930P07Wirelessx - Classdat

qualtaghblurtingMobile - Wireless

Dec 12, 2013 (3 years and 6 months ago)

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WiFi
, Bluetooth, And All Things
Wireless

Trei

Jolly, Liz Kennedy, Alex Putzer, John
Schutz
, and Kelsey Vaughn

What is Wi
-
Fi?


Networking technology


Radio waves


High speed data transfer


Close proximity


When is Wi
-
Fi?


1985


FCC opens up radio spectrum


For certain bands


Encouraged many new entrants


Used different standards


Non
-
compatible devices



When is Wi
-
Fi?


1991


WaveLAN


Developed by NCR


Operated in the 915 MHz band


One of the first wireless local area networks
introduced on an Industry Standard Architecture Card

When is Wi
-
Fi?


1997


IEEE


Agreed on a common standard


802.11


Operates in the 2.4 GHz band


Used today, but there are different versions


1998


Lucent Technologies



WaveLAN

II”


802.11 compatible


Controversy?


CSIRO


Australian Government’s Research Lab (1926)


John O. Sullivan


CSIRO Astrophysicist tasked with building a high
speed wireless network


Patented in 1996


Brought forth patent infringement suits


$430 million settlement





http://arstechnica.com/tech
-
policy/2012/04/how
-
the
-
aussie
-
government
-
invented
-
wifi
-
and
-
sued
-
its
-
way
-
to
-
430
-
million/2/



Bluetooth


1994


Ericsson


Originally to replace RS
-
232 data cables


Exchanges data over short distances


2.4
-
2.485 GHz band


1998


Ericsson, Intel, Nokia, Toshiba, IBM


Bluetooth Special Interest Group


Officially adopt the name “Bluetooth”

Bluetooth? Really?


10th century Danish King
Harald

Blåtand


English
-

Bluetooth


United warring factions in Norway, Sweden, and
Denmark


Created to allow connectivity among differing
products


Standard


802.15.1

approved by IEEE


Typically used for “hands
-
free” applications


Adaptive frequency hopping


Reduces interference between other devices using
the same frequency


“hops” among 79 different frequencies at 1 MHz
increments


http
://www.bluetooth.com/Pages/History
-
of
-
Bluetooth.aspx


Mobile Wireless Communication



http://www.youtube.com/watch?feature=player_d
etailpage&v=X71ZRyHmeCY


Mobile Wireless Communication



What is a “G”?


Mobile Wireless Communication



4
th

Generation


LTE


Beyond...


Mobile Wireless Communication



Civil service


Military


Corporations


You



Gadgets


Laptops


Tablets/E
-
Readers


Smartphones


GPS


“Wellness”

Laptops


Workplace Virtualization


Work/Life Balance


Full Computing Power


Availability of Documents


Versatile


Tablets/E
-
Readers


More Accessible/Portable


Less Computing Power


Consuming Content, Not Creating It


Meetings


Second Monitor

Smartphones


Availability


Most Accessible/Portable


Personal Organizers


Social


Communication Gap


GPS


Navigational Systems


Smartphones


Cars


Watches


Business


Traveling to/Locating Clients


Personal


Fitness, Travel



“Wellness”


Track Fitness Activities


Wellness Challenges at Work


Pedometers


Fitbit


Watches


Garmin, Nike Plus, Timex

Advantages of Wireless Devices


Responsiveness


Reduced Costs


Mobility/Collaboration


Ease of Network Expansion




Advantages of Wireless Devices


Responsiveness


Immediate Access to Timely Information


Portable Devices Increase Efficiency


Enhanced Productivity


Emergencies Can be Addressed




Advantages of Wireless Devices


Reduced Costs


Less Cables and Infrastructure


Costly Meetings/Conferences


Reduced Travel


Simplified Maintenance


Advantages of Wireless Devices


Mobility/Collaboration


User Device Mobility


Flexible Meetings


Can Operate Anywhere


Remote Area Connectivity





Advantages of Wireless Devices


Ease of Network Expansion


Cordless


Neat and Easy Installation


More Users Can be Incorporated
I
nto Network


Connection Density




Disadvantages of Wireless Devices


Security


Speed


Dependability


Coverage/Interference

Disadvantages of Wireless Devices


Security


Ease of Use Compromises Security


Penetration Compromises Entire Network


WiFi

Protected Access (WPA)


Evolving Networks being infiltrated


Long
-
range antennas


Wardriving






Disadvantages of Wireless Devices


Speed


More users, slower network


LAN Network faster


Increased number of devices within network slows
speed


Slower when transferring files


Disadvantages of Wireless Devices


Dependability


Wireless Connectivity Uses
R
adio
S
ignal


Limited Channels


Increased Devices Reduces Dependability

Disadvantages of Wireless Devices


Coverage and Interference


Area Can Be Too Limited for Purposes


Cell Phones, Microwave Ovens, Filing Cabinets, Walls


More Susceptible to Crashing



Advantages and Disadvantages of
Wireless Devices


Advantages
O
utweigh Disadvantages

Future of
WiFi


Wi
-
Fi Convergence



Speed



Hot
-
Spot 2.0



Cellular Carriers



Internet Providers

Future of Bluetooth


Health field



Power efficiency



Agriculture



Bluetooth Household



Obsolete?

Other Wireless Technology


WiPower



5g



Self Powered Wireless Sensors



DIPLOMA



The Shield




Other Wireless Technology


Google Glass



Smartphone Telematics



Keys?





Autonomous Cars


Signal Guru



Car Speak



Legislation



Consumer Resistance



Security





Sources


Root, M. Darren. "Information When, Where And On

What Device YOU Want It."

CPA Practice

Advisor

23.6 (2013): 3.

Business Source Complete
.

Web.


Drew, Jeff. "The
Ipad

Decision."

Journal Of

Accountancy

212.4 (2011): 26
-
31.

Business

Source Complete
. Web.


Chen, Clement C., Keith T. Jones, and Shawn
Xu
. "The

Communication Methods Of Today's Students."

CPA

Journal

82.11 (2012): 66
-
71.
Business Source

Complete
. Web.






Sources


http://www.gwi.net/policy/wp
-
content/uploads/2013/03/wifi
-
logo.gif


http://onlinelibrary.wiley.com/doi/10.1002/bltj.2069/pdf


http://www.wi
-
fi.org/about/organization


http://www.britannica.com/EBchecked/topic/1473553/Wi
-
Fi


http://bpastudio.csudh.edu/fac/lpress/471/hout/wireless/wifi4.h
tm


http://arstechnica.com/tech
-
policy/2012/04/how
-
the
-
aussie
-
government
-
invented
-
wifi
-
and
-
sued
-
its
-
way
-
to
-
430
-
million/2
/



http://
www.bluetooth.com/Pages/Fast
-
Facts.aspx



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