Contents

1. Introduction to Electronic Communication

1.1 Importance of communication

1.2Elements of communication systems

1.3Electromagnetic spectrum

1.4 Types of communication

1.5Concepts of communication system

2.Modulation and Demodulation

2.1Introduction

2.2 Introduction to modulation techniques

2.3 Analog modulation

2.4 Pulse modulation

2.5 Amplitude shift keying (ASK)

2.6 Frequency shift keying (FSK)

2.7 Phase–shift keying (PSK)

2.8 Minimum shift keying (MSK)

2.9 Gaussian minimum shift keying (GMSK)

2.10 16 QAM (Quadrature Amplitude Modulation)

3. Multiplexing and Multiple Access Techniques

3.1 Introduction

3.2Why multiplexing?

3.3Multiplexing and multiple access

3.4Multiple access techniques for wireless communications

4. Introduction to Wireless Communication

4.1Introduction

4.2 Definition of antenna

4.3Principle of radiation

4.4 Parameters of antenna

4.5 Types of antenna

4.6 Multi-element antennas (ARRAY)

4.7Multidirectional antennas

4.8 Omnidirectional antennas

4.9 Microstrip patch antenna

4.10 Age of wireless communication

4.11 Comparision of wired and wireless technologies

4.12 Wireless communication architecture

4.13 Ad hoc networks

4.14 RFID technology

5. Mobile Communication

5.1 Introduction

5.2 Conventional mobile system

5.3 Cellular system

5.4 GSM (Global System for Mobile)

5.5 Introduction to GPRS (General Packet Radio Service)

5.6Introduction to bluetooth

5.7Applications: SMS, EMS and MMS