Re: Benchmark-rx/tx.py with QPSK modulation

Hi Boris

I think you need to specify costas-alpha as 0.05 and gain-mu as 0.001 as
your starting point. Hope this would help.

Bill

— On Tue, 5/12/09, Eric B. [email protected] wrote:

From: Eric B. [email protected]
Subject: Re: [Discuss-gnuradio] Benchmark-rx/tx.py with QPSK modulation
To: “Boris Danev” [email protected]
Cc: [email protected]
Date: Tuesday, May 12, 2009, 5:34 PM

On Tue, May 12, 2009 at 03:02:20PM +0200, Boris Danev wrote:

received at all.

Any comments or suggestions will be appreciated. Thank you in advance.

Boris

We’ve fixed some bugs in the mpsk demod since 3.1.3. You could either
try the trunk, or stay tuned for a few more days when we expect to
have the 3.2.0 release out.

Eric

Thank you Bill and Eric.

With the change of the suggested 2 parameters dbpsk and gmsk reception
appears to be stable.
The dqpsk is still not working properly.
I will try the trunk as well. The 3.2 release seems very close :-).

Regards,
Boris

Bill S. wrote:

From: Eric B. <[email protected]>
benchmark-rx.py/bencmark-tx.py 
and ok = 
try the trunk, or stay tuned for a few more days when we expect to


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Boris Danev
System Security Group, ETH Zurich
IFW C 41.1, 8092 Zurich, Switzeland
E-Mail: [email protected]
Phone: +41 44 632 7669
Fax: +41 44 632 1172

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