Re: [Discuss-gnuradio] Benchmark_rx problems

[Eric Blossom]

On Wed, Jan 21, 2009 at 05:10:07PM +0200, Pedro Sánchez Canal wrote:
> 

> Hi, I'm trying to establish my first connection between two
> computers using two USRPs. As I have read, there are some example
> programs that allow you to do it in an easy way in order to
> understand the basics of gnuradio work. I have used Benchmark_tx and
> Benchmark_rx but I haven't had any success. The two computers are
> connected through a coaxial wire and I have also a oscilloscope
> connected between then to check if everything is ok.

Try following the README in gnuradio-examples/python/digital/README
and pay particular attention to the part about using an antenna and
the keeping them 3m apart.  If you're going to try it with a piece of
coax, you'll most likely need an attenuator.

> python benchmark_tx.py -f 90M

If you're using basic Tx and Basic Rx daughterboards, try using -f 10M

> Could you help me please?? Have you got a detailed doc about how
> benchmark_rx, benchmark_tx, receive_path, transmit_path and pkt
> work???

Sorry, there's no docs on how they work.  
Have you tried taking a look at the code?

Eric