What is a MFSK?
Multi level frequency shift keying -
A way of increasing the frequency levels to increase the data speed
The number of frequency levels and I am MFSK is always…?
Binary
2 to the power of 4 would have how many levels
16
Disadvantages?
Noise is increased with each increase of number of levels
Can drift due to narrow spacings
Need more complex receiver and transmitter for processing
Advantages?
Higher information rate
Variable information rate