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IEEE Vehicular Technology Conference

作者： Rongrong Lian Hui Tian Wenchao Fei Jie Miao Canru Wang Key Laboratory of Universal Wireless Communications Ministry of Education Wireless Technology Innovation Institute WTI Beijing University of Posts and Telecommunications Beijing P.R.China 100876

ISBN: (纸本)9781467309899

In heterogeneous network, it is likely that many mobile users send access requests at the same time. To avoid network congestion and provide users with good service experience, a novel joint group call admission control (JGCAC) algorithm is proposed. This algorithm includes two procedures: Firstly, the number of users allocated to each network is determined according to load balancing policy. Secondly, based on the evaluation values about network conditions and user requests, suitable users are admitted to each network by extended Hungary algorithm. simulation results indicate that the proposed algorithm can maintain load balancing among networks, reduce dropping rate and achieve a better user satisfaction.

关键词： heterogeneous network joint call admission control load balancing QoS awareness Heterogeneous networks Load balancing Consumers Call admission control Network Congestion Network Joints Joints algorithm simulation

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Improvement of 2-D DOA Estimation Based on L-shaped Array

Improvement of 2-D DOA Estimation Based on L-shaped Array

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International Symposium on Antennas Propagation and EM Theory

作者： Qiao Cheng Yimin Zhao Jing Yang School of Electronic Engineering Xidian University

ISBN: (纸本)9781467317993

This paper presents a novel algorithm for two-dimensional (2-D) direction finding based on L-shaped arrays. Firstly, by using the array geometries, four covariance matrices are obtained. Secondly, a particular big matrix constructed by the four covariance matrices is used to estimate the signal subspace. Finally, the direction of arriving angles can be achieved by 2-D ESPRIT algorithm. simulation results confirm that the proposed method, compared with the conventional methods, has higher estimation accuracy, low computation cost.

关键词： signal subspace Direction of arrival estimation Covariance matrix algorithm simulation direction finding arrays

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A Hyper-heuristic Clustering algorithm

A Hyper-heuristic Clustering Algorithm

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IEEE International Conference on Systems, Man, and Cybernetics

作者： Chun-Wei Tsai Huei-Jyun Song Ming-Chao Chiang Department of Applied Geoinformatics Chia Nan University of Pharmacy & Science Department of Computer Science and Engineering National Sun Yat-sen University

ISBN: (纸本)9781467317139

The so-called heuristics have been widely used in solving combinatorial optimization problems because they provide a simple but effective way to find an approximate solution. These technologies are very useful for users who do not need the exact solution but who care very much about the response time. For every existing heuristic algorithm has its pros and cons, a hyper-heuristic clustering algorithm based on the diversity detection and improvement detection operators to determine when to switch from one heuristic algorithm to another is presented to improve the clustering result in this paper. Several well-known datasets are employed to evaluate the performance of the proposed algorithm. simulation results show that the proposed algorithm can provide a better clustering result than the state-of-the-art heuristic algorithms compared in this paper, namely, k-means, simulated annealing, tabu search, and genetic k-means algorithm.

关键词： Hyper-heuristics Clustering problem Genetic k-means algorithm Clustering algorithms Heuristic algorithms Reaction Time tabu search algorithm simulation Cluster Analysis Consumers K-means algorithm

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Raisin: Redundancy analysis algorithm simulation

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IEEE DESIGN & TEST OF COMPUTERS 2007年第4期24卷 386-396页

作者： Huang, Rei-Fu Li, Jin-Fu Yeh, Jen-Chieh Wu, Cheng-Wen Natl Tsing Hua Univ Dept Elect Engn Sect 101 Hsinchu City 30013 Taiwan Natl Cent Univ Dept Elect Engn Chungli Taiwan Ind Technol Res Inst SoC Technol Ctr Hsinchu City Taiwan Media Tek Hsinchu Taiwan

To increase redundancy repair efficiency and thus final yield in embedded-memory cores, we propose Raisin, a redundancy analysis algorithm simulation tool that can calculate an RA algorithm's repair rate, yield, associated memory configuration, and redundancy structure. Raisin lets users easily assess and plan redundant elements and subsequently develop BIRA algorithms and circuits, which are essential for BISR of embedded memories.

关键词： Embedded Systems Memory Cards Redundancy System On Chip Raisin Redundancy Repair Efficiency Embedded Memory Cores Redundancy Analysis algorithm simulation Tool algorithm Design And Analysis Analytical Models Redundancy Circuit Faults Circuit simulation Circuit Testing Electrical Fault Detection Computational Modeling Design Methodology Silicon Redundancy Analysis Repair Rate Yield BISR BIRA Raisin algorithm simulation

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A COMPARATIVE STUDY OF GENETIC algorithm COMPONENTS IN simulation-BASED OPTIMISATION 08

A COMPARATIVE STUDY OF GENETIC ALGORITHM COMPONENTS IN SIMUL...

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Winter simulation Conference (WSC 2008)

作者： Birkan Can Andreas Beham Cathal Heavey University of Limerick Limerick Ireland Upper Austria University of Applied Sciences Hagenberg Austria

ISBN: (纸本)9781424427086

In this paper, we present a comparative study of different stochastic components of genetic algorithms for simulation-based optimisation of the buffer allocation problem. We explore the effects of elements such as operators, fitness assignment strategies and elitism. Three different recombination operators, incorporated with constraint handling mechanisms such as repair and penalty functions, are examined. Under the shed of the experiments, we incorporate problem specific knowledge to further enhance the practicality of GA in decision making for buffer allocation problem.

关键词： buffer allocation Genetic algorithm (GA) penalty function algorithm simulation Operon Gallium constraint handling Wound Healing indium

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Signal Level Simulator for Netted Text Radar Waveforms Evaluation

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IEEE AEROSPACE AND ELECTRONIC SYSTEMS MAGAZINE 2010年第3期25卷 27-29页

作者： Paichard, Yoann Brooker, Marc Inggs, Michael Univ Cape Town Radar & Remoe Sensing Grp ZA-7700 Rondebosch South Africa

When evaluating the performances of radar waveforms, it is crucial to understand how the signal is affected by multiple interactions with the environment and the system hardware. Analysis of complex radar systems, such as multistatic and netted designs (see Figure 1) is often intractable without the application of a dedicated radar simulation system. Recent research into radar simulation has focused primarily on synthetic aperture radar (SAR) systems [1] and is not entirely applicable to traditional radar systems concerned with the location and tracking of remote targets. A complete simulator has been designed for the accurate simulation of raw returns in complex, multistatic, and netted radars, and is applicable to pulsed and continuous wave (CW) systems, and both active and passive radar systems. The Flexible Simulator for Multistatic Radars (FERS) can be used to simulate radar systems with arbitrary waveforms and arbitrary numbers of receivers, transmitters, and seatterers, Herein, algorithms for the simulation of raw radar return signals are presented, based on interpolation and modification of the transmitted signal and modeling of the radar hardware and environment. The algorithms are expected to be especially valuable for the simulation of emerging radar technologies, such as Passive Coherent Location (PCL) [2], netted radar and phased array radar. Preliminary results, presented herein, suggest that these algorithms can simulate physical systems with excellent accuracy.

关键词： waveforms Radar systems radar simulating signals simulator algorithm simulation

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Research of the Optimization on Multi-stage and Products Supply Chain Distribution

Research of the Optimization on Multi-stage and Products Sup...

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2010 Second Asia-Pacific Conference on Information Processing (APCIP 2010)

作者： Lei Wen and Tao Liu Department of Economy and Management North China Electric Power University Baoding Hebei Province,China

Supply Chain Collaborative Management is planning,organization and control,to achieve its objectives through the supply chain of human,material,financial and information ***-stage supply chain has the characteristic of the error amplification it need achieve low cost,high quality,quick response to market demand for objective through the supply chain collaboration between business decisions and *** and optimization of complex supply chain is a typical *** in the supply chain enterprise system according to the overall objective should be how the optimization of their making,coordination between the costs and benefits,fast,timely response system and multiproduct market demand,should have a universal *** multi-product supply chain collaborative optimization in general the results of the typical multi-product supply chain,the study has important benefits.

关键词： Multi-stage Supply Chain Collaboration of Supply Chain algorithm simulation particle swarm optimization

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A BLIND CHANNEL SHORTENING CRITERION BASED ON HIGH-ORDER CUMULANTS

A BLIND CHANNEL SHORTENING CRITERION BASED ON HIGH-ORDER CUM...

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IEEE International Conference on Acoustics, Speech, and Signal Processing

作者： Huy-Dung Han Zhi Ding Department of Electrical and Computer Engineering University of California Davis

ISBN: (纸本)9781424442959

In this work, we propose a new criterion for blind channel shortening based on high order statistical information. This method overcomes the weakness of two existing channel shortening criteria derived from only second order output statistics of the unknown channel. It is applicable to both single-input-single-output and single-input-multiple-output frequency selective channels. The optimization criterion can be achieved through either a stochastic gradient descent algorithm or a batch algorithm. simulation results demonstrate successful shortening of wireless channels that the existing criteria fail to shorten.

关键词： Blind channel shortening cumulants time-domain equalization CUMULANT optimal criterion algorithm simulation Hypodynamia selective channel

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SYMMETRICAL EEG/FMRI FUSION WITH SPATIALLY ADAPTIVE PRIORS USING VARIATIONAL DISTRIBUTION APPROXIMATION

SYMMETRICAL EEG/FMRI FUSION WITH SPATIALLY ADAPTIVE PRIORS U...

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IEEE International Conference on Acoustics, Speech, and Signal Processing

作者： Martin Luessi S. Derin Babacan Rafael Molina James R. Booth Aggelos K. Katsaggelos Dept. of EECS Northwestern University Evanston IL 60208 USA Departamento de Ciencias de la Computacion e I.A. Universidad de Granada 18071 Granada Spain Dept. of Com. Sciences and Disorders Northwestern University Evanston IL 60208 USA

ISBN: (纸本)9781424442959;9781424442966

In this paper, we propose a symmetrical EEG/fMRI fusion algorithm which combines EEG and fMRI by means of a common generative model. The use of a total variation (TV) prior as well as spatially adaptive temporal priors enables adaptation to the local characteristics of the estimated responses. We utilize an approximate variational Bayesian framework and obtain a fully automatic fusion algorithm. simulation results demonstrate that the proposed algorithm outperforms existing EEG/fMRI fusion methods.

关键词： EEG fMRI total variation (TV) variational Bayesian methods fMRI Electroencephalography Fusion reactions Fusion, biological FUSION fusion (melting) SYMMETRICAL approximation algorithm simulation

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A Parametric Approach for Multiphysical Modeling of Magnetic Bearings

A Parametric Approach for Multiphysical Modeling of Magnetic...

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Biennial Institute of Electrical and Electronics Engineers Conference on Electomagnetic Field Computation

作者： Antje Deckert Uwe Keller Stefanos Fasoulas Institute for Aerospace Engineering TU Dresden

ISBN: (纸本)9781424470594

A multiphysical algorithm for modeling and design of magnetic bearings (MB) has been developed. The presented parametric algorithm can be used for designing a magnetic bearing or predict the behavior of an already known system. The presentation includes a detailed description of the computation algorithm, simulation results, and derived design criteria. The simulation results are evaluated by measurements.

关键词： Magnetic bearings DESIGN CRITERIA Parametric Modeling algorithm simulation simulation results

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