4G Communication Systems

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Transcript 4G Communication Systems

4G Communication Systems
Emin Sharifov
Introduction
• 4G, also known as
Beyond 3G, is a term
used to describe the next
step in wireless
communications
• Provides comprehensive
IP solution where voice,
data and streamed
multimedia can be given
to users on an "Anytime,
Anywhere" basis
• 4G will be a fully IP based
integrated system
Evolution of Communications
Networks
• First Generation: An analog system where voice was
considered to be the main traffic
• Second Generation: All standards in this form are
digital in form(GSM, IDEN)
• 3G: The systems in this standard are essentially a
linear enhancement of 2G systems
– 2.75 G; 3G; 3.5G; 3G post
• 4G: the infrastructure and the terminals of 4G will
have almost all the standards from 2G to 4G
implemented
Objectives
• High network capacity: more simultaneous users per
cell
• A data rate of at least 100 Mbit/s between any two
points in the world
• Seamless connectivity and global roaming across
multiple networks
• High quality of service for next generation
multimedia support
USERS OF 4G
• The Japanese company NTT DoCoMo has been
testing a 4G communication system prototype and is
planning to release the first commercial network in
2010
• Digiweb, an Irish wireless broadband company
recently started to use it
• Verizon Wireless and Vodafone are getting together
to establish 4g networks soon.
• Sprint also announced that it is going to launch it in
2008
Any questions??
• http://youtube.com/watch?v=bSWm5zvsJOc&
feature=related