The Door To the Internet Is Just Opened - The Future Technology Of Wifi

The Door To the Internet Is Just Opened - The Future Technology Of Wifi


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How did the most widely used WiFi technology for Internet access evolve today?


There is no doubt that WiFi technology, which came into existence only two and a half decades ago, is the most widely used technology for accessing the Internet today. Every electronic device produced today is fully capable of being connected to a WiFi service; Whether it's laptops, desktops or tablet computers, so-called 'smart' devices (such as mobile phones, TVs, printers, etc.) or even a variety of devices connected to the Internet of Things. More than 300 crore WiFi-enabled devices have been manufactured in the last one year alone, reflecting the urgency and popularity of WiFi services in the digital age.


Another reason behind the popularity of WiFi is the universal availability of this service! Today, we use WiFi at home, in the office, but in developed countries, there is no public place where the service is not available for free. In India too, this service is widely used today in many cities, at railway stations or in trains, at airports, in restaurants. The WiFi service is a boon just like the cellular service for staying connected to the internet, exchanging information on a personal or business level. Unfortunately, in the information age, when a technology becomes available for free or at a very reasonable price, new challenges arise in terms of security and privacy.


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What kind of private information is transmitted to the Internet when you connect your laptop or mobile phone to WiFi? How much security of such information is guaranteed by the WiFi service provider? Are you, as a user, expected to be disciplined when taking advantage of private or public WiFi service? Before confronting these questions, it is important to understand the intricacies of WiFi technology; Because it is against that background that we have to find the answers to the above questions.

 WiFi with Full Advanced Information

WiFi with Full Advanced Information


WiFi is a technology for wireless messaging using radio waves. In 1997, the Institute of Electrical and Electronics Engineers (IEEE, pronounced as "I-Triple E" due to the three 'E's)) developed the rules for the use of WiFi technology, a leading US organization that sets standards for various technologies in the field of electricity and electronics. Also called '802.11' in technical language. Subject to these rules, any company or organization may manufacture equipment used in the WiFi ecosystem.


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Initially, the technology was referred to as '802.11', as its name implies. Over the next two years, as the technology became more popular, the need to rename it attractive and memorable began to emerge. In August 1999, i-Triple E chose the word "WiFi" from its consultants' proposals, and the technology received a separate name. There is also an opinion that WiFi is an acronym for 'Wireless Fidelity'. But this assumption is not true, as I-Triple E explained later.


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Let's take a brief look at how WiFi technology works (see figure). The WiFi antenna in these devices helps you to connect to the WiFi service through devices like laptops, mobile phones (called 'stations'). With the help of this antenna, your device can be connected to its WiFi router from 50 to 100 meters. This router is also called 'access point' in technical language and 'hotspot' in dialect. In public places, hundreds of devices are connected to one access point.


WiFi with Full Advanced Information


Even if your device successfully connects to an access point, it is not enough to gain access to the Internet. The access point (usually via Ethernet wires) is connected to a distribution system that provides Internet services to it, called a 'gateway' in technical parlance. In places like airports where thousands of people are using the airport WiFi service at a time, many access points are connected to one gateway. This gateway goes further and connects to the Internet Service Provider (ISP) system and then the Internet service continues to reach all the users connected to the access point smoothly.


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By connecting your phone to a nearby mobile tower, you may feel that WiFi service is similar to a cellular system that provides a variety of services; But that is not so true. The most important difference is that the spectrum used to use WiFi technology is free; Unlike cellular waves, WiFi waves are not auctioned off or require a government license. This means that any company can manufacture the equipment (mentioned in the figure) required to provide WiFi service in accordance with the rules mentioned in the WiFi standards. Such Nikop competition has led to a gradual increase in the capacity of these devices, as well as the overall availability of WiFi services to the customers at very reasonable rates.


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There is at least one hero or heroine behind every success story. In the case of WiFi, such leadership must be given to Michael Marcus, the director of the US Telecommunications Commission (FCC). WiFi technology radio waves which frequently work on a frequency that was actually reserved by the FCC for emissions due to industrial, scientific and medical reasons. For example, emissions from microwave ovens fall into this category. These waves were collectively called 'ISM waves' according to their English initials.


The Future Technology Of Wifi


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While the FCC was monitoring the split waves for various reasons, Marx noticed that the use of ISM soundtracks was almost negligible due to the huge limits on emissions for industrial, scientific or medical purposes, as per government regulations. He was of the view that if radio waves, which were left unused, were allowed to be transmitted without permission under certain rules, it could be used by scientists in the field of telecommunications to innovate in the field of communication.


Marx immediately embraced his idea on the FCC board of directors and the FCC allowed the open use of ISM waves. When i-Triple E released the first version of the WiFi Standard (802.11) in June 1997, the organization preferred to use unlicensed ISM waves for WiFi technology to contribute to the universal use of the Internet and encourage the emergence of innovative ideas in the field. Was given. In 1997, the maximum speed of WiFi service was limited to two Mbps (1 Mbps = 1 million bits per second). In today's age of gigabits per second, this speed will feel like a bullock cart; However, it should be noted that only two years after the commercial use of the Internet began in 1997, WiFi technology was at least 20 times faster than the dial-up technology available for the Internet at that time (in which the copper wires of landline phones were used to transmit information).


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WiFi technology hasn't looked back since. The technology became increasingly popular due to the unlicensed availability of soundtracks, the open structure of the technology, the extremely low energy required for the transmission of information, and therefore the non-radiation hazard. Even today, all the 'smart' devices connected to each other on the web are WiFi-enabled and use the same technology mainly for messaging.


The author is an expert in the fields of information and technology, open source, security and privacy, as well as digital transformation.

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