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OFDM with index modulation for narrowband iot and mmtc
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)The crucial aim for 5G narrowband Internet of Things (NB-IoT) is to support massive Machine-Type Communications (mMTC) with wide coverage area, low power consumption, low hardware complexity and low data rate. Direct ... -
On the design of a flexible waveform and low ici symbol boundary alignment
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2017)Cellular systems of fifth generation (5G) radio access technology is expected to support a wide variety of service requirements in different applications. High reliability, flexibility, spectral efficiency, and low power ... -
Parallelized cyber reconnaissance automation: A real-time and scheduled security scanner
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)The extraordinary advancement of technology has increased the importance of achieving the required level of information security, which is still difficult to achieve. Recently, network and web application attacks have ... -
Path loss prediction from heightmap using deep learning
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Wireless channel parameters of a region are required for a successful network planning. Sufficient information about those parameters can be obtained by either actual measurements or ray-tracing simulations that use 3D ... -
Physical layer security schemes for wireless communication systems
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2016)Security in wireless communications has always been a major concern due to the broadcast nature of the radio waves. Apart from the conventional cryptologic methods that are performed in the upper layers, physical-layer ... -
Physical layer security techniques for future wireless communication systems against eavesdropping
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2020)The inherent broadcast characteristics of wireless communication make it vulnerable to passive eavesdropping. Conventionally, security techniques in the upper layers like cryptography-based techniques have been employed ... -
Plasmonic biosensor design and alternative plasmonic materials
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Light-matter interaction is the one of the most important and studied topic in time dependent quantum mechanic especially for description of spectroscopy. Light matter interaction can be described in two ways. First one ... -
The problems of common criteria evaluation for hospital information management systems in Turkey
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2019)Hospital information management systems (HIMS) are essential tool for hospitals not only for the management of the hospital but also for improving healthcare quality and efficiency. The developed countries set national and ... -
Public perception towards children's COVID-19 vaccination with natural language processing
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)At the end of 2019, Coronavirus disease manifested itself in Wuhan, China, turned into an epidemic, became a global problem, and caused many deaths. As a result of the strategies developed with the spread of the epidemic, ... -
Scattering from a chiral cylinder of arbitrary cross-section above a dielectric half-space
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)A simple numerical solution for electromagnetic scattering from a two dimensional (2-D) homogeneous chiral cylinder of arbitrary cross-section placed above a dielectric half-space is presented. The surface equivalence ... -
Scattering from a chiral cylinder of arbitrary cross-section above a ground plane
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)In this dissertation, a simple, accurate, and efficient solution is presented for the problem of scattering from a chiral cylinder of arbitrary cross-section above a ground plane. Both TM and TE excitations are considered. ... -
Signal processing techniques for security enhancement of wireless networks at the physical layer
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2017)Broadcast nature of wireless communications enables reaching multiple parties simultaneously. However, due to this property, the security of information trans- mission is prone to eavesdropping of unauthorized receivers. ... -
Software implementation of key transceiver algorithms for an in-band full-duplex DVB-S2-based satellite communication system
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Nowadays, the demand for satellite bandwidth is boosted driven by the introduction of new areas of applications such as 5G-satellite integration and the internet of things. In-Band Full-Duplex communications, where a ... -
Super resolution of light fields using convolutional neural network
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and ... -
A surface free energy-based characterization of PEG-PLA coating
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)The field of health has a dynamic structure in terms of its basic structure and therefore needs constant change and development. In addition, limited resources in the field of health and increasing health expenditures ... -
Türkiye medikal turizmi üzerine bir tahmin çalışması
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2020)Sağlık Turizmi, Dünya'nın ve Türkiye'nin son yıllarda dikkatleri üzerine çeken turizm türlerindendir. Bu kadar dikkat çekmesinin elbette ki belli sebepleri bulunmaktadır. Bu sebeplerin en başında ülkelerin ekonomilerine ... -
Türkiye'de özel endüstri bölgesi yapılanması, Deliklikaya Sanayi Bölgesi örneği
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Kalkınmanın en önemli ana itici gücü sanayidir. Dünyada gelişmiş ve güçlü ekonomilere sahip ülkelerin tamamı güçlü bir sanayi üretim yapısına sahiptir. Güçlü sanayi yapıları konusu ele alındığında karşımıza genel ölçekte ... -
Ultra low power 12-bit 100 ks/s differential sar adc in 65 nm cmos technology
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2020)Sensor nodes has preserved their importance in the last couple decades. One of the very fundamental elements of these devices are analog to digital converters. In today's world, the necessity of sensor nodes and implantable ... -
Wireless channel modeling in the TVWS band based on measurements
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)In this thesis, we study TV white space (TVWS) bands, which can be used in next generation networks, in indoor-indoor and indoor-outdoor environments. Path loss measurements are taken at the beginning, middle, and at the ... -
Yoğun bakım ünitelerinde bulunan klinik alarm sistemlerinin risk değerlendirmesi: Özel bir üniversite hastanesinde uygulama
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Hasta güvenliği; sağlık kuruluşunda hasta bakım ve tedavi sürecindeki hataların önlenmesi ve hataların neden olduğu hasta zararlarının azaltılması olarak tanımlanmaktadır. Dünyada yatarak tedavi alan her on hastadan birinin ...