Báo cáo hóa học: "Research Article Implementation of a Smart Antenna Base Station for Mobile WiMAX Based on OFDMA" pot
Báo cáo hóa học: "Research Article Implementation of a Smart Antenna Base Station for Mobile WiMAX Based on OFDMA" pot
... wireless path between each antenna and the additional antenna can be calculated bymaking a connection between each antenna path and theadditional antenna path with a cable. The phase differencebetween ... Communications and NetworkingVolume 2009, Article ID 950674, 9 pagesdoi:10.1155/2009/950674Research Article Implementation of a Smart Antenna Base Station for Mobile WiMAX Based on OFDMASeungheon Hyeon, ... delay of the RF/IF chain associated with eachMS emulatorm -WiMAX SA BSSpectrumanalyzerServer/clientlaptopSignalgenerator Antenna for signal generatorArray antenna for BS Antenna for MS...
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Báo cáo hóa học: " Research Article Implementation of a Cooperative MAC Protocol: Performance and Challenges in a Real Environment" doc
... experimentation.The paper describes two different implementation approaches. An implementation that is based on open sourcedrivers and an implementation that is based on an software-defined radio platform ... STAd,respectively.3.2.1. Data Plane. Before the transmission of a packet, station STAsshould access all the rate information in a cooperation table, and compare a rough estimation of theequivalent two-hop rate ... slow station Channel access delay for fast station TimeTX of 1 Mbps station TX of 11 Mbps station DIFS + backoff Channel captured by fast station Channel captured byslow station Figure 8: Short-term...
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Báo cáo hoa học: "Research Article Solutions of 2nth-Order Boundary Value Problem for Difference Equation via Variational Method" pot
... with Applications to Differential Equations,vol. 65, American Mathematical Society, Providence, RI, USA, 1986.12 A. Ambrosetti and P. H. Rabinowitz, “Dual variational methods in critical point ... Bohner and A. Peterson, Dynamic Equations on Time Scales: An Introduction with Application,Birkh¨auser, Boston, Mass, USA, 2001.Advances in Difference Equations 9φy1 <φθ0. Using Lemma ... existence of solutions of the boundary value problem BVPto the existence of critical points for the functional. Some criteria for the existence of at least onesolution and two solutions are established...
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Báo cáo hóa học: " Research Article Convergence of a Mimetic Finite Difference Method for Static Diffusion Equation" doc
... schemes on uniform, logical rectangular, Car te-sian grids is a standard restriction. This is justified by the fact that all techniques andarguments of the one-dimensional proof can be translated ... boundaryconditions and of the differential equation are compatible. In a ddition to having the ad-vantage that its formulation is not more complex than standard finite differences, it hasbeen known for ... and the nonstandard linear equationsin its mathematical formulation.The convergence proof gives a possible strategy to obtain similar results for higherorder mimetic methods based on the mimetic...
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Báo cáo hóa học: " Research Article Implementation of Wireless Communications Systems on FPGA-Based Platforms" pptx
... integrator platform along with the IF, RF boards and the antenna. 6. CONCLUSIONSThe design and implementation of a HIPERLAN/2 accesspoint on a platform based on microprocessors and FPGAshave been ... cycle ac-curate simulation of the complete system functionality andconfirmation that timing constraints are met. Based on (a) the architecture exploration results, (b)the analysis of the HIPERLAN/2 ... the ARM integrator platform[5] is described. ARM integrator includes a number of ARMprocessor -based modules and a number of FPGA -based modules organized around an AMBA bus located in the mainboard....
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Báo cáo hóa học: " Research Article Dynamics of a Rational System of Difference Equations in the Plane" pot
... solutions,and the stability of equilibria.1. IntroductionIn recent years, rational difference equations have attracted the attention of many researchers for varied reasons. On the one hand, ... Equations, Chapman &Hall/CRC, Boca Raton, Fla, USA, 2002.7 E.Camouzis,M.R.S.Kulenovi´c, G. Ladas, and O. Merino, “Rational systems in the plane,” Journal of Difference Equations and Applications, ... thecharacteristic polynomial of A. Further, by elementary techniques of linear algebra one canalso compute them in terms of the eigenvalues of A an approach using the solutions to anassociated...
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Báo cáo hóa học: " Research Article Existence of Positive, Negative, and Sign-Changing Solutions to Discrete Boundary Value Problems" potx
... theory,” Journal of Mathematical Analysis and Applications, vol. 326, no.1, pp. 511–520, 2007.9 M. Aprahamian, D. Souroujon, and S. Tersian, “Decreasing and fast solutions for a second-orderdifference ... Problems,Birkh¨auser, Boston,Mass, USA, 1993.12 W. Takahashi, Nonlinear Functional Analysis, Yokohama Publishers, Yokohama, Japan, 2000.13 G. Cerami, “An existence criterion for the critical points on unbounded ... Y. Romanenko, Difference Equations and Their Applications,vol. 250 of Mathematics and Its Applications, Kluwer Academic, Dordrecht, The Netherlands, 1993.3 R. M. May, “Simple mathematical models...
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Báo cáo hóa học: " Research Article Stability of a Jensen Type Logarithmic Functional Equation on Restricted Domains and Its Asymptotic Behaviors" pdf
... Mathematical Analysis andApplications, vol. 339, no. 1, pp. 303–311, 2008.19 B. Batko, On approximation of approximate solutions of Dhombres’ equation,” Journal of Mathematical Analysis and Applications, ... Moszner, On the stability of functional equations,” Aequationes Mathematicae, vol. 77, no. 1-2, pp.33–88, 2009.18 B. Batko, “Stability of an alternative functional equation,” Journal of Mathematical ... Brzde¸k, On stability of a family of functional equations,” Acta Mathematica Hungarica, vol. 128, no.1-2, pp. 139–149, 2010.23 J. Brzde¸k and J. Sikorska, A conditional exponential functional...
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Báo cáo hóa học: " Research Article Recognition of Nonprototypical Emotions in Reverberated and Noisy Speech by Nonnegative Matrix Factorization" potx
... reverberation conditions, including matched as well as mismatched condition training. As featureextraction based on supervised Nonnegative Matrix Factorization (NMF) has been proposed in automatic ... thesimplification of additive stationary noise [6, 7], or arelimited to matched condition training [8–11].In contrast, this paper is a first attempt to evaluate theimpact of nonstationary noise and ... Virtanen and A. T. Cemgil, “Mixtures of gamma priorsfornon-negative matrix factorization based speech separation,”in Proceedings of the International Conference on IndependentComponent Analysis and...
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Báo cáo hóa học: " Research Article Dynamics of a Predator-Prey System Concerning Biological and Chemical Controls" ppt
... Journal of Inequalities and Applications 1712 J. Sugie, “Two-parameter bifurcation in a predator-prey system of Ivlev type,” Journal of MathematicalAnalysis and Applications, vol. 217, ... Equations:Periodic Solutions and Applications,vol.66 of Pitman Monographs and Surveys in Pure and Applied Mathematics, Longman Science & Technical,Harlo, UK, 1993.15 V. Lakshmikantham, ... pagesdoi:10.1155/2010/598495Research Article Dynamics of a Predator-Prey System ConcerningBiological and Chemical ControlsHye Kyung Kim1and Hunki Baek21Department of Mathematics Education, Catholic University of Daegu,...
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