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Recent Submissions

  • Interpolation based pilot-aided channel estimation for STBC spatial modulation and performance analysis under imperfect CSI 

    Acar, Yusuf; Doğan, Hakan; Başar, Ertuğrul; Panayırcı, Erdal (INST Engineering Technology-Iet, Michael Faraday House Six Hills Way Stevenage, Hertford Sg1 2Ay, England, 2016-09-20)
    A combination of space-time block coding and spatial modulation (STBC-SM) has been recently proposed for multiple input-multiple output systems to obtain both spatial diversity gain and more capacity simultaneously while ...
  • Production of PEG grafted PAN copolymers and their electrospun nanowebs as novel thermal energy storage materials 

    Sarıer, Nihal; Arat, Refik; Menceloğlu, Yusuf; Önder Karaoğlu, Emel; Boz, Ezgi Ceren; Oğuz, Oğuzhan (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-11-10)
    This paper deals with the synthesis of poly(ethylene glycol) (PEG) grafted poly(acrylo nitrile) (PAN) copolymers as novel solid-solid phase change materials via two step free radical polymerization reaction. The structural ...
  • Special issue: soft computing in software engineering preface 

    Çatal, Çağatay; Bayrak, Coşkun; Nassif, Ali Bou; Polat, Kemal; Akbulut, Akhan (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-12)
  • An improved TvMin plus DART algorithm to reconstruct multilabel images 

    Demircan Türeyen, Ezgi; Kamaşak, Mustafa Erşel (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
    From the algebraic point of view, image reconstruction is an under-determined problem, due to the fact that the projection measurements are a lot fewer than the unknown pixels. Discrete algebraic reconstruction technique ...
  • Smart wearable patient tracking systems 

    Patlar Akbulut, Fatma; Akan, Aydın (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
    Nowadays Smart Wearable Systems (SWS) subject, emerges as one of the most popular research topic. Becouse of being comprimised from multiple disciplines, this area is favored by researchers of different areas. Devices of ...
  • Computer aided autism threapy system design 

    Akbulut, Akhan (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
    Autism spectrum disorder is a developmental disorder such as Asperger's or Rett Syndrome, which damages social interaction and contact with the environment of individuals that prevents brain development. In Turkey, 600,000 ...
  • Analysis of brain connectivity changes after propofol injection by generalized partial directed coherence 

    Gürkan, Güray; Akan, Aydın; Özkan Seyhan, Tülay (Academic Press Inc Elsevier Science, 525 B St, Ste 1900, San Diego, Ca 92101-4495 Usa, 2014)
    In this paper we present a method for the analysis of multichannel EEG by using Generalized Partial Directed Coherence (gPDC) to extract cortical connectivity changes under anesthesia. 15 channel EEG data were recorded ...
  • Rock slope stability assessment of limestone quarry; an example from Istanbul Cebeci region, Turkey 

    Yılmaz, Murat; Tuğrul, Atiye; Er, Selman; Ertin, Altay; Tokgöz, Nuray; Arel, Ersin (Springer International Publishing Ag, Gewerbestrasse 11, Cham, Ch-6330, Switzerland, 2015)
    The Cebeci Region is characterised by famous outcrops of Carboniferous Limestone which is mined out for aggregate production. The aim of this study is to investigate slope stability problems for heavily jointed karstic ...
  • The comparison of different mathematical methods to determine the BOD parameters, a new developed method and impacts of these parameters variations on the design of WWTPs 

    Şibil, Rahim; Berkün, Mehmet; Bekiroğlu, Serkan (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 Usa, 201-01-15)
    One of the most common tests for the determination of strength and organic content of wastewater is the biochemical oxygen demand (BOO). This test is widely applied to define organic water pollution and to control the ...
  • A decision support system to determine optimal ventilator settings 

    Patlar Akbulut, Fatma; Akkur, Erkan; Akan, Aydın; Yarman, B. Sıddık (Biomed Central Ltd, 236 Grays Inn Rd, Floor 6, London Wc1X 8Hl, England, 2014)
    Background: Choosing the correct ventilator settings for the treatment of patients with respiratory tract disease is quite an important issue. Since the task of specifying the parameters of ventilation equipment is entirely ...
  • Generalized Prefix Approach for Alamouti Coded OFDM Systems over Gaussian Channels Correlated in Space 

    Acar, Yusuf; Yıldız, Hakan; Cooklev, Todor; Doğan, Hakan (IEEE, 345 E 47Th St, New York, Ny 10017 Usa, 2014)
    In this ivorkt, generalized frelix (GP) lbr space time block coded orthogonal frequency division multiplexing (STBC-OFDM) systems is considered in the presence of correlated channel. The 2x2 STBC case, in practice, lead ...
  • Iterative Channel Estimation For Spatial Modulation Systems Over Fast Fading Channels 

    Acar, Yusuf; Doğan, Hakan; Panayırcı, Erdal (IEEE, 345 E 47Th St, New York, Ny 10017 Usa, 2014)
    Spatial Modulation (SM) based on the use of antenna indices to transmit information in addition to the conventional signal constellations has been recently proposed to solve practical problems encountered in MIMO systems. ...
  • Improvement of demand forecasting models with special days 

    Çatal, Çağatay; Fenerci, Ayşe; Özdemir, Burçak; Gülmez, Onur (Elsevier Science Bv, Sara Burgerhartstraat 25, Po Box 211, 1000 AE Amsterdam, Netherlands, 2015)
    Forecasting ATM cash demands is a challenging research task. When the forecasting results are too high compared to the real demand, this will cause excessive cash at bank's ATMs and the cost of lost interest. On the other ...
  • Pilot symbol assisted channel estimation for 4x4 space time block coded spatial modulation systems 

    Acar, Yusuf; Doğan, Hakan; Panayırcı, Erdal (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
    Recently, spatial modulation (SM) and space-time block coding (STBC) are combined to take advantage of the benefits of both while avoiding their drawbacks for multiple-input and multiple-output (MIMO) systems. The pioneering ...
  • Development of a Precision Farming System for Turkish Farmers 

    Ürüşan, Ahmet Yücel; Akdemir, Bahattin; Sağlam, Nezihi; Aydoğdu, Beytullah; Bellitürk, Korkmaz; Altınkaradağ, Arda; Kesici, Erol (Int Soc Horticultural Science, Po Box 500, 3001 Leuven 1, Belgium, 2014)
    The objective of this paper is to explain the information about a precision farming system which has been developed for Turkish farmers. The developed system includes a variable rate controller for centrifugal fertiliser ...
  • Geotextile tube usage for coastal shore protection 

    Çokgör, Şevket; Öztuğ, Volkan; Aksel, Murat Aksel (Stef92 Technology Ltd, 1 Andrey Lyapchev Blvd, Sofia, 1797, Bulgaria, 2015)
    Usage of the geotextile based artificial soil materials recently increase in coastal protection applications. These materials are become important such as temporary solutions, lack of supplying natural materials (rock), ...
  • A compressed sensing based approach on discrete algebraic reconstruction technique 

    Demircan Türeyen, Ezgi; Kamaşak, Mustafa Erşel (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015)
    Discrete tomography (DT) techniques are capable of computing better results, even using less number of projections than the continuous tomography techniques. Discrete Algebraic Reconstruction Technique (DART) is an iterative ...
  • The Role of Search Engine Optimization on Keeping the User on the Site 

    Eğri, Gökhan; Bayrak, Coşkun (Elsevier Science Bv, Sara Burgerhartstraat 25, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2014)
    In today's technology, the role of internet is rapidly increasing and will continue to do so in the future. In this rapid increase, the right data access and integration has become a challenge. Since 93% of internet traffic ...
  • Channel estimation for spatial modulation orthogonal frequency division multiplexing systems 

    Acar, Yusuf; Doğan, Hakan; Panayırcı, Erdal (IEEE, 345 E 47th St, New York, Ny 10017 USA, 2015-10-14)
    A combination of spatial modulation and orthogonal frequency division multiplexing (SM-OFDM) has been recently proposed for multicarrier systems while assuming the perfect channel state information (P-CSI) available at the ...
  • Fundamental Frequency Estimation for Monophonical Turkish Music by using VMD 

    Öztürk Şimşek, Berrak; Akan, Aydın; Bozkurt, Barış (IEEE, 345 E 47Th St, New York, Ny 10017 USA, 2015-05-16)
    In this study, a new method is presented for the fundamental frequency estimation of Turkish makam music recordings by using Variational Mode Decomposition (VMD). VMD is a method to decompose an input signal into an ensemble ...

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