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Tag Archive: 2015 Ns2 Projects

An Abuse-Free Optimistic Signature Exchange Protocol Using Block Cipher

Digital Signature plays a vital role in secure business transactions and e-commerce applications. There are many existing schemes for secure exchange of digital signature over the network, but the problem arises when both the parties involved in the transaction do not trust each other. We have proposed a partial signature exchange scheme that is not only […]

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Fractional Order AGC for Distributed Energy Resources Using Robust Optimization

The applicability of fractional order (FO) automatic generation control (AGC) for power system frequency oscillation damping is investigated in this paper, employing distributed energy generation. The hybrid power system employs various autonomous generation systems like wind turbine, solar photovoltaic, diesel engine, fuel-cell, and aqua electrolyzer, along with other energy storage devices like the battery and […]

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A New Quaternion-Based Encryption Method For DICOM Images

In this paper a new quaternion-based lossless encryption technique for DICOM images is proposed. We have scrutinized and slightly modified the concept of the DICOM Network to point out the best location for the proposed encryption scheme, which significantly improves speed of DICOM images encryption in comparison to those originally embedded into DICOM AES and 3DES algorithms. […]

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Cyber-physical electrical energy systems: challenges and issues

Cyber-physical electrical energy systems (CPEES) combine computation, communication and control technologies with physical power system, and realize the efficient fusion of power, information and control. This paper summarizes and analyzes related critical scientific problems and technologies, which are needed to be addressed with the development of CPEES. Firstly, since the co-simulation is an effective method […]

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Enhancing Optical-CDMA Confidentiality With Multicode-Keying Encryption

Optical codes with large cardinality and tree structures of multiple subsets of codewords for adjustable code performance and cardinality have recently been proposed. As studied in this paper, these characteristics support multicode-keying encryption for enhancing physical-layer confidentiality in optical code-division multiple-access systems and networks. The concept of the multicode-keying encryption technique is introduced. The associated all-optical […]

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Dependable Systems Modeling and Reliability Property Evaluation by Model Checking

Modeling for dependability is an established method in the domain of information systems. Most approaches dealing with structural or probabilistic modeling do not consider time information. This paper presents an approach for modeling dependable information systems for fault prediction. Established analysis techniques are applied to a particular learned model. These should reveal path to failure […]

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Towards the integration of monitoring systems to support the evaluation of nearly Zero Energy Buildings through Key Performance Indicators

Monitoring systems are one of the pivotal diagnosis tools for the analysis of the energy performance in buildings. They provide on-site information and support the decision making process. Moreover, monitoring systems allow the calculation of energy and comfort indicators, despite, large buildings do not provide a single sensor network. So, with the aim of integrating multiple […]

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Thermal Rating of a Submerged Substation for Wave Power

The costs of offshore maintenance operations put high reliability-requirements on offshore equipment for ocean energy, especially on submerged ones. Thermal management is thus essential in the design of the prototypes of a marine substation, developed at Uppsala University, for grid interface of wave power parks. The cooling system itself should be efficient as well as […]

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Single Microring-Based 2×2 Silicon Photonic Crossbar Switches

Realizing small-footprint and energy-efficient optical switching fabrics is of crucial importance to solve the data movement challenges faced by optical interconnection networks. This article demonstrates silicon photonic 2×2 full crossbar switching functionality based on a single microring. The ultra-compact device is shown to successfully switch data channels from two input ports simultaneously. Data channels in both […]

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Managing inter-cell interference with advanced receivers and rank adaptation in 5G small cells

The use of receivers with interference suppression capabilities is expected to be a significant performance booster in 5th Generation (5G) ultra-dense small cell networks. In this respect, they could represent an alternative to traditional frequency reuse techniques, facilitating the inter-cell interference management. In this paper, we evaluate whether it is possible to rely on such advanced […]

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