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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 agolooking back at my file it seems I have not completed the loop. (or left it open for some reason).
You will need the final value of carrier to loop back and reapply to input (update input). Thus the second sample when i = 2 will come from new updated vector coming from mixing carrier with signal and so on. Thus I update whole vector each time. This may not very efficient as you can update one sample at a time as well.