Browsing by Author "1"
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On the EMG-based torque estimation for humans coupled with a force-controlled elbow exoskeleton
Ullauri, J. B.; Petenel, L.; Uğurlu, Regaip Barkan; Yamada, Y.; Morimoto, J. (IEEE, 2015)Exoskeletons are successful at supporting human motion only when the necessary amount of power is provided at the right time. Exoskeleton control based on EMG signals can be utilized to command the required amount of support ... -
On the performance analysis of multirelay cooperative diversity systems with channel estimation errors
Amin, O.; Ikki, S. S.; Uysal, Murat (IEEE, 2011-06)In this paper, we investigate the performance of an amplify-and-forward (AF) cooperative diversity system with multiple relays in the presence of channel estimation errors. We consider both conventional relaying (in which ... -
On the performance of DCO-OFDM visible light communication systems under illumination constraints
Aldırmaz Çolak, S.; Kızılırmak, R. Ç.; Uysal, Murat (IEEE, 2015)In this paper, we consider a DC-biased optical-orthogonal frequency division multiplexing (DCO-OFDM) visible light communication system and investigate its error rate performance under illumination constraints. First, we ... -
On the performance of MIMO cooperative transmission for broadband vehicular networks
Feteiha, M. F.; Uysal, Murat (IEEE, 2015-06)In this paper, we investigate the performance of a cooperative vehicular network over a doubly selective fading channel using multiple antennas at source and destination vehicles. Under the assumption of amplify-and-forward ... -
On the performance of MIMO FSO communications over double generalized gamma fading channels
Kashani, M. A.; Uysal, Murat; Kavehrad, M. (IEEE, 2015)A major performance degrading factor in free space optical communication (FSO) systems is atmospheric turbulence. Spatial diversity techniques provide a promising approach to mitigate turbulence-induced fading. In this ... -
On the performance of multi-hop free space optical cooperative systems
Ashrafzadeh, B.; Zaimbashi, A.; Soleirnani-Nasab, E.; Uysal, Murat (IEEE, 2018)In this paper, we investigate the performance analysis of multi-hop free space optical (FSO) systems over Double Generalized Gamma (DGG) turbulence fading with pointing error impairments assuming both heterodyne detection ... -
On the performance of SC-FDE schemes with decision feedback equalizer for visible light communications
Çelik, Y.; Kızılırmak, R. Ç.; Odabaşıoğlu, N.; Uysal, Murat (IEEE, 2015)In this paper, we investigate the two single carrier frequency domain equalization (SC-FDE) techniques, namely on-off keying single carrier frequency domain equalization (OOK-SC-FDE) and decomposed quadrature optical ... -
On the volume of the shrinking branching Brownian sausage
Öz, Mehmet (The Institute of Mathematical Statistics and the Bernoulli Society, 2020)The branching Brownian sausage in R-d was defined in [4] similarly to the classical Wiener sausage, as the random subset of R-d scooped out by moving balls of fixed radius with centers following the trajectories of the ... -
On throughput-delay optimal access to storage clouds via load adaptive coding and chunking
Liang, G.; Kozat, Ulaş (IEEE, 2016-08)Recent literature including our past work provides analysis and solutions for using: 1) erasure coding; 2) parallelism; or 3) variable slicing/chunking (i.e., dividing an object of a specific size into a variable number ... -
On ‘‘Radiative transfer in three-dimensional rectangular enclosures containing inhomogeneous,anisotropically scattering media’’
Mengüç, Mustafa Pınar; Viskanta, R. (Elsevier, 2010-07)Our 1985 paper (JQSRT 1985; 33: 533–549) reported the result of the research we conducted back then to better understand heat transfer processes in large-scale combustion chambers, especially in pulverized coal-fired ... -
One size doesn't fit all: toward a theory on the intersectional salience of ageism at work
Marcus, Justin; Fritzsche, B. A. (Sage, 2015)Much of the research on the effects of age in the workplace has ignored the role of contextual factors, and the intersection of multiple group identities. In seeking to address these shortcomings, we provide a theoretical ... -
One too many categories: an experimental test on the effectiveness of a dual-identity recategorization intervention on age-based bias
Marcus, Justin; Fritzsche, B. A. (Elsevier, 2014-12)A laboratory experiment was conducted on a convenient sample of N = 724 introductory Psychology students from the southeastern United States, to test the effectiveness of a dual identity recategorization intervention when ... -
The one-warehouse multiretailer problem with an order-up-to level inventory policy
Solyalı, O.; Süral, H.; Denizel, Meltem (Wiley, 2010-10)We consider a two-level system in which a warehouse manages the inventories of multiple retailers. Each retailer employs an order-up-to level inventory policy over T periods and faces an external demand which is dynamic ... -
Online intermediary as a channel for selling quality-differentiated services
Akçura, Munir Tolga; Ozdemir, Z. D.; Rahman, M. S. (Wiley, 2015-02)When deciding whether to utilize an online intermediary in addition to their own distribution channels, quality differentiated service providers face the trade-off between the benefit of extended reach and the threat of ... -
Online social capital : understanding e-impulse buying in practice
Kervenoael, R. de; Aykaç, Didem Selcen Öztürkcan; Palmer, M. (Elsevier, 2009-07)Socially constructed marketing imageries (e.g. e-atmospherics) help consumers while making choices and decisions. Still, human and retailing technology interactions are rarely evaluated from a social practice perspective. ... -
Online space displacing physical space in libraries; the impact of online use on the transformation of library design
Cribb, Gülçin; Schmidt, J. (ALIA, 2011-03-18)The basis of designing library spaces has been transformed. Initial views that online technologies would reduce the use of library space have not come to pass. The physical space remains important but much change has ... -
OPLINQ: opportunistic link scheduling for massive device-to-device mmWave communication networks
Özen, Orkun (2017-01)mmWave communications networking is a promising physical layer technology for the requirement of the huge bandwidth in next generation 5G infrastructures. One of the emerging important applications for 5G mmWave architectures ... -
Optical fiber array based simultaneous parallel monitoring of resonant cantilever sensors in liquid
Mostafazadeh, A.; Yaralıoğlu, Göksen Göksenin; Urey, H. (Elsevier, 2016-05-01)This paper reports a novel method for simultaneous resonance monitoring of MEMS cantilevers using phase based dynamic measurements without any electrical connections to the sensor array. MEMS cantilevers are made of ... -
Optical quantum dot films for wide color gamut smart phone displays
Mutcu, Süleyman Efdal (2019-05-08)Liquid crystal display (LCD) technology is a fundamental constituent of today’s smart phones for image formation. LCDs are required to have a back light unit (BLU) to create a uniform white light with the correct color ... -
Optical subwavelength-scale displacement sensing with dynamically controllable characteristics
Bulgan, Erdal (The Optical Society, 2010)Silicon photonic devices with embedded MEMS have significantly been studied. Characterization and operation of such devices in the nanometer-level is critical. A novel optical technique for subwavelength displacement ...
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