As the word suggest “Wire Less” means without wire. Wireless Communication Technology is a type of technology in which sender and receiver communicate without using wires as a medium. Instead of wires, radio waves are used as a medium for creating communication b/w them. So calling through your mobile phone to another mobile phone is a type of wireless communication. Similarly, browsing the internet without the cable using WIFI, transferring data from one device to another device using Bluetooth, all are the examples of wireless communication.
In today’s world without communication the world is almost nothing, but do you know communication was much more different in earlier days. Mobile phones were not same as today, Internet access through mobiles was not much efficient as today until wireless communication came into existence.Moreover, the price of the cell phones was too high that an ordinary person was not able to buy the mobile phones. But today scenario is entirely different because of the increasing growth in technology. Nevertheless, the World has seen many growing mobiles technologies in Wireless communication includes 1G,2G,3G,4G and In this article I am going to give you a brief overview of what are 3g,4G,2G,1G technologies and what are the differences b/w them.
Although the invention of the telephone using electric wires solved the problem for communication but as people always want more, the desire to establish communication without using any cable was born. So the result of this desire was a “Wireless Technology” which was just a revolution in communication.
So before going further let me explain what really this technology is?
1G (First Generation), introduced in 1980’s was the very first generation of the wireless technology. It was first started in Japan then gradually it spreads to the different parts of the world. The speed of the 1G technology was up to 2.4kbps (Kilo Bits/Second) which in today’s’ means downloading a 3mb file in almost 200 minutes.There were many disadvantages of 1G mobiles phones like they lacked behind in voice calls with very low quality, network availability was only available within the country, etc.Moreover, very large phones were needed with no special security.
As 1G was lacking behind in many features,2G technology was started in Finland in 1991.Digital signals were used for 2G which assures the strong network availability for the mobile phone users. The another most important features of this technology was the text messaging and MMS service for the first time in cell phones history. 2.5G was the improved version of 2G which overcomes many issues in 2G.In addition to that, Internet access was made available in 2.5G.Its speed was up to 64kbps to 144kbps which means downloading a 3mb file in 6-8 minutes. 2G become so much popular that even today many of peoples in the world uses 2G Cellular network because of it’s cheap and good quality service.
3G refers to 3rd Generation, was started in 2000’s.it’s Standard speed is up to 3Mbps/s but can vary depending on the area 3G coverage.Its speed is almost five times faster than 2G.It enables mobile phones users specifically smartphones users to browse the internet at a rapid speed, downloading large files in less time.Stream Tv/HD videos etc.Although in it’s initial phase, it was not available to most of the countries of the world but gradually the supported countries have increased much, However still today, it is not available in many less developed countries.The biggest disadvantage of 3G is that it needs more power which can reduce battery life.
Refers to 4th Generation,4G technology is the 4th Generation of Wireless Technolgy.The difference between 3G and 4G is speed,4G is ten times faster than 3G and is capable of providing 100 MBps
speed. Similarly like 3g it’s speed also vary in different countries depending on the area 4G coverage.The LTE at the end of 4G stands for Long-Term Evolution, which is the standard for wireless technologies of high-speed data. Some of the features of 4G, includes HD video calling, HD
video streaming and much more.
5g which would be the 5th Generation of Wireless Communication is expected to arrive between 2020-2025.However, South Korea would see a trial of 5G in 2017(expected).
So that was a brief overview of what is wireless communication and what are 3g,4G,2G,1G technologies.Although the world has already seen high-speed internet but the main problem is that as the generation goes forward, the disadvantages become more and more.As 3G and 4G speeds are excellent but they need more and more battery power.More Over they are not cheap as 2G was, that’s why 3G and 4G are still to come in less developed countries.The hope is that 5G would solve all of these problems so that it would be cheaper for anyone use and will be available to the majority of the countries.In addition to that, it should also overcome all the technical problems includes battery power consuming, etc.
So that was enough from my side, now it’s your turn, mentioned your thoughts in comments !