Module 07
Mobile Commerce and Pervasive Computing:
Mobile Commerce and Pervasive Computing:
Mobile Computing:
Overview of Mobile Commerce:
Mobile
commerce (m-commerce, m-business): Any business activity conducted over
a wireless telecommunications network.
Fig: The Mobile Commerce Landscape:
![Exhibit_9[1]](file:///C:\Users\User\AppData\Local\Temp\msohtmlclip1\01\clip_image002.jpg)
Mobile Computing Devices:
Personal
digital assistant (PDA):
A handheld computer principally used for personal
information management.
Smartphone: Internet-enabled
cell phones that can support mobile applications
Blackberry:
A handheld device principally used for e-mail.
Wireless
mobile computing (mobile computing): Computing that
connects a mobile device to a network or another computing device, anytime,
anywhere.
Synchronization:
The exchange of updated information with other
computing devices.
Fig: The Wireless Mobile Environment:
![Exhibit_9[1]](file:///C:\Users\User\AppData\Local\Temp\msohtmlclip1\01\clip_image004.jpg)
Mobile Computing Software:
Micro-browser: Wireless
Web browser designed to operate with small screens and limited bandwidth and
memory requirements.
Wireless
Application Protocol (WAP):
A suite of network protocols designed to enable
different kinds of wireless devices to access WAP readable files on an
Internet-connected Web server.
Wireless
Markup Language (WML): A scripting language used to create
content in the WAP environment; based on XML, minus unnecessary content to
increase speed
Compact
Hypertext Markup Language (cHTML): A scripting
language used to create content in i-mode
Extensible
Hypertext Markup Language (xHTML): A general
scripting language; compatible with HTML; set by W3 Consortium
Voice
XML (VXML): An extension of XML designed to accommodate
voice.
Fig: WAP Architecture
![Exhibit_9[1]](file:///C:\Users\User\AppData\Local\Temp\msohtmlclip1\01\clip_image006.jpg)
Mobile Computing Services:
Short
Message Service (SMS): A service that supports the sending
and receiving of short text messages on mobile phones
Enhanced
Messaging Service (EMS): An extension of SMS that can send
simple animation, tiny pictures, sounds, and formatted text
Multimedia
Messaging Service (MMS):
The next generation of wireless messaging; MMS will be
able to deliver rich media
Micropayments:
Electronic payments for small-purchase amounts
(generally less than $10)
Global
positioning system (GPS): A worldwide satellite-based tracking
system that enables users to determine their position anywhere on the earth
Interactive
voice response (IVR): A computer voice system that enables
users to request and receive information and to enter and change data through a
telephone
Voice
portal: A Web site with an
audio interface that can be accessed through a telephone call
Wireless
Telecommunications Networks:
Personal Area Networks:
Personal
area network (PAN): A wireless telecommunications network
for device-to-device connections within a small range
Bluetooth:
A set of telecommunications standards that enables
wireless devices to communicate with each other over short distances
Wireless Local Area Networks:
Wireless
local area network (WLAN):
A telecommunications network that enables users to make
medium-range wireless connections to the Internet or another network
Wi-Fi
(wireless fidelity):
The common name used to describe the IEEE 802.11
standard used on most WLANs
802.11b:
The most popular Wi-Fi standard; it is inexpensive and
offers sufficient speed for most devices; however, interference can be a
problem
802.11a:
This Wi-Fi standard is faster than 802.11b but has a
smaller range
802.11g:
This fast but expensive Wi-Fi standard is mostly used
in businesses
Wireless
access point: An antenna that connects a mobile device to
a wired LAN
Hotspot:
An area or point where a wireless laptop or PDA can
make a connection to a wireless local area network
Exhibit 9.5 How
Wi-Fi Works:
![Exhibit_9[1]](file:///C:\Users\User\AppData\Local\Temp\msohtmlclip1\01\clip_image008.jpg)
Wireless Metropolitan Area Networks:
Wi-Max:
A wireless standard (IEEE 802.16) for making broadband
network connections over a large area
Wireless
metropolitan area network (WMAN): A
telecommunications network that enables users to make long-range wireless
connections to the Internet or another network
Wireless Wide Area Networks:
Wireless
wide area network (WWAN): A telecommunications network that
offers wireless coverage over a large geographical area, typically over a
cellular phone network
Physical Topology of a WWAN:
Subscriber
identification module (SIM) card: An extractable
storage card used for identification, customer location information,
transaction processing, secure communications, and the like
Exhibit 9.6 Cellular Telephone
Network:
![Exhibit_9[1]](file:///C:\Users\User\AppData\Local\Temp\msohtmlclip1\01\clip_image010.jpg)
WWAN Communication Bandwidths:
•
1G. The first generation of wireless technology, which was
analog based
•
2G. The second generation of digital wireless technology;
accommodates voice and text
•
2.5G. An interim wireless technology that can accommodate
voice, text, and, limited graphics
•
3G. The third generation of digital wireless technology;
supports rich media such as video
•
4G. The expected next generation of wireless technology
that will provide faster display of multimedia
WWAN Communication Protocols:
•
Frequency
Division Multiple Access (FDMA)
•
Time
Division Multiple Access (TDMA)
•
Code
Division Multiple Access (CDMA)
WWAN Network Systems:
Global
System for Mobile Communications (GSM): An open,
nonproprietary standard for mobile voice and data communications
Mobile Commerce:
Attributes of M-Commerce:
–
Ubiquity
–
Convenience
–
Interactivity
–
Personalization
–
Localization
Mobile Financial
Applications:
Mobile Banking:
Wireless Electronic Payment Systems:
–
Wireless Wallets
M-wallet
(mobile wallet):
Technologies that enable cardholders to make purchases
with a single click from their wireless device
Wireless Bill Payments:
–
A number of companies now provide the
option of paying bills directly from a cell phone
Mobile Shopping,
Advertising, and Content Provision:
Wireless Shopping:
–
An increasing number of online
vendors allow customers to shop from wireless devices
–
Enables customers to use cell phones
or wireless PDAs to:
•
Perform quick searches
•
Compare prices
•
Use a shopping cart
•
Order
•
View the status of their order
Targeted Advertising:
–
Marketers send user-specific
advertising messages to wireless devices
–
Location-sensitive advertising
informs buyers about shops, malls, and restaurants close to where the mobile
device owner is located
Mobile
portal:
A
customer interaction channel that aggregates content and services for mobile
users
Mobile Intra-business
Applications:
Support of Mobile Employees:
Sales
force mobilization: The process of equipping sales force
employees with wireless computing devices
–
Job Dispatch
Wearable
devices: Mobile wireless computing devices for
employees who work on buildings and other climbable workplaces
Customer Support:
Mobile
access extends the reach of CRM to both employees and business partners on a
24/7 basis, to any place where recipients are located
Non-Internet Intrabusiness
Applications:
–
Wireless networking, used to pick
items out of storage in warehouses
–
Delivery-status updates
–
Collection of data
–
Monthly pay slips sent as SMS
messages sent to employees’ mobile phones
–
Property adjusters report from the
scene of an accident
–
Sales representatives check orders
and inventories during their visits to customers
B2B M-Commerce and
Supply Chain Management:
•
Use of wireless communication to
share information along the supply chain and to collaborate with partners
•
By integrating the mobile computing
device into supply chain communications, it is possible to:
–
Make mobile reservations of goods
–
Remotely check availability of a
particular item in the warehouse
–
Order a customized product from the
manufacturing department
–
Provide secure access to confidential
financial data from a management information system
Mobile Consumer
and Personal Service Applications:
•
Mobile Games
•
Wireless Telemedicine
•
Other Mobile Computing Services for
Consumers
•
Non-Internet Mobile Applications for
Consumers
Location-Based
Mobile Commerce:
Location-based
m-commerce: Delivery of m-commerce transactions to
individuals in a specific location, at a specific time
•
The services provided through
location-based m-commerce focus on five key areas:
–
Location
–
Navigation
–
Tracking
–
Mapping
–
Timing
Global
Positioning System (GPS): A worldwide satellite-based tracking
system that enables users to determine their position anywhere on the earth
Geographical
information system (GIS):
An information system that integrates GPS data onto
digitized map displays
Emergency Response Cell Phone Calls:
Wireless
911 (e-911):
In the United States, emergency response calls from
cellular phones
Automatic
crash notification (ACN):
Device that automatically sends the police the location
of a vehicle that has been involved in a crash
Telematics:
The integration of computers and wireless
communications to improve information flow using the principles of telemetry
Barriers to Location-Based M-Commerce:
–
Accuracy of devices
–
The cost-benefit justification
–
Limited network bandwidth
–
Invasion of privacy
Security and Other
Barriers to Mobile Commerce:
M-Commerce Security Issues:
–
Malicious Code
–
Transaction Security
–
Wireless Communication
–
Physical Security of Mobile Devices
–
Ease of Use
Technological Barriers to M-Commerce:
Ethical, Legal, and Health Issues in M-Commerce:
Project Failures in M-Commerce:
–
Do not start without appropriate
infrastructure
–
Do not start a full-scale
implementation; use a small pilot for experimentation
–
Pick an appropriate architecture
(e.g., some users do not need to be persistently connected)
–
Talk with a range of users, some
experienced and some not, about usability issues
–
Users must be involved; hold biweekly
meetings if possible
–
Employ wireless experts
–
Wireless is a different medium from
other forms of communication. Remember that people are not used to the wireless
paradigm
Pervasive
Computing:
Overview of Pervasive Computing:
Pervasive
computing: Invisible, everywhere computing that is
embedded in the objects around us
Principles of Pervasive Computing:
•
Decentralization
•
Diversification
•
Connectivity
•
Simplicity
Contextual
computing: The enhancement of a user’s interactions by
understanding the user, the context, and the applications and information
required
Pervasive Computing Initiatives:
Radio
frequency identification (RFID): Technology that
uses radio waves to identify items
Electronic
product code (EPC): An RFID code that identifies the
manufacturer, producer, version, and serial number of individual consumer
products
–
Smart Homes
•
Lighting
•
Energy management
•
Water control
•
Home security and communications
•
Home entertainment
–
Smart Appliances
–
Smart Cars
–
Smart Clothes
Sensor
network:
A
series of interconnected sensors that monitor the environment in which they are
placed
Sensor
networks can:
•
Protect the environment
•
Public safety
•
Monitor business and agricultural
areas
Barriers to Pervasive Computing:
–
For pervasive systems to be widely
deployed, it is necessary to overcome many of the technical, ethical, and legal
barriers associated with mobile computing
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