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Q.

How does bluetooth work?

Tags: electronics, mobiles, computers & internet
Asked by INDU, 23 Sep '10 10:00 am
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Answers (3)

 
1.

The technical details of Bluetooths function are very complex, and are best studied in detail in the PDF-format documents that can be found on the Bluetooth website. But, superficially speaking, Bluetooth uses frequency hopping in timeslots. Bluetooth has been designed to operate in noisy radio frequency environments, and uses a fast acknowledgement and a frequency-hopping scheme to make the communications link robust, communication-wise. Bluetooth radio modules avoid interference from other signals by hopping to a new frequency after transmitting or receiving a packet. Compared with other systems operating in the same frequency band, the Bluetooth radio typically hops faster and uses shorter packets. This is because short packages and fast hopping limit the impact of microwave ovens and other sources of disturbances. Use of Forward Error Correction (FEC) limits the impact of random noise on long-distance links. The Bluetooth baseband protocol is a combination of circuit and packet sw ...more
Answered by sumati gayki, 23 Sep '10 10:06 am

 
  
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2.

As wireless connection
Answered by dhanendra kumar jain, 23 Sep '10 10:06 am

 
  
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3.

It receives data from limited distance
Answered by priti kaur, 23 Sep '10 10:02 am

 
  
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