Researcher:
Aktaş, Dilara

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PhD Student

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Dilara

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Aktaş

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Aktaş, Dilara

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2021 - 20222

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Researcher Of Publications: search.filters.isAuthorOfPublication.65a51239-5c76-49e2-8adc-d24f53c36180

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    A mechanical transduction-based molecular communication receiver for ınternet of nano things (IoNT)
    (Assoc Computing Machinery, 2021) N/A; Department of Electrical and Electronics Engineering; Aktaş, Dilara; Akan, Özgür Barış; PhD Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 6647
    Molecular conununication (MC) is one of the most promising technology to enable nanonetworks. Despite many aspects of MC have been investigated broadly, the physical design of the MC receiver has gained little interest. High-performance MC receivers based on bioFETs are proposed and extensively analyzed. However, they have some challenges such as limited detection with charged molecules, Debye screening, and the need for reference electrodes. To overcome these shortcomings, we propose a mechanical-based transducing scheme. In particular, we focus on a Flexure field-effect transistor (FET)-based MC receiver architecture, which provides exponentially high sensitivity by utilizing a nonlinear electromechanical coupling. In addition, the detection of neutral molecules with much simpler instrumentation is possible. In this paper, we analyze its fundamental performance metrics; sensitivity, noise power, signal-to-noise ratio, and the symbol error probability, from an MC theoretical perspective.
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    Weight shift keying (WSK) with practical mechanical receivers for molecular communications in internet of everything
    (IEEE-Inst Electrical Electronics Engineers Inc, 2022) N/A; Department of Electrical and Electronics Engineering; Aktaş, Dilara; Akan, Özgür Barış; PhD Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 6647
    Molecular communication (MC) is one of the emerging technologies enabling nanonetworks and the Internet of Everything (IoE). The practical implementation of the intra-body MC systems is crucial for realizing smart healthcare applications, i.e., drug delivery, early detection, and health monitoring, through communication between nanomachines. A Flexure field-effect transistor (FET) based MC receiver, providing high sensitivity by utilizing nonlinear electromechanical coupling, has recently been proposed. It can also identify neutral molecules, unlike bioFETs. Thus, virus or pathogen detection can be performed with onboard computing by these receivers placed in the Edge. To date, biosensor-based MC receivers have been analyzed only for concentration shift keying (CSK), although weight shift keying (WSK) is a very robust modulation technique. The Flexure-FET-based MC receiver is a great candidate for use in a WSK-based MC system since its transduction mechanism relies on the molecular weight. This work presents the first practical approach to a WSK-based MC system with an improved Flexure-FET-based MC receiver. Its key performance metrics are analyzed from a theoretical MC perspective, also considering biological interference to obtain a more realistic simulation.