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What is 3G?

What is 3G?

3G is the next generation of wireless network technology that provides
high speed bandwidth (high data transfer rates) to handheld devices.
The high data transfer rates will allow 3G networks to offer multimedia
services combining voice and data.

Additional features also include HSPA(High-Speed packet Access) data
transmission capabilities able to deliver speeds up to 14.4Mbit/s on
the downlink and 5.8Mbit/s on the uplink.

3G wireless networks have the bandwidth to provide converged voice and
data services. 3G services will seamlessly combine superior voice
quality telephony, high-speed mobile IP services, information
technology, rich media, and offer diverse content.

What are the Advantages of 3G?

3G networks offer users advantages such as:

· New radio spectrum to relieve overcrowding in existing systems.

· More bandwidth, security, and reliability.

· Interoperability between service providers.

· Fixed and variable data rates.

· Always-online devices. 3G will use IP connectivity, IP is packet based (not circuit based).

· Rich multimedia services.

Apple's iPhone 3G

What are Some Disadvantages of 3G?

There are some issues in deploying 3G:

· The cost of upgrading base stations and cellular infrastructure to 3G is very high.

· Requires different handsets and there is the issue of handset availability.

· Base stations need to be closer to each other (more cost).

· Tremendous spectrum-license costs, network deployment costs, handset subsidies to subscribers, etc.

· High power requirements.


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Bijendra Narsinghani

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