can we live without it?

122 Pages·2011·11.53 MB·English

SYARAHAN PERDANA 2011

WIRELESS TECHNOLOGY:
CAN WE LIVE WITHOUT IT?

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SYARAHAN PERDANA 2011

WIRELESS TECHNOLOGY:
CAN WE LIVE WITHOUT IT?

AYOB JOHARI

2011

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PENGENALAN

Majlis Syarahan Perdana adalah satu sesi pemidato yang disampaikan oleh seseorang
profesor untuk berkongsi ilmu, pengalaman dan dapatan yang beliau perolehi
sepanjang kerjaya akademik beliau. Sesi ini memperlihatkan kesarjanaan seseorang
Profesor dalam menyampaikan syarahan dalam kepakaran beliau. Di antara objektif
penting Syarahan Perdana adalah untuk:
i. Memperlihatkan kesarjanaan seseorang profesor
ii. Memberi ruang kepada professor untuk berkongsi ilmu
iii. Memberi motivasi kepada staf akademik muda (junior)

© Penerbit UTHM
First Edition 2011

All Rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, electronic, mechanical photocopying, recording or otherwise, without the prior permission
in writing of the Publisher, nor be otherwise circulated in any form of binding or cover other than that
in which it published and without a similar condition being imposed on the subsequent purchaser.

Perpustakaan Negara Malaysia Cataloguing—in—Publication Data

Ayob Johari
Wireless technology : can we live without it? Ayob Johari.
(Syarahan perdana 2011)
ISBN 978-967-5457-53-1
Wireless communication systems—Malaysia. 2. Communication
And technology—Malaysia. 3. Speeches, addresses, etc.
I. Title. II. Series.
621.38209595

Terbitan :

Pejabat Penerbit
Universiti Tun Hussein Onn Malaysia
86400 Parit Raja, Batu Pahat
Johor Darul Ta’zim
Tel : [phone] / 7452
Faks : 07-453 6145
Laman Web : penerbit.uthm.edu.my
E-mel :
ACKNOWLEDGEMENT
I would like to express my sincere appreciation and thank to the top management of the
university for giving me this opportunity in sharing knowledge of wireless technology
to all especially to members of staff of non-engineering background. My special
thanks also go to friends for their input and comments, sons for assisting in getting the
right materials and to my wife Hajah Wakiyah Mohd. Yatim and family for their
patience, encouragement and support. May Allah bless all of us. Insya-Allah.

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TABLE OF CONTENT
Preface xi

CHAPTER 1 Introduction

1.1 Communication System 1
1.2 Terminology 1
1.3 Type of Electronic Communication 4
1.4 Type of Signal 5
1.5 Frequency 7
1.6 Wavelength 13
1.7 The relationship between frequency and distance of 13
communication

CHAPTER 2 Wireless System

2.1 Wireless Technology 15
2.2 Early wireless work 15
2.3 Definition of wireless communication 16
2.4 Modulation 17
2.5 Why modulation? Can we just transmit the information signal 17
right away?
2.6 Bandwidth 17
2.7 Analog Modulation 18
2.8 Digital Modulation 22

CHAPTER 3 Wireless System

3.1 Radio Communication 29
3.2 Transmitter 29
3.3 AM receiver 32
3.4 FM Receiver 33
3.5 Frequency Bands 34
3.6 FM Channel in Malaysia 35

CHAPTER 4 Wireless Application

4.1 Introduction 39
4.2 Wireless Devices 39
4.3 Radar System 47
4.4 RFID 48
4.5 Barcode 50
4.6 Bluetooth 52
4.7 Broadband 54
4.8 Wi-Fi 55
4.9 Wi-MAX 56

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CHAPTER 5 Satellite Communication
5.1 Introduction 57
5.2 Fundamental of Satellite Communication 57
5.3 Ionosphere Effect on Microwave 59
5.4 Types of Satellite System 60
5.5 Mobile Satellite System 61
5.6 Malaysian Communication and Satellite System. 66
5.7 Satellite Application 68
5.8 Global Positioning System 71
5.9 Direct to Home - ASTRO 74
5.10 Satellite Network: Applications and services 76

CHAPTER 6 Wireless Communication in Malaysia
6.1 Mobile phone development 79
6.2 The current and future trends in wireless communication 80
6.3 Regulatory report on wireless landscape in Malaysia 81
6.4 Consumer behaviour and trends 85
6.5 The Fourth Generation (4G) 85
6.6 Malaysia’s WiMAX 4G Progress 87

CHAPTER 7 Evolution of Wireless Application and services
7.1 Device evolution of Mobile Data 89
7.2 Benefit from Evolution of Wireless Technology, Services and 89
Devices
7.3 Wireless Technology: What was it in 2010? 90
7.4 Wireless Technology Trends in 2011 91
7.5 Electronic gadgets: Prediction in 2011 93
7.6 The Future for the next 20 years 94
7.7 New free software for international phone calls 98
7.8 Related research and project in the Faculty of Electrical and 99
Electronic Engineering

CHAPTER 8 Wireless Technology Impact on Social
8.1 Introduction 103
8.2 Wireless technology on our lives 103
8.3 Impact of wireless technology on society 104
8.4 Conclusion 107

Reference 109
Curriculum Vitae 111

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PREFACE

This book provides useful information and knowledge of wireless technology starting
from the fundamental of communication, application, and satellite communication,
evolution of wireless and impact of wireless technology on social.

Wireless technology is very synonym to all of us in modern living. This book is written
in a simple manner for readers from all walks of life to understand. It is written in such
a manner especially for readers of non-engineering education background. Wireless
technology is indeed very broad and wide; covers almost every spectrum in electronic
communication. It is with intention that the wireless technology should be transcended
and grasped by all so that it is fully understood and appreciated.

This book consists of eight chapters. Chapter One is on Introduction of Communication
System in which it describes the basic of communication, terminology in
communication, noise and attenuation, types of communication, signal, frequency,
frequency spectrum, band allocation, frequency assignment and wavelength.

Chapter Two is on Basic of Wireless Communication. It describes about wireless
technology, definition of wireless communication, modulation, the importance of
modulation, bandwidth, amplitude modulation, frequency modulation, phase
modulation, and types of digital modulation. The differences between analog and digital
signals AM and FM are clearly explained.

Chapter Three touches on wireless system in which it describes radio communication as
the most basic of wireless system. It also describes transmitter, AM and FM
transmitters, AM and FM receivers, frequency band and FM channels in Malaysia. This
chapter gives insight knowledge on the fundamental of wireless system.

Readers will be given basic knowledge and understanding on wireless application in
Chapter Four. This chapter describes on types of wireless device, RF and infrared
devices, basic on cellular phone, RF and infrared remote control devices, ham radio,
wireless using microwave, radar system, RFID, barcode, Bluetooth, wi-fi, broadband
network and Wi-MAX.

Introduction to satellite communication is available in Chapter 5. This chapter
describes on the types of satellite, ionosphere, satellite system, GPS and types of
application using satellite system.

The rest of the chapters 6, 7 and 8 describe on the development of wireless in Malaysia,
the evolution of wireless communication, prediction of electronic gadget for 2011,
related research work titles carried out in the faculty, and impact of wireless technology
on social in general.

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