Telecommunication System- I
Brief Course Curriculum

• Voice & Data Communications and Networking Overview
• Data Transmission
• Transmission Media
• Signal Encoding Techniques
• Digital Data Communication Techniques
• Data Link Control
• Multiplexing
• Spread Spectrum
• Circuit Switching
• Packet Switching

Reference Books
Data and Commuter Communication by William Stallings
Telecommunications and the computer by James Marin Voice and Data Communications Handbook Regis J. (Bud) Bates Donald W. Gregory Communications Systems and Networks Ray Horak

Detail

Unit 1
Voice & Data Communications and Networking Overview 9

PART TWO DATA COMMUNICATIONS 51

Unit 3
Data Transmission 55 3.1 Concepts and Terminology 57 3.2 Analog and Digital Data Transmission 68 3.3 Transmission Impairments 76 Noise & Distortion , Line failure ( JM 35,36,37 ) Attenuation and Repeaters JM 219 3.4 Channel Capacity 81 Decibels and Signal Strength 90

Test

Unit 4
Guided and Wireless Transmission 93 Transmission 4.1 Guided Transmission Media 95 2.2 TB 4.2 Wireless Transmission 107 2.3 TB @.4 Communication Satellites 2.5 PSTN, 2.6 Mobile 2.7 Cable (Page 85-175) OFC 321 JM 4.3 Wireless Propagation 115 4.4 Line-of-Sight Transmission 119

Unit 5
Signal Encoding Techniques 129 5.1 Digital Data, Digital Signals 131 5.2 Digital Data, Analog Signals 142 5.3 Analog Data, Digital Signals 152 5.4 Analog Data, Analog Signals 159

Unit 6
Digital Data Communication Techniques 171 6.1 Asynchronous and Synchronous Transmission 173 6.2 Types of Errors 176 6.3 Error Detection 177 6.4 Error Correction 185 6.5 Line Configurations 191 6.6 Interfacing 193

Unit 7
Data Link Control 207 7.1 Flow Control 209 7.2 Error Control 215 7.3 High-Level Data Link Control (HDLC) 221 7.4 Recommended Reading 228 7A Performance Issues 232

Unit 8
Multiplexing 241 8.1 Frequency Division Multiplexing 243 8.2 Synchronous Time Division Multiplexing 250 8.3 Statistical Time Division Multiplexing 260 8.4 Asymmetric Digital Subscriber Line 267 8.5 xDSL 270

Test

Unit 9
Spread Spectrum 275 9.1 The Concept of Spread Spectrum 276 9.2 Frequency-Hopping Spread Spectrum 277 9.3 Direct Sequence Spread Spectrum 282 9.4 Code-Division Multiple Access 287

PART THREE WIDE AREA NETWORKS 295 Switching

Unit 10
Circuit Switching and Packet Switching 297 10.1 Switching Networks 299 (Telephone Switching Network Routing Strategy 441 JM, Hierarchy of Switching Offices 442, International Switching 447 City Switching Offices 447 Remote Switching , Numbering Plan 450, Digital Transmission and Switching 451, Functional of switching Office 453, Multiple Stages of switching 456, Network configuration 456 Distributed switching Time Division Switching, Trunks 465-476 JM ) 10.2 Circuit-Switching Networks 300 10.3 Circuit-Switching Concepts 304 10.4 Control Signaling 307

Guest Lecture form industry BSNL visit Project – Give a presentation on the kind of switching systems BSNL, RIL and Touchtele are using 316 PBX Switching 31 JM