Hi Martin:
Thank you for your kindly reply.
Another question I want to ask.
When I use the rx_ofdm,I add a UHD:USRP Source.(Environment:
USRP N210)I know when the block Schmidl &Cox OFDM synch. detect the signal,the
port "detect" will output 1.And I test it.I use the rx_ofdm when I don't use
the tx_ofdm.It means that no signal exist.But I find 1 in the port
"detect".Why?When no signal exist,it should output 0.Why I see 1 from it?
Thank you so much.
Best regards,
xd
At 2014-07-14 04:37:37, "Martin Braun" <[email protected]> wrote: >On
07/13/2014 01:06 PM, xianda wrote: >> Hi all: >> Have you ever using the >>
gnuradio/gr-digital/examples/ofdm/rx_ofdm.grc?And I change the >> rx_ofdm.py as
follows: >> self.connect((self.digital_ofdm_chanest_vcvc_0, 1), >>
blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'channel-estimate.dat')) >>
And i use the matlab: > >Please read the fine manual:
>http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1ofdm__chanest__vcvc.html#details.
> >The channel estimate is on a tag. > >M >
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