LEADER 05543nam 22007093u 450 001 9910830779803321 005 20210107034428.0 010 $a1-280-27581-2 010 $a9786610275816 010 $a0-471-72094-1 010 $a0-470-32442-2 010 $a0-471-72093-3 035 $a(CKB)2560000000089545 035 $a(EBL)231700 035 $a(SSID)ssj0000160007 035 $a(PQKBManifestationID)11161263 035 $a(PQKBTitleCode)TC0000160007 035 $a(PQKBWorkID)10181389 035 $a(PQKB)11678177 035 $a(MiAaPQ)EBC231700 035 $a(OCoLC)85820473 035 $a(EXLCZ)992560000000089545 100 $a20131014d2005|||| u|| | 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aFundamentals of Telecommunications$b[electronic resource] 205 $a2nd ed. 210 $aHoboken $cWiley$d2005 215 $a1 online resource (704 p.) 225 1 $aWiley Series in Telecommunications and Signal Processing ;$vv.92 300 $aDescription based upon print version of record. 311 $a0-471-71045-8 327 $aFundamentals of Telecommunications; CONTENTS; Preface; Chapter 1 Introductory Concepts; 1.1 What Is Telecommunication?; 1.2 Telecommunication Will Touch Everybody; 1.3 Introductory Topics in Telecommunications; 1.3.1 End-Users, Nodes, and Connectivities; 1.3.2 Telephone Numbering and Routing; 1.3.3 The Use of Tandem Switches in a Local Area Connectivity; 1.3.4 Introduction to the Busy Hour and Grade of Service; 1.3.5 Simplex, Half-Duplex, and Full Duplex; 1.3.6 One-Way and Two-Way Circuits; 1.3.7 Network Topologies; 1.3.8 Variations in Traffic Flow; 1.4 Quality of Service 327 $a1.5 Standardization in Telecommunications1.6 The Organization of the PSTN in the United States; 1.6.1 Points of Presence; Review Exercises; References; Chapter 2 Signals Convey Intelligence; 2.1 Chapter Objective; 2.2 Signals in Everyday Life; 2.3 Basic Concepts of Electricity for Communications; 2.3.1 Early Sources of Electrical Current; 2.3.2 The Electrical Telegraph: An Early Form of Long-Distance Communications; 2.3.3 What Is Frequency?; 2.4 Electrical Signals; 2.4.1 Introduction to Transmission; 2.4.2 Modulation; 2.4.3 Binary Digital Signals 327 $a2.5 Introduction to Transporting Electrical Signals2.5.1 Wire Pair; 2.5.2 Coaxial Cable Transmission; 2.5.3 Fiber-Optic Cable; 2.5.4 Radio Transmission; Review Exercises; References; Chapter 3 Quality of Service and Telecommunication Impairments; 3.1 Objective; 3.2 Quality of Service: Voice, Data, and Image; 3.2.1 Signal-to-Noise Ratio; 3.2.2 Voice Transmission; 3.2.3 Data Circuits; 3.2.4 Video (Television); 3.3 The Three Basic Impairments and How They Affect the End-User; 3.3.1 Amplitude Distortion; 3.3.2 Phase Distortion; 3.3.3 Noise; 3.4 Level; 3.4.1 Typical Levels; 3.5 Echo and Singing 327 $aReview ExercisesReferences; Chapter 4 Transmission and Switching: Cornerstones of a Network; 4.1 Transmission and Switching Defined; 4.2 Traffic Intensity Defines the Size of Switches and the Capacity of Transmission Links; 4.2.1 Traffic Studies; 4.2.2 Discussion of the Erlang and Poisson Traffic Formulas; 4.2.3 Waiting Systems (Queueing); 4.2.4 Dimensioning and Efficiency; 4.2.5 Quantifying Data Traffic; 4.3 Introduction to Switching; 4.3.1 Basic Switching Requirements; 4.3.2 Concentration and Expansion; 4.3.3 The Essential Functions of a Local Switch; 4.3.4 Introductory Switching Concepts 327 $a4.3.5 Early Automatic Switching Systems4.3.6 Common Control (Hard-Wired); 4.3.7 Stored Program Control; 4.3.8 Concentrators and Remote Switching; 4.4 Essential Concepts in Transmission; 4.4.1 Introduction; 4.4.2 Two-Wire and Four-Wire Transmission; 4.5 Introduction to Multiplexing; 4.5.1 Definition; 4.5.2 Frequency Division Multiplex; 4.5.3 Pilot Tones; 4.5.4 Comments on the Employment and Disadvantages of FDM Systems; Review Exercises; References; Chapter 5 Transmission Aspects of Voice Telephony; 5.1 Chapter Objective; 5.2 Definition of the Voice Channel; 5.2.1 The Human Voice 327 $a5.3 Operation of the Telephone Subset 330 $aThe Second Edition of this critically-acclaimed text continues the standard of excellence set in the first edition by providing a thorough introduction to the fundamentals of telecommunication networks without bogging you down in complex technical jargon or math. Although focusing on the basics, the book has been thoroughly updated with the latest advances in the field, including a new chapter on metropolitan area networks (MANs) and new sections on Mobile Fi, ZigBee and ultrawideband. You'll learn which choices are now available to an organization, how to evaluate them and how to devel 410 0$aWiley Series in Telecommunications and Signal Processing 606 $aTelecommunication 606 $aTelecommunication 606 $aElectrical & Computer Engineering$2HILCC 606 $aEngineering & Applied Sciences$2HILCC 606 $aTelecommunications$2HILCC 615 4$aTelecommunication. 615 4$aTelecommunication. 615 7$aElectrical & Computer Engineering 615 7$aEngineering & Applied Sciences 615 7$aTelecommunications 676 $a621.382 700 $aFreeman$b Roger L$0464237 801 0$bAU-PeEL 801 1$bAU-PeEL 801 2$bAU-PeEL 906 $aBOOK 912 $a9910830779803321 996 $aFundamentals of telecommunications$92020975 997 $aUNINA