Wireless, Mobile Computing and Mobile

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8/14/2012
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,
medium-range, and long-range networks, and
explain how businesses can use at least one
technology employed by each type of network.
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LEARNING OBJECTIVES (continued)
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.
Chapter Opening Case: The Battle
for the Mobile Wallet
Source: Slavoljub Pantelic/ Shutterstock
8.1 Wireless Technologies
© ecco/Shutterstock
© Oleksiy Makymenko/Alamy
© Såndor Kelemen/iStockphoto
© PhotoEdit/Alamy
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Capabilities of Wireless Devices
Cellular telephony
Bluetooth
Wi-Fi
Digital camera
Global positioning system
Organizer
Scheduler
Address book
Calculator
E-mail access
Short message service
Instant messaging
Text messaging
MP2 music player
Video player
Internet access
QWERTY keyboard
History of the Cell Phone
Check out the history of the cell
phone in images
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)
Source: © Pearl Bucknall/
Age Fotostock America, Inc.)
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Satellite Footprint Comparison
Source: Drawn by Kelly Rainer
How the Global Positioning System Works
© Toh Kheng Ho/Age Fotostock America, Inc.
GPS Systems
In-dash GPS system
Smart phone and
GPS system
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Other GPS
Russian GLONASS
European Union GPS
© Toh Kheng Ho/Age Fotostock America, Inc.
China Beidou GPS
Wireless Transmission Media (continued)
Radio
Satellite Radio
© lim cheng en/Age Fotostock America, Inc.
Infrared
A test to see if
your TV remote
control is working
© Sergej Razvodovskij/Age Fotostock America, Inc.
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8.2 Wireless Computer Networks and
Internet Access
Short range wireless networks
Medium range wireless networks
Wide area wireless networks
Short Range Wireless Networks
Bluetooth
Ultra-wideband
Near-field Communications
Source: © Pearl Bucknall/
Age Fotostock America, Inc.)
Bluetooth
© ZOONAR GMBH LBRF/Age Fotostock America, Inc.
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Ultra-Wideband (UWB)
Ultra-wideband has many uses as you can
see at the TimeDomain Web site.
This article discusses the use of UWB in
fire-fighting.
Near-Field Communications in action
Frederic Lucano/Stone/Getty Images, Inc.
Medium Range Wireless Networks
Wireless fidelity (Wi-Fi)
Wireless access point
Hotspot
Wireless network interface card
Source: Lane Oatey/Getty Images,
Inc.
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A Wi-Fi Hotspot
© STOCKBROKERXTRA/Age Fotostock America, Inc.
Wi-Fi at Starbucks
@ Marianna Day Massey/Zuma Press
Wireless Mesh Networks
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Wide-Area Wireless Networks
Cellular Radio
1st Generation
2nd Generation
2.5 Generation
3rd Generation (3G)
4th Generation (4G)
Wireless Broadband or WiMax
Cellular Radio Network
8.3 Mobile Computing and Mobile
Commerce
Mobile computing
Mobility
Broad reach
© Såndor Kelemen/iStockphoto
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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
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Location-Based Applications
Shopping from Wireless Devices
Location-based Advertising
Location-based Services
Shopping from Wireless Devices
Source: Don Farrall/Photodisc/Getty Images, Inc.
Using Google Earth for Location-Based
Services
© Adam Radosavljevic/Age Fotostock America, Inc.
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Mobile Commerce Applications
Financial Services
Wireless Electronic
Payment System
Mobile Banking
Frederic Lucano/Stone/Getty Images, Inc.
Financial Services (continued)
Wireless Bill Payments
Mobile Wallet
Micropayments
Source: Mike Clarke/AFP/GettyImages/NewsCom
Intrabusiness Applications
Accessing Information
Mobile Portal
Voice Portal
© Sergey/Age Fotostock America, Inc.
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Telemetry
Examples of Telemetry Applications
Medicine
Automobiles
Find My iPhone
Telemedicine
Telemedicine predicted in 1924
Automotive Telemetry
Source: Media Bakery
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8.4 Pervasive Computing
Radio frequency identification (RFID)
Wireless sensor networks (WSNs)
Anatomy of a Bar Code
Source: Media Bakery
QR Codes
© Patrick Duinkerke/iStockphoto
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Various RFID Tags
© raphotography/iStockphoto
Small RFID Reader and Tag
See video
© Ecken, Dominique/ Keystone Pressedienst/Zuma Press
Coming soon to a supermarket near you
8.5 Wireless Security
Four major threats
Rogue access point
War driving
Eavesdropping
RF (Radio frequency) jamming
© Sebastian/AgeFotostock America, Inc.
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Chapter Closing Case
• The Problem
• The Solution
• The Results
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