fundamentals of wireless communication david tse ppt

... EE 290S: Fundamentals of Wireless Communication Course Notes U.C. Berkeley Fall 2002 Instructor: David Tse Co-written with: Pramod Viswanath September 18, 2002 Chapter 3 Point-to-Point Communication: ... 1000 (30 dB). Stupendous amounts of power would be required for more reliable communication. Before we explore further the root cause of the poor performance of this detector, we note that there ... diversity is achieved by averaging over the fading of the channel over time. Typically, the channel coherence time is of the order of 10’s to 100’s of symbols and therefore the channel is highly

Ngày tải lên: 20/10/2013, 07:15

... Inordertoextendtheone-dimensionalresultsembodiedinEq.(10.2.9)to thethree-dimensionalcaseofpracticalinterest,weusethelawofjointprob- ability.Accordingtothislaw,theprobabilityofanumberofeventshappening simultaneouslyistheproductoftheprobabilitiesofeachoftheeventsoccurring ... number of ways in which one can take n þ forward steps and n À backward steps out of n steps divided by the total number of ways of taking n steps. The numerator, then, is the same as the number of ... is the ratio of the number of possible ways in which that event can occur to the total number of events. As a consequence, the probability, p(m), of obtaining an end-to-end distance of ml x is

Ngày tải lên: 10/08/2014, 19:20

... pressurization of melt in the screw bushings A consequence of this is a decoupling of the different parts of the extruder, and what happens in one portion of. .. immense amount of plastic, ... characterizethescrewgeometry[3].ThenotationusedisthatofTadmorand Klein[3].TheinsidediameterofthebarrelisD b ,whereasthescrewdiameteris D;bothofthesequantitiescanrangefrom1to12in.Atypicalvalueoftheratio ofthescrewlengthtoitsdiameteris24.ThechanneldepthisH,anditisclear ... manufacture of high-value-added sophisticated items such as compact disks or optical lenses, on the other hand, requires a great deal of engineering and an intimate knowledge of the fundamentals of polymer

Ngày tải lên: 10/08/2014, 19:20

... site of the previous injury. (a) (b) A (a) A (b) Figure 17.5 Redistribution of the soft tissues as part of a medial canthoplasty for inferior displacement of the medial canthus. The apex ‘A’ of ... nose (Figure 17.3).The point of entry is critical to the functional success of the tube and should be at the level of the undisplaced lower eyelid margin, at the site of carunculectomy. An alternative ... the end of a thumb-nail should be used to drive the tube into the tissues, as instruments tend to shatter the glass flange of the tube. The neck of the tube is encircled with three turns of a 6/0

Ngày tải lên: 11/08/2014, 13:20

... CO-EXISTENCE OF WIRELESS COMMUNICATION SYSTEMS IN ISM BANDS: AN ANALYTICAL STUDY WANG FENG (B.Eng) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN ELECTRICAL ENGINEERING DEPARTMENT OF ELECTRICAL ... Haartsen, “Radio network performance of Bluetooth”, Proc. of IEEE Int. Conf. on Communications, vol. 3, pp. 15631567, Jun. 2000. [2] S. Souissi, E.F. Meihofer, “Performance evaluation of a ... the performance of. .. the presence of one Bluetooth piconet Figure 4.1 Path loss of Bluetooth in the wireless indoor channel Figure 4.2 Path loss of 802.11b in the wireless indoor

Ngày tải lên: 12/09/2015, 10:21

... simulation of wireless communication networks of VNU-IS Group sciences: Trần Hoàng Anh Nguyễn Văn Sơn Nguyễn Văn Dũng Lê Tự Quốc Thắng Class: MIS2015A Sciences Advisors: Associate Prof Lê Trung ... highways, it is subject to regulation and requires the services of a licensed operator Wireless communication has the advantage of mobility and obviates the need for cabling, but the radio frequency ... regulated Nevertheless, the allocation of unlicensed parts of the spectrum has facilitated the growth in wireless local area networks (WLANs) The European Telecommunications Standards Institute(ETSI)

Ngày tải lên: 17/03/2021, 17:23

... Hanoi University of Science and Technology MASTER THESIS STUDY OF WIRELESS COMMUNICATION TECHNOLOGY FOR INTERNET OF THINGS APPLICATIONS SARA NHACUONGUE LAICE Major: Telecommunication Engineering ... Institute: School of Electronics and Telecommunications, Hanoi University of Science and Technology HANOI, December 2020 CERTIFICATION OF THESIS CORRECTION Full name of author of thesis: Sara Da ... study of Smart Home, a perspective specific to IoT-based systems, and the design and production of a prototype of a controlled lighting device connected to the Internet, a proof of concept of a

Ngày tải lên: 10/12/2021, 19:32

... theytogave his scrutiny to someofofthe thehouse, officersasafter though the Armistice,’ my presence he marred continued the ‘We sacredness could gooftothe any vigil of the So universities I walked ... years of effort since Shannon’s seminal work, it is now safe to say that this goal has been accomplished for some of the most common channel models The proofs of the fundamental theorems of information ... out to design a communication system, both in terms of setting design goals and in terms of gaining intuition on design parameters (e.g., size of constellation to use) The goal of this chapter,

Ngày tải lên: 31/01/2024, 20:26

... Performance of noncoherent communication Proper complex Gaussianity Performance of binary noncoherent communication Performance of M-ary noncoherent orthogonal signaling Performance of DPSK Block ... theytogave his scrutiny to someofofthe thehouse, officersasafter though the Armistice,’ my presence he marred continued the ‘We sacredness could gooftothe any vigil of the So universities I walked ... theytogave his scrutiny to someofofthe thehouse, officersasafter though the Armistice,’ my presence he marred continued the ‘We sacredness could gooftothe any vigil of the So universities I walked

Ngày tải lên: 31/01/2024, 20:26

... BẢN VỀ THÔNG TIN VÔ TUYẾN VỀ THÔNG TIN VÔ TUYẾN CONCEPTs CONCEPTs OF WIRELESS COMMUNICATION SYSTEM OF WIRELESS COMMUNICATION SYSTEM 2 2 NỘI DUNG NỘI DUNG Khái niệm và nguyên lý cơ ... CALL PROCESSING Cell B  Các dạng Hand-off cơ bản 22 Scope of Hand-off: Intra-BS, Intra-MSC Handoff Inter-BS, Intra-MSC Handoff Inter-BS, Inter-MSC Handoff  Khái niệm lưu lượng... tính ... Intersystem Hand Off  Tiến trình xử lý Hand-off Pilot Strength (Ec/Io) Cell A Cell B Add point Drop point Cell A BTS-A Moving Direction of MS 21 BTS-B Handoff Region HAND-OFF CALL PROCESSING

Ngày tải lên: 01/08/2015, 20:29

... in the memory of a computer. Each variable has a type that indicates the kind of value that will be stored in that variable. You can use any of the types shown earlier in Table 2.3 of Chapter 2, ... Fundamentals of Transact-SQL In this section, you'll learn some of the essential programming constructs available in T- SQL. ... character (@) before the start of the variable name. The following syntax illustrates the use of the DECLARE statement: DECLARE @name type Where name is the name of your variable, and type is

Ngày tải lên: 14/12/2013, 13:15

... applications of common engineering materials. • Types and uses of ferrous metals such as cast iron, wrought iron and steel. • Types and uses of some common non-ferrous metals. • Types and uses of some ... Mechanical properties of some common engineering materials... composition of 88% Cu, 10% Sn and 2% Zn Brass is a Cu-Zn alloy with the typical composition of red brass of 85% Cu , 15% Zn ... to be the ability of the material to absorb energy in the plastic zone The measure of toughness is the amount of energy absorbed after being stressed upto the point of fracture (i) Creep-

Ngày tải lên: 17/12/2013, 11:15

... • Different types of pin joints. • Different types of keys and their applications. 4.1.1 Introduction: Types of fasteners A machine or a structure is made of a large number of parts and they ... Kharagpur Lesson 1 Types of fasteners: Pins and keys Version 2 ME, IIT Kharagpur Instructional Objectives At the end of this lesson, the students should have the knowledge of • Fasteners and their ... are expensive but offer excellent service. They may be used as a single or double key. When they are used as a single key the positioning depends on the direction of rotation of the shaft. For

Ngày tải lên: 25/12/2013, 23:18

... cavity - the external surfaces of the cast part –A core, placed inside the mold cavity to define the interior geometry of part. In sand casting, cores are made of sand. • Gating System - Channel ... == Q V MFT = 1 2 15 Fluidity • Fluidity: A measure of the capability of a metal to flow into and fill the mold before freezing. ( Inverse of viscosity) • Factors affecting fluidity - Pouring ... as solidification progresses • Rate of freezing depends on heat transfer into mold, as well as thermal properties of the metal Randomly oriented grains of small size near the mold wall, and

Ngày tải lên: 16/01/2014, 11:37

... distinguished roster of consult- ing editors on the advisory board, each an expert in one of the areas of concentration. The names of the consulting editors are listed on the facing page of this volume. ... computation of all forward-kinematics solutions of a general Stewart-Gough platform. Dietmaier reported an algorithm in that work- shop that is capable of generating a set of geometric parameters of the TLFeBOOK [...]... ... in Engineering Department of Mechanical Engineering The University of Texas at Austin Austin, TX 78712-1063, USA and William Howard Hart Professor Emeritus Department of Mechanical Engineering, Aeronautical

Ngày tải lên: 19/01/2014, 18:20

... Tradeoff 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath Fundamentals of Wireless Communication David Tse 23 2: The Wireless Channel Fundamentals of Wireless ... evaluation. 25 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath 2. The Wireless Channel ... delays of 1/W . 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath 1. Introduction 10 2: The Wireless Channel Fundamentals of Wireless Communication, Tse& amp;Viswanath Wireless...

Ngày tải lên: 11/07/2014, 21:20

... Hz. ã Primary driver behind wireless communication system design. Fundamentals of Wireless Communication David Tse Dept of EECS U.C. Berkeley Main story ã Communication over a flat fading ... distance of the order of the carrier wavelength. This is 0.3 m for Ghz cellular. ã For vehicular speeds, this translates to channel variation of the order of 100 Hz. ã Primary driver behind wireless ... fading ã Wireless communication typically happens at very high carrier frequency. (eg. f c = 900 MHz or 1.9 GHz for cellular) ã Multipath fading due to constructive and destructive interference of...

Ngày tải lên: 11/07/2014, 21:20

... 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...

Ngày tải lên: 15/03/2014, 15:20

... D. Bedford of ONR of the U.S. Navy; Drs. David M. Mann, Robert W. Shaw, Ralph A. 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 his numerical simulation results of RANS, LES, and DNS of a turbulent jet ... species i M/(tL 3 ) PREFACE xxiii of multiple chapters of these volumes includes Professor Forman A. Williams of the University of California-San Diego; Professor Stephen B. Pope, Cornell University;...

Ngày tải lên: 16/03/2014, 22:20