mobile technology
TRANSCRIPT
M. KarthiyayiniB.E (CSE)
Sri Eshwar College of Engineering
1G WIRELESS TECHNOLOGY
1970’s Analog signals Voice facility Frequency typically 150MHz & above
Poor voice quality Poor battery life Large phone size No security Frequent call drops Poor handoff reliability
Early 1990’s - EuropeGSM Voice & Data services
GSM – Connection Oriented Technology
Bandwidth Digital signals Data rate Video
3G – Multimedia
Applications
ITU
Packet & Circuit
switching
3G technology has taken the gaming to the next level.
Real-time multiplayer gaming is possible in 3G system.
Innovative new services are being added by developer daily.
Not simply rebroadcast of TV or website.
live streams voting
User interaction on multiple levels.
For customer
Video streaming , TV broadcast Video calls , video clips- news , music , sports Enhanced gaming , chat , location services…
For Business
High speed Tele-working / VPN access Sales force automation Video conferencing Real-time financial information
High usability: anytime, anywhere and with any technology.
Support for multimedia services at low transmission cost
Higher bandwidth , tight network security.
The equipment is still very expensive. Carriers and providers have to plan carefully to
make sure that expenses are kept realistic.
By M. Karthiyayini
B.E (CSE)Sri Eshwar College of Engineering