Bluetooth.

Do you remember those days when the Android or iPhone mobiles are not so much famous or not generally used by people that was the time of keypad devices in which if we want to share data from one device to another the famous and mostly used method was Bluetooth.

Bluetooth has been used for many years and now also in the time or very advance Smartphones Bluetooth is used.
So, do you know how Bluetooth works, in this article we will know about it?

What is Bluetooth?

Bluetooth is a short-range wireless communication that allows devices such as mobile phones, and computers, to transmit data wirelessly over a short distance from one device to another. 

The purpose of Bluetooth is to replace the cables that normally connect devices, while still keeping secured communications between them.

Now it is time to know how the magic is done and how wirelessly the data is transferred via Bluetooth.

How Bluetooth works?

Bluetooth devices are managed using a topology known as a "star topology". A group of devices synchronized in the way forms a piconet(It is like an ad hoc network), which contains one master and the active slaves,  In a piconet, the physical radio channel is shared by a group of devices that are synchronized to a common clock and frequency-hopping pattern, with the master device which provides the synchronization references.

For example:- The master device is your mobile phone and all of the other devices like your headphones, MP3 player, car stereo, etc.

If we go in deeper then we know that all devices in a piconet use a specific frequency pattern, which is the different algorithmically determined by the master device. Generally, the frequency hopping pattern is an of the 79 frequencies in the ISM(Industrial Scientific and Medical)  band.

That is all about Bluetooth in this article we know about the Bluetooth and its mechanism of working.
I hope you understand Bluetooth.


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