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A Quality-of-Service Architecture for High-Performance Numerical Components
White Paper This paper proposes a model for QoS-based composition of high-performance numerical components. The paper describes quality metrics that are important for high-performance numerical simulations, including computational cost, accuracy, and rates of... [17 Jul 2008]
On Cascades of Resonators for High-Bandwidth Integrated Optical Interconnection Networks
White Paper The power penalty characteristics of high-speed optical signals transmitted through a variety of filters based on multiple microring resonator devices are analyzed by numerical simulation. The technique used here has been verified with single-ring... [11 Jul 2008]
Load Balancing for Spatial-Grid-Based Parallel Numeric Simulations on Clusters of SMPs
White Paper Load distribution is an essential factor to parallel efficiency of numerical simulations that are based on spatial grids, especially on clusters of Symmetric MultiProcessors (SMPs). The method has been successfully applied to load distribution in a... [10 Jul 2008]
A Numerical Simulation of Unsteady Airflow in HDDs
White Paper In this paper, using aerodynamic numerical analysis, the mechanisms causing disk flutter in hard disk drives is investigated. A computer simulation model of three stacked disks was calculated using the finite-difference method with the LES model of... [03 Jul 2008]
Modeling the Time Varying Behavior of Mobile Ad-Hoc Networks
White Paper The approach is a novel hybrid of discrete event simulation and numerical method based queueing analysis. Network queues are modeled using fluid-flow based differential equation models which are solved using numerical methods, while node mobility... [31 Aug 2007]
Multiple Robust Track-Following Controller Design in Hard Disk Drives
White Paper A numerical simulation shows the usefulness of the proposed technique, by illustrating a tracking performance improvement. This paper presents a new technique for track-following control in hard disk drives, in order to achieve high tracking... [25 Aug 2007]
Modeling the Time Varying Behavior of Mobile Ad-Hoc Networks
The approach is a novel hybrid of discrete event simulation and numerical method based queueing analysis. Network queues are modeled using fluid-flow based differential equation models which are solved using numerical methods, while node mobility... [10 Aug 2007]
Modeling the Time Varying Behavior of Mobile Ad-Hoc Networks
White Paper The approach is a novel hybrid of discrete event simulation and numerical method based queueing analysis. Network queues are modeled using fluid-flow based differential equation models which are solved using numerical methods, while node mobility... [10 Aug 2007]
Performance Evaluation of the Beacon Period Contraction Algorithm in UWB MBOA MAC
White Paper The theoretical numerical results show that the current BP contraction algorithm has good performance. Simulation results demonstrate that the impact is not significant and the performance of the algorithm is stable with varied device ordering. [11 May 2007]
Large Scale Parallel Reservoir Simulations on a Linux PC-Cluster
White Paper Numerical reservoir simulation is an important tool used by engineers to develop producing strategies for oil and gas fields and to understand fluid flow behavior in subsurface reservoirs. This paper investigates the use of state of the art PC... [19 Apr 2007]
Differential Modulation Diversity for OFDM
White Paper The numerical results are in good accordance with the presented simulation results. The application of Differential Modulation Diversity (DMD) to orthogonal frequency division multiplexing with multiple transmit and/or receive antennas is considered. [14 Apr 2007]
Implementation and Performance Evaluation of RAPID-Cache Under Linux
White Paper Numerical results using a popular benchmark program have shown a factor of two to six performance gains in terms of average system throughput. Recent research results using simulation have demonstrated that the RAPID-Cache (Redundant... [03 Apr 2007]
Generating Functional Analysis of CDMA Detection Dynamics
White Paper Furthermore, when the detection dynamics fail to convergence, the deviation of the predictions of DE from the results of numerical experiments becomes large. At transients, though, the predictions of DE systematically deviate from computer... [16 Jun 2006]
High-Performance Server Systems and the Next Generation of Online Games
White Paper Developing a massively multiplayer online game which utilizes physically based simulation to provide realistic behaviors requires numerical integration functions with inherently high computational costs. [23 Mar 2006]
A Proposal of Optical Wireless Communication With RF Subcarrier
White Paper This paper proposes the concept of optical wireless communication for these places, and it proposes the models of reflection pattern for stainless or glass by numerical formula, and examines the characteristic for the concept by numerical... [16 Feb 2006]
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