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CHAPTER 8
Wireless, Mobile Computing and
Mobile Commerce
CHAPTER OUTLINE
8.1 Wireless Technologies
8.2 Wireless Computer Networks and Internet
Access
8.3 Mobile Computing and Mobile Commerce
8.4 Pervasive Computing
8.5 Wireless Security
LEARNING OBJECTIVES
1. Describe the four main types of wireless
transmission media, and identify at least one advantage
and one disadvantage of each type.
2. Discuss the basic purposes of short-range, mediumrange, and long-range networks, and explain how
businesses can use at least one technology employed
by each type of network.
LEARNING OBJECTIVES
3. Discuss the five major m-commerce applications,
and provide a specific example of how each application
can benefit a business.
4. Define pervasive computing, describe two
technologies that underlie this technology, and provide
at least one example of how a business can utilize each
one.
5. Identify the four major threats to wireless networks,
and explain, with examples, how each one can damage
a business.
8.1 Wireless Technologies
Capabilities of Wireless Devices
Cellular telephony
Bluetooth
service
Wi-Fi
Digital camera
Global positioning system
Organizer
Scheduler
Address book
Calculator
E-mail access
Short message
Instant messaging
Text messaging
MP2 music player
Video player
Internet access
QWERTY keyboard
Wireless Transmission Media
Microwave Transmission
Satellite transmission
Geostationary Orbit (GEO)
Middle Earth Orbit (MEO)
Low Earth Orbit (LEO)
Global Positioning System (GPS)
Internet Over Satellite (IOS)
GPS Systems
•Smart phone and GPS system
•In-dash GPS system
•Russian GLONASS
•European Union GPS
•China Beidou GPS
Wireless Transmission Media
(continued)
Radio
Satellite Radio
InfraRed
8.2 Wireless Computer Networks
and
Internet Access
Wireless Networks
Short range wireless networks
Medium range wireless networks
Wide area wireless networks
Short Range Wireless Networks
• Bluetooth
• Ultra-wideband
• Near-field Communications
Medium Range Wireless Networks
Wireless fidelity (Wi-Fi)
Wireless access point
Hotspot
Wireless network interface card
Wide-Area Wireless Networks
Cellular Radio
1st Generation
2nd Generation
2.5 Generation
3rd Generation (3G)
4th Generation (4G)
Wireless Broadband or WiMax
8.3 Mobile Computing and
Mobile Commerce
Mobile Computing
– Mobility
– Broad reach
Mobile Computing
Five value-added attributes of mobile
computing:
Ubiquity
Convenience
Instant connectivity
Personalization
Localization of products and services
Mobile Commerce
The development of m-commerce is driven by
the following factors:
Widespread availability of mobile devices
No need for a PC
The “Cell phone culture”
Declining prices
Bandwidth improvement
Mobile Commerce Applications
•Location-Based Applications and Services
•Financial Services
•Intrabusiness Applications
•Accessing Information
•Telemetry Applications
Location-Based Applications
Shopping from Wireless Devices
Location-based Advertising
Location-based Services
Mobile Commerce Applications
Financial Services
– Wireless Electronic Payment System
– Mobile Banking
– Wireless Bill Payments
– Mobile Wallet
– Micropayments
Mobile Commerce Applications
Intra-business Applications
Mobile Portal
Voice Portal
Telemetry
8.4 Pervasive Computing
Pervasive Computing
• Radio frequency identification (RFID)
• Wireless sensor networks (WSNs)
Closing Case
• The Problem
• The Solution
• The Results