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Browsing Bilgisayar ve Bilişim Bilimleri Fakültesi by Subject "Telecommunications"

Now showing items 1-20 of 30

A method for the Computational Frequency Sweep Analysis of Nonlinear ODEs using GPU Acceleration

Akgün, Devrim; Ilyas Cankaya; Sezgin Kacar (TAYLOR & FRANCIS LTD, 2019)

Computational sweep analysis of nonlinear ODEs (ordinary differential equations) is of importance in engineering system analysis and design. Sweep analyses usually demand intense computational power according to the number ...
A New Secure Communıcatıons Method Usıng Cascade Chaotıc Computıng Systems

Evirgen, Hayrettin (6 LAURENCE POUNTNEY HILL, LONDON, EC4R OBL, ENGLAND, 2014)
A novel chaos-based encryption algorithm over TCP data packet for secure communication

Çavuşoğlu, Ünal; Akgül, Akif; Sezgin Kacar; Pehlivan, İhsan; Zengin, Ahmet (WILEY-HINDAWI, 2016)

In this article, a new algorithm that can encrypt data on TCP data segment by using a novel chaotic random number generator was developed. First of all, dynamic analyses of the chaotic system to be used were made and the ...
A novel energy-aware routing mechanism for SDN-enabled WSAN

Mohammed Al-Hubaishi; Çeken, Celal; Ali Al-Shaikhli (WILEY, 2019)

Energy consumption is one of the most important design constraints when building a wireless sensor and actuator network since each device in the network has a limited battery capacity, and prolonging the lifetime of the ...
An Accelerated Method for Determining the Weights of Quadratic Image Filters

Suleyman Uzun; Akgün, Devrim (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018)

Quadratic filters are usually more successful than linear filters in dealing with nonlinear noise characteristics. However, determining the proper weights for the success of quadratic filters is not straightforward as in ...
Analysis of Machine Learning Methods in EtherCAT-Based Anomaly Detection

Ovaz Akpınar, Kevser; Özçelik, İbrahim (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019)

Today, the use of Ethernet-based protocols in industrial control systems (ICS) communications has led to the emergence of attacks based on information technology (IT) on supervisory control and data acquisition systems. ...
Analysis of Machine Learning Methods in EtherCAT-Based Anomaly Detection

Ovaz Akpınar, Kevser; Özçelik, İbrahim (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019)

Today, the use of Ethernet-based protocols in industrial control systems (ICS) communications has led to the emergence of attacks based on information technology (IT) on supervisory control and data acquisition systems. ...
Anomaly-Based Intrusion Detection From Network Flow Features Using Variational Autoencoder

Sultan Zavrak; İskefiyeli, Murat (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)

The rapid increase in network traffic has recently led to the importance of flow-based intrusion detection systems processing a small amount of traffic data. Furthermore, anomaly-based methods, which can identify unknown ...
Artificial Neural Network Based Vertical Handoff Algorithm for Reducing Handoff Latency

Çeken, Celal; Calhan, Ali (springer, 2013)

One of the most challenging topics for next generation wireless networks is vertical handoff concept since several wireless technologies are assumed to cooperate. Plenty of parameters related to user preferences, application ...
Cloud Manufacturing Architecture Based on Public Blockchain Technology

Kaynak, Baran; Kaynak, Sümeyye; Uygun, Özer (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)

With Industry 4.0, IT infrastructure has started to be used more effectively in the manufacturing sector. Cyber physical systems, IoT, cloud manufacturing, big data are some of the technologies that make up the concept of ...
Coarse Segmentation With GDD Clustering Using Color and Spatial Data

; Emre Gungor; Özmen, Ahmet (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)

Segmentation is a challenging and important task in image processing while developing vision based decision support systems. Color and brightness are widely used properties for extracting segments, however color information ...
Crowd sensing aware disaster framework design with IoT technologies

Kerem Kucuk; Bayılmış, Cüneyt; Ahmet Furkan Sonmez; Kaçar, Sezgin (SPRINGER HEIDELBERG, 2020)

When a disaster occurs, a huge amount of inconsistent victim or damage information data is received by many different sources. Disaster management systems achieve the completion of a significantly vital task, which is to ...
Deep learning-based face analysis system for monitoring customer interest

Gozde Yolcu; Öztel, İsmail; Çakar, Serap; Öz, Cemil; Filiz Bunyak (SPRINGER HEIDELBERG, 2020)

In marketing research, one of the most exciting, innovative, and promising trends is quantification of customer interest. This paper presents a deep learning-based system for monitoring customer behavior specifically for ...
Development of the ECAT Preprocessor with the Trust Communication Approach

Ovaz Akpınar, Kevser; Özçelik, İbrahim (WILEY-HINDAWI, 2018)

In the past several years, attacks over industrial control systems (ICS) have become increasingly frequent and sophisticated. The most common objectives of these types of attacks are controlling/monitoring the physical ...
Development of the ECAT Preprocessor with the Trust Communication Approach (vol 2018, 2639750, 2018)

Ovaz Akpınar, Kevser; Özçelik, İbrahim (WILEY-HINDAWI, 2019)
Disaster-Aware Datacenter Placement and Dynamic Content Management in Cloud Networks

Sifat Ferdousi; Dikbıyık, Ferhat; M. Farhan Habib; Massimo Tornatore; Biswanath Mukherjee (OPTICAL SOC AMER, 2015)

Recent targeted attacks and natural disasters have made disaster-resilient cloud network design an important issue. Network operators are investigating proactive and reactive measures to prevent huge data loss and service ...
Disaster-Aware Submarine Fiber-Optic Cable Deployment for Mesh Networks

Dikbıyık, Ferhat; Dikbıyık, Ferhat (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2016)

With the increasing social and economic reliance on the Internet and the significant monetary and non-monetary societal cost associated with service interruption, network survivability is an important element in telecommunication ...
Exploiting Excess Capacity, Part II: Differentiated Services Under Traffic Growth

Dikbıyık, Ferhat (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2015)

Connections provisioned in a backbone network are usually protected. A "good" protection scheme can decrease the downtime experienced by a connection, which can reduce (or eliminate) penalties for the violation of the ...
GPU-Based Dynamic Solar Potential Estimation Tool Using 3D Plans

; Kaynak, Sümeyye; Kaynak, Baran; Özmen, Ahmet (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)

Estimations of the solar potential from the building design files may affect placement considerations in favor of more sunlight reception that reduces the energy costs and saves the environment. In this study, a GPU based ...
GPU-Based Dynamic Solar Potential Estimation Tool Using 3D Plans

Kaynak, Sümeyye; Kaynak, Baran; Özmen, Ahmet (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)

Estimations of the solar potential from the building design files may affect placement considerations in favor of more sunlight reception that reduces the energy costs and saves the environment. In this study, a GPU based ...