Brian Dixon, Amy Dobs

klapdorothypondΚινητά – Ασύρματες Τεχνολογίες

24 Νοε 2013 (πριν από 3 χρόνια και 10 μήνες)

68 εμφανίσεις

DeVry

University

Professor Noah
Horwitz


Jean King, Igor
Kukharenko
,
Thilanga

Indrasena

Brian Dixon, Amy Dobs


System used for communication over radio
waves


Used for:


Conversation



Email


Transmitting audio and video


GPS location services


Browsing the internet


Also used for communication between
computers

Wireless networks basics



Functions on grids dividing cities or regions
into smaller sections or cells



Cells use radio frequencies to provide
service to a particular area



A wireless antenna at each cell base
station links callers to the phone, internet,
or some other network


Wireless network basics (cont’d)


Looks for signal confirming service



Weaker signals are passes off to
antenna with stronger signal



A wireless antenna at each cell base
station links callers to the phone,
internet, or some other network

History of Wireless Communications


First wireless communication networks
used in pre
-
industrial age


1838
-

Samuel Morse invented telegraph


Government licensing began and first
amateur transmitter set up in 1909


1985 FCC authorized use of ISM bands
for public use allowing development of
wireless LAN



Cellular History


First mobile telephone service introduced
to public in 1946


1950’s and 1960’s Cellular concept was
developed by AT&T Bell Laboratories


1983 First analog cellular system
introduced


1984 FCC increased spectral allocation for
cellular use


1990’s Second generation cellular phones

By Igor
Kukharenko

Federal Government


20 Years ago Federal Started Information
Infrastructure


United States Play a big role in Research


Role of Globalization

Government Role



Administration of President Clinton


FCC and their approval of wireless frequencies


Wi
-
Fi and it’s effect on economy.

Network



LTE network Progress


Comcast as Internet Provider


Network Traffic control by Comcast


AT&T legal conflict with Google


Google Violations

Health Effect/Danger


Radiation from use of cellphone


Non
-
ionizing radiation


Doctor
Devra

Davis conclusion

Psychological Consideration and
Media Influence



By Thilanga Indrasena


Development of this technology


Human interaction to this technology


Psychological needs of this technology


Psychological Effects


How this technology has change our society


What has led this technology to develop


Who will benefit from this technology



Sociological Effects


United States and other nations


Vocabulary from this technology


Innovation


Cultural Considerations


How artists and musicians react to this
technology


How this technology aid media


How do people share humanity with this
technology

Artistic Links

Google
Images


T
HE

F
ACTS


Wireless Communications Utilize


Radio Frequencies (RF)



RF’s Emit Electromagnetic Energy


Electromagnetic Energy is known



to be dangerous

Javad,K
, 2012, askkia.com

T
HE

S
TUDIES

AND

S
TANDARDS


World Health Organization


International Commission on Non
-
Ionizing Radiation
Protection


Federal Communications
Commision


Claims of Safety with the Current Standards




Bio
-
Initiative Working Group


Studies showing toxic effect from Cell Phone use


Google images

S
KEPTICISM

:

Warnings From
Manufacturers

Apple iPhone 4

"When using iPhone near your body for
voice calls or for wireless data
transmission over a cellular network,
keep iPhone at least 15 mm (5/8 inch)
away from the body, and only use
carrying cases, belt clips, or holders that
do not have metal parts and that
maintain at least 15 mm (5/8 inch)
separation between iPhone and the
body"


BlackBerry 9000

“the
radio
-
frequency energy exposure by
carrying the phone outside a holster and
within 0.98 inches (2.5 cm) of your body
violates the Federal Communication
Commissions guidelines
.”

Motorola
W180

“keep
the active device one full inch
away from their body, if not using a
company
-
approved

clip
, holder, holster,
case or body harness
."

Scherer,M
, 2010

Scherer,M
, 2010

Scherer,M
, 2010

Javad
, K
2012, askkia.com

Radiation From Cell Phone Penetrating
Human Skull

S
UMMARY

OF

H
EALTH

H
AZARDS

A
RGUMENT


Research Showing Safety


Government Standards


Non
-
Ionizing energy = non harmful


Research Proving Dangers


Inconclusive Testing


Manufacturers Warnings


Major Loss of Funds

Supporters

Skeptics

Ethics are

morals

&

values

that

are put

to a test!



Negative

Making ethical
decisions mean
you sometimes
have to put
others before
yourself.

Remember that it goes to the



Any
questions
?