fundamentals of wireless communication david tse ppt

Fundamentals of Wireless Communication

... hugemongous.46 EE 290S: Fundamentals of Wireless Communication Course NotesU.C. Berkeley Fall 2002Instructor: David Tse Co-written with: Pramod ViswanathSeptember 18, 2002 fades of the channel (i.e. ... 1000 (30 dB). Stupendous amounts of power would be required formore reliable communication. Before we explore further the root cause of the poor performance of this detector,we note that there ... gain, there is a law of diminishing marginal return: as L increases, themarginal beneﬁt decreases because of the law of large numbers, eventually convergingto the performance of the AWGN channel....

Fundamentals of Wireless Communication doc

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... Tradeoff 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath Fundamentals of Wireless Communication David Tse 232: The Wireless Channel Fundamentals of Wireless ... evaluation. 252: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath2. The Wireless Channel ... delays of 1/W . 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath1. Introduction 102: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;ViswanathWireless...

Fundamentals of Wireless Communication potx

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... Hz.ãPrimary driver behind wireless communication system design. Fundamentals of Wireless Communication David Tse Dept of EECSU.C. Berkeley Main storyã Communication over a flat fading ... distance of the order of the carrier wavelength. This is 0.3 m for Ghz cellular. ãFor vehicular speeds, this translates to channel variation of the order of 100 Hz.ãPrimary driver behind wireless ... fadingã Wireless communication typically happens at very high carrier frequency. (eg. fc = 900 MHz or 1.9 GHz for cellular)ãMultipath fading due to constructive and destructive interference of...

fundamentals of wireless communication

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Identification of Research Needs Relating to Potential Biological or Adverse Health Effects of Wireless Communication pptx

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... president of the National Academy of Sciences.The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... development of models of several heights for men, women, and chil-dren of various ages for use in the characterization of SAR distributions for exposures characteristic of cell phones, wireless ... development of models of several heights for men, women, and children of various ages for use in the characterization of SAR distributions for exposures characteristic of cell phones, wireless...

FUNDAMENTALS OF TURBULENT AND MULTIPHASE COMBUSTION ppt

Danh mục: Kĩ thuật Viễn thông

... D.Bedford of ONR of the U.S. Navy; Drs. David M. Mann, Robert W. Shaw, RalphA. Anthenien, Jr. of ARO; Dr. Martin S. Miller of ARL; Mr. Carl Gotzmer of NSWC-Indian Head; Dr. Rich Bowen of NAVSEA of ... acknowledge the generosity of Professor Peyman Givi of the University of Pittsburgh for granting us full permission to use some of hisnumerical simulation results of RANS, LES, and DNS of a turbulent jet ... species i M/(tL3) PREFACE xxiii of multiple chapters of these volumes includes Professor Forman A. Williams of the University of California-San Diego; Professor Stephen B. Pope, CornellUniversity;...

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Fundamentals of Network Security Graphic Symbols pptx

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... CallManager is the software-based call-processing component of the Cisco IP telephony solution, part of Cisco AVVID (Architecture for Voice, Video and Integrated Data). The software extends enterprise ... Figure 1: Policy manager or director icon One of the greatest challenges of network security is management and monitoring of hundreds or thousands of VPNs, routers, firewalls, and intrusion detection ... Hubs are typically used for small office and home office environments. Cisco offers the 1538 Hub series. Other network vendors provide a larger selection of Hub models and port configurations....

Báo cáo hóa học: " Research Article Green Networking for Major Components of Information Communication Technology Systems" pptx

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... Kilowatt-hour of electricity is equivalent to 0.537 Kg of CO2[7].Therefore, increasing the efficiency of the power supply of the network switch from 80% to 90% will result in a saving of 3866 Kg of CO2emissions ... assessed in terms of energyefficiencies and their associated benefits in minimizing theenvironmental impact of ICT. Some of the goals of GreenNetworking include(i) reduction of energy consumption,(ii) ... consumption,(ii) improvement of energy efficiency,(iii) consideration of the environmental impact of net-work components from design to end of use,(iv) integration of network infrastructure and...

Fundamentals of Stochastic Filtering with Applications_4 pptx

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Project Gutenberg’s The Foundations of Geometry, by David Hilbert ppt

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... points of a segment and the system of real numbers. However, in what is to follow, no use will be made of the “axiom of completeness.” Project Gutenberg’s The Foundations of Geometry,by David ... 43 TheFoundations of GeometryBY DAVID HILBERT, PH. D.PROFESSOR OF MATHEMATICS, UNIVERSITY OF GăOTTINGENAUTHORIZED TRANSLATIONBYE. J. TOWNSEND, PH. D.UNIVERSITY OF ILLINOISREPRINT EDITIONTHE ... second part of the axiom of parallels, in its original form, follows as a consequence of theorem 8.The axiom of parallels is a plane axiom.Đ 6. GROUP IV. AXIOMS OF CONGRUENCE.The axioms of this...

Fundamentals of Electrical Drivess - Chapter 1 pptx

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... ncoilicoilmust be equal to the sum of the magnetic potentials uAand uB. The reluctances RAand RB of thecenter and side legs of the ‘E’ core require an estimation of the area of the fluxwhich crosses ... halfthat of the center leg if flux fringing is ignored.An example of the absolute flux density plot as function of the position alongan imaginary line (the length of which corresponds to the width of ... ring of width ‘h’ placed on the middle of the airgap at radius r + g/2. An observation of figure 1.17 learns that the flux crossing the airgap has a larger cross-sectional 10 FUNDAMENTALS OF ELECTRICAL...

Fundamentals of Electrical Drivess - Chapter 2 ppt

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... 40 FUNDAMENTALS OF ELECTRICAL DRIVESi Psiui(psi)datTo WorkspaceSine Wave100R1sClockFigure 2.15. Simulink model of non-linear inductance with sinusoidal excitation function of output ... function of the module is described as i (ψ),which expresses the current of the coil as a function of the coil ﬂux. Theterminal equation (2.8) remains unaffected by the introduction of saturation,only ... implementation of generic circuits (such as those discussed in this chap-ter) in Simulink allows us to study models for a range of conditions. The use of a sinusoidal excitation waveform is of most...

Fundamentals of Electrical Drivess - Chapter 5 ppt

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... observationof figure 5.15learns thatduringthe firstquarter (0→5ms) ofthecycle, energy from thebatterysource is supplied to the capacitor and inductance. During the second part of 142 FUNDAMENTALS OF ... Concept of Real and Reactive Power 123Figure 5.2. Phasor diagram of phasors i,uAn observation of figure 5.2 learns that we can also represent the voltagephasor in terms of the vector sum of the ... calculation of the real power of for example the R-L-uecircuit is definedby equation (5.30). Substitution of equation (5.42) leads to the phasor basedform namelyP = {u(i)∗} (5.43) Concept of...

Fundamentals of Electrical Drivess - Chapter 6 pptx

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... analysis is to be givenin the form of an m-ﬁle. An example of an m-ﬁle which shows this analysisis given at the end of this tutorial. The results in the form of the variables|i1|, |i2D|, ... load resistance of the delta connected load is set toRL= 20Ω. An ITF winding ratio of k =2is assumed.The simulation is to be run for a period of 0.4s, using a ‘step-size’ of 10−5sand ‘solver’ ... to the orientation of the primary windings of the transformer, ascan be explained by considering the two-phase model in a single phase form.If we ignore, for the purpose of this discussion,...

Fundamentals of Clinical Ophthalmology - part 3 ppt

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... tip.CavitationThis occurs just ahead of the tip of the phacoprobe and results in an area of high temperatureand high pressure, causing liquefaction of thenucleus. The process of cavitation is illustrated ... difficulties of forward pressure with those of a lack of redreflex. Logically, therefore, all of the abovementioned advice should be observed. A forcepstechnique is preferable because the cortex isoften ... there is thecutting effect of the tip and, second, theproduction of cavitation just ahead of the tip. Mechanical cuttingThis occurs beccause of the jackhammer effect of the vibrating tip and...

Fundamentals of Clinical Ophthalmology - part 5 ppt

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... charge of the molecularcomponents of a viscoelastic primarily affects thetype and extent of bonds between other moleculesand adjacent intraocular structures. Chain lengthdetermines the degree of ... Validation of laser Dopplerinterferometric measurements in vivo of axial eye lengthand thickness of fundus layers in chicks. Curr Eye Res1996;15:691–6.17 Fedorov SN, Kolinko AI. A method of calculating ... Thisprevents injection of air bubbles into the anteriorchamber during IOL delivery. The use of highviscosity agents has been implicated in the failure of injection devices and cracking of the injectioncannula...