The RRC taps have a sample rate of 32 and the grc file shows samp_rate set to nfilts.
On Wed, Jun 24, 2020 at 6:38 AM Grace Huang <gracehuang1...@gmail.com> wrote: > Hi all, > > I'm trying to pass a text file through with a simulated channel model > modulated with BPSK. I'm having an issue with not getting any data written > on to the text file at the file sink. > > I passed a txt file in with file source block, followed by packet encoder > then modulate it with BPSK before passing through the channel model. After > that, I used polyphase clock sync, CMA equalizer and costa loop to minimise > frequency, noise and time offset and distortion. Finally I proceeded to use > constellation decoder, differential decoder, unpack K bits and packet > decoder before passing it to file sink. > > The exact flow graph can be found on GitHub here: > https://github.com/wei1006/HAB > > Are there steps that I've missed out or done wrongly? > > Please advise > > Thank you, > > Grace >