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Toplam kayıt 11, listelenen: 1-10
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 ...
Advanced cross-layer secure communication designs for future wireless systems
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Due to the inherent vulnerability of wireless transmission to eavesdropping, con- dentiality arises as a challenging issue especially for future wireless networks because of their unique requirements. To cope with this, ...
FM band channel measurements and modelling
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
As the demand for higher data rates increases every day, the need for new frequency bands becomes more and more prominent. The FM band between 88 and 108 MHz is one of the bands that are not fully utilized. This band for ...
Emulation techniques for small scale fading aspects of wireless channels by using reverberation chamber
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Reverberation chambers (RVCs) are used to provide an effective and reliable testbed for emulating wireless channel effects in the laboratory environment. Various techniques that enrich the capabilities of the RVC in channel ...
Design of a voltammetry system for in vivo measurement of dopamine concentration
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Dopamine has a critical role in motor control, motor learning, reinforcement learning, cognition, attention and motivation. Consequently, the physiology of the dopaminergic system is an important and highly active research ...
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 ...
NOMA multi-numerology and guard reduction methods in OFDM systems for 5g networks
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Non-orthogonal multiple access (NOMA) is a promising technique which outperforms the traditional multiple access schemes in many aspects. It uses superposition coding (SC) to share the available resources among the users ...
Aerial platforms utilization for future networks
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Challenges facing the next generation of communication systems include utilizing the wireless networks in the rural areas and disaster situations, as well as the requirements of high capacity services and connectivity ...
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 ...
5G challenges : Waveform design and D2D communication
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)
Fifth generation (5G) of communication systems is expected to satisfy a wide variety of requirements with regards to different applications. Flexibility, low latency, low power consumption are the most important ones. Using ...