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Tag Archive: Ns2 Projects

Adaptive video quality control scheme to improve QoE of MPEG DASH

Most of previous video quality control schemes for DASH lead to frequent change of video quality due to the varying network condition. In this paper, we propose a video quality control scheme based on network and playback buffer status to provide seamless and smooth streaming service over DASH.

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Recurrent Classifier based on An Incremental Meta-Cognitive-based Scaffolding Algorithm

This paper outlines our proposal for a novel meta-cognitive-based scaffolding classifier, namely Recurrent Classifier (rClass). rClass is capable of emulating three fundamental pillars of human learning in terms of what-to-learn, how-to-learn, and when-to-learn. The cognitive constituent of rClass is underpinned by a recurrent network based on a generalized version of the Takagi Sugeno Kang (TSK) fuzzy system […]

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Measurement-Based Modeling of Time-Variant Fading Statistics in Indoor Peer-to-Peer Scenarios

Investigation of small-scale fading in indoor peer-to-peer networks based on radio channel measurements shows that Rayleigh or double Rayleigh (DR) fading with or without line-of-sight (LOS) component can occur, depending on the mobility and on the scattering properties of the environment. While in double-mobile scenarios, the predominant fading mechanism is a combination of Rayleigh and DR fading, […]

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Uncoordinated Transmissions in Multi-way Relaying Systems

In this paper we propose an uncoordinated transmissions scheme in multi-way relaying systems and define its capacity at relatively low signal-to-noise power ratio (SNR) region. We adopt the concept of coded slotted ALOHA (CSA) to overcome the interference problem. To improve the threshold of the offered traffic, we employ iterative demapping algorithm that can decode […]

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Enhancing SCIG-based wind turbine generator performance through reactive power control

Increase in the market share of wind energy in total electricity generation and its impact to power grid has imposed new challenges to the stability of each wind turbine generator (WTG) unit. In the case of power undersupply, the problem on voltage stability and voltage collapse will eventually occur. In this paper, the impact of […]

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Channel Estimation Using a 2D DFT for Millimeter-Wave Systems

The usage of the millimeter wave (MMW) band in the 5th generation (5G) networks relies on beamforming to compensate the strong path-loss suffered at higher frequencies. To exploit the beamforming implemented by multiple antenna devices, proper algorithms to estimate the channel need to be designed. In this work we propose a novel channel estimation method for MMW […]

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Galvanically isolated quasi-Z-source DC-DC converters with combined energy transfer for renewable energy sources integration

This paper presents a novel class of quasi-Z-source galvanically isolated DC-DC converters intended for the integration of low voltage renewable energy sources into a DC microgrid. These converters combine characteristics of the transformer based and the inductor based impedance-source galvanically isolated DC-DC converters. They feature the continuous input current essential for photovoltaic applications. Two types […]

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Demystifying the Clouds: Harnessing Resource Utilization Models for Cost Effective Infrastructure Alternatives

Deployment of Service Oriented Applications (SOAs) to public infrastructure-as-a-service (IaaS) clouds presents challenges to system analysts. Public clouds offer an increasing array of virtual machine types with qualitatively defined CPU, disk, and network I/O capabilities. Determining cost effective application deployments requires selecting both the quantity and type of virtual machine (VM) resources for hosting SOA workloads of […]

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DOM tree based approach for Web content extraction

The World Wide Web plays an important role while searching for information in the data network. Users are constantly exposed to an ever-growing flood of information. Our approach will help in searching for the exact user relevant content from multiple search engines thus, making the search more efficient and reliable. Our framework will extract the relevant […]

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GALS synthesis and verification for xMAS models

In this paper a novel Globally Asynchronous Locally Synchronous (GALS) synthesis and verification environment is introduced for xMAS models. xMAS models are a new communication paradigm which can be used to model circuits and networks for the purpose of synthesis, testing and verification. Previous attempts at synthesis and verification of xMAS models have been proposed for synchronous […]

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