Başlık için Mühendislik ve Doğa Bilimleri Fakültesi listeleme
Toplam kayıt 890, listelenen: 1-20
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2D CMUT array based ultrasonic micromanipulation platform
(IEEE Computer Society, 2016)In this paper, we designed and simulated a multilayer planar resonator with target frequency of 2.5 MHz which is created over a row/column-addressed 2D CMUT array. We have shown through finite element modeling and simulations ... -
A 3-DoF robotic platform for the rehabilitation and assessment of reaction time and balance skills of MS patients
(Public Library of Science, 2023)The central nervous system (CNS) exploits anticipatory (APAs) and compensatory (CPAs) postural adjustments to maintain the balance. The postural adjustments comprising stability of the center of mass (CoM) and the pressure ... -
5G and beyond networks
(Elsevier, 2021)This chapter investigates the Network Layer aspects that will characterize the merger of the cellular paradigm and the IoT architectures, in the context of the evolution towards 5G-and-beyond, including some promising ... -
5G sonrası için farklı kablosuz haberleşme sistemlerinde dalga şekli tasarım öncelikleri
(Institute of Electrical and Electronics Engineers Inc., 2017)5G ve sonrası hücresel ağların geliştirilmesi sürecinde birçok farklı kablosuz haberleşme sistemini kapsayacak şekilde çok büyük bir çatı sisteme ulaşılacağı öngörülmektedir. Bu çatı altında, farklı gereksinim ihtiyaçlarına ... -
5g ve ötesi için yeni nesil dalga şekli yaklaşımları
(Institute of Electrical and Electronics Engineers Inc., 2016)5G ve sonrası hücresel haberle¸sme sistemleri için yenidalga ¸sekli geli¸stirme çalı¸smaları tüm dünyada devam etmektedir.Yüksek veri hacmi, yüksek veri hızları, dü¸sük gecikme süreleri,yüksek uçbirim sayısı, çoklu anten ... -
5G/6G uygulamaları için 65nm CMOS ile 6GHz düşük gürültülü yükselteç tasarımı
(Institute of Electrical and Electronics Engineers Inc., 2020)It is envisaged that 6G network technology will be popular due to its higher working frequencies than 5G networks, and this will ensure higher data rates, greater capacity and lower latency. 6G mobile technology will support ... -
A 70-to-2 v triboelectric energy harvesting system utilizing parallel-SSHI rectifier and DC-DC converters
(Institute of Electrical and Electronics Engineers Inc., 2021)In this article, first integrated circuit (IC) implementation of parallel synchronized switching harvesting on inductor (p-SSHI) is presented for triboelectric energy harvester targeting 1 Hz to 5 Hz mechanical motions. ... -
Abused android permissions by advertising networks
(Institute of Electrical and Electronics Engineers Inc., 2014)Android is the leading mobile operating system for smart phone and mobile tablet platforms. Since these mobile devices contain personal and sensitive data, security is a big challenge for them. Even though various security ... -
Achieving secure communication through pilot manipulation
(Institute of Electrical and Electronics Engineers, 2015)Raising concerns about the security of wireless communication led researchers develop new concepts to keep information secret from eavesdroppers. Among them, physical layer security relies on the features of the wireless ... -
Achieving sustainable development resilience: Poverty reduction through affordable access to electricity in developing economies
(Elsevier Ltd, 2022)Energy is indispensable to bringing off the growing human demand, and it is a challenging global issue to achieve sustainable development goals by using clean energy. The present study evaluates whether access to electricity ... -
Acoustic chamber length performance analysis in ultrasonic pulsating water jet erosion of ductile material
(Elsevier, 2019)Ultrasonic pulsating water jets are a technological modification of water jet technologies that disintegrate materials at pressures <= 100 MPa. Disintegration occurs at a non-systematically determined standoff distance z ... -
Actual precipitation index (API) for drought classification
(Springer International Publishing AG, 2021)The Standard Precipitation Index (SPI) is a widely used statistical technique for the characterization of droughts. It is based on a probabilistic standardization procedure, which converts a Gamma-type probability distribution ... -
Adaptive bit-loading in relay-aided cognitive radio network
(Institute of Electrical and Electronics Engineers Inc., 2017)In this work, we consider a joint power allocation and bit loading problem in an orthogonal frequency division multiplexing (OFDM) based cognitive radio (CR) network. The objective is to maximize the end-to-end rate in a ... -
Adaptive handover control parameters over voronoi-based 5G networks
(2024)Various speed scenarios such as high-speed travelling trains and connected drones over ultra-dense heterogeneous networks (HetNets) may result in a large number of handovers (HOs), which may cause further mobility challenges. ... -
Adaptive OFDM-IM for enhancing physical layer security and spectral efficiency of future wireless networks
(Hindawi Limited, 2018)In this paper, we propose algorithms for enhancing physical layer security and spectral efficiency of Orthogonal Frequency Division Multiplexing (OFDM) with Index Modulation (IM) systems. Particularly, different activation ... -
Adaptive windowing of insufficient CP for joint minimization of ISI and ACI beyond 5G
(Institute of Electrical and Electronics Engineers Inc., 2017)Using minimum, even insufficient guards are proposed to achieve the spectral efficiency and latency requirements of cellular communication systems beyond 5G. This leads to interference in both time and frequency domains. ... -
Advances in quantitative analysis of astrocytes using machine learning
(Wolters Kluwer Medknow Publications, 2023)Astrocytes, a subtype of glial cells, are starshaped cells that are involved in the homeostasis and blood flow control of the central nervous system (CNS). They are known to provide structural and functional support to ... -
Air quality (AQ) identification by innovative trend diagram and AQ index combinations in Istanbul megacity
(Turkish National Committee for Air Pollution and Control (TUNCAP), 2019)Istanbul is one of the megacities with population over 14 million, where the most intensive economic and social human activities take place in Turkey with unprecedented energy consumption and extravagant life style. These ... -
Air-Ground Doppler-delay spread spectrum for dense scattering environments
(Institute of Electrical and Electronics Engineers, 2015)Applications using Air-Ground communications are expected to grow in the future. Low altitude phases of these wireless links are considered sever channels, as they experience huge delay and Doppler spreads, however, they ... -
Analysis and prediction in sparse and high dimensional text data: The case of Dow Jones stock market
(Elsevier B.V., 2020)In this research, we proposed a text analysis system to predict stock market movements using news and social media data. It is a scalable prediction system for sparse and high dimensional feature sets. Using the developed ...