Browsing M.S. Theses by Author "Ersoy, Cem."

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  • A virtual path routing algorithm for ATM networks based on the equivalent bandwidth concept 
    Bür, Kaan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    The coexistence of services with different quality of service (QoS) requirements in today's networks makes the efficient use of resources a major issue. It is desirable to improve network efficiency by adaptively assigning ...
  • Abnormal respiratory event detection in sleep: Prescreening system with smart wearables 
    Camcı, Burçin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Sleeping is an important activity to monitor since it has a crucial role in the over all health and well-being of the people and the society. The problems in sleep affect the daily lives of people negatively and a great ...
  • Analytical models for the scalability of dynamic group key agreement protocols and secure file sharing systems 
    Çantalı, Gökcan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Dynamic group key agreement protocols are cryptographic primitives to provide secure group communications in decentralized and dynamic networks. Such protocols provide additional operations to update the group key while ...
  • CAREACT: an adaptive and context aware framework for anomaly detection in ambient assisted living 
    Özen, Mustafa Ozan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, we analyzed current trends and challenges in ambient assisted living environments and deduced that there is a need for a monitoring system that incorporates existing telemonitoring concepts to activities ...
  • Design and implementation of an iot-based home automation system utilizing fog and cloud computing paradigms 
    Özmen, Hüseyin Anıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    There are considerable amount of architectures and implementations for home automation systems in both industry and academia. Many of them target to inform home residents who can be anywhere in the world using Cloud ...
  • Distributed localization algorithms for target tracking in wireless sensor networks 
    Tolgay, Tolga. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    A wireless sensor network (WSN) is a group of tiny wireless sensor nodes which perform sensing and sharing this information in collaboration. WSNs have a wide application area including target tracking. Target tracking is ...
  • Effect of 3D topographical surfaces for the performance evaluation of wireless sensor networks 
    Arslan, Müzeyyen Gökçen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    A wireless sensor network (WSN) is a self-organizing network, consisting of tiny wireless nodes which carry out a sensing and transferring task in collaboration. WSNs are getting popular because of their ease of deployment, ...
  • Efficient feature selection for online activity recognition on smart phones 
    Doğan, Erman. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Activity Recognition (AR) is an active area of research that has direct applications on life quality and health of human beings. Related studies aim to classify di erent daily activities of people with high accuracy rates ...
  • Energy-efficient routing for wireless sensor networks with a mobile sink 
    Tunca, Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The concentration of data tra c towards the sink in a wireless sensor network causes the nearby nodes to deplete their batteries quicker than other nodes, which leaves the sink stranded and disrupts the sensor data reporting. ...
  • Fall risk assessment using gait parameters 
    Pehlivan, Nezihe. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    Falls lead to severe public health problems resulting in devastating psychological and physical consequences for older people and their families. Therefore, fall risk assessment has been a popular eld of research in the ...
  • Fauly tolerance in the data plane of software-defined networks 
    Yamansavaşçılar, Barış. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Failures in networks result in service disruptions which may cause deteriorated Quality of Service for the end users. Since SDN is becoming the mainstream paradigm for networks, especially for data centers, correct ...
  • Fuzzy inference system as a collaboration logic and a new M/N-based track initiation logic for wireless sensor networks 
    Akduran, Mustafa Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    According to the advances in digital electronics, micro-electro-mechanical systems and wireless communication technologies, it is viable to integrate a device with sensing, computing and wireless communication capabilities ...
  • Fuzzy logic based congestion control for progressive image transmission over wireless sensor networks 
    Sönmez, Çağatay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The availability of low-cost camera hardware has enabled the Wireless Multimedia Sensor Networks (WMSNs), and has made it possible to develop multimedia applications such as surveillance systems, traffic control systems, ...
  • Gait analysis using smartwatches 
    Erdem, Naime Şeyma. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Monitoring gait characteristics is an important tool used in many areas including orthopedics, sports, rehabilitation and neurology. Current methods applied to analyze the gait need clinical settings and equipments for ...
  • Graphical user interface customization for the elderly in ambient assisted living environments 
    Torun, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    With the help of the graphical user interfaces (GUI), young people or everyday-computer-users can easily get accustomed to the various digital devices. However, acceptability of GUIs by elderly, as the rapidly growing group ...
  • Human activity recognition using wireless ambient sensor networks 
    Ertan, Halil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Human activity recognition in home settings provides great facilities in ambient assisted living applications. With continuous and long term monitoring, daily routines of the residents can be inferred and any abnormal ...
  • Identifying peptide motifs using genetic algorithms 
    Tanrıseven, Deniz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Finding the ligand motifs binding to the receptor molecules is crucial in vaccine and drug design, especially for the MHC-peptide problem. In this work, for determining the peptide motifs binding to specific MHC molecules, ...
  • Lifetime optimization using nonuniform deployment and heterogeneous sensors in wireless sensor networks 
    Gün, Muharrem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Wireless sensor networks consist of a large number of sensor nodes deployed in a region of interest for monitoring purposes. As sensor nodes are battery powered devices, their operation time is limited. In a multi-hop ...
  • Mitigation techniques for the energy hole problem in wireless sensor networks 
    Bojaxhiu, Ilir. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Uneven energy consumption in wireless sensor networks can drastically reduce the network lifetime. The large number of sensors reporting to a single data collection sink exposes the sensors around the sink to a higher ...
  • Performance evaluation and enhancements in video sensor networks 
    Durmuş, Yunus. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Video Sensor Networks are developed with the aim of advancing the application performance of the traditional sensor networks and creating new applications. For instance, the reliability of surveillance applications is ...

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