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" <address@hidden> 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
>
>_______________________________________________
>Discuss-gnuradio mailing list
>address@hidden
>https://lists.gnu.org/mailman/listinfo/discuss-gnuradi