Báo cáo hóa học: " Research Article Examining the Viability of Broadband Wireless Access under Alternative Licensing Models in the TV Broadcast Bands" docx

... Networking Volume 2008, Article ID 470571, 12 pages doi:10.1155/2008/470571 Research Article Examining the Viability of Broadband Wireless Access under Alternative Licensing Models in the TV Broadcast ... the different coexisting operators in the same band. Access point cost The cost of building the BWA network infrastructure and paying for it...

Ngày tải lên: 21/06/2014, 23:20

... adapted into the medium access control mechanism of the emerging wireless broadband networks. Specifically, a possible integration of the AWPP resource managing engine into the respective module of the ... unlikely and there are no extensive link failures. Taking also into account that in the examined scenario half of the flows are originated in the AP that doe...

Ngày tải lên: 21/06/2014, 05:20

... draw- backs of such research testbeds is the lack of reproducibility. The nondeterministic behavior of the analog part of the design and the lack of control over the noise and the real-world wireless ... is the comparison of the HDL model against a software fixed- point model or the comparison against the behavior of the floating-point model or against...

Ngày tải lên: 21/06/2014, 23:20

... (x)and a fixed-point theorem that is used in the following sections. 4. About completeness of the image of a set under a linear mapping In beginning, we w ill prove the following result. Lemma ... that is, the mapping f possesses a fixed point in the subset G. For the proof, it is sufficient to note that under the conditions of the corollary, the mapping f 0 sati...

Ngày tải lên: 22/06/2014, 19:20

... Turkington, K. Masselos, G. A. Constantinides, and P. Leong, “FPGA acceleration of the LINPACK benchmark us- ing handel-C and the celoxica floating point library,” in Pro- ceedings of the 9th International ... linear convolution of this sequence with itself performs the squar- ing. As linear convolution in the time domain is equivalent to multiplication in the frequency...

Ngày tải lên: 22/06/2014, 22:20

... implementation,” in Proceedings of the International Computer Music Conference, pp. 398–401, Hong Kong, China, August 1996. [5] F. Fontana, “Preserving the structure of the Moog VCF in the digital domain,” in ... the reset part and by applying the in verse cosine function to the negated values of these selected points (with a caution on phase wrapping performed by...

Ngày tải lên: 21/06/2014, 05:20

... Advances in Signal Processing line whereas d n is the length of the considered in- domain disturbed line. To evaluate the impact of the out -of- domain crosstalk, we introduce the following two parameters: T n 1 =  C n I  −  C n VA   C n I  · 100, T n 2 =  C n VA  −  C n NA   C n VA  · 100, (36) where, ... computing the maximum line length where linear precoding...

Ngày tải lên: 21/06/2014, 08:20

... the beginning of the signal from the μth user and that of the mth user as τ μ →m = | τ μ − τ m |. To detect the mth user’s message, the receiver synchronizes to the beginning of the sig nal of this ... τ 2 =···=τ 8 = 7. the simulation. In addition, SINR of different users decreases with an increasing TOA. In another words, an ordering with decreasing average SIN...

Ngày tải lên: 21/06/2014, 09:20

... estimate the number of periodic points of f and the number of fixed points of the iterates of map f. 1. Introduction Topological fixed point theory deals with the estimation of the number of fixed points ... lifting of f .The lifting degree of f is defined to be the absolute value of the degree of  f, denoted  degf. Obviously, this definition is independent...

Ngày tải lên: 21/06/2014, 11:20

... extension of the results of 8.Ifweputσ  0in these theorems, the same results as Theorem 1 in 8 are obtained. We will prove Theorem 1.1a and b in Sections 3 and 4, respectively. The proof of Theorem ... of Theorem 1.2 is included in the proof of Theorem 1.1a. In the following, R and T are two given positive real numbers greater than 1. C is a positive co...

Ngày tải lên: 21/06/2014, 11:20