modular infrastructure for adaptive distributed intelligent systems

Báo cáo hóa học: " Vector perturbation based adaptive distributed precoding scheme with limited feedback for CoMP systems" docx

Báo cáo hóa học: " Vector perturbation based adaptive distributed precoding scheme with limited feedback for CoMP systems" docx

... Feedback information Feedback bits MBSFN One PMI for K BSs C WLP One PMI for each BSs One phase facor for coordinated BSs C + (C + 1) × (K - 1) ADP One PMI for serving BSs One adjustment factor for ... is very important for such a vector perturbation based adaptive distributed precoding scheme The selected adjustment factor for the coordinated BSs should generate a better adaptive precoding ... article proposed an adaptive distributed precoding scheme for downlink CoMP systems with limited feedback The proposed scheme takes advantage of the space-time characteristics of the distributed MIMO...

Ngày tải lên: 21/06/2014, 03:20

8 289 0
Điện tử công suât mạch MMC  Modular multilevel converter based STATCOM topology suitable for medium voltage unbalanced systems

Điện tử công suât mạch MMC Modular multilevel converter based STATCOM topology suitable for medium voltage unbalanced systems

... voltage, all for phase a component must be the same for the corresponding legs of the NL-HBCC and the PL-HBCC, while the value of the DC voltage component must be in the inverted form for them As ... used in the simulation study The load current waveforms and the source-end current waveforms, before and after compensation, are shown in Fig Before the start time (tS = 0.1S), the compensator ... load Fig Voltage waveforms at the PCC, and current waveforms in the load side and source side, befor and after compensation by the MMC based STATCOM Fig The MMC legs currents before and after compensation...

Ngày tải lên: 15/10/2013, 16:24

7 593 3
Tài liệu Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases’ doc

Tài liệu Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases’ doc

... same information, the companion datatransforming processor transforms data described using schema B’s description into data described using schema A’s description To perform these transformations, ... generate a transforming processor for transforming specific commands or data automatically For example, an SQL-to-COBOL program generator might generate a specific data-transforming processor, ... has provisions to store model transformation information and attach a transforming processor Federated Database Systems schema that stores the following information: types of Data needed by...

Ngày tải lên: 20/02/2014, 05:21

54 420 0
PADS: A Policy Architecture for Distributed Storage Systems pptx

PADS: A Policy Architecture for Distributed Storage Systems pptx

... Other frameworks A number of other efforts have defined frameworks for constructing distributed storage systems for different environments Deceit [29] focuses on distributed storage across a well-connected ... system for distributed workstation environments IEEE Trans Computers, 39(4), 1990 [28] M Shapiro, K Bhargavan, and N Krishna A constraintbased formalism for consistency in replicated systems ... 6th USENIX Symposium on Networked Systems Design and Implementation USENIX Association object isValid is useful for enforcing monotonic coherence on reads2 and for maximizing availability by ensuring...

Ngày tải lên: 16/03/2014, 19:20

15 454 0
Báo cáo hóa học: " Adaptive antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels" pptx

Báo cáo hóa học: " Adaptive antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels" pptx

... resort to a simple stochastic gradient method for updating the beamformers 4.1 Stochastic gradient algorithm for beamformer update The algorithm for the beamformer update is a generalization of [14] ... the current beamformers (w, u), we generate Kt perturbation vectors for the transmit beamformer, pj ∼ CN (0, I), j = 1, , Kt, and K r perturbation vectors for the receive beamformer, qi ∼ CN ... performance requirement in order to guarantee that the actual performance of the selected subset meets the requirement with minimum number of selected antenna Performance of adaptive beamforming...

Ngày tải lên: 21/06/2014, 01:20

14 404 0
Báo cáo hóa học: " Research Article Link-Adaptive Distributed Coding for Multisource Cooperation" potx

Báo cáo hóa học: " Research Article Link-Adaptive Distributed Coding for Multisource Cooperation" potx

... rarely possible in closed form especially for the DF-based cooperative systems even for simple constellations using repetition coding; see also [9] for similar comments For this reason, we will ... PEP as in, for example, [9] or [4] However, for systems with the same diversity order, comparing relative performance typically relies on their respective coding gains [17, Chapter 2] Unfortunately, ... used for matrices (column vectors); [·]i, j ([·]i ) for the i, jth (ith) entry of a matrix (vector); [·]i,: ([·]:, j ) for the ith ( jth) row (column) of a matrix; [·]i: j will denote a vector formed...

Ngày tải lên: 22/06/2014, 19:20

12 212 0
Báo cáo hóa học: " A Reconfigurable Spiral Antenna for Adaptive MIMO Systems" docx

Báo cáo hóa học: " A Reconfigurable Spiral Antenna for Adaptive MIMO Systems" docx

... and systems He is recently concentrating on the applications of RF-MEMS to space science systems and a new class of reconfigurable antennas for use in adaptive multi-input multi-output (MIMO) systems ... Reconfigurable Spiral Antenna for Adaptive MIMO Systems 385 Spiral segments Coax inner conductor DC bias path (a) (b) (c) RF-MEMS actuator (d) Figure 3: Fabrication sequence for monolithic integration ... US Air Force under Grant F04611-03-C-004 The authors would like to acknowledge the staffs of the Integrated Nanosystems Research Facility clean room, University of California, Irvine, for their...

Ngày tải lên: 23/06/2014, 00:20

8 264 0
Báo cáo hóa học: " Computationally Efficient Blind Code Synchronization for Asynchronous DS-CDMA Systems with Adaptive " ppt

Báo cáo hóa học: " Computationally Efficient Blind Code Synchronization for Asynchronous DS-CDMA Systems with Adaptive " ppt

... decision-feedback (DF) adaptive scheme for the steering vector is detailed in Section 3.3 In Section 4, an adaptive batch-mode truncated MWF realization is introduced and its performance is evaluated ... scenario Thus, the estimated information symbol d1 is utilized as the feedback information to provide an accurate estimation of vector u in (17) An efficient recursive formula for updating the estimate ... 7: (a) The acquisition performance versus SNR parameterized by J for K = 6, L = 6JN, M = 4, and N = 31 (b) The acquisition performance versus SNR parameterized by L for J = 2, K = 6, M = 4, and...

Ngày tải lên: 23/06/2014, 01:20

15 186 0
báo cáo khoa học: " Determining research knowledge infrastructure for healthcare systems: a qualitative study" pptx

báo cáo khoa học: " Determining research knowledge infrastructure for healthcare systems: a qualitative study" pptx

... brokers who, for example, manage the collaboration between the organisation and external information and knowledge producers; and training programs to help in, for example, searching for information, ... provinces (i.e., extraction of key information from organisations’ websites and informal interviews with key informants) Our informal interviews with 17 key informants were aimed at generating examples ... Climate for Research Use, many of the informants referred to their organisation’s strategic plan, which explicitly supported the use of research evidence in decision making Most of the informants...

Ngày tải lên: 10/08/2014, 10:23

5 617 0
Multi agent system for control and management of distributed power systems

Multi agent system for control and management of distributed power systems

... of distributed power systems Section 1.5 presents details about the control and management of distributed power systems Section 1.6 proposes an approach for the control and management of distributed ... modern power systems are becoming more distributed Therefore, it is necessary to come up with a distributed operational architecture for the control and management of modern power systems There ... power systems intend to have distributed storage systems and integrated plug-in hybrid electrical vehicles, this dissertation also seeks to provide a multi-agent system platform for managing distributed...

Ngày tải lên: 09/09/2015, 17:53

245 679 0
Dynamic scheduling techniques for adaptive applications on real time embedded systems

Dynamic scheduling techniques for adaptive applications on real time embedded systems

... platforms makes adaptive applications an interesting value proposition Applying dynamic scheduling for such applications will bring further flexibility for meeting the overall system’s performance ... scheduling for Multiprocessor Real-Time Embedded Systems, ” preparing for journal submission Heng Yu, Bharadwaj Veeravalli, and Yajun Ha, “Leakage-aware Dynamic Scheduling for Real-time Adaptive ... communications platforms, thus impacts on overheads caused by transmission fluctuations are rarely found in the literature 2.2.3 Scheduling for Adaptive Applications Scheduling techniques for adaptive applications...

Ngày tải lên: 10/09/2015, 15:52

141 263 0
Adaptive parallel interference cancellation receivers with diversity combining for multicarrier DS CDMA systems

Adaptive parallel interference cancellation receivers with diversity combining for multicarrier DS CDMA systems

... 6.3 Performance Analysis 81 6.3.1 Performance of the matched filter (MF) receiver 81 6.3.2 Performance of the Conventional PIC (CPIC) Receiver 84 6.3.3 Performance of the Adaptive ... CPIC and APIC receivers for synchronous MC-DS-CDMA 5.1 BER Performance of various receivers in Rayleigh fading channel at SNR of 20dB for synchronous MC-DS-CDMA 5.2 BER performance of one-stage ... function of SNR for synchronous MC-DS-CDMA system 5.3 BER performance of one-stage APIC receiver with different initial weights as a function of step-size for MC-DS-CDMA system 5.4 BER performance of...

Ngày tải lên: 26/09/2015, 11:07

121 169 0
Mechatronics and intelligent systems for off road vehicles

Mechatronics and intelligent systems for off road vehicles

... by the maximum tractive effort on the wheels Thus, for instance, the steering performance of a vehicle is greatly affected by the tractive effort on the front wheels (for front-wheel-steered vehicles), ... knowledge of the draft force required to pull the implement The ASABE Standard 497.6 [10] includes an equation for calculating this draft force for a range of different implements for which a set of ... is essential to plan efficiently and, for example, merge the information from several sources into a single screen Figure 1.6 General architecture for an intelligent vehicle 12 Introduction with...

Ngày tải lên: 17/02/2016, 14:48

279 434 1
Design methods and applications for distributed embedded systems

Design methods and applications for distributed embedded systems

... design of distributed production control systems and the design of self-optimizing multi-agent systems with mechatronic components In the former, UML is applied to model distributed software for controlling ... space This is typical for example for distributed systems that consist of several interacting components running in parallel In order to cope also with such distributed systems we propose a solution ... Laprie and the Programme Chair Reino Kurki-Suoni for their support and for the local arrangements in Toulouse MDA PLATFORM FOR COMPLEX EMBEDDED SYSTEMS DEVELOPMENT Chokri Mraidha, Sylvain Robert,...

Ngày tải lên: 08/03/2016, 11:22

338 584 0
A methodology for validation of integrated systems models with an application to coastal-zone management in south-west sulawesi

A methodology for validation of integrated systems models with an application to coastal-zone management in south-west sulawesi

... difficult to describe Therefore, I would like to ask for the forgiveness from those whose assistance cannot be appreciated in words and from those who, by any chance, I forgot to mention First of ... parameters, state variables, boundaries, etc.) Examples of open systems are: groundwater systems, social systems, as well as most of the natural systems Four types of variables characterize a model of ... Industrial Dynamics (Forrester, 1961) and Urban Dynamics (Forrester, 1969), developed by Jay W Forrester, at the Massachusetts Institute of Technology This discipline is based on systems theory, control...

Ngày tải lên: 06/11/2012, 10:35

139 492 0
intelligent systems

intelligent systems

... Dept of Intelligent Systems Minsk, Belarus Introduction The XXI century is based on developments of up-to-date intelligent systems and selflearning wireless distributed sensory networks for different ... 26 Intelligent system “ISPB” with the virtual polarized “electronic eye” for the calculation of reflection coefficients of polarized light and forming information patterns 28 Intelligent Systems ... tillable field for the sensory control Microsensory intelligent systems on a chip “electronic eye” (e-eye) with a LED technology of the data acquisition let form soil light-colour information patterns...

Ngày tải lên: 20/09/2013, 20:03

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