In the rear of the advent of wireless communication concept with the devising of radio by Italian Guglielmo Marconi in 1895, the concept of cellular communication flourished. Telegram and the telephone played a vital role in communication prior to the dusk of the 20th century. But the disadvantage was that it's cipher was easy to decipher. Then time passed and men's intellectuality led them into the Era of 5G technology.
The origination of micro-processors escorts changes in wireless communication. In the 1970s, commercial mobile communication was based on radio telephones, installed basically on vehicles, being in the possession of a central antenna per city on which 25 channels were connected and was not able to get implemented at a mass level because of frequency limitations.
The 1G technology approach, in which the specific geographical areas are considered as cells having a base station. So that everybody could use the same frequency. But it was analog and susceptible to security infringement. Without encryption, signals could be received by all radios calibrated to that specific frequency. A need to advance this system was felt by service providers and then 2G emerged.
The European Telecommunications Standard Institute was founded in 1988 by some organisations and companies. As a result of their joint efforts, 2G was launched. Unlike 1G, it was based on digital and provided much higher security because of encryption and much higher efficiency in utilization of spectrum because of data compression. It also opened the door for SMS services & Internet access later on. Services provide data downloads at a speed of 10kbps and, later on, 20kbps and downloads are still widely used because of their affordability. But where can men stop? In the late 1990s, 3G came with the advent of pocket computers i.e mobile phones to make phones more internet friendly. 3G was launched with broadband data connectivity and download speeds of 3.1mbps.
At the dawn of the 21st century, it was thought to modify 3G mobile networks by reducing delays in establishment of connection and transmission of data and also to provide higher data speeds. To fulfill these goals,4G was released. It's first commercial service commenced in 2009 in Europe.
With the advancement of telecommunications networks, it can't be forgotten how smart phones or iphones came into one's pocket. As networks evolved, cell phones evolved from brick mobiles to touch screen smart phones. Pre 1998,the richest people owned mobile phones and most of them hardly used them. During the period of the 1980s-2000s, many things were evaluated so there became a need for evolution in mobile. Nokia and LG were common at that time. But now the age of smartphones has come.
Now, if 4G and smartphones of today are compared with the pigeon and cipher of before so it comes to one's mind how much mankind has progressed and there is still not a full stop on smartphones. The Artificial Intelligence (AI) and machine learning technologies are disclosing mysteries at a rocket's pace. Things have gone much rapidly and easier. Telecommunication has flourished and transformed the world into a Global Village.
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