Antennas for telemetric wireless body area networksM.Sc. (Tech) Elham Moradi’s doctoral dissertation explores the wireless powering of implanted cortical sensor nodes through inductive link using mm-sized implant loops and external transmitting loops.
The advances in wireless communication and integrated circuit technologies and miniaturized Micro-Electro-Mechanical systems (MEMS) has enabled the development of low-power minimally invasive/non-invasive microsensor nodes that can be embedded inside the body or surface-mounted on the body to form a wireless body area network (WBAN). Wireless body area networks are promising in various human-centered authentication and monitoring applications and also in healthcare, as they allow the continuous and in-all-conditions health monitoring of people. The under focus WBAN application for this dissertation is the multidisciplinary field of wireless Brain-Machine Interface (BMI) systems. Providing a direct wireless pathway between the brain and an external device, wireless BMI enables us to control the machine (e.g. a robotic arm) using brain signals. This holds enormous potential to help people suffering from severely disabling neurological conditions to communicate and manage their everyday life more independently.
M.Sc. (Tech) Elham Moradi’s dissertation discusses the wireless powering of neural sensors using mm-sized cortical loop antennas that are capable of coupling efficiently to an external transmitting loop through inductive link. Near field inductive link was chosen to implement the wireless link, as it minimizes the power absorption by the dielectric tissues present in the power path. Different loop configurations are designed by taking into account safety regulations, such as the Specific Absorption Rate (SAR) and also the effect of body tissues on the link power efficiency.
The design methodologies presented in Moradi’s dissertation are suitable for the design of any short range telemetry system for challenging wireless body area networks. The provided design solutions enable the development of extremely simple, ultra low-power passive implantable sensor nodes with minimal invasiveness.
Public defense of a doctoral dissertation on Friday, 2 October 2015
The doctoral dissertation of M.Sc. Elham Moradi in the field of electronics and communications engineering entitled "Antennas for Telemetric Wireless Body Area Networks: Analysis, Design and Performance Validation" will be publicly examined at the Faculty of Computing and Electrical Engineering of Tampere University of Technology (TUT) in auditorium S1, Sähkötalo building (address: Korkeakoulunkatu 3, Tampere, Finland) at 12:00 on Friday, 2 October 2015.
The opponent will be Dr. Apostolos Georgiadis from Centre Tecnologic de Telecomunicacions de Catalunya (CTTC). Professor Leena Ukkonen from the Department of Electronics and Communications Engineering at TUT will act as the Chairman.
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