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Can we use FSK modulation with OFDM?

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darock

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Can we use FSK modulation with OFDM?

Sounds tricky..any ideas pls
 

Re: OFDM and FSK

Hi

it is possible to use FSK as the modulation scheme in OFDM systems implemented using IFFT/FFT.

the trick is to use two subcarriers (in the case of binary FSK) for carrying the data
and in the IFFT implementation we could set the coefficient of these to subcarriers accordingly.

but it seems not to be an efficient approach.


regards
 

    darock

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Re: OFDM and FSK

but fsk is mainly for noncoherent detection..
whats the use of having two subcarriers when you cannot perform noncoherent detection?
 

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