Browsing Faculty of Engineering by Title
Now showing items 2806-2825 of 3117
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Spectrum trading for non-identical channel allocation in cognitive radio networks
(IEEE, 2011)In this paper, we investigate spectrum trading via auction approach for cognitive radio networks. We consider a realistic valuation function in terms of different parameters for secondary users (SUs), and propose an efficient ... -
Spectrum trading for non-identical channel allocation in cognitive radio networks
(IEEE, 2013)In this paper, we investigate spectrum trading via auction approach for exclusive usage spectrum access model in cognitive radio networks. We consider a realistic valuation function which depends on channel capacity, delay ... -
Spectrum trading for risky environments in IEEE 802.22 cognitive networks
(IEEE, 2011)In this paper, we consider the shared used model in the context of IEEE 802.22 cognitive and investigate spectrum trading via auction approach. We consider two different scenarios in which the dominant risk is either ... -
Spectrum-based fault localization for diagnosing concurrency faults
(Springer Science+Business Media, 2013)Concurrency faults are activated by specific thread interleavings at runtime. Traditional fault localization techniques and static analysis fall short to diagnose these faults efficiently. Existing dynamic fault-localization ... -
Spending "quality"' time with the web video
(IEEE, 2016)For consumers, watching video over the Web is the most popular way to access free and premium content on connected devices. The underlying technology -- HTTP adaptive streaming -- is straightforward; however, due to quality ... -
Spin content of Λ in QCD sum rules
(American Physical Society, 2009-06-01)We calculate the isoscalar axial-vector coupling constants of the Λ hyperon using the method of QCD sum rules. A determination of these coupling constants reveals the individual contributions of the u, d, and the s quarks ... -
Spin correlations and new physics in τ -lepton decays at the LHC
(Springer International Publishing, 2015-07)We use spin correlations to constrain anomalous τ -lepton couplings at the LHC including its anomalous magnetic moment, electric dipole moment and weak dipole moments. Single spin correlations are ideal to probe interference ... -
Spoofing attacks to i-vector based voice verification systems using statistical speech synthesis with additive noise and countermeasure
(IEEE, 2016)Even though improvements in the speaker verification (SV) technology with i-vectors increased their real-life deployment, their vulnerability to spoofing attacks is a major concern. Here, we investigated the effectiveness ... -
Spoofing voice verification systems with statistical speech synthesis using limited adaptation data
(Elsevier, 2017-03)State-of-the-art speaker verification systems are vulnerable to spoofing attacks using speech synthesis. To solve the issue, high-performance synthetic speech detectors (SSDs) for attack methods have been proposed recently. ... -
Spreading behavior of droplets impacting over substrates with varying surface topographies
(Elsevier, 2020-12-05)Droplet interaction with solid surface plays an important role in a number of practical applications such as thermal management systems, steel production, painting, prevention of impurit deposition, and formation of ... -
A stability analysis for the acceleration-based robust position control of robot manipulators via disturbance observer
(IEEE, 2018-10)This paper proposes a new nonlinear stability analysis for the acceleration-based robust position control of robot manipulators by using disturbance observer (DOb). It is shown that if the nominal inertia matrix is properly ... -
Stable control of force, position, and stiffness for robot joints powered via pneumatic muscles
(IEEE, 2019-12)This paper proposes a novel controller framework for antagonistically driven pneumatic artificial muscle (PAM) actuators. The proposed controller can be stably configured in both torque-stiffness control and position-stiffness ... -
Stage: stereotypical trust assessment through graph extraction
(Wiley, 2016-02)Bootstrapping trust assessment where there is little or no evidence regarding a subject is a significant challenge for existing trust and reputation systems. When direct or indirect evidence is absent, existing approaches ... -
Staged development of robot skills: behavior formation, affordance learning and imitation
(IEEE, 2015-06)Inspired by infant development, we propose a three staged developmental framework for an anthropomorphic robot manipulator. In the first stage, the robot is initialized with a basic reach-and- enclose-on-contact movement ... -
Standards for indoor optical wireless communications
(IEEE, 2015-03)The application of Optical Wireless Communications (OWC) has grown in recent years that the whole industry would benefit from common standards to which competitive products comply. Standards are essential, particularly ... -
Static analysis of multi-staged programs via unstaging translation
(ACM, 2011)Static analysis of multi-staged programs is challenging because thebasic assumption of conventional static analysis no longer holds: the program text itself is no longer a fixed static entity, but rather a dynamically ... -
Static and dynamic analyses for the exergetic, exergoeconomic and environmental assessment of a high-performance building
(Inderscience Enterprises Ltd., 2018)This paper presents an exergetic, exergoeconomic and environmental assessment of an existing high-performance building using both static and dynamic analyses. The IEA ECBCS framework is adopted for exergy analysis, whereas ... -
Statik ve dinamik analizler ile hesaplanan risklere dayalı olarak test modellerinin iyileştirilmesi
(CEUR, 2015)Model bazlı test teknikleri, sistem kullanım modelinden test senaryolarının otomatik olarak oluşturulmasını sağlayarak verimliliği artırmaktadır. Prensip olarak sonsuz sayıda test senaryosu oluşturmak mümkündür; ancak bu ... -
Statistical characterization of FSO-based airborne backhaul links
(IEEE, 2023)Backhaul solutions with large capacity and global coverage are of great importance for 6G wireless communication networks. With its ultra-large bandwidth and immunity to electromagnetic interference, free-space optical ... -
Statistical modeling of propagation channels for Terahertz band
(IEEE, 2017)Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the theoretical capacity limits. Ever-increasing demand for wireless ...
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