From Ae Ji O Ji to 5G

Updated: Jan 26

https://www.digi.com/blog/post/2g-3g-4g-lte-network-shutdown-updates

All of you must be familiar with the song "My name is Lakhan" from the superhit movie 'Ram Lakhan', which lyrics presents 4-Gs (i.e., Ae Ji, O Ji, Lo Ji & Suno Ji). This song lyrics was a hit meme material in 2019 to represent the 2G, 3G, 4G & 5G wireless network technologies.


But have you ever tried to know more about these networks? In this blog article you'll find out what is this technology and how it was developed over the years.


The first commercially automated cellular network (the 1G ‘Generation’) was launched in Japan by Nippon Telegraph and Telephone (NTT) in 1979, initially in the metropolitan area of Tokyo. In 1981, the NMT system simultaneously launched in Denmark, Finland, Norway and Sweden. NMT was the first mobile phone network to feature international roaming. The radio signals used in 1G was analog and was later replaced by 2G with digital radio signals.


2G cellular networks were commercially launched on the GSM standard in Finland by Radiolinja in 1991. 2G technologies enabled the various networks to provide the services such as text messages, picture messages, and MMS (multimedia messages). With General Packet Radio Service (GPRS), 2G offers a theoretical maximum transfer speed of 40 kbit/s and with EDGE (Enhanced Data Rates for GSM Evolution), there was a theoretical maximum transfer speed of 384 kbit/s. The 2G network was subsequently upgraded to 2.5G and then 2.75G (EDGE).


3G is the third generation of wireless mobile telecommunications technology. It was the upgrade for 2.5G GPRS and 2.75G EDGE networks, for faster data transfer. 3G networks support services is able to provide an information transfer rate of at least 144 kbit/s. Later 3G released, 3.5G and 3.75G (3G H+), also provide mobile broadband access of several Mbit/s to smartphones and mobile modems.


4G/ 4G LTE is the fourth generation of broadband cellular network technology, succeeding 3G & 2G. 4G technology builds upon what 3G offers but does everything at a much faster speed. It has improved speed, low latency and crystal-clear voice calls. Standard 4G LTE is around five to seven times faster than 3G, offering theoretical speeds of up to around 150Mbps. 4G LTE is the most used network in India, it became popular after Reliance Jio started its unlimited plan with free Jio sim.


Now it’s the age of 5G. 5G is the fifth-generation technology standard for broadband cellular networks, which cellular phone companies began deploying worldwide in 2019. The main advantage of the new 5G networks is that they will have greater bandwidth, giving higher download speeds, eventually up to 10 gigabits per second (Gbit/s). The cellphone companies like Samsung, Apple, Lenovo, MI, Huawei, etc.; have already developed new 5G enabled smart phones which are now available for customers.


A detailed description of the network speeds:


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