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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 agoI am sorry, it's my mistake... I didn't mention that after multiplication there is CIC filter... before RRC.
So these are the waveforms: https://www.alteraforum.com/forum/attachment.php?attachmentid=10365 Basically, I am trying to design this loop: https://www.alteraforum.com/forum/attachment.php?attachmentid=10366 Instead of LPF, I used CIC filters, as they do filtering and decimation at the same time. Am I wrong? You are right, RRC has nothing to do with Costas Loop.