Báo cáo hóa học: " Research Article Spatial Multiplexing Gains for Realistic Sized Ad Hoc Networks with Directional Antenna Arrays" pdf

... Networking Volume 2007, Article ID 98490, 12 pages doi:10.1155/2007/98490 Research Article Spatial Multiplexing Gains for Realistic Sized Ad Hoc Networks with Directional Antenna Arrays Eugene ... shown poor performance for large ad hoc networks without spatial multiplexing. In this paper, we will show that spatial multiplexing provides large gain...

Ngày tải lên: 22/06/2014, 19:20

... cited. 1. INTRODUCTION Adaptive antenna arrays in mobile communication systems promise significantly improved performance [1–3]. How- ever, practical limitations in the antenna arrays, for instance, interelement ... means that the radi- ation patterns for the individual array elements are modelled as isotropic or omnidirectional with a far-field phase corre- sponding to the geometrica...

Ngày tải lên: 22/06/2014, 19:20

... Journal on Advances in Signal Processing Volume 2010, Article ID 781720, 13 pages doi:10.1155/2010/781720 Research Article Distributed Encoding Algorithm for Source Localization in Sensor Networks Yo ... nodes being added (i.e., the dynamic ranges of their quantizers do not overlap with those of the nodes being added), they can be skipped for further merging without loss of merg...

Ngày tải lên: 21/06/2014, 08:20

... closed-form formula is a very good approximation, even for the traditional hexagonal network. The simplicity of the result allows a spatial integration of the OCIF leading to closed-form formula for ... some tens. Figure 8 compares the pdf of a gaussian variable with mean μ f and standard deviation σ f / √ n with the pdf of (1/n)  u f u for different values for n. The latter...

Ngày tải lên: 21/06/2014, 11:20

... Corporation Boundary Value Problems Volume 2009, Article ID 560407, 9 pages doi:10.1155/2009/560407 Research Article Interior Controllability of a 2×2 Reaction-Diffusion System with Cross-Diffusion Matrix Hanzel ...  0. 3.5 Now, one is ready to formulate and prove the main theorem of this work. 8 Boundary Value Problems Theorem 3.3 main theorem. If λ 1/2 1 ρ 1  β>0, then for...

Ngày tải lên: 21/06/2014, 20:20

... accurate already with very small sample sizes. See [20] for more details. 4. NML FOR THE NAIVE BAYES MODEL The one-dimensional case discussed in the previous section is not adequate for many real-world ... ques- tion by studying its singularities, which then leads to the asymptotic form for the coefficients. See [25, 26] for details. For the multinomial case, the singularity analy...

Ngày tải lên: 22/06/2014, 00:20

... Corporation Journal of Inequalities and Applications Volume 2008, Article ID 835736, 11 pages doi:10.1155/2008/835736 Research Article Local Regularity Results for Minima of Anisotropic Functionals and Solutions ... exists a constant k 0 , such that for k ≥ k 0 ,wehave   A  k   ≤ 1 2   B T/2   . 3.17 For such values of k we then have |supp u| < 1/2|B T/2 | and the...

Ngày tải lên: 22/06/2014, 18:20

... wireline networks. Thesenewlydefinedtermsallowedustoformulatethe max-min fairness criterion for wireless ad hoc networks in the space-load domain. Finally, we described a generic algo- rithm for max-min ... limit the scope of considered ad hoc networks to medium size, community-based formations. We see this type of networks as one the most probable applica- tions of ad h...

Ngày tải lên: 22/06/2014, 19:20

... (ODMRP) for Ad Hoc Networks, ” IETF In- ternet Draft, November 2002. [26] J. Jetcheva and D. Johnson, “The Adaptive Demand-Driven Multicast Routing Protocol for Mobile Ad Hoc Networks (ADMR),” ... and real-world experi- mental results in mobile ad hoc networks, ” in Proceedings of the 6th Scandinavian Workshop on Wireless Ad- Hoc Networks (ADHOC ’06), Stockholm, Swede...

Ngày tải lên: 22/06/2014, 19:20

... it is possible for pro- cess networks derived from SANLPs as defined in Section 3.2. Our networks can be used as input for tools that expect Kahn process networks by ignoring the additional properties ... in our networks. Each column is further split into Sven Verdoolaege et al. 7 for (j=0; j < Nrw; j++) for (i=0; i < Ncl; i++) a[j][i] = ReadImage(); for (j=1; j < Nrw...

Ngày tải lên: 22/06/2014, 19:20