Performance analysis of computer networks

... Performance Analysis of Computer Networks Matthew N.O Sadiku • Sarhan M Musa Performance Analysis of Computer Networks Matthew N.O Sadiku Roy G Perry College of Engineering Prairie ... communication networks mediate every aspect of life Communication networks are becoming commonplace and are helping to change the face of M.N.O Sadiku and S.M Musa, Performance Analysis of Computer Networks, ... performance analysis of computer networks play an important role in the design of computer communication networks Models are tools for designers to study a system before it is actually implemented Performance...

Báo cáo hóa học: " Performance analysis of spectrum sharing mechanisms in cognitive radio networks" pptx

... delay and mean waiting time are also in our considerations For evaluating the spectrum- sharing mechanisms in the CRN, metrics that we consider include force-termination probability of SU PFT-su, mean ... channels by sensing Different from traditional sensing-based CRNs, QoS guarantee for SUs has to be considered in spectrum- sharing mechanism design In Conclusion In the joint leasing and sensing-based ... in Proceedings of IEEE International Conference on Communications (ICC) 2010, Ottawa, Canada, 1–5 (May 2010) P Zhu, J Li, X Wang, Scheduling model for cognitive radio, in Proceedings of 3rd International...

Báo cáo hóa học: " Research Article Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels" potx

... fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems The results show that the effects of fading, number of dispersed bands, ... [25] Conclusion In this paper, the performance analysis of dispersed spectrum cognitive radio systems is conducted considering the effects of fading, number of dispersed bands, modulation, and coding ... of m = for Nakagami-m fading channels, which represents Rayleigh fading channels The effects of 3D node distribution on the effective transport capacity of ad hoc dispersed spectrum cognitive radio...

Stochastic optimal control and performance analysis of wireless ad hoc networks

... Decision Process Single-Agent: basic MDP, SMDP, HSMDP Mobile Ad Hoc Network Multi-Agent: DEC-POMDP How to Achieve Stability? How to Control & Optimize? How to Derive Bounds? Model-Based: DP Irreducibility, ... V-Uniform Ergodicity, Drift Conditions Model-Free: NDP/RL, Policy Gradient Main Contribution: Achieve Stability, Bounds, Optimal Control & Optimization simultaneously ệ ẵẵ è ì ì ẵẵ ểềỉệ Use Stability ... Geometric Drift Conditions Other Contributions: Decentralized Model-free Algorithm, Handle Partial Observability & Locality of Interaction ỉ ểềì ề ỉ ểềá ỉ ểềỉệểéé ểẹ ỉệ èể ỉ ệìỉ ìỉ é ỉí ề ề ề ỉ ệ ỉ...

Performance analysis of TCP and TCP friendly rate control flows in wired and wireless networks

... of TCP and TCP- friendly rate control flows for wired and wireless networks that have been referred in this thesis 2.1.1 Congestion Control in TCP The general congestion control framework of TCP ... evaluate the performance of ECN and BECN enabled TCP flows and TCP- friendly rate control flows for congestion control that gives optimal performance over wired and wireless networks In particular, ... property of being unicast TCPfriendly [70] The major advantage of TCP friendliness is that it ensures that coexisting TCP flows are given a “fair share” of bandwidth by non -TCP flows (such as UDP flows) ,...

Performance analysis of wind turbine systems under different parameters effect

... Modeling of wind turbine The turbine is a wind energy conversion system It consists of an induction generator and other electrical control power requirements The wind turbine is effected by many parameters ... losses in wind turbine, ρ = air density in kg/m3, A = swept area in m2, Cp =power coefficient of wind turbine, V = wind speed in m/s Mechanical power of wind turbine is directly related to the wind ... 3550W at wind speed of 12m/s which is rated speed Table shows the standard classification system for wind turbines and effect of diameter of power rating of wind generating [8] The diameter of swept...

Performance Analysis of Network-MIMO Systems

... 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 techniques ... signal are often presented by “black boxes” 2.2.1 MIMO systems Model We consider a MIMO systems with a transmit array of MT antennas and a receive array of MR antennas The block diagram of such ... reasons for this performance gap include the presence of co-channel interference (CCI), diminishing the effect of MIMO communications, and the limited number of degrees of freedom offered for inter-cell...

Tài liệu The OSI Model: Understanding the Seven Layers of Computer Networks ppt

... The OSI Model: Understanding the Seven Layers of Computer Networks Paul Simoneau, Global Knowledge Course Director, Network+, CCNA, CTP Introduction The Open Systems Interconnection (OSI) ... with an understanding of each of the seven layers, including their functions and their relationships to each other This will provide you with an overview of the network process, which can then act ... framework for understanding the details of computer networking Since the discussion of networking often includes talk of “extra layers , this paper will address these unofficial layers as well...

Báo cáo khoa học: Antibody-based proteomics Analysis of signaling networks using reverse protein arrays pdf

... Analysis of signaling networks using protein arrays H Voshol et al a contextual understanding of the molecular mechanisms of disease, but also has the potential to facilitate the validation of ... possible Arguably, signaling pathways are currently the best practical translation of ‘physiology’ because Analysis of signaling networks using protein arrays they allow a sufﬁcient level of granularity ... 6877 Analysis of signaling networks using protein arrays H Voshol et al sues within a group of eight different C57 ⁄ Bl6 mice A second step would involve the measurement of the activity levels of...

16 - visualization and analysis of email networks

... Figure 16) C ONCLUSIONS This paper presents various methods for visualization and analysis of small-world email networks and email virus networks We now plan to conduct a formal evaluation of each ... McFarland and S Bender-deMoll Dynamic network visualization American Journal of Sociology, 110(4):1206–41, January 2005 [26] M E J Newman, S Forrest, and J Balthrop Email networks and the spread of ... layer and wall; Assign x-, y-, and z-coordinates to all nodes (b) The management groups Figure 2: Spherical drawing of the NICTA email network D ISPLAYING C ENTRALITY A NALYSIS OF AN E- MAIL...

Báo cáo hóa học: " Performance analysis of distributed ZF beamforming in the presence of CFO" pptx

... proposes the study of the effects of residual CFO on the ZF distributed beamforming scheme, where Figure The continuous curves are the simulated results and the dashed lines are obtained from the ... frequency Because of the CFO, the time coherency of the channel reduces, and the originally quasi-static channel now becomes time varying hence decreasing the performance of the beamforming scheme with ... knowledge of the channels from its own antennas to choose the beamforming vector that maximizes the energy while placing the nulls in the direction of the non-targeted user The computation of the beamforming...

Báo cáo hóa học: " Performance analysis of massively parallel embedded hardware architectures for retinal image processing" pot

... Cite this article as: Nieto et al.: Performance analysis of massively parallel embedded hardware architectures for retinal image processing EURASIP Journal on Image and Video Processing 2011 2011:10 ... high-level language and tools for rapid profiling make the development much faster than in other platforms This is one of the purposes of the platform, to offer a high -performance device keeping prototyping ... and Dudek [19] 2.3 Performance remarks The inherent parallelism of the retinal vessel tree algorithm makes its hardware implementation simple with high performance Finally, the image can be split...

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