Re: [Discuss-gnuradio] Running gr-ieee 802.11 and gr-ieee 802.15.4 under same flowgraph (interference and co-existence)

Hi,

On 07/06/2017 07:55 AM, sumitstop wrote:
> Hello Bastian,
> Sorry for late response.
> I am attaching the files for your reference. There are 2 grc files
>
> 1. wifi_zigbee.grc : wifi and zigbee loopbacks are running in parallel >>
> works good
>
> 2. wifi_zigbee_interference.grc : Here I interpolate the zigbee output by 5,
> feed to channel, add to 20 MHz wifi signal. Added signal is fed directly to
> wifi receiver however I decimate it by 5 before feeding it to zigbee
> receiver.
>
> I see the following on the terminal for the 2nd grc file.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800;
> UHD_4.0.0.rfnoc-devel-283-g7ff43262
> MAPPER: encoding: 0
> set_min_output_buffer on block 9 to 397056
> set_min_output_buffer on block 11 to 397056
> set_min_output_buffer on block 13 to 397056
> set_min_output_buffer on block 14 to 397056
> set_min_output_buffer on block 16 to 397056
> sender started
> set_min_output_buffer on block 58 to 96000
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> After that nothing happens, just the cursor keeps blinking.
>
> wifi_zigbee.grc
> <http://gnuradio.4.n7.nabble.com/file/n64483/wifi_zigbee.grc>
>
> wifi_zigbee_interference.grc
> <http://gnuradio.4.n7.nabble.com/file/n64483/wifi_zigbee_interference.grc>
>

I was playing a bit around with the flow graph. Forgot what the actual
problem was, but this adapted version works for me:

http://www.ccs-labs.org/~bloessl/wifi_zigbee_interference.grc

Best,
Bastian

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