D8PSK Receiver with USRP1s

Hi all,

I am using benchmark_tx.py and benchmark_rx.py with USRP1. I am using
d8psk
as the modulation scheme. Initially I was not able to receive any
packets.
So I looked up the mailing list and found a patch for
gr_mpsk_receiver_cc.cc
and some information about the parameters --costas and --gain-mu. I made
those changes and ran the above program again and was able to receive
all
the packets but none of them were decoded correctly. I have tried it
many
times using different data rates. I am using the latest GNURadio
revision
fcf9efa7. I would appreciate if someone who has been able to receive the
packets correctly using d8psk can help me.

I was also wondering when the demodulation block for qam would be added
to
the GNURadio revision.

Thanks,
Smith

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