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 by making a connection between each antenna path and the additional antenna path with a cable. The phase difference between ... Communications and Networking Volume 2009, Article ID 950674, 9 pages doi:10.1155/2009/950674 Research Article Implementation of a Smart Antenna Base Station...

Ngày tải lên: 21/06/2014, 23:20

... experimentation. The paper describes two different implementation approaches. An implementation that is based on open source drivers and an implementation that is based on an software- defined radio platform ... STA d ,respectively. 3.2.1. Data Plane. Before the transmission of a packet, station STA s should access all the rate information in a cooperation table, and compa...

Ngày tải lên: 21/06/2014, 20:20

... 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 9 φy 1  <φθ0. Using...

Ngày tải lên: 21/06/2014, 20:20

... schemes on uniform, logical rectangular, Car te- sian grids is a standard restriction. This is justified by the fact that all techniques and arguments of the one-dimensional proof can be translated ... boundary conditions 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 h...

Ngày tải lên: 22/06/2014, 19:20

... integrator platform along with the IF, RF boards and the antenna. 6. CONCLUSIONS The design and implementation of a HIPERLAN/2 access point on a platform based on microprocessors and FPGAs have been ... cycle ac- curate simulation of the complete system functionality and confirmation that timing constraints are met. Based on (a) the architecture exploration results, (b) t...

Ngày tải lên: 22/06/2014, 22:20

... solutions, and the stability of equilibria. 1. Introduction In 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 an...

Ngày tải lên: 21/06/2014, 05:20

... 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-order difference ... Problems,Birkh ¨ auser, Boston, Mass, USA, 1993. 12 W. Takahashi, Nonlinear Functional Analysis, Yokohama Publishers, Yokohama, Japan, 2000. 13 G. Cerami, “An existence criteri...

Ngày tải lên: 21/06/2014, 05:20

... Mathematical Analysis and Applications, 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 equ...

Ngày tải lên: 21/06/2014, 07:20

... reverberation conditions, including matched as well as mismatched condition training. As feature extraction based on supervised Nonnegative Matrix Factorization (NMF) has been proposed in automatic ... the simplification of additive stationary noise [6, 7], or are limited to matched condition training [8–11]. In contrast, this paper is a first attempt to evaluate the impact of nonstat...

Ngày tải lên: 21/06/2014, 07:20

... Journal of Inequalities and Applications 17 12 J. Sugie, “Two-parameter bifurcation in a predator-prey system of Ivlev type,” Journal of Mathematical Analysis 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...

Ngày tải lên: 21/06/2014, 07:20