Wireless Internet and m-Business

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2001 Prentice Hall, Inc. All rights reserved.

Wireless Internet and m
-
Business

Outline

6.1

Introduction

6.2

Wireless Devices

6.3

m
-
Business

6.4

Wireless Internet Access

6.5

Wireless Web Technology


6.5.1

Web Clipping


6.5.2

WAP and WML

6.6

Software Applications for Wireless Devices

6.7

Wireless Local Area Networks (WLANs)

6.8

Bluetooth

6.9

Wireless Communications

6.10

Location Tracking


6.10.1

Global Positioning System


6.10.2

E911 Act

6.11

Future of Wireless Internet


6.11.1

Implications for Disabled People


6.11.2

Ultimate Wireless Device




2001 Prentice Hall, Inc. All rights reserved.

6.1 Introduction


Wireless technology turns e
-
business into
m
-
business
, or mobile business



Current applications


Conduct online transactions


Make purchases


Trade stocks


Send e
-
mail



Future applications


A
wireless office
, where computers, phones and other office
equipment are all networked without cables




2001 Prentice Hall, Inc. All rights reserved.

6.2 Wireless Devices


Wireless development


First
-
generation wireless technology was the cellular phone



Second generation wireless technology, which includes
digital cellular phones, is currently in use worldwide



Third generation, or
3G

technology will enable wireless
devices to send and receive data as much as seven times
faster than a standard 56K modem



Wireless devices


Personal digital assistants (PDAs)


Digital cellular phones


Two
-
way pagers





2001 Prentice Hall, Inc. All rights reserved.

6.2 Wireless Devices


Outside the United States, mobile phones are the
preferred medium for getting information and
making e
-
business transactions



Service is not universally available and
still
relatively expensive



Limited bandwidth restricts the amount of data
that can be sent over the wireless network



Wireless devices have significantly smaller
memory capacity and less powerful processors
than desktop computers




2001 Prentice Hall, Inc. All rights reserved.

6.3 m
-
Business


m
-
Business


e
-
Business using wireless devices with Internet access



B2C marketplace


Increased conveniences for consumers


Frequent, small transactions


Receiving news, sports scores, e
-
mail, coupons and
advertisements


B2B marketplace


Salespeople can access product databases and place orders


Address customer needs immediately


Ordering and billing will be conducted remotely



2001 Prentice Hall, Inc. All rights reserved.

6.3 m
-
Business


Blackberry


BlackBerry Exchange Edition


BlackBerry Internet Edition





2001 Prentice Hall, Inc. All rights reserved.

6.3 m
-
Business

Blackberry Home Page. (Courtesy of

Research in Motion Limited. The Blackberry and RIM families of

related marks, images and symbols are the exclusive property of, and trademarks of Research in Motion

Limited, used by permission.)



2001 Prentice Hall, Inc. All rights reserved.

6.4 Wireless Internet Access


Code Division Multiple Access

(CDMA)


Each transmission is assigned a specific channel, giving the
transmission the benefit of the entire bandwidth within that
channel and reducing the possibility that a connection will
be broken


Able to assign each transmission on the network a unique
code to ensure security


Global System for Mobile Communications

(
GSM
)


Uses Time Division Multiple Access (TDMA) which takes
multiple calls and assigns each call to a different time slot on
the same radio frequency



2001 Prentice Hall, Inc. All rights reserved.

6.4 Wireless Internet Access


3G technologies


EDGE


Cdma2000


W
-
CDMA


International Telecommunications Union

(ITU)


Establishes guidelines for 3G



2001 Prentice Hall, Inc. All rights reserved.

Sprint PCS


Sprint PCS


A nationwide network that offers an array of wireless solutions for
both business and personal applications



The main technology driving the PCS network is CDMA



UP.Browser



Sprint’s wireless Web browser


Users can view Web sites designed for wireless Web browsers



Wireless Web Connection Kit



Allows customers to use their PCS phones as modems to connect
their laptops to the Internet over the Sprint PCS network



Wireless Web Updates




2001 Prentice Hall, Inc. All rights reserved.

GoAmerica


GoAmerica


Wireless Internet service provider


Services include Internet access, Web browsing and e
-
mail
capabilities for a variety of wireless devices, including PDAs
and two
-
way pagers


Go.Web


Wireless Web browser gives users access to e
-
mail and Web


Compresses sites to reduce download time


MyGo.Web



Allows users to access information specific to their needs



2001 Prentice Hall, Inc. All rights reserved.

6.5 Wireless Web Technology


Three technologies are used to provide Web
access to wireless devices


Wireless Application Protocol (WAP)


Web clipping


Microsoft’s Pocket Internet Explorer



2001 Prentice Hall, Inc. All rights reserved.

6.5.1 Web Clipping


Web clipping


Allows users to take relevant pieces of a Web site and
deliver it to a wireless device, eliminating excess content and
graphics


Palm devices use Web clipping


Proxy server


Lies between client (such as a Web browser) and Web server


Query is received by a proxy server controlled by the
wireless ISP


Proxy server goes to the Web site and “clips” the necessary
data


The proxy server transmits the data back to your wireless
device


If the proxy server does not have the information, it passes the
request to the regular server



2001 Prentice Hall, Inc. All rights reserved.

6.5.1Personal Digital Assistants


Palm VII wireless handheld computer


Query Application Builder
(
QAB
)


Web designers build
Palm Query Applications
(PQAs) to be
installed on users’ Palm handheld computers





2001 Prentice Hall, Inc. All rights reserved.

6.5.1 Personal Digital Assistants

Palm Web Clipping Applications Library. (Courtesy of Palm, Inc.)



2001 Prentice Hall, Inc. All rights reserved.

6.5.1 Personal Digital Assistants

Palm VII Handheld. (Courtesy of Palm, Inc.)



2001 Prentice Hall, Inc. All rights reserved.

6.5.2 WAP and WML


Wireless Application Protocol
(
WAP
)



Developed by Nokia, Ericsson, Motorola, etc.


A set of communication protocols designed to enable
different kinds of wireless devices to communicate and
access the Internet


Designed to standardize development across different
wireless technologies worldwide


Intended primarily for Internet
-
enabled digital phones,
pagers and other handheld devices


Uses Web sites specifically designed for wireless handheld
devices that have small screens and low
-
bandwidth
constraints



2001 Prentice Hall, Inc. All rights reserved.

6.5.2 WAP and WML


Wireless Markup Language (WML)


The scripting language used to create Web content to be
delivered to wireless handheld devices, based on XML


Removes “unnecessary” content from Web pages


WML tags are used to “mark up” a Web page to specify how
the page should be formatted on a wireless device


WML works with the WAP to deliver the content


Similar to HTML, but it does not require input devices


Microbrowsers


Designed with limited bandwidth and limited memory
requirements


Access the Web via the wireless Internet



2001 Prentice Hall, Inc. All rights reserved.

6.5.2 WAP and WML


How wireless Internet works:


A WAP gateway, which acts as a proxy server, receives the
request, translates it and sends it to the appropriate Internet
server


Server responds by sending the requested WML document


The WAP gateway parses this document's WML (i.e., it
analyzes the WML document, checking it for correctness)
and sends the proper text to the digital phone


Deck

A WML document


Card


Consists of one user interaction, providing the WML
browser with a small, self
-
contained document for browsing





2001 Prentice Hall, Inc. All rights reserved.

6.5.2 WAP and WML


Rendering a WML document using Nokia’s Browser. (© 2000 Nokia Mobile
Phones.)



2001 Prentice Hall, Inc. All rights reserved.

6.6 Software Appliances for Wireless
Devices


No widely accepted standard for wireless
development


Developers are often required to develop multiple
applications


Microsoft Pocket Internet Explorer


Reformats complete Web pages as they are downloaded
from the Internet for display on the Pocket PC


Allows Pocket PC users to access most of the content
currently available on the Web and eliminates the need to
tailor Web content for delivery to handheld devices


PacketVideo


Specializes in wireless video technology for mobile devices





2001 Prentice Hall, Inc. All rights reserved.

6.6 Software Appliances for Wireless
Devices

Microsoft Pocket PC Devices. (Courtesy of Microsoft Corporation, Casio Computer

Co., Ltd., Compaq Corporation, Hewlett Packard and Symbol Technologies, Inc.)



2001 Prentice Hall, Inc. All rights reserved.

6.6 Software Appliances for Wireless
Devices

Microsoft’s Pocket Internet Explorer. (Courtesy of Microsoft Corporation

and Compaq Corporation.)



2001 Prentice Hall, Inc. All rights reserved.

6.6 Software Appliances for Wireless
Devices

Demo of a video delivered to a wireless device using PacketVideo. (Courtesy of

PacketVideo Corporation.)



2001 Prentice Hall, Inc. All rights reserved.

6.7 Wireless Local Area Networks


Easier to install and maintain without disrupting
an office


Computers can easily be moved without having to
install a new network connection in each location


Radio Frequency WLANs

(RF WLANs)


Used to network devices at a distance


Infrared and laser WLANs


Do not require FCC approval


Do not have the same interference issues


Can be used only for short distances



2001 Prentice Hall, Inc. All rights reserved.

6.7 Wireless Local Area Networks


Infrared technology


More cost efficient than laser technology



Equipment has a longer lifespan


Technology is less susceptible to weather


Reliable and easy to install


The system is portable


Transceivers


Send the signal between the buildings and are linked to the
network using fiber
-
optic cable (used with infrared
technology)



2001 Prentice Hall, Inc. All rights reserved.

6.8 Bluetooth


Bluetooth


A wireless technology that provides short
-
range, high
-
speed
voice and data communication between digital devices


Conceived by Ericsson in 1994


Provides up to 1 Mbps (megabits per second) of data transfer
capability between devices as much as 30 feet apart


Can also be used to create wireless offices


Bluetooth Special Interest Group


Initially comprising Ericsson, IBM, Intel, Toshiba and Nokia


Developed an open specification for the technology and to
encouraged cross
-
platform capabilities for the different
wireless devices




2001 Prentice Hall, Inc. All rights reserved.

6.9 Wireless Communications


Wireless communications can be unreliable and
slow, wireless
-
device bandwidth is about one fifth
of the capabilities of a standard dial
-
up connection


General packet radio services (GPRS)


Enables devices to transmit data at speeds of up to 114 kbps


Universal mobile telecommunications standard
(UMTS)


Will offer transfer speeds of up to 2 Mbps for wireless
devices


Smart phones


Mobile phones that send and receive both voice and data
messages


Used to securely send and receive secure mobile transactions



2001 Prentice Hall, Inc. All rights reserved.

6.10 Location Tracking


Location tracking


Can be used for navigation, such as GPS (Global Positioning
System) devices installed in cars


Can be used by shipping companies to track delivery trucks,
giving customers more accurate tracking information and
expected delivery time


Can also be used for targeted marketing


Go2systems.com



NEAR

magazine




2001 Prentice Hall, Inc. All rights reserved.

6.10.1 Global Positioning System
(GPS)


Developed by the United States Department of Defense for
military purposes, now used in commercial devices



Standard Positioning Service (SPS)


Precise Positioning Service (PPS)


Uses satellites to track a user’s position (vertical and
horizontal), velocity and the time in their location


Six circular orbits (four satellites per orbit), five ground
stations and three antennas



Triangulation


Three (of four) satellites are used to determine the latitude,
longitude and altitude of the receiver, the fourth satellite is
used to check for errors in the triangulation




2001 Prentice Hall, Inc. All rights reserved.

6.10.2 E911 Act


Federal Trade Commission (FTC)

E911 Act


D
esigned to standardize and enhance 911 service across
mobile devices



Improve emergency response time to 911 calls placed using
cellular phones



Requires all wireless cellular carriers to provide Automatic
Number Information (ANI)



Mandates that all mobile
-
phone carriers provide
Automatic
Location Identification (ALI)



Disabilities Issues Task Force



Provide hearing
-

and speech
-
impaired people with access to
911 service through mobile devices





2001 Prentice Hall, Inc. All rights reserved.

6.10.2 E911 Act


Benefits


Emergency response teams can accurately locate callers,
improving response time



Emergency response teams can accurately locate if a call is
breaking up or the caller cannot be understood by the
emergency operator


Locate friends nearby


Obtain up
-
to
-
the
-
minute traffic information


Challenges


Constant tracking abilities threaten privacy


Advertising and third party organization solicitation




2001 Prentice Hall, Inc. All rights reserved.

6.11 Future of Wireless Internet


Decreasing cost and size of wireless phones and
mobile devices


Improving technology


Increasing number of devices made wireless


Increased venture capitalist interest in wireless
technology





2001 Prentice Hall, Inc. All rights reserved.

6.11.1 Implications for Disabled
People


Navigational capabilities for people with visual
disabilities


Communication between traffic signals and wireless device


Text displays of verbal communication for people
with hearing disabilities


Close
-
captioned broadcasting to television and
radio


Patients with Alzheimer’s


Exact location, the location of the nearest police station and
contact information for family members







2001 Prentice Hall, Inc. All rights reserved.

6.11.2 Ultimate Wireless Device


Combination of all features of
a mobile phone,
PDA and two
-
way pager



Camera for video telephony and photography


Make calls from anywhere in the world



Send and receive e
-
mail in real
-
time, without
having to dial into a service provider



Maintain your address book, schedules, to
-
do lists,
etc.


Built
-
in GPS System