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From: | Tom Rondeau |
Subject: | Re: [Discuss-gnuradio] (no subject) |
Date: | Fri, 04 Jul 2008 08:31:32 -0400 |
User-agent: | Thunderbird 2.0.0.14 (X11/20080505) |
matteo zunino wrote:
Hi,I'm working on put differents modulations in differents carriers. i've implemented my project, modifying Ofdm.py and the sorces gr_ofdm_mapper_bcv.cc and gr_ofdm_frame_sink.cc. Now i've a doubt. The benchamrk simulation go correctly. how can i see if the program did the right demodulation (it did it taking informations from vector rotated const that i puts with different modulation)??Thank a lot Matteo
We have provided a gr_plot_ofdm.py tool to visualize the results (you'll find it in the gnuradio-examples/python/ofdm directory). With the different modulations per subcarrier, the display is going to look a bit odd, but it should show you that at least something is going on. You could modify this code to distinguish the constellation per subcarrier somehow.
Tom
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