M-ARY FREQUENCY-SHIFT KEYING

Communications Systems Glossary

Communications Systems — Modulation — Frequency shift keying — M-ary frequency-shift keying

 

 

 

 

 

 

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Information on M-ary frequency-shift keying (M-ary FSK)

In binary frequency-shift keying (binary FSK or BFSK) carrier is shifted between two frequencies. A convenient way of trading bandwidth for signalling speed is to increase the spread between the lowest and highest frequency (increasing the bandwidth) but to increase the signalling speed by extending the number of frequencies to a number M. Such a system is called an M-ary frequency-shift keying system.


Other topics in our resources on Communications Systems related to M-ary frequency-shift keying include: 
 
  • Frequency-shift keying (FSK)
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  • binary frequency-shift keying (BFSK)

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