Báo cáo hóa học: " Classification-Based Spatial Error Concealment for Visual Communications" pptx

Báo cáo hóa học: " Classification-Based Spatial Error Concealment for Visual Communications" pptx

Báo cáo hóa học: " Classification-Based Spatial Error Concealment for Visual Communications" pptx

... side information. Regarding the detailed encoding method for side infor- mation, we denote the side information for the GSB con- cealment method as “0” and that for OASI as “1.” The side information ... other concealment techniques and ac- commodate more than two candidate techniques. 6. CONCLUSIONS In this paper, we present a new, classification-based spatial error concealment...
Ngày tải lên : 22/06/2014, 22:20
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Báo cáo hóa học: "Editorial Space-Time Channel Modeling for Wireless Communications" pptx

Báo cáo hóa học: "Editorial Space-Time Channel Modeling for Wireless Communications" pptx

... configuration particular focusing on spatially configuring two transmitters, in a 2 ×4 configuration, to approach the performance of a 4× 4 configuration. Path loss and spatial correlation properties for the different ... around multiple-input multiple-output (MIMO) techniques for wireless communications is based on capacity gains obtained by more fully exploiting the spatial and temporal...
Ngày tải lên : 21/06/2014, 22:20
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Báo cáo hóa học: " Research Article Spatial Multiplexing Gains for Realistic Sized Ad Hoc Networks with Directional Antenna Arrays" pdf

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

... assume the antenna arrays used for the spa- tial multiplexing wil l also be used for beamforming. We will study the uniform throughput capacity, or sim- ply uniform throughput, which we define ... have shown poor performance for large ad hoc networks without spatial multiplexing. In this paper, we will show that spatial multiplexing provides large gains in throughput for small netw...
Ngày tải lên : 22/06/2014, 19:20
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Báo cáo hóa học: " Research Article Sufficient Univalence Conditions for Analytic Functions" pptx

Báo cáo hóa học: " Research Article Sufficient Univalence Conditions for Analytic Functions" pptx

... Nehari, Conformal Mapping, McGraw-Hill, New York, NY, USA, 1952. [4] Z. Nehari, Conformal Mapping, Dover, New York, NY, USA, 1975. [5] N. Seenivasagan and D. Breaz, “Certain sufficient conditions for ... (z)|≤1, then   f (z)   ≤| z| (1.5) for all z ∈ ᐁ, where the equality can hold only if | f (z)|=Kz and K = 1. In [5], Seenivasagan and Breaz consider, for f i ∈ Ꮽ 2 (i = 1,2, ,n)andα 1...
Ngày tải lên : 21/06/2014, 22:20
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Báo cáo hóa học: "Editorial Advances in Propagation Modeling for Wireless Systems" pptx

Báo cáo hóa học: "Editorial Advances in Propagation Modeling for Wireless Systems" pptx

... 2 EURASIP Journal on Wireless Communications and Networking formulas are inferred for the path loss, slow- and fast- fading, and interference modeling. A comparison with ... take this opportunity to express our sincere thanks to the authors for contributing to this special issue and to the reviewers for providing prompt and detailed remarks that helped improve the ... make use of the de...
Ngày tải lên : 21/06/2014, 23:20
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Báo cáo hóa học: "Modular Inverse Algorithms Without Multiplications for Cryptographic Applications" pptx

Báo cáo hóa học: "Modular Inverse Algorithms Without Multiplications for Cryptographic Applications" pptx

... at all. For example, on computational platforms where long parallel adders perform multiplications by repeated shift-add operations, (see [10] for fast adder architec- tures.) (iii) for RSA key ... selection of the proper point representation for elliptic curves, and so forth. The discussed algorithms run in quadratic time: O(n 2 ) for n-bit input. For very long operands more comp...
Ngày tải lên : 22/06/2014, 22:20
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Báo cáo hóa học: "Research Article A Discrete Model for Color Naming" pptx

Báo cáo hóa học: "Research Article A Discrete Model for Color Naming" pptx

... effective mean for the visualization of the color categorization data in any 3D space. In this paper, we have chosen the CIELAB space, whose per- ceptual uniformity makes it exploitable for image ... order. The order was different for each block of trials (three for each subject) and within trials for the same subject. Standard instructions were provided in writ- ten form in the cente...
Ngày tải lên : 22/06/2014, 23:20
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Báo cáo hóa học: " Research Article A New Method for Least-Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters" pdf

Báo cáo hóa học: " Research Article A New Method for Least-Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters" pdf

... Processing phase-oriented error and frequency-response-oriented error is given, and it will be shown that both will lead to the same solution. The formal formulation for LS group-delay error design of ... the normalized root-mean-squared group-delay error, the maxi- mum group-delay error, the normalized root-mean-squared phase error, and the maximum phase error are defined by ε τ2...
Ngày tải lên : 21/06/2014, 07:20
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Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt

Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt

... channel estimation errors. For a fixed channel estimation variance error σ 2 ΔH , a larger variance of frequency offset estimation error, that is, σ 2 res , implies a higher BER. For example, if σ 2 ΔH = ... offsetestimationerrorsisrequired.In[31], it is shown that both the uniform distribution and Gaussian distribution are amenable to infinite-series solutions with closed-form formulas f...
Ngày tải lên : 21/06/2014, 11:20
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Báo cáo hóa học: " Research Article Spatial Capacity of UWB Networks with Space-Time Focusing Transmission" pot

Báo cáo hóa học: " Research Article Spatial Capacity of UWB Networks with Space-Time Focusing Transmission" pot

... the spatial capacity will not be changed. This is why the spatial capacity does not depend on T s . There are optimal values of μ to maximize the upper and lower bounds of the sum data rate. For ... infinitesimal. To ensure the error- free communications, it would be better to apply low-rate coding, low-level modulation, and large gain spreading, and so forth. For α = 4, the optimal o...
Ngày tải lên : 21/06/2014, 11:20
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