2. 3G stands for 3rd
Generation Technology
It is radio communication technology
Provides high speed browsing on INTERNET
Provides high speed data transfer
It enhance mobility in our lives
13. FEATURES OF 2.5G AND 2.75G
• Send/receive large email messages
• Web browsing
• Navigation/maps
• New updates
•Speed 64-144kb/sec
14. • 144kb/s or higher in mobility(vehicular) traffic
• 384kb/s for pedestrian traffic
• 2Mb/s or higher for indoor traffic
• Standardized call detail recording
• Capability to conclude geographic position of mobile phones
• Fixed & variable rate bit traffic Bandwidth on demand
• Multimedia mail store and forward
• Asymmetric data rates in the forward & reverse links
15. • Launched in Japan by NTT DoCoMo on 1st
Oct 2001
• In Jan 2002, 2nd
Network was launched by
SK Telecom in South Korea
• 1st
commercial network in Europe was opened by
Telenor in Dec 2001
• 1st
commercial United States 3G network was by
Monet Mobile Networks, on CDMA2000 1xEV-DO technology
• In Dec 2007, 190 3G networks were operating in 40 countries
According to the Global Mobile Suppliers Association (GSA)
• In Asia,Europe,Canada & the USA, telecommunication companies use
W-CDMA technology with support of 100 terminal designs to operate 3G network
16. • Roll-out of 3G networks was delayed in some countries by enormous costs
of additional spectrum licensing fees.
• By June 2007 the 200 millionth 3G subscriber had been connected
• Out of billion mobile phone subscriptions worldwide this is only 6.7%
• In countries where 3G was launched 1st
–Japan & south Korea– 3G penetration is
over 70%
• The 1st
African use of 3G technology was a 3G video call made in Johannesburg
on the Vodacom network in Nov 2004
• T-Mobile, a major Telecommunication services provider has recently rolled out a
list of over 120 U.S cites which will provided 3G Network coverage in year 2009
• Mahanagar Telephone Nigam Limited (MTNL) is the 1st
Mobile operator in India to
launch 3G services.
17. • As compared to 2G; predecessor of 3G,has
greater and superior level of security is
offered to the users
• Replacement for the older A5/1 stream cipher,
3G uses KASUMI block crypto
• Enhanced protection is offered to users,&
their data can remain safe & out of reach of
impressionists
18.
19. • Countries complain that very expensive input fees
attached to the 3G
• 3G mobile handsets are expensive and hard to
afford
• Currently, there is lack of user need for 3G voice&
data services in mobile phone
• lack of coverage is being noticed, as it is a fresh
service yet
20. • 3GPP & 3GPP2 are currently working on further
extensions to 3G standards, named Long Term
Evolution & Ultra Mobile Broadband, respectively
• On Dec 14,2009 Telia Sonera announced in press
release that “We are very proud to be the 1st
operator in
the world to offer our customers 4G services”
• With launch of their network, initially they are offering
services in Stockholm, Sweden & Oslo, Norway.