Management Information Systems
Chapter 9
Chapter 9 The Wireless Rev olution
OBJECTIVES
•
The Wireless
Revolution
9.1
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Identify the principal wireless transmission
media and devices, cellular network standards
and generations, and standards for mobile Web
access
1. Radio waves to microwaves
2. CDMA & GSM are main cell phone standards
3. WAP & WML main Web standards
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Management Information Systems
Chapter 9 The Wireless Rev olution
OBJECTIVES (Continued)
• Describe the major standards for wireless
networks and for wireless Internet access
•
– Bluetooth, Wi-Fi, Wi-Max, EV-DO
• Evaluate the role of m-commerce in
business and describe the most important
m-commerce applications
Assess the business value of wireless
technology and describe important wireless
applications in business
1. Anytime/anywhere computing
2. Mobile CRM, SCM, health care, rental car
return, etc.
3. RFID facilitates SCM, transportation, etc.
– Information & transaction-based & personal services
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Management Information Systems
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
• Identify and describe the challenges posed
by wireless technology and management
solutions
– Maintaining security & privacy
– Successful IT integration
• 55% of US, 85 % of Europe, 75 % Korea w/cell phones
• Focus on biggest bang-for-the-buck, try on
small pilot program before full
implementation
9.5
The Wireless Revolution
• Mobile phones have become mobile platforms for
delivering digital data, used for recording and
downloading photos, video and music, Internet access,
and transmitting payments.
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• An array of technologies provides high-speed wireless
access to the Internet for PCs and other wireless
handheld devices and cell phones.
• R telemarketers allowed to call cell phone # ’s? Text message?
• Businesses increasingly use wireless to cut costs,
increase flexibility, and create new products and services.
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Management Information Systems
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
Mobile Versus Fixed-line Subscribers Worldwide
• “Wireless devices,” as defined by the CANSPAM Act, refers to cell phones and some
other personal or mobile wireless devices, such
as pagers. The definition does not include
laptop computers, even if they use a wireless
connection.
Source: Internati ona l Telec ommu nicati ons
Uni on, 200 2 and 2 00 3, and auth ors.
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Figure 9-1
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
THE WIRELESS COMPUTING LANDSCAPE
Business Value of Wireless Networking
Business Value of Wireless Networking (Continued)
• Wireless communication helps businesses easily
stay in touch with customers, suppliers, and
employees.
• Companies can save on wiring offices, moving,
and making network changes by using wireless
networks.
• Wireless networking increases worker productivity
and output, as workers take less time to establish
contact with people and to access information.
• Wireless technology has also been the source of
new products, services, and sales channels in a
variety of industries, e.g. OnStar, Starbucks “hot
spots”.
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9.10
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
THE WIRELESS COMPUTING LANDSCAPE
Amoco’s Satellite Transmission System
Wireless Transmission Media and Devices
• All wireless media rely on various parts of the
electromagnetic spectrum.
• Microwave systems transmit high-frequency
radio signals through the atmosphere.
• Communication satellites are used for
geographically dispersed organizations.
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9.12
Figure 9-3
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2
Management Information Systems
Cellular Network Standards
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
Devices for Wireless Transmission:
• GSM
– Used by 75% of the world’s cell phone users
– International roaming capability
– Used by T-mobile, Cingular, ATT in US
• Paging syste ms
• E-mail handhelds
• Cellular telephones
Merged?
• CDMA (Code division multiple access)
• Personal Digital Assistants (PDAs)
– More efficient, higher quality
– Used by Verizon, MCI, Sprint
• Smart phones
9.13
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
THE WIRELESS COMPUTING LANDSCAPE
WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS
The Institute of Electrical and Electronics Engineers (IEEE)
established a hierarchy of complementary standards for
wireless computer networks.
Cellular Generations:
•
1G: Analog cellular networks for voice communication
•
2G: Digital wireless networks, primarily for voice c ommunication;
limited data transmission ca pability
•
2.5G: Interim step toward 3 G in the United States
•
3G: High-speed; mobile ; s upports video a nd other rich media ; alwayson transmission for e-mail, Web browsing, instant messaging
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•
IEEE 802.15 (Bluetooth) for the Personal Area Network (PAN)
•
IEEE 802.11a,b,g (Wi-Fi) for the Local Area Network (LAN)
•
IEEE 802.16 (WiMax) for the Metropolita n Area Network (MAN)
•
IEEE 802.20 (pr oposed) standard for the Wide Area Network (W AN)
• EV-D O “Nation-wide” broadband wireless access from Veri zon
Table 9-2
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
M-COMMERCE AND MOBILE COMPUTING
M-COMMERCE AND MOBILE COMPUTING
Global M-Commerce Revenue, 2000–2005
• M-commerce: The use of the Internet for
purchasing goods and services and also for
transmitting messages using wireless mobile
devices
• Mobile computing: Enables internet-enabled cell
phones, PDAs, and other wireless computing
devices to access digital information on the
Internet from any location
Source: Co pyrig ht 200 5 Jupiter med ia
Corp oratio n. All rig hts reserv ed.
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Figure 9-7
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
M-COMMERCE AND MOBILE COMPUTING
M-COMMERCE AND MOBILE COMPUTING
M-Commerce Services and Applications
M-Commerce Services and Applications (Continued)
• Information-based services: Instant messaging,
e-mail, searching for a movie or restaurant using a
cell phone or handheld PDA
• Personalized services: Services that anticipate
what a customer wants based on that person’s
location or data profile, such as updated airline
flight information or beaming coupons for nearby
restaurants
• Transaction-based services: Purchasing stocks,
concert tickets, music, or games; searching for
the best price for an item using a cell phone and
buying it in a physical store or on the Web
Table 9-3 (Continued)
9.19
Table 9-3
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
M-COMMERCE AND MOBILE COMPUTING
M-COMMERCE AND MOBILE COMPUTING
Digital Payment Systems and M-Commerce
• Micropayment system
o Individual service providers run their own
separate payment syste ms
o Small payments added on to single bill
M-Commerce Challenges
•
to customer
•
•
• Stored payment syste m
o Cell phone equipped with smart card storing
rechargeable electronic cash
9.21
• Mobile Wallets (m-Wallets): Store personal data
for automatic use in online transactions (no filling
out forms)
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Slow data transfer speeds on 2G cellular netw orks, resulting in higher costs
Limited memory and pow er supplies
More Web sites need to be designed specifically for sm all w ireless
devices.
•
Keyboards and screens on cell phones are still tiny and awkward to use.
•
Need new business m odels / ideas for utilizing handheld com puting power
and m -commerce
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
WIRELESS TECHNOLOGY IN THE ENTERPRISE
WIRELESS TECHNOLOGY IN THE ENTERPRISE
Wireless Applications for Customer Relationship
Management
Pitney Bowes’s Wireless CRM System
Wireless CRM enables sales and field service
professionals to:
• Access customer account records and
information at any time or location
• Update customer accounts and deal information
to update customer database instantaneously
• Enter, perform, and update transactions and
product information
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9.24
Figure 9-9
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4
Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
WIRELESS TECHNOLOGY IN THE ENTERPRISE
WIRELESS TECHNOLOGY IN THE ENTERPRISE
Wireless Supply Chain Management (SCM) and Radio
Frequency Identification (RFID)
• Wireless supply chain management systems:
Provide simultaneous accurate information about
demand, supply, production, and logistics as
goods move among supply chain partners
Wireless Supply Chain Management (SCM) and Radio
Frequency Identification (RFID)
• Radio Frequency Identification (RFID) systems:
• Active devices
• Memory can be modified, have own power
• Passive devices
• Use power from reader
• Radio Frequency Identification (RFID) systems:
Provide a powerful technology for tracking the
movement of goods throughout the supply chain
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• Cost is currently about 5 cents/ea
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Management Information Systems
Chapter 9 The Wireless Rev olution
WIRELESS TECHNOLOGY IN THE ENTERPRISE
How RFID Works
9.27
Figure 9-10
• Eliminating cash register queues
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Management Information Systems
RFID vs. Optical Barcode
Chapter 9 The Wireless Rev olution
WIRELESS TECHNOLOGY IN THE ENTERPRISE
Wireless in Health Care
Wireless Applications:
• Electronic Medical Record (EMR) retrieval
• Wireless note taking for patient charts
• Lab test results instantly available/updated
• Prescription generation
• Medical databases (security/privacy issues?)
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
WIRELESS TECHNOLOGY IN THE ENTERPRISE
MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS
Management Opportunities:
Wireless Sensor Networks and Pervasive Computing
•
Wireless technology offers:
Wireless sensor networks (WSNs): Networks of
interconnected wireless devices that are embedded into the
physical e nvironme nt to pro vide measurements of many
• Flexible business processes
points over large spaces
• Business processes not limited by time or space
•
Pervasive c omputing: Wireless technologies are pus hing
computing into ever y facet of life , including cars, homes,
• New channel for communicating with client
office buildings , tools a nd factories ; pr oviding connections
anywhere and anytime.
• Source of new products and services
• If w all outlets accessed via WWW, need more IP addresses!
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Management Information Systems
Management Information Systems
Chapter 9 The Wireless Rev olution
Chapter 9 The Wireless Rev olution
MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS
MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS
Management Challenges:
Solution Guidelines:
• Integrating wireless technology into the firm’s IT
infrastructure
The following are some of the guidelines for managing
mobile technology in the enterprise:
• Identifying areas in which wireless can provide
the most value
• Maintaining security and privacy
• Creating a management framework for wireless
technology
• Using a pilot program before full-scale rollout of
wireless systems
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