Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

OFDM using DSP Builder

Hi, I'm trying to implement a simplistic (4 channel) QPSK OFDM transmitter/receiver using Altera's DSP Builder and Megacore IP in Simulink. Let me just mention that I have very basic knowl...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi,

little left to play around.

Check that scaling is indeed as stated in the documentation

Round up your results, just in case:

symbols = round(inputScale * symbols); % scale the input

check that altera fft doesn't centre output on dc(Matlab doesn't centre, it nees fftshift to centre it..)

kaz