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Tag Archive: 2015 Ns2 Projects

Queuing-Based Energy Consumption Management for Heterogeneous Residential Demands in Smart Grid

In this paper, an energy consumption management is considered for households (users) in a residential smart grid network. In each house, there are two types of demands, essential and flexible demands, where the flexible demands are further categorized into delay-sensitive and delay-tolerant demands. The delay-sensitive demands have higher priority to be served than the delay-tolerant demands. […]

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Modeling Implantable Passive Mechanisms for Modifying the Transmission of Forces and Movements Between Muscle and Tendons

This paper explores the development of biomechanical models for evaluating a new class of passive mechanical implants for orthopedic surgery. The proposed implants take the form of passive engineered mechanisms, and will be used to improve the functional attachment of muscles to tendons and bone by modifying the transmission of forces and movement inside the […]

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A-Duplex: Medium Access Control for Efficient Coexistence between Full Duplex and Half Duplex Communications

As full duplex wireless communication evolves into a practical technique, it will be built into communication nodes in many application scenarios. However, it is difficult to do so for legacy communication nodes. Thus, full duplex communication nodes will coexist with half duplex communication nodes in the same application environment. In this paper, a wireless local […]

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A fully analog two-way sequential GaN power amplifier with 40% fractional bandwidth

In this paper, we report a two-way sequential power amplifier (SPA) using GaN HEMTs. The proposed fully analog SPA delivers Psat of approximately 40dBm over 2-3 GHz covering 40% fractional bandwidth. The design consists of a 3dB input coupler, a main amplifier, a peak amplifier, and a 10dB output coupler for power combining. After proper designing […]

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Two-phase active power filter direct current control with capacitor voltages estimation and balance

In this paper an active power filter is presented based on a multilevel converter. The active power filter is intended to be used in domestic applications where reactive power compensation in two-phasenetworks is required. An innovative technique to balance the DC bus voltages of the power converter capacitors is proposed and also an estimation algorithm for […]

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2W-FD: A Failure Detector Algorithm with QoS

Failure detection plays a central role in the engineering of distributed systems. Furthermore, many applications have timing constraints and require failure detectors that provide quality of service (QoS) with some quantitative timeliness guarantees. Therefore, they need failure detectors that are fast and accurate. We introduce the Two-Windows Failure Detector (2W-FD), an algorithm able to react […]

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Distribution System State Estimation Using the Hamiltonian Cycle Theory

Since the origin of energy management systems, state estimation applications have aided in automatic power system operations, mainly for transmission systems. Currently, however, smart grid concepts are modifying the behavior of distribution systems through a rapid increase of controllable distributed generators, demand response, and electric vehicles. Consequently, the advanced metering infrastructure is providing a large […]

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A Unified Framework for Defining and Measuring Flexibility in Power System

Flexibility is a widely used term in planning process and real-time operation. The existing research on flexibility uses different techniques to study flexibility property from different aspects. While studying a property from various viewpoints increases the understanding on the subject, we need a consistent theoretical framework to consolidate the ideas generated in the field, compare […]

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Deduping the Internet: An email case study

Much of the traffic that traverses the Internet each day is redundant. That is, some or all of the data content has been sent previously. From a technical viewpoint, this represents a waste of resources, in terms of network bandwidth, storage, and energy efficiency. This paper presents an initial feasibility study to assess the potential of data […]

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A Hop-by-hop Routing Mechanism for Green Internet

In this paper we study energy conservation in the Internet. We observe that different traffic volumes on a link can result in different energy consumption; this is mainly due to such technologies as trunking (IEEE 802.1AX), adaptive link rates, etc. We design a green Internet routing scheme, where the routing can lead traffic in a […]

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