transport layer performance analysis

Phy layer and mac layer protocol design and performance analysis for opportunistic spectrum access in cognitive radio networks

Phy layer and mac layer protocol design and performance analysis for opportunistic spectrum access in cognitive radio networks

... physical (PHY) layer and medium access control (MAC) layer In this thesis, we focus on cognitive radio networks (CRN) and aim to improve the spectrum sensing performance at the PHY layer and to ... the performance analysis of IEEE 802.11 MAC protocol in WLAN and multi-hop networks, respectively Meanwhile, we provide a literature review of existing works on both the PHY layer and the MAC layer ... CR-ALOHA 76 4.5.2 Performance of CR-CSMA 81 4.5.3 Tradeoff between Performance and Interference 83 4.5.4 Tradeoff between Performance and Agility ...

Ngày tải lên: 10/09/2015, 15:53

188 340 0
Transport Layer

Transport Layer

... udt_send(sndpkt) start_timer Transport Layer 3-38 rdt3.0 in action Transport Layer 3-39 rdt3.0 in action Transport Layer 3-40 Performance of rdt3.0 Ì rdt3.0 works, but performance stinks Ì example: ... than one transport protocol available to apps r Internet: TCP and UDP Ì provide application transport network data link physical Transport Layer 3-4 Transport vs network layer network layer: logical ... transport layer protocols in the Internet: r r r UDP: connectionless transport TCP: connection-oriented transport TCP congestion control Transport Layer 3-2 Chapter outline Ì 3.1 Transport- layer...

Ngày tải lên: 12/09/2012, 15:06

113 502 0
Performance analysis of wind turbine systems under different parameters effect

Performance analysis of wind turbine systems under different parameters effect

... simulation, optimization and sensitivity analysis of small power generating systems based on renewable energies [3], however, the modeling, simulation and analysis of a large variety of systems ... on the mechanical and electrical power Many effects have to be considered during the analysis of wind turbine performance, like the turbine blade, wind speed, air density, pressure, temperature, ... _Evaluation_of_parameters_affecting_wind_turbine_power_generation.pdf [5] Balasubramaniam Babypriya, Rajapalan Anita, “Modeling, Simulation and Analysis of Doubly Fed Induction Generator for Wind Turbine”, Journal of Electrical Engineering,...

Ngày tải lên: 05/09/2013, 16:10

10 545 0
Transport Diversity: Performance Routing (PfR) Design Guid

Transport Diversity: Performance Routing (PfR) Design Guid

... Prefix Management 26 Scalability and Performance Results 31 Performance Results Summary 31 Topology 32 Traffic Profile 32 Software Release 32 25 Transport Diversity: Performance Routing (PfR) Design ... Scalability and Performance Results 51 Performance Results Summary 51 Topology 51 Traffic Profile 52 Software Release 52 Load Sharing Performance Results 53 Latency Optimization Performance Results ... Notation 124 Transport Diversity: Performance Routing (PfR) Design Guide OL-15864-01 (EDCS-610117) v Contents Reference Configuration for Load Balancing Caveats 125 125 Transport Diversity: Performance...

Ngày tải lên: 22/10/2013, 16:15

132 177 0
Performance Analysis of Network-MIMO Systems

Performance Analysis of Network-MIMO Systems

... general terms, this thesis focuses on performance analysis of network MIMO systems Because Network-MIMO is an enhancement model of the original MIMO systems, we first analysis the theoretical of MIMO ... multiplexing, and diversity coding Pre-coding is multi -layer beamforming in a narrow sense or all spatial processing at the transmitter in a wide-sense In (singlelayer) beamforming, the same signal is emitted ... performance by keeping a certain single-user connection, even when the channel conditions are unfavorable Third, neglecting the interference makes us overly optimistic on behalf of the MIMO performance, ...

Ngày tải lên: 26/11/2013, 20:49

47 356 0
Portfolio optimization and performance analysis

Portfolio optimization and performance analysis

... 119 127 Portfolio performance 5.1 Standard performance measures 5.1.1 The Capital Asset Pricing Model 5.1.2 The three standard performance measures 5.1.3 Other performance measures ... minimization, are more recent V VI Portfolio Optimization and Performance Analysis - Chapter is devoted to the very well-known Markowitz analysis Some extensions are analyzed, in particular with ... IX X II Portfolio Optimization and Performance Analysis Standard portfolio optimization Static optimization 3.1 Mean-variance analysis 3.1.1 Diversification effect ...

Ngày tải lên: 04/12/2013, 23:54

451 434 0
Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx

Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx

... end devices H c vi n m ng Bách khoa - Website: www.bkacad.com Transport Layer Role and Services • Explain the purpose of the Transport layer • Enables multiple applications • • to communicate over ... mechanisms H c vi n m ng Bách khoa - Website: www.bkacad.com Transport Layer Role and Services • Major functions of the transport layer and the role it plays in data networks – Tracking the individual ... can be included in a single PDU The Transport layer divides application data into blocks of data that are an appropriate size At the destination, the Transport layer reassembles the data before...

Ngày tải lên: 22/12/2013, 13:17

46 378 0
Tài liệu Large Event Traces in Parallel Performance Analysis ppt

Tài liệu Large Event Traces in Parallel Performance Analysis ppt

... is a major limitation of trace-based performance analysis Due to its ability to highlight complex performance phenomena, however, tracebased performance analysis will continue to be needed to ... Distributed analysis Number of processes Speeds up analysis and visualization Automatic pattern search Long traces Speeds up analysis Topological analysis Number of processes Groups processes in analysis ... the principle of keeping performance data close to the location where they were created and of exploiting distributed memory for the analysis It consists of a parallel analysis server and a potentially...

Ngày tải lên: 19/02/2014, 18:20

10 445 0
Tài liệu Báo cáo khoa học: "Opinion and Generic Question Answering Systems: a Performance Analysis" ppt

Tài liệu Báo cáo khoa học: "Opinion and Generic Question Answering Systems: a Performance Analysis" ppt

... creation of effective QA systems both for general and subjective texts, as, for example, the Text Analysis Conference (TAC) Last year’s TAC 2008 Opinion QA track proposed a mixed setting of factoid ... Protocol? ¿Qué administración actúa totalmente en contra de la lucha contra el cambio climático? 1.2 Performance of the two systems We evaluated and compared the generic QA system of the University ... Muñoz 2008 The DLSIUAES Team’s Participation in the TAC 2008 Tracks In Proceedings of the Text Analysis Conference (TAC 2008) Conclusions and future work W Li, Y Ouyang, Y Hu, F Wei PolyU at...

Ngày tải lên: 20/02/2014, 09:20

4 278 0
Manulife Vietnam  financial performance analysis

Manulife Vietnam financial performance analysis

... financial performance analysis using CAMEL 20 2.3.1.Capital Adequacy Analysis 20 2.3.2.Asset Quality Analysis .22 2.3.4.Earnings and Profitability analysis ... Vietnam are based on IFRS 1.3.1.2 Financial analysis Financialanalysis (also referred to as financial statementanalysis or accounting analysis or Analysis of finance) refers to an assessment ... insurers away from their optimal capital structures 1.3 Financial performance analysis and CAMEL framework 1.3.1 Financial performance analysis 1.3.1.1 Financial statement A financial statement (or...

Ngày tải lên: 07/03/2014, 15:42

36 807 2
UNDERSTANDING INTERNET ROUTING ANOMALIES AND BUILDING ROBUST TRANSPORT LAYER PROTOCOLS docx

UNDERSTANDING INTERNET ROUTING ANOMALIES AND BUILDING ROBUST TRANSPORT LAYER PROTOCOLS docx

... made to enhance network performance using striping techniques at the link -layer, transport- layer, and application -layer We are the first to implement and evaluate a transport- layer protocol that can ... techniques to improve performance and robustness Based on the network layer where the striping techniques are applied, we classify them into link -layer, transport- layer, and application -layer striping ... discuss the research efforts that improve the end-to-end performance using striping at the link -layer, application -layer and transport- layer Chapter focuses on PlanetSeer, a large-scale distributed...

Ngày tải lên: 15/03/2014, 21:20

132 256 0
QUASILINEAR CONTROL: Performance Analysis and Design of Feedback Systems with Nonlinear Sensors and Actuators pot

QUASILINEAR CONTROL: Performance Analysis and Design of Feedback Systems with Nonlinear Sensors and Actuators pot

... g(·) so that the performance degradation is guaranteed to be less than a given bound P5 Complete performance recovery: Given f (·) and g(·), modify, if possible, C (s) so that performance degradation ... (rigorous formulations are given in subsequent chapters): P1 Performance analysis: Given P(s), C(s), f (·), and g(·), quantify the performance of the closed loop LPNI system from the point of ... nonzero output variance The performance of the actual system with an SLQR controller closely matches the intended design The actual SLQR performance exceeds the actual LQR performance for all values...

Ngày tải lên: 23/03/2014, 15:20

300 639 0
turbomachinary performance analysis

turbomachinary performance analysis

... dimensional analysis Two-dimensional cascades 21 Principles of performance analysis for axial turbines 47 Performance analysis for axial compressors and fans 82 Simplified meridional flow analysis ... dynamic analysis 245 Appendix I: 'FIPSI': A computer program for selection and performance analysis of axial turbine stages Appendix II: 'CASCADE': A computer program for design and analysis ... of analysis, which involves selection of dimensionless performance coefficients for each meridional streamline such as ~0, Fig 1.5 1.2.1 Overall dimensional analysis and global dimensionless performance...

Ngày tải lên: 08/04/2014, 11:44

335 173 0
performance analysis of communications networks and systems

performance analysis of communications networks and systems

... group 18.1 18.2 18.3 18.4 18.5 18.6 Introduction General analysis The -ary tree The uniform recursive tree (URT) Approximate analysis The performance measure in exponentially growing trees ix 404 ... Performance analysis belongs to the domain of applied mathematics The major domain of application in this book concerns telecommunications systems and networks We will mainly use stochastic analysis ... PERFORMANCE ANALYSIS OF COMMUNICATIONS NETWORKS AND SYSTEMS PIET VAN MIEGHEM Delft University of Technology...

Ngày tải lên: 01/06/2014, 11:02

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young, driggers, jacobs  -  signal processiong and performance analysis for imaging systems

young, driggers, jacobs - signal processiong and performance analysis for imaging systems

... Processing and Performance Analysis for Imaging Systems For a listing of recent titles in the Artech House Optoelectronics Series, turn to the back of this book Signal Processing and Performance Analysis ... Basic Principles of Imaging Systems and Performance CHAPTER Introduction 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 “Combined” Imaging System Performance Imaging Performance Signal Processing: Basic ... Resampling System Design 5.5.4 Resampling Filters 5.5.5 Resampling Filters Performance Analysis 5.6 Image Resampling Performance Measurements 5.7 Summary References 107 107 109 109 110 111 111...

Ngày tải lên: 05/06/2014, 12:06

323 441 0
Cellular Networks Positioning Performance Analysis Reliability Part 1 ppt

Cellular Networks Positioning Performance Analysis Reliability Part 1 ppt

... idle periods in the UE means that its OTDOA 18 Cellular Networks - Positioning, Performance Analysis, Reliability performance will improve when idle periods are available Alternatively, the UE ... Additional hard copies can be obtained from orders@intechweb.org Cellular Networks - Positioning, Performance Analysis, Reliability, Edited by Agassi Melikov p cm ISBN 978-953-307-246-3 free online editions ... Mathematical Analysis Methods of Guard-Channel-Based Call Admission Control in Cellular Networks 151 Felipe A Cruz-Pérez, Ricardo Toledo-Marín and Genaro Hernández-Valdez Chapter Numerical Approach to Performance...

Ngày tải lên: 20/06/2014, 01:20

30 268 0
Cellular Networks Positioning Performance Analysis Reliability Part 2 ppt

Cellular Networks Positioning Performance Analysis Reliability Part 2 ppt

... Positioning, Performance Analysis, Reliability Fig 38 Spatial spectra for BF, MVDR, MUSIC and SAS AOAs: 73°and 77°,SNR=-1dB Conclusion This chapter is focused on the design and analysis of wireless ... + ,1δx + ,2 δy ≈ di + 1,1 + εi + 1,1 i = 1, N −1 (18) 22 Cellular Networks - Positioning, Performance Analysis, Reliability Where f i ,0 = f i ( x0 , y ) ,1 = ∂f i ∂x = X − x0 ∧ − X i + − x0 ∧ ... Φ( x1 , y1 ) ≈ min{ Φ( x0 − λ g10 , y − λ g20 )} (23) 24 Cellular Networks - Positioning, Performance Analysis, Reliability In order to fix on another approximation close to ( x0 , y0 ) , expand...

Ngày tải lên: 20/06/2014, 01:20

30 286 0
Cellular Networks Positioning Performance Analysis Reliability Part 3 ppt

Cellular Networks Positioning Performance Analysis Reliability Part 3 ppt

... 50 Cellular Networks - Positioning, Performance Analysis, Reliability Roy S., et al (2004) Ultrawideband radio design: the promise of high-speed, ... beamforming IEEE Signal Processing Letters, Vol.10, June 2003 Swindlehurst, A Kailath, T (1992).A performance analysis of subspace-based methods in the presence of model Errors-Part 1: the MUSIC algorithm ... reference power, obtained either by field measurements at r0 52 Cellular Networks - Positioning, Performance Analysis, Reliability or using the free space equation P (r0 ) = λ2 (4π )2 r0 Pt Gt Gr (2)...

Ngày tải lên: 20/06/2014, 01:20

30 298 0
Cellular Networks Positioning Performance Analysis Reliability Part 4 pdf

Cellular Networks Positioning Performance Analysis Reliability Part 4 pdf

... concurrence manager 92 Cellular Networks - Positioning, Performance Analysis, Reliability Fig 10 Performance of the cache module Fig 11 Performance of the concurrence module is involved The rate ... and its performance consists in retrying the MILCO procedure as long as it is expected to conclude before reaching the QoS-imposed deadline 84 Cellular Networks - Positioning, Performance Analysis, ... Networks - Positioning, Performance Analysis, Reliability the remaining ones according to the resources that are expected they use MILCO accounts for other factors that constrain the performance location...

Ngày tải lên: 20/06/2014, 01:20

30 271 0
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