Browsing Lisansüstü Eğitim Enstitüsü by Department "Enstitüler, Lisansüstü Eğitim Enstitüsü, Elektronik Mühendisliği Ana Bilim Dalı"
Now showing items 1-20 of 34
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Air quality prediction using a hybrid deep learning architecture
(Kadir Has Üniversitesi, 2020)Air pollution prediction is related to the variables in environmental monitoring data and modeling of the complex relationship between these variables. The objectives of the thesis are to develop a supervised model for the ... -
Analysis of visible light communation sytems and adaptive equalization effects
(Kadir Has Üniversitesi, 2015)Communication by means of visible light is a newly developing technology that has been brought up as an alternative to the current electromagnetic based communication systems. The recently conducted studies led to the use ... -
Artificial neural network based sparse channel estimation for OFDM systems
(Kadir Has Üniversitesi, 2017)In order to increase the communication quality in frequency selective fading channel environment, orthogonal frequency division multiplexing (OFDM) systems are used to combat inter-symbol-interference (ISI). In this thesis, ... -
Autonomous vehicle control using reinforcement learning
(Kadir Has Üniversitesi, 2020)Autonomous vehicles have become an important research topic where artificial intelligence is applied. As the research increases, by means of the applications of artificial intelligence algorithms in different areas, enable ... -
Bayesian learning for cellular neural networks
(Kadir Has Üniversitesi, 2013)Cellular Neural Networks have been an active research eld since their introduction in the late 80s. Several training algorithms are proposed since then. All have their advantages and disadvantages. Most of them uses ... -
Caching algorithm implementation for edge computing in IoT network
(Kadir Has Üniversitesi, 2020)The developing IoT concept brings new challenges to the service providers. The architecture of the networks changes to satisfy the needs arising by the large number of connected devices. Edge computing is the new architectural ... -
Coexistence of cognitive radio based networks in tv white space
(Kadir Has Üniversitesi, 2016)Due to increasing data rates in enhancing wireless communications RF spectrum which is one of the most crucial natural sources has become more valuable. in order to utilize the limited spectrum e_ciently and solve the ... -
Computation of two-variable mixed element network functions
(Kadir Has Üniversitesi, 2017)in this dissertation the algorithm known as “Standard Decomposition Technique (SDT)” is used together with Belevitch’s canonic representation of scattering polynomial for two-port networks operate on high frequency to ... -
Detection of interdependent multiband systems for cognitive radios and ultra-wideband systems
(Kadir Has Üniversitesi, 2012)As a result of advances in the wireless technology new systems have been proposed and hence more frequency bands are occupied in the spectrum. Therefore the number ofavailable frequency bands for future wireless communication ... -
Explicit solutions of two-variable scattering equations and broadband matching network design
(Kadir Has Üniversitesi, 2019)Karışık devre elemanı (toplu ve dağıtılmış eleman) içeren devreler mikrodalga mühendisliği için önemli bir konudur (Aksen, 1994). Toplu elemanlar arasındaki bağlantılar, iletim hattı olarak düşünülüp devre elemanı olarak ... -
Femtocell design for data communications in mobile networks
(Kadir Has Üniversitesi, 2013)in this thesis game theoretic utility-based adaptive power control algorithm for uplink of femtocell networks is performed for mitigation of interference in two different ways. The first one is allocation of femtocell ... -
Load flow based electrical system design and short circuit analysis
(Kadir Has Üniversitesi, 2019)Load flow and short circuit behaviour of electrical energy systems are investigated. The system to be investigated, is designed based on a 230kVA power grid analytical model. Load flow analysis is crucial for the design ... -
Log analysis with anomaly detection
(Kadir Has Üniversitesi, 2019)Detection of anomalies in the data is an important data analysis job for server logs as they will reveal many benefits. Different types of methods can be used for anomaly detection: supervised, semi-supervised, and supervised ... -
Low energy fixed clustering algorithm for wireless sensor networks
(Kadir Has Üniversitesi, 2016)Wireless sensor networks (WSNs) have become an important part of our lives as they can be used in vast application areas from disaster relief to health care. As a consequence the life span and the energy consumption of a ... -
Modelling of visible light channels and performance analysis for optical ofdm systems
(Kadir Has Üniversitesi, 2016)This work is concerned with a challenging problem of modeling and simulation of visible light communications (VLC) channels for optical wireless communication (OWC) systems. A proper channel model for VLC is absent in the ... -
Multi-sensor indoor positioning
(Kadir Has Üniversitesi, 2022-01)In this study, multi-sensor indoor positioning methods, which fuse the tri-laterated position data of the target are considered. The lateration is based on the dis tances that are obtained using the signal strengths received ... -
Neural network based channel estimation for time-varying OFDM systems
(Kadir Has Üniversitesi, 2023)LTE gibi sistemler sayesinde, maksimum 100 Mbit/s'ye kadar veri hızlarına ulaşmak mümkün olmaktadır. Ancak, bu hızlara kullanıcı tarafındaki hareketliliğin olmadığı veya düşük olduğu senaryolarda erişilebilir. Kullanıcının ... -
New channel estimation techniques for cooperative underwater acoustic OFDM systems
(Kadir Has Üniversitesi, 2013)Cooperative underwater acoustic communication systems come into prominence in recent years. Since underwater channels are sparse and additive noise entering the system is colored Gaussian noise it is very difficult to ... -
Optimal rate and power allocation algorithm in tdd-ofdm based two-tier femtocell networks
(Kadir Has Üniversitesi, 2014)People nowadays are witnessing the acceleration of development of electronics. The new technologies of electronic devices has made mobile phones smarter and more technologically advanced, where they support software platforms ... -
Performance analysis of low complexity maximal ratio transmission approaches in multi-relay networks
(Kadir Has Üniversitesi, 2014)Kablosuz ileti sim a ğlarının artan talebi karşılamak için yüksek veri hızına sahip, yüksek güvenilirlikli ve düşük enerji tüketimli olması gerekmektedir. Bu nedenle, bu doktora tezi düşük karmaşıklığa sahip kuvvetlendir-aktar ...