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Now showing items 61-80 of 5784
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Adaptive density control in heterogeneous wireless sensor networks with and without power management
Machado, R.; Ansari, N.; Wang, G.; Tekinay, Şirin (IEEE, 2010-04-30)The authors study the design of heterogeneous two-tier wireless sensor networks (WSNs), where one tier of nodes is more robust and computationally intensive than the other tier. The authors find the ratios of densities of ... -
Adaptive domain-specific service monitoring
Ünsal, A. A.; Sazara, G.; Aktemur, Tankut Barış; Sözer, Hasan (Springer Science+Business Media, 2014)We propose an adaptive and domain-specific service monitoring approach to detect partner service errors in a cost-effective manner. Hereby, we not only consider generic errors such as file not found or connection timed ... -
Adaptive domain-specific service monitoring
Ünsal, Arda Ahmet (2014-01)We propose an adaptive and domain-specific service monitoring approach to detect partner service errors in a cost-effective manner. Hereby, we not only consider generic errors such as file not found or connection timed ... -
Adaptive free space optical communication system with multiple apertures
Nouri, Hatef; Uysal, Murat (2016)In the current literature on free space optical (FSO) communication, typically open-loop designs are considered where the knowledge of channel state information is only available at the receiver. This is mostly favorable ... -
Adaptive inverse kinematics of a 9-DOF surgical robot for effective manipulation
Sunal, Begüm; Öztop, Erhan; Bebek, Özkan (IEEE, 2019)In a robotic-assisted surgical system, fine and precise movement is essential. However, when the user wishes to cover a wider area during tele-operation, the configuration designed for precise motion may restrict the user ... -
An adaptive large neighborhood search for the multi-compartment inventory routing problem
Gültekin, Ceren (2021-06-10)In this thesis study, we concentrate on an inventory routing problem with a fleet of multi-compartment vehicles which enables the distribution of different products to customers on a delivery route. Using separate compartments ... -
Adaptive MIMO free space optical communication systems
Free space optical (FSO) enjoys the high data rate of optical spectrum and have also the flexibility of RF links. FSO systems provide many advantages to the line of sight wireless communication technology. With the recent ... -
Adaptive MIMO FSO communication systems with spatial mode switching
Nouri, Hatef; Uysal, Murat (IEEE, 2018-08)In this paper, we propose an adaptive multiple-input multiple-output (MIMO) free-space optical (FSO) system with dynamic adaptation between spatial modes of operation. The proposed adaptive system supports three MIMO modes. ... -
Adaptive modulation for FSO IM/DD systems with multiple transmitters and receivers
Nouri, Hatef; Sait, S. M.; Uysal, Murat (IEEE, 2023-02)Atmospheric turbulence is a major impairment in free space optical (FSO) communication systems. Since turbulence induced fading exhibits quasi-static characteristics, reliable feedback of channel state information is ... -
An adaptive modulation scheme for coded free-space optical systems
Hariq, S. H.; Odabasioglu, N.; Uysal, Murat (IEEE, 2014)For very slowly-varying fading channels as in the case of atmospheric turbulence-induced fading, it is possible to reliably estimate the channel state information and send it back to the transmitter. The transmitter can ... -
Adaptive multiple-input multiple-output (MIMO) techniques for visible light communications
Visible Light Communication (VLC) technology is a promising solution of wireless communication systems in beyond 5G communication networks, which provides low implementation cost, high energy efficiency, and high-speed ... -
Adaptive OFDM-based acoustic underwater transmission: system design and experimental verification
Sadeghi, Mohammad (2017-08)In this study, we design and implement an adaptive Underwater Acoustic (UWA) orthogonal frequency division multiplexing (OFDM) system employing adaptive modulation and transmit power. Recently, UWA communications gain more ... -
Adaptive OFDM-based acoustic underwater transmission: system design and experimental verification
Sadeghi, Mohammad; Elamassie, Mohammed; Uysal, Murat (IEEE, 2017)In this paper, we present the design and implementation of a software defined orthogonal frequency division multiplexing (OFDM)-based underwater acoustic (UWA) communication system with link adaptation. Our system ... -
Adaptive pairs trading strategy performance in Turkish derivatives exchange with the companies listed on Istanbul stock exchange
Bolgün, K. E.; Kurun, E.; Güven, Serhat (Springer International Publishing, 2012-03-02)We implemented model-driven statistical arbitrage strategies in Turkish equities market. Trading signals are generated by optimized parameters of distance method. When the trade in signal is triggered by the model, ... -
Adaptive power loading for multi-relay OFDM regenerative networks with relay selection
Amin, O.; Uysal, Murat (IEEE, 2012-03)In this paper, we propose an adaptive power loading algorithm for an OFDM (orthogonal frequency division multiplexing)-based multi-relay regenerative network with relay selection. The proposed scheme is based on selecting ... -
Adaptive relay selection method for asynchronous amplify and forward cooperative communications
Celik, Y.; Odabasioglu, N.; Uysal, Murat (IEEE, 2016)In this paper, we propose a new adaptive relay selection method named as Adaptive Best Relay Assessment (ABRA) for cooperative communication with amplify and forward (AF) relaying. ABRA is based on two relay selection ... -
Adaptive shared control with human intention estimation for human agent collaboration
Amirshirzad, Negin; Uğur, E.; Bebek, Özkan; Öztop, Erhan (IEEE, 2022)In this paper an adaptive shared control frame-work for human agent collaboration is introduced. In this framework the agent predicts the human intention with a confidence factor that also serves as the control blending ... -
Adaptive streaming of content-aware-encoded videos in dash.js
Beğen, Ali Cengiz; Akçay, Mehmet Necmettin; Bentaleb, A.; Giladi, A. (IEEE, 2022-05)In Hypertext Transfer Protocol (HTTP) adaptive streaming, the client makes rate adaptation decisions based on the measured network bandwidth and buffer fullness. This simplifies the adaptation logic; however, it often ... -
Adaptive unipolar MIMO-OFDM for visible light communications
Al-Nahhal, Mohamed; Basar, E.; Uysal, Murat (IEEE, 2019)Unipolar orthogonal frequency division multiplexing (U-OFDM) appears as an attractive optical OFDM solution for emerging visible light communication (VLC) systems. This paper proposes spectral efficiency improvement for ... -
An adaptive vent system for localized and customized thermal management in buildings
Keskin, Cem; Mengüç, Mustafa Pınar (ASME, 2020-05-01)This paper introduces an innovative ventilation system that is capable of providing localized and customized thermal conditions in buildings. The system has diffusers with individually operable flaps that facilitate ...
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