Báo cáo hóa học: "Research Article A Unified Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx
Báo cáo hóa học: "Research Article A Unified Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx
... optimal OSA
approach and that of TFOSA approach caused by sensing
errors are about 2%, and spectrum holes utilization of
optimal OSA approach is still better than that of TFOSA
approach. In (b), ... distribution, optimal
OSA approach can adapt its access scheme according to
collision tolerable level of primary user, and this approach
can maximize spectrum holes ut...
Báo cáo hóa học: " Research Article A Unified Approach to List-Based Multiuser Detection in Overloaded Receivers" pot
... circular array (UCA) or a uniform
linear array (ULA) but can easily be extended to an arbitrary
geometry. Both a linear spatial prefilter and an MRC-
based diversity combiner are considered as preprocessors.
Performance ... 2:SystemmodelforaULAandaUCAwithM = 4-elements
and D>Msingle-antenna users.
2.2. Uniform linear array
In the ULA configuration, isotropic antenna elements are
loca...
Báo cáo hóa học: " Research Article A Unified Approach to BER Analysis of Synchronous Downlink CDMA Systems with Random " doc
... approximated as a Gaussian random variable hav-
ing zero mean and variance σ
2
u
.
3.2. Probability density function of
MAI in Nakagami-m fading
The Nakagami-m fading distribution is given by (2). Since
channel ... 2σ
2
α
,andm is the Nakagami-m fading
parameter.
We have used the Nakagami-m fading model since it can
represent a wide range of multipath channels via the m pa-
rameter. F...
Báo cáo hóa học: " Research Article A Unified View of Adaptive Variable-Metric Projection Algorithms" ppt
... pages
doi:10.1155/2009/589260
Research Article
A Unified View of Adaptive Variable-Metric
Projection Algorithms
Masahiro Yukawa
1
and Isao Yamada
2
1
Mathematical Neuroscience Laboratory, BSI, RIKEN, 2-1 Hirosawa, Wako, Saitama ... and
convergence to an asymptotically optimal point. Numerical
examples have demonstrated the remarkable advantages of
V-APSM and its robustness against a...
Báo cáo hóa học: " Research Article A Sparsity-Based Approach to 3D Binaural Sound Synthesis Using Time-Frequency Array Processing" ppt
... E. Vincent, S. Araki, and P. Bofill, “The 2008 signal separation
evaluation campaign: a community-based approach to large-
scale evaluation,” in Independent Component Analysis and
Signal Separation, ... signals
and a parametric representation (spatial parameters) of the
multichannel original signal in a time-frequency domain.
The binaural synthesis stage combines the spatial para...
báo cáo hóa học:" Research Article A General Iterative Approach to Variational Inequality Problems and Optimization Problems Jong Soo Jung" ppt
... 1450–1461,
2007.
7 H. Iiduka, W. Takahashi, and M. Toyoda, “Approximation of solutions of variational inequalities for
monotone mappings,” Panamerican Mathematical Journal, vol. 14, no. 2, pp. 49–61, ... The Netherlands, 2001.
6 J. Chen, L. Zhang, and T. Fan, “Viscosity approximation methods f or nonexpansive mappings and
monotone mappings,” Journal of Mathematical Analysis and Applicatio...
Báo cáo hóa học: " Research Article A Fixed Point Approach to the Fuzzy Stability of an Additive-Quadratic-Cubic Functional Equation" pdf
... generalized Ulam-Gavruta-Rassias stability of mixed-type linear and
Euler-Lagrange-Rassias functional equations,”
International Journal of Mathematics and Mathematical
Sciences, vol. 2007, Article ... 2005.
59 M. J. Rassias and J. M. Rassias, “On the Ulam stability for Euler-Lagrange type quadratic functional
equations,” The Australian Journal of Mathematical Analysis and Applications, vo...
Báo cáo hóa học: "Research Article A Fixed Point Approach to the Stability of a Functional Equation of the Spiral of Theodorus" pptx
... Variables,vol.34of
Progress in Nonlinear Differential Equations and Their Applications, Birkh
¨
auser, Boston, Mass, USA, 1998.
8 S M. Jung, Hyers-Ulam-Rassias Stability of Functional Equations in Mathematical Analysis, ... Corporation
Fixed Point Theory and Applications
Volume 2008, Article ID 945010, 7 pages
doi:10.1155/2008/945010
Research Article
A Fixed Point Approach to t...
Báo cáo hóa học: " Research Article A Fixed Point Approach to the Stability of a Volterra Integral Equation" pptx
... Hyers-Ulam-Rassias Stability of Functional Equations in Mathematical Analysis,
Hadronic Press, Palm Harbor, Fla, USA, 2001.
[10] Th. M. Rassias, “On the stability of functional equations and a problem ... functional equations in several variables,” Aequationes
Mathematicae, vol. 50, no. 1-2, pp. 143–190, 1995.
[5] P. G
˘
avrut a, A generalization of the Hyers-Ulam-Rassias stability of...
Báo cáo hóa học: " Research Article A Dual Decomposition Approach to Partial Crosstalk Cancelation in a Multiuser DMT-xDSL Environment" docx
... −1)
table is initialized containing the average capacity increases
per allocated crosstalk cancellation tap. For each of K tones
the capacity increase has to be calculated for all N
− 1
crosstalk ... user. In order to do this, the av-
erage benefit of adding a crosstalk cancellation tap for that
user is increased by a factor ω
n
. A larger weight leads to more
crosstalk cancellat...