The Bluetooth is a wireless technology, used for transferring the data from one device to the other device. The distance between the two devices is very short from the fixed, mobile device and building personal area network. The Bluetooth technology is developed by the Bluetooth special interest group and its physical range is from 10m to 100m. The Bluetooth device can connect up to seven devices and it is used in the industry like smartphones, personal computers, and gaming consoles, etc. The IEEE standardized Bluetooth as IEEE 802.15.1, but the standards are maintained for short periods.
What is a Bluetooth Technology?
The Bluetooth technology is a wireless technology, it is used to transfer the data between the different electronic devices. The distance is very less to transfer the data between the two electronic devices. This technology does not require any cables, cords, and adapters to communicate with other devices.
Working of Bluetooth
The Bluetooth network has a personal area network or piconet which contains 2-8 Bluetooth peer devices, generally a single master and up to 7 slaves. A single master is a Bluetooth device, it communicated with the other devices. It has governed the communication link & traffic between itself and slave devices are associated with it. The slave device is also a device and it is responded to the master devices.
Slave devices are required to synchronize their transmit/receive timing with that of the masters. In addition, transmissions by slave devices are governed by the master device. Speciﬁcally, a slave may only begin its transmissions in a time slot immediately following the time slot in which it was addressed by the master, or in a time slot explicitly reserved for use by the slave device.
The frequency hopping sequence is defined by the Bluetooth device address (BD_ADDR) of the master device. The master device first sends a radio signal asking for a response from the particular slave devices within the range of addresses. The slaves respond and synchronize their hop frequency as well as the clock with that of the master device.
Different Versions of the Bluetooth
The following table shows the different versions & its specifications of the Bluetooth technology.
|Bluetooth v1.0 to v1.08|
Mandatory Bluetooth hardware device and address
|Bluetooth v1.1||IEEE standard 802.15.1-2002|
|Bluetooth v1.2||Faster connection|
|Bluetooth v2.0+EDR||Enhanced data rate|
|Bluetooth v2.1||Secure simple pairing|
|Bluetooth v3.0||High-speed data transfer|
|Bluetooth v4.0||Low energy consumption recently used in apple I – phone 4s|
Different Types of Bluetooth Technology
The following are the classification of the Bluetooth technology
- Bluetooth headsets
- Stereo headset
- In- car Bluetooth headset
- Bluetooth-equipped printer
- Bluetooth enables webcam
- Bluetooth keyboard
- Bluetooth GPS device
Generally, we see this type of headsets on the mobile phones or smartphone. The headset enables you to make or receive the calls on your mobile phones without using any hands & wires. The headsets are repaired with the voice reorganization, therefore it can dial & talk without using your mobile headset.
The working of the stereo headsets is same as the traditional headset without using any wires. This type of headset is connected to the music players to hear the music from our mobile or smartphone by using wireless communication. The distance range between the stereo headset & smartphone is very less. This headset also works with the Bluetooth equipped mobile phones.
In – Car Bluetooth Headset
In the cars we observe the music player system, it is connected to the mobile Bluetooth system wireless. With the help of the car speaker system, we can receive and make the calls. Without using a mobile device.
Bluetooth Equipped Printer
The Bluetooth equipped printers are the printers which can print the text documentation & pictures from any Bluetooth device. The Bluetooth devices are like laptops, PDA, print the data without using any wires. The devices are synchronized and they are in the range to connect to the printers.
Bluetooth Enabled Webcam
The working of the Bluetooth enabled webcam is same as the traditional webcam. They are connected wirelessly. The wireless capabilities add mobility to the device, unlike traditional webcams, which remain docked onto or near the computer.
Bluetooth GPS Device
The GPS device with the Bluetooth technology is an improvement in the traditional GPS. This device is communicated through the voice. If we speak or mention the address in the GPS, on the screen, it can get the directions to the address and also there will be voice direction.
The Bluetooth keyboard works without the help of the wires connected to the device to a computer or a laptop. This Bluetooth device is also working for the mobile phones or smartphone devices.
Applications of Bluetooth Technology
- The transfer of files like images, mp3 audio is very easy in the mobile phones
- A little amount of bandwidth is needed for the wireless networking between the laptops and desktop computers
- All the peripheral devices are like mouse, keyboard, printers, speakers, etc. are connected to the PC cordlessly
Advantages of Bluetooth Technology
- With the Bluetooth technology, there is an economic solution for the short distance
- There is no setup file to install the Bluetooth, it has an inbuilt software
- Generally, we can see the Bluetooth in the smartphones, music players, speakers and etc
- Global technology specifications are used in the Bluetooth
This article gives the information about the different types of Bluetooth technology and its applications. I hope by reading this article you have obtained some basic information about the types of Bluetooth. If you have any queries about this article or to implement Bluetooth based projects for engineering students, please feel free to comment in the below section. Here is the question for you, what are the functions of the Bluetooth technology.