Saturday, December 26, 2009

Is LTE a 4G technology?

Long-Term (Radio) Evolution or LTE is also part of 3G technology. Its a 3GPP research item for Release 8. Its also known as 3.9G or “Super 3G” by some researchers. Its planned to be commercialised in 2009. It aims at peak data rates of 200 Mbps (DL) and 100 Mbps (UL).

Super-3G' is an intermediate stage between 3G and 4G. In this stage the operators are planning to achieve data rates upto 100Mbps when travelling at speeds upto 100Kmph.

The entire network would be packet switched (IP based). All switches would be digital. Higher bandwidths would be available which would make cheap data transfer possible. The network security would be much tighter. Also QoS will imrpove. More effecient algorithms at the Physical layer will reduce the Inter-channel Interference and Co-channel Interference.

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