What is 4G Systems in mobile communication ?

Keyword:

4G Systems ,mobile communication

4G - an abbreviation for Fourth-Generation, is a term used to describe the next
complete evolution in wireless communications .(also known as Beyond
3G).

(LG-KC1 WiBro 4G Smartphone)

It describe wireless mobile radio
technologies that offer faster data rates than current 3G (third
generation) technologies.4G networks are also more data-centric
and based on standard Internet technologies such as IP. Voice service
is typically provided using a special form of VoIP..

WiMAX and LTE are examples of 4G technologies.

A 4G system will be able to
provide a comprehensive IP solution where voice, data and streamed multimedia
can be given to users on an "Anytime, Anywhere" basis, and at higher
data rates than previous generations.it is expected that end-to-end IP and high-quality streaming video will be among 4G's distinguishing features.

4G is being developed to accommodate with forthcoming applications like wireless
broadband access, Multimedia Messaging Service (MMS), video chat, mobile TV, HDTV content, Digital Video Broadcasting
(DVB) etc.

The fourth generation cannot be an incremental evolution of
current 3G technologies, but rather the total replacement of the current 3G
networks and handsets. The international telecommunications regulatory and standardization bodies are working for commercial deployment of 4G networks
roughly in the 2012-2015 time scale. At that point it is predicted that even
with current evolutions of third generation 3G networks, these will tend to be
congested

Reference: Wikipedia