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, medium-range, and long-range networks, and explain how businesses can use at least one technology employed by each type of network.
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 © Oleksiy Makymenko/Alamy © ecco/Shutterstock © PhotoEdit/Alamy© Såndor Kelemen/iStockphoto
Capabilities of Wireless Devices Cellular telephony access BluetoothShort message service Wi-FiInstant messaging Digital cameraText messaging Global positioning system OrganizerMP2 music player SchedulerVideo player Address bookInternet access CalculatorQWERTY keyboard
History of the Cell Phone Check out the history of the cell phone in imageshistory
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.)
Satellite Footprint Comparison Source: Drawn by Kelly Rainer
How the Global Positioning System Works © Toh Kheng Ho/Age Fotostock America, Inc.
GPS Systems Smart phone and GPS system In-dash GPS system
Other GPS Russian GLONASS European Union GPS China Beidou GPS © Toh Kheng Ho/Age Fotostock America, Inc.
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.
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.
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.article
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.
A Wi-Fi Hotspot © STOCKBROKERXTRA/Age Fotostock America, Inc.
Wi-Fi at Marianna Day Massey/Zuma Press
Wireless Mesh Networks
Wide-Area Wireless Networks Cellular Radio 1st Generation 2nd Generation 2.5 Generation 3rd Generation (3G) 4 th Generation (4G) Wireless Broadband or WiMax
Cellular Radio Network
8.3 Mobile Computing and Mobile Commerce Mobile computing Mobility Broad reach © Såndor Kelemen/iStockphoto
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
Shopping from Wireless Devices Source: Don Farrall/Photodisc/Getty Images, Inc.
Using Google Earth for Location-Based Services © Adam Radosavljevic/Age Fotostock America, Inc.
Mobile Commerce Applications Financial Services Mobile Banking Wireless Electronic Payment System Frederic Lucano/Stone/Getty Images, Inc.
Financial Services (continued) Micropayments Mobile Wallet Wireless Bill Payments Source: Mike Clarke/AFP/GettyImages/NewsCom
Intrabusiness Applications Accessing Information Mobile Portal Voice Portal © Sergey/Age Fotostock America, Inc.
Telemetry Examples of Telemetry Applications Medicine Automobiles Find My iPhone
Telemedicine Telemedicine predicted in 1924
Automotive Telemetry Source: Media Bakery
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
Various RFID Tags © raphotography/iStockphoto
Small RFID Reader and Tag Coming soon to a supermarket near you See videovideo © Ecken, Dominique/ Keystone Pressedienst/Zuma Press
8.5 Wireless Security Four major threats Rogue access point War driving Eavesdropping RF (Radio frequency) jamming © Sebastian/AgeFotostock America, Inc.
Chapter Closing Case The Problem The Solution The Results