Researcher – Vestfold Innovation Center

Horten, Norway, 2023

Focus: Energy Harvesting for Ultra-Low Power IoT Nodes

Visiting Researcher – Rensselaer Polytechnic Institute

Department of Mechanical, Aerospace, and Nuclear Engineering, Troy, New York, USA, 2022

Education

Ph.D., Applied Micro- and NanoSystems – Universitetet i Sørøst-Norge

Department of Microsystems, 2019-2023, Norway

Thesis: Low Power Circuits and Archirectures for Wireless Sensor Networks

Public Defence

M.Sc. & B.Sc., Electronic Engineering – Politecnico di Torino

Department of Electronics and Telecommunications, 2014 – 2019, Italy

Thesis: Design of a Low Cost Single Gate Planar Junctionless Transistor over FD-SOI Wafer

Publications

Wake-Up Receivers

A. Nowbahari, L. Marchetti and M. Azadmehr, “Low Power Wake-Up Receivers for Underwater Acoustic Wireless Sensor Networks,” in IEEE Transactions on Green Communications and Networking, doi: 10.1109/TGCN.2023.3279627.
A. Nowbahari, L. Marchetti and M. Azadmehr, “An Ultra-Low Power Multivibrator-Based Wake-up Receiver for Wireless Sensor Networks,” 2021 IEEE 7th World Forum on Internet of Things (WF-IoT), 2021, pp. 380-384, doi: 10.1109/WF-IoT51360.2021.9595159.
A. Nowbahari, L. Marchetti and M. Azadmehr, “An Oscillator-Based Wake-Up Receiver for Wireless Sensor Networks,” 2021 IEEE Sensors Applications Symposium (SAS), 2021, pp. 1-5, doi: 10.1109/SAS51076.2021.9530093.
A. Nowbahari, L. Marchetti and M. Azadmehr, “Nano-Power Monostable-Based Wake-Up Mechanism for Wireless Sensor Networks,” 2022 11th International Conference on Communications, Circuits and Systems (ICCCAS), 2022, pp. 187-191, doi: 10.1109/ICCCAS55266.2022.9825344.
A. Nowbahari, L. Marchetti and M. Azadmehr, “A Delay-Based Wake-Up Receiver for Wireless Sensor Networks,” 2021 International Conference on Electrical, Communication, and Computer Engineering (ICECCE), 2021, pp. 1-5, doi: 10.1109/ICECCE52056.2021.9514246.

Schmitt Triggers

A. Nowbahari, L. Marchetti and M. Azadmehr, “Subthreshold Modeling of a Tunable CMOS Schmitt Trigger,” in IEEE Access, 2023, doi: 10.1109/ACCESS.2023.3241492.
A. Nowbahari, L. Marchetti and M. Azadmehr, “Weak Inversion Model of an Inverting CMOS Schmitt Trigger,” 2022 11th International Conference on Communications, Circuits and Systems (ICCCAS), 2022, pp. 1-5, doi: 10.1109/ICCCAS55266.2022.9824290.
A. Nowbahari, L. Marchetti, and M. Azadmehr, “Analysis of a Low Power Inverting CMOS Schmitt Trigger Operating in Weak Inversion,” International Journal of Electrical and Electronic Engineering & Telecommunications, Vol. 11, No. 6, pp. 392-397, November 2022. doi: 10.18178/ijeetc.11.6.392-397.

Sensor Interfaces

M. Azadmehr, A. Nowbahari, L. Marchetti and R. Langoy, “A Low Power Front-End for Resistive Sensors based on Switch-Cap Current Reuse,” 2022 IEEE 15th Dallas Circuit And System Conference (DCAS), 2022, pp. 1-5, doi: 10.1109/DCAS53974.2022.9845572.

Electronic Devices

Nowbahari, Arian, Avisek Roy, and Luca Marchetti. “Junctionless transistors: State-of-the-art.” Electronics 9.7 (2020): 1174.
Nowbahari, Arian, et al. “Analysis of an Approximated Model for the Depletion Region Width of Planar Junctionless Transistors.” Electronics 8.12 (2019): 1436.

Energy Harvesters

Li, J.; Ouro-Koura, H.; Arnow, H.; Nowbahari, A.; Galarza, M.; Obispo, M.; Tong, X.; Azadmehr, M.; Halvorsen, E.; Hella, M.M.; Tichy, J.A.; Borca-Tasciuc, D.-A. Broadband Vibration-Based Energy Harvesting for Wireless Sensor Applications Using Frequency Upconversion. Sensors 2023, 23, 5296.
Li J, Ouro-Koura H, Arnow H, Nowbahari A, Galarza M, Obispo M, Tong X, Azadmehr M, Hella MM, Tichy JA, Borca-Tasciuc DA. A Novel Comb Design for Enhanced Power and Bandwidth in Electrostatic Mems Energy Converters. In 2023 IEEE 36th International Conference on Micro Electro Mechanical Systems (MEMS) 2023 Jan 15 (pp. 728-731). IEEE. Electronics 9.7 (2020): 1174.

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