FSK signal generates from USRP continuous live streaming example. When generating a frequency-shift keying (FSK) signal using a USRP (Universal Software Radio Peripheral) for continuous live streaming, I observe fluctuations (ON/ OFF) in the signal at high symbol rates.
FSK generate parameter:
Symbol rate = 10MS/s
samples per symbol = 16
FSK deviation = 5Mhz
MFSK = 2
PN sequence order = 9
Gaussian parameter:
Filter length = 8
BT = 0.5
Why signal fluctuations at a high symbol rate and how to resolve it?