4G Technology

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4G also called as Fourth-Generation Communications System, is a term
used to describe the next step in wireless communications. A 4G system
can provide a comprehensive IP solution where voice, data and streamed
multimedia can be provided to users on an "Anytime, Anywhere" basis.
The data transfer rates are also much higher than previous
generations.

The main objectives of 4G are:

1)4G will be a fully IP-based integrated system.

2)This will be capable of providing 100 Mbit/s and 1 Gbit/s speeds
both indoors and outdoors.

3)It can provide premium quality and high security.

4)4G offer all types of services at an affordable cost.

4G is developed to provide high quality of service (QoS) and rate
requirements set by forthcoming applications such as wireless
broadband access, Multimedia Messaging, Video Chat, Mobile TV, High
definition TV content, DVB, minimal service like voice and data, and
other streaming services.

4G technology allow high-quality smooth video transmission. It will
enable fast downloading of full-length songs or music pieces in real
time.

The business and popularity of 4Gmobiles is predicted to be very vast.
On an average, by 2009, this 4Gmobile market will be over $400B and it
will dominate the wireless communications, and its converged system
will replace most conventional wireless infrastructure.