Báo cáo hóa học: " Channel Estimation and Data Detection for MIMO Systems under Spatially and Temporally Colored Interference" potx

Báo cáo hóa học: "Channel length assisted symbol synchronization for OFDM systems in multipath fading channels" potx

... m) ≥ 0andB(k, m) ≥ 0, and their valuesdepend on k and m. For example, according to Figure 7, for the first case when the summation is within therange of I1, A(k, m)=0andB(k, m) >0; and hence, ... multipath fading channels for comparison.Since the estimator [14] generally has a better perfor-mance than the estimators [5,12,14] in multipathchannels, for clarity, only the performance of the ... time estimation for OFDM systems. IEICE Trans Commun. E92-B(5), 1828–1833(2009). doi:10.1587/transcom.E92.B.182820. T Cui, C Tellambura, Power delay profile and noise variance estimation for OFDM....

báo cáo hóa học: " Muscle-driven forward dynamic simulations for the study of normal and pathological gait" potx

... minimize the differences betweensimulated and measured motions and ground reactionforces, but other choices for the performance criterion canprovide useful information about walking mechanics.Noting ... accelerationsproduced by muscle forces. During the simulation, accel-erations are produced by forces acting in combination:multiple muscle forces, gravity, and ground reactionforces, for example. To determine ... identical except for the for- mulation of the muscle model. The model most resistantto perturbation was a muscle-actuated model whose mus-cles incorporated both the force-length and force-velocityproperties....

Báo cáo hóa học: " The existence of fixed points for new nonlinear multivalued maps and their applications" potx

... [0,12) and (3.14) implies (3.15), and theconclusion of Corollary 3.3 follows from Corollary 3.2.(b) Theorems 3.1-3.4 and Corollaries 3.1 and 3.2 all generalize and improve [5,Theorem 3.4] and ... thatϕ(s) ≤ r(2)t for alls ∈ [t, t + ε(2)t].(d) For each t Î [0, ∞), there existr(3)t∈ [0, 1) and ε(3)t> 0such thatϕ(s) ≤ r(3)t for alls ∈ (t, t + ε(3)t].(e) For each t Î ... Hausdorff metrics. Int Math Forum. 3, 1011–1022 (2008)22. Du, WS: Critical point theorems for nonlinear dynamical systems and their applications. Fixed Point Theory and Applications2010, 16....

Báo cáo hóa học: " BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information" pot

... nar-rowband MIMO channels, we can assume that thechannels are frequency flat. Furthermore, we assumethat the channels are spatially uncorrelated, time-vary-ing, and Rayleigh fading, and channel s ... CSI and downlink transmission channel. 4. With CSI delay and with estimation error: 10 km/h and gp= gsThere are both CSI delay and estimation errorbetween CSI and downlink transmission channel. One ... novel BERexpression for TDD downlink MU -MIMO systems withM-QAM-modulated signals. Furthermore, we find thatCSI delay and channel estimation error degrade systemperformance and even cause error...

Báo cáo hóa học: " Research Article Video Data Hiding for Managing Privacy Information in Surveillance Systems" ppt

... hiding framework for managingprivacy information and various embedding techniques and perceptual distortion and rate models. Keeping the specialconstraints of data hiding for this application ... privacyprotection and management systems and video data hiding.In Section 3, we describe the higher level design of ourprivacy protection system and its components. Section 4introduces the data hiding ... authenticate and preserve the privacyinformation.(2) Propose a data hiding framework for managingprivacy information which can support any kind ofvideo modiﬁcation.(3) Propose a compression domain data...

Báo cáo hóa học: " Research Article Two Sharp Inequalities for Power Mean, Geometric Mean, and Harmonic Mean" pptx

... China under Grant 60850005 and theN S Foundation of Zhejiang Province under Grants Y7080185 and Y607128.References1 S. H. Wu, “Generalization and sharpness of the power means inequality and ... b and Mqa, b  1/3Ga, b2/3Ha, b  Msa, b for all a, b > 0?2. Main ResultsTheorem 2.1. 2/3Ga, b1/3Ha, b  M−1/3a, b for all a, b > 0, equality holds if and only ... power mean bound for thesum 2/3Ga, b1/3Ha, b.6 Journal of Inequalities and ApplicationsTherefore, M0a, bGa, b is the best possible upper power mean bound for thesum 1/3Ga,...

Báo cáo hóa học: " Research Article Jensen’s Inequality for Convex-Concave Antisymmetric Functions and Applications" pptx

... inequality and an application for Gini and Stolarsky means,” Journal of Inequalities in Pure and Applied Mathematics, vol. 5, no. 2, article42, 8 pages, 2004.6 P. S. Bullen, Handbook of Means and ... of J. Peˇcari´c and I. Peri´c was supported by the Croatian Ministry of Science,Education and Sports, under the Research Grants 117-1170889-0888 J. Peˇcari´c and 058-1170889-1050 ... the main motivation for this paper see 3 and 1, pages55-56.Theorem 1.1. Let f : a, b → R be Wright-convex on a, a  b/2 and fx−fa  b − x.Ifxi∈ a, b and xi xn−i1/2...

Báo cáo hóa học: " Research Article Local Regularity Results for Minima of Anisotropic Functionals and Solutions of Anisotropic Equations" pptx

... Morrey 2, Gilbarg and Trudinger 3, and Giaquinta 4 for some details of isotropic cases. For isotropic cases, global Ls-summability was proved in the 1960s by Stampacchia 5 for solutions of ... Boccardo and Giachetti tothe nonlinear case in 6. For anisotropic cases, Giachetti and Porzio recently proved in 7 thelocal Ls-summability for minima of anisotropic functionals and weak ... τ−γAk,tNi1|u|qidx2.2 for every k ∈ N and R0≤ τ<t≤ R1,wherec0is a positive constant that depends only on N, qi, r, R0,R1 and |Ω| and γ is a real positive constant....

Báo cáo hóa học: " Research Article Local Regularity Results for Minima of Anisotropic Functionals and Solutions of Anisotropic Equations" pdf

... the classical books by Ladyˇzenskaya and Ural’ceva 1, Morrey 2, Gilbarg and Trudinger 3, and Giaquinta 4 for some details of isotropic cases. For isotropic cases, global Ls-summability ... τ−γAk,tNi1|u|qidx2.2 for every k ∈ N and R0≤ τ<t≤ R1,wherec0is a positive constant that depends only on N, qi, r, R0,R1 and |Ω| and γ is a real positive constant. ... constant c, depending onlyon γ and θ such that for every , R, T0≤ <R≤ T1, one hasf ≤ cAR − −γ B. 2.52 Journal of Inequalities and Applications and weak solutions of the...

Báo cáo hóa học: " Research Article On the Duality between MIMO Systems with Distributed Antennas and MIMO Systems with Colocated Antennas" pptx

... developed for MIMO systems with colocated antennas can be reused for MIMO systems with distributed antennas, and vice versa.In practice, there are several important diﬀerences be-tween MIMO systems ... that there is astrong duality between MIMO systems with colocated anten-nas (and spatially correlated links) and MIMO systems withdistributed antennas (and unequal average link SNRs). Tothis ... allocation strategies developed for MIMO systems with colocated antennas (see, e.g., [32]foranoverview) may be reused for MIMO systems with distributedantennas, and vice versa. As an example,...

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