Re: [Discuss-gnuradio] adding channel effects to an input in GNURADIO

[Martin Braun]

On 12.05.2014 10:28, Nasi wrote:
> Channel models there do not use any filtering.
> Isnt it like this?
> I did not see any filtering in source files of channels.

Filter == convolution == multipath channels.
See channel_model_impl.cc.

Cheers,
M

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>
> Montag, 12. Mai 2014 09:53 +0200 from Martin Braun <address@hidden>:
> On 11.05.2014 23:41, Nasi wrote:
>  > (Ubuntu 13.04, GNURADIO 3.7)
>  >
>  > I have a question regarding the channel models. As far I know the
>  > channel function must be convolved (convolution) with the input to get
>  > the output like this:
>  >
>  > out = conv(in,channel)
>  >
>  > In GNURADIO I can not find this convolution or any filter to do that. I
>  > am looking inside this folder: gnuradio/gr-channels/lib.
>  > How is this process done in GNURADIO?
>
> Nasi,
> 2014-05-09 12.46.10.jpg
> there's all kinds of filtes and channel models in GNU Radio. In GRC, you
> can search for them; in the source tree, they'd be under gr-filter and
> gr-channels, respectively. Also check the corresponding manual pages.
>
> M
>
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