Tuesday, August 27, 2019

Generations of network.


                 Generations of the network.
Here we’ll illustrate these generations….

First Generation (1G):
The first generation of the network was introduced in the late ’70s and its implementation was during ’80s in 1980 by telecom (today as Telstra).In this analog technology, mobile phones had poor battery life and cheap voice quality. Security was not much good also calls were dropped in this generation. Its speed is a maximum of 2.4 kbps
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Second Generation (2G):
When the network of mobile phones went from 1G to 2G it was a major improvement. There was a good experience in this generation rather than 1G. As 1G was analog, 2G was the digital. Calls drop experience was also better, in fact, there was a good improvement like internal roaming, conference calls, calls hold and SMS. Battery life was too much better that we can use it for a long time. It's maximum speed is 50 Kbps or 1Mbps.its implementation was on the concept of CDMA and GSM.

Third Generation (3G):
This generation was introduced in 2001 commercially. It introduced us so motivative technologies like picture sharing, email, web browsing, video downloading and also smartphone technology. This technology provides us a faster data rate. Its speed is about 384 kbps for mobile and the maximum speed of HSPA+ is 21.6 Mbps. Mobile phone having 3G technology cannot communicate through a 4G network.

Fourth Generation (4G):
Fourth-generation is much advance technology rather than 3G.it provides users a high-speed rate, high quality, and high capacity. This network motivates us by upgrading the technology like IP technology, gaming service, mobile web access, video conference,3D television, high-definition mobile TV, cloud computing. The 2 important 4G standards are WiMAX and LTE.4G is not same as 4G LTE. A phone having 4G network can communicate through 3G and 2G. The maximum speed of the 4G network is 100 Mbps or 1Gbps for low mobility communication.






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