Forum Discussion
Altera_Forum
Honored Contributor
11 years agoBPSK Demodulation
Hello again, I am still struggling with BPSK demodulation :) OK, now I am trying to implement Costas Loop for carrier synchronization, which involves Inphase and Quadrature Phase paths. Inpha...
Altera_Forum
Honored Contributor
11 years agoA true Rx down converter has several front end functions such as clock recovery and carrier tracking.
carrier tracking has two components (frequency and phase). the nominal tx freq is used at rx to downconvert to dc and the the phase must also be locked at localrx nco. If you are not concerned about frequency but only phase (e.g. for demo) then your very first design of cos*sin should do.