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Energy Management of High Rise Building as Micro Grid
(2017)
Diplomityö
Diplomityö
Increase of power demand and greenhouse gas emission from nonrenewable energy resources change the direction to use of renewable energy resources as micro grids. The solar and wind energy is free, infinite, and environment ...
Comparison of Performance and Stability of Different Wearable Passive UHF RFID Tags in Body- worn Configuration.
(2017)
Diplomityö
Diplomityö
RFID or Radio frequency identification is an unsymmetrical radio communication protocol, where uplink (from tag to reader) communication is carried out with backscattering modulation. The foundation of Schottky diodes to ...
Bandlimited Digital Predistortion of Wideband RF Power Amplifiers
(2017)
Diplomityö
Diplomityö
The increase in the demand for high data rates has led to the deployment of wider bandwidths and complex waveforms in wireless communication systems. Multicarrier waveforms such as orthogonal frequency division multiplexing ...
Performance Analysis of Asynchronous NB-IoT Up-link Systems
(2017)
Diplomityö
Diplomityö
The Third Generation Partnership Project (3GPP) published LTE release 13, which standardized a new radio access network (RAN) called Narrowband Internet of Things (NB-IoT). Such networks, particularly designed for massive ...
Multitone NB-IoT optimization based on filtered OFDM waveform
(2017)
Diplomityö
Diplomityö
Narrowband Internet of Things (NB-IoT) is standardized by 3GPP as a novel radio-access scheme for next-generation IoT technology. In-band operation mode, as one of its deployment methods, shares the spectrum of LTE. To ...
Modelling of calcium Dynamics in Astrocyte Geometries
(2018)
Diplomityö
Diplomityö
Astrocytes have historically been referred to as support cells in the central nervous system. In the past two decades, astrocytes have witnessed more interest due to the realization that they are involved in cognitive ...
Testbed Design and Implementation For Wireless Power Transfer Using Software Defined Radios
(2018)
Diplomityö
Diplomityö
The area of wireless power transfer (WPT) dates back more than a century. This capability to transfer power without wires gives also motive for harvesting resources that have not yet been considered, such as the RF signals ...
Passive Positioning Approaches in the Future Positioning Systems
(2017)
Diplomityö
Diplomityö
Wireless Local Area Networks (WLAN) are extending its fields of application and and, in addition, they start to support the indoor wireless positioning. Nevertheless, the challenges they have to deal with are highly ...
Implanted Wireless Sensors For Medical Applications: Exploring the Limits of Inductive Powering.
(2017)
Diplomityö
Diplomityö
Wireless medical implant powering is an emerging sector for future healthcare applications. It enhances the healthcare safety level and the prospects of a better life. The main theme of this research is to design a wireless ...
Validation of Impedance Pneumography Measurement for Assessment of Respiration in Cardiothoracic Surgery Patients
(2017)
Diplomityö
Diplomityö
Impedance pneumography (IP) is an indirect method of assessing respiration by measuring bioimpedance of the thorax. Conventionally respiration is evaluated by measuring the volume of air inhaled and exhaled during forced ...