Design And Performance Of 3G Wireless Networks And Wireless Lans Springer

broadband data performance of 3g WCDMA

broadband data performance of 3g WCDMA
... principles of WCDMA Evolved the development of WCDMA Evolved This analysis often relies on several assumptions, which although simplified, give a good indication of network performance, especially of ... between end-user performance and operator performance (in terms of supporting many subscribers) Field experience has shown that WCDMA can provide good performance for mobile broadband data, both for ... and data rates Figure Evolution of WCDMA end-user bit rates for file upload (Note: A logarithmic scale has been used for the bit rates) Figure Evolution of WCDMA end-user bit rates for data...
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Báo cáo hóa học: " Research Article A Simulation Study: The Impact of Random and Realistic Mobility Models on the Performance of Bypass-AODV in Ad Hoc Wireless Networks" pdf

Báo cáo hóa học:
... Impact of Vehicular Mobility Models on Bypass-AODV Vehicular mobility models, FRW and MAN, are adopted to evaluate the performance of Bypass-AODV and then to compare it with AODV Initially, the ... the impact of each mobility model on the performance of the Bypass-AODV as well as the original AODV (1) The routing overhead ratio is the ratio of the amount in bytes of control packets transmitted ... statistical analysis of the long-run node spatial distribution in mobile ad hoc networks,” in Proceedings of the ACM International Workshop on Modeling, Analysis and Simulation of Wireless and Mobile...
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Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc

Báo cáo hóa học:
... can be completely avoided and the lifetime of the BSN can be prolonged Another energy-efficient TDMA-based MAC protocol for wireless BSNs is the BodyMAC [13], which uses flexible and efficient bandwidth ... conditions, an energy-efficiency comparison between DQMAC performance and that of the standard facto 802.15.4 MAC and the BSN -MAC is portrayed BSN -MAC has been selected as a reference benchmark for its ... sensing and backoff periods) Based on that, we propose here a novel DQ -MAC energy-efficiency theoretical analysis for nonsaturation conditions and evaluate its performance in front of 802.15.4 MAC and...
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Báo cáo hóa học: " Rapid Industrial Prototyping and SoC Design of 3G/4G Wireless Systems Using an HLS Methodology" pdf

Báo cáo hóa học:
... in rapid prototyping of 3G/4G systems The rest of the paper is organized as follows We first describe the model of 3G/4G wireless systems using MIMO technologies and identify the prototyping and ... multiple-antenna systems, VLSI design and prototyping, and DSP and VLSI architectures for wireless systems, 3GPP long-term evolution (LTE), OFDM, WiMax He is a Member of IEEE He has patents pending in wireless ... hardware design challenges for the advanced signal processing algorithms in 3G/4G systems lead to a demand for new methodologies and tools to address design, verification, and test problems in this rapidly...
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Báo cáo hóa học: " Design and Implementation of MC-CDMA Systems for Future Wireless Networks" doc

Báo cáo hóa học:
... efficiency of a fully SW implementation and the potential bottleneck represented by intercomponent communications Future Design and Implementation of MC-CDMA Systems 1613 Table 5: Implementation performances ... attributes such as time Future Design and Implementation of MC-CDMA Systems 1607 Complexity analysis, and implementation performances prediction Architectural attributes Feedback for distribution optimisation ... Future Design and Implementation of MC-CDMA Systems mobility Thus, MC-CDMA is nowadays considered as a very promising technique, specifically for the downlink of the future cellular...
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DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS

DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS
... attempts to develop a new network management and data collection framework for heterogeneous wireless sensor networks called as Heterogeneous Wireless Sensor Networks Management System (H-WSNMS), which ... WSNs Wireless Sensor Networks XML Extensible Mark-up Language xi ABSTRACT Yu, Qun M.S., Purdue University, August, 2010 Design and Implementation of Web-based Data and Network Management System for ... IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS A Thesis Submitted to the Faculty of Purdue University by Qun Yu In Partial Fulfillment of the Requirements...
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Design and performance analysis of efficient wireless systems

Design and performance analysis of efficient wireless systems
... DESIGN AND PERFORMANCE ANALYSIS OF EFFICIENT WIRELESS SYSTEMS WANG PEIJIE (M.Sc., National University of Singapore) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ... communication systems and discuss issues on performance analysis Then, we focus on summarizing the current results on the receiver design and performance analysis of coherent DF relay systems, which ... Our design and analysis of the ABEP-based and the BEOP-based power control laws are generalized for both BPSK and quadrature phase shift keying (QPSK) modulations 1.2.2 Receiver Design and Performance...
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Analysis, design and optimization of energy efficient protocols for wireless sensor networks

Analysis, design and optimization of energy efficient protocols for wireless sensor networks
... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Networks ... 3.2 43 Wireless Sensor Nodes’ Energy Model and Cluster Head Rotation for Balancing Energy 43 3.2.1 Energy Model of the Wireless Sensor Node ...
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Design and analysis of optimal resource allocation policies in wireless networks

Design and analysis of optimal resource allocation policies in wireless networks
... DESIGN AND ANALYSIS OF OPTIMAL RESOURCE ALLOCATION POLICIES IN WIRELESS NETWORKS BY WANG BANG (M.Eng., B.Eng., HUST, PRC ) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSOPHY ... delay and delay bound of different optimal policies 106 5.7 Policy value of optimal policies with different number of available actions 107 5.8 Average delay and delay bound of optimal policies ... the design of optimal resource allocation policies for data services in wireless networks In particular, this thesis investigates the following resource management issues: power allocation, transmission...
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Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks

Radio Link Performance of  Third Generation (3G) Technologies  For Wireless Networks
... Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks Gustavo Nader (Abstract) Third generation wireless mobile communication networks are characterized ... Table of Figures viii List of Tables xxiii Chapter - Introduction 1.1 The Need for Third- Generation Wireless Technologies Chapter - Evolution of Wireless ... Receiver Performance 12 3.4.1 Background to the Research on GPRS Receiver Performance 12 3.4.2 GPRS Link Performance in Noise Limited Environments 12 3.4.3 GPRS Link Performance in...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis

Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
... performance and thermal characteristics of the system Description of the multi-stage evacuated solar desalination system The Multi-stage evacuated solar desalination system is a combination of ... Results and discussion There are many design and operating parameters which affect the performance characteristics and distillate yield of the multi-stage evacuated desalination system These parameters ... Conclusion A transient mathematical model was developed for the flat plate collector and the multi-stage evacuated solar desalination system to evaluate the optimum design configuration and system...
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Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc

Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity ... (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high bandwidth-delay product) ... shortcomings of TCP • We explained the design rationale and implementations details in this paper Future Work • Bandwidth Estimation • CPU utilization – Self-clocking – Code optimization • Theoretical...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc

Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
... registration, location, and actiThe CORBA Event Service model simplifies application vation; request demultiplexing; framing and error-handling; parameter marshalling and demarshalling; and operation ... filtering and corINTERFACES INTERFACES FACILITIES relation mechanisms To alleviate the limitations with the standard CORBA Event Service, we have developed a Real-time Event Service (RT Event Service) ... and Filtering Module connect and disconnect from the channel The CORBA Event Service defines Event Channels as broadTAO’s RT Event Service model extends the standard casters that forward all events...
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Báo cáo hóa học: " Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless functional nearinfrared spectroscopy (fNIRS)" potx

Báo cáo hóa học:
... this article as: Holper et al.: Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless ... execution (as in traditional motor learning), imitation, observation (as in observational learning) and motor imagery Activation of these brain areas following observation or motor imagery may thereby ... within the same secondary motor areas during observation, motor imagery and overt motor execution (unilateral and bilateral group, Figure and 6) Although not all of the observed changes reached statistical...
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