Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 47 for “"Power saving"”.
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Power Saving Analysis and Experiments for Large Scale Global Optimization
… field of research that seeks to reduce excess power consumption in high performance computing (HPC), is gaining popularity among researchers. Research in this field often relies on simulation or only uses a small cluster, typically 8 or 16 nodes, because of the lack of hardware support. In …
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Implementation of a power-saving protocol for ad hoc wireless networks
We describe the design and implementation of a power-saving protocol for ad hoc wireless networks. We present the Span power-saving protocol and discuss its implementation in the context of the Linux operating system. We address the issues of ad hoc routing, link layer design, and integration with …
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Performance of an airfoil with a power-saving, tab-assisted flap system
… feasibility of reducing control surface input power with the use of a tab-assisted flap. Wind tunnel tests were conducted at the University of Illinois at Urbana-Champaign (UIUC) on a NACA 3415 airfoil model with a flap including a trim tab. Measurements were taken for two configurations: a …
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A power saving scheme for application in wireless sensor networks predictive transmission success (PTS)
… for WSNs since invariably, nodes are battery powered and any scheme that extends the viability of the limited energy resource is much sought after. Inherent to the principles of WSNs is that each node is designed through a restricted set of resources and is equipped with the ability to gather, …
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Model and simulation of power consumption and power saving potential of energy efficient cluster hardware
In the last years the power consumption of high performance computing clusters has become a growing problem because number and size of cluster installations raised and still is raising. The high power consumption of the clusters results from the main goal of these clusters: High performance. With a …
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Throughput Optimization and Transmitter Power Saving (TOTPS) Algorithm and Extended TOTPS (ETOTPS) Algorithm for IEEE 802.11 Links
… a throughput optimization and transmitter power saving (TOTPS) algorithm and an extended throughput optimization and transmitter power saving (ETOTPS) algorithm, based on the knowledge of the C/N ratio at the receiver. In particular, we take the approach of adjusting link parameters like …
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Clock division as a power saving strategy in a system constrained by high transmission frequency and low data rate
… constraints include channel attenuation, power requirements, and backward compatibility. As a result these systems have unused band- width, leading to inefficient use of power. In this thesis, I propose to slow the internal operating frequency of a cochlear implant receiver in order to …
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Arithmetic Properties Related to Isogeny Criteria for Elliptic Curves and Drinfeld Modules
… by a function of x. We prove a bound with a log saving unconditionally, prove a bound with a power saving dependent on the Reimann hypothesis and generalized Reimann hypothesis, and prove a bound with a stronger power saving dependent on the generalized Reimann hypothesis, Artin's holomorphy …
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Analytic and arithmetic applications of half integral weight automorphic forms
… moment of L-series attached to such forms with a power saving error term. The second chapter of this thesis uses the spectral theory of half integral weight forms to establish a power saving in a formula of Andrews for the coefficients of Ramanujan's famous third order mock theta function. We also …
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Low-Power High-Performance Dynamic Circuit Design for Ultra-Deep Submicron Technology
Domino logic is known to consume more dynamic power than static logic. Low-voltage swing clock domino logic family is developed for substantial dynamic power saving. Delay-constrained power optimization algorithm allocates low supply voltage to logic gates such that dynamic power is minimized with …
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Energy-efficient Wireless Sensor Network MAC Protocol
… throughput and latency requirements. Effective power management places sensor nodes into one of the available energy-saving modes based upon the sleep period duration and the current state of the radio. This research investigates energy-efficient medium access control (MAC) protocols designed to …
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Nonlinear analysis of topology-optimized scissor-like elements during deployment and structural performance analysis
… between the structural stiffness, material saving, and power saving is investigated.
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Power-aware routing in multi-hop wireless networks
… connectivity and cheaper network setup.<br/><br/>Power consumption is an important design criteria in WAHNs and WMNs,<br/>least because it directly impacts the cost of network operation and maintenance.<br/>To add to this, the information and communication technology (ICT) industry is already …
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The SCALE DRAM subsystem
… energy budget as advances are made in low-power processors. In order to reduce these energy costs, modern DRAM chips implement low-power operating modes that significantly reduce energy consumption but introduce a performance penalty. This thesis discusses the design and evaluation of an …
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VAST-LP: clock gating in high-level synthesis
… the performance of the designs. The area and power data are measured using downstream commercial state-of-the-art tools during logic synthesis. We gain 5% to 20% dynamic power saving with -6% to 2% area increase.
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Quantification of the boundary layer ingestion benet for the D8-series aircraft using a pressure rake system
… The BLI benefit, defined as the mechanical flow power saving at cruise conditions (zero net streamwise force), from the BLI configuration relative to the non-BLI configuration, was found to be 8.2% +/- 0:8%. The experimental-computational approach and the sensitivity analysis of the estimated BLI …
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Improving energy efficiency and quality of service in an integrated wireless-optical broadband access network
… both use sleep mode, they differ in their power saving mechanisms. This thesis first addresses a QoS solution for the incompatibility between these technologies. Service class mapping is proposed in Chapter 3 for the integrated WOBAN, based on the M/G/1 queuing model supported by an …
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STUDY OF ADAPTIVE COMPRESSIVE SENSING FOR LOW POWER APPLICATIONS
… making it appealing for implementation of low-power sensors. This dissertation investigates techniques to further improve CS efficiency by adaptively adjusting the sampling rates or CS measurement sizes according to signal sparsity variations. The proposed technique is referred to as adaptive …
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A Study of a Versatile Low Power CMOS Pulse Generator for Ultra Wideband Radios
… is based on the topology of a single tap CMOS power amplifier. By increasing the number of taps on a CMOS power amplifier, it is possible to generate sub-nanosecond pulses with a desired shape. A power saving scheme that significantly reduces the power consumed at low data rates is also …
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Adaptive buffer power save mechanism for mobile multimedia streaming
… this thesis presents a novel algorithm to save power in mobile devices during the streaming of multimedia content. The proposed Adaptive-Buffer Power Save Mechanism (AB-PSM) controls how the data is sent over wireless networks, achieving significant power savings. There is little or no effect on …
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