Re: [Discuss-gnuradio] Fwd: Questions on rx_ofdm example in GR 3.7.1

[Monahan-Mitchell, Tim]

> On Wed, Sep 25, 2013 at 04:57:55PM -0700, Daniel Domínguez wrote:
>> The solution I found was to set the Fixed Frame Length parameter to 1 
>> on the OFDM Frame Equalizer block of the "Header Stream".

> 1 is the correct setting. I'm currently adding a tx into the example so it 
> runs as-is (like benchmark).

It would be interesting to keep the original diagram, and then also show a 
replacement diagram that instead uses the OFDM Demod block and any other newer 
ones that consolidate the equivalent function.

> The reason: The headers have constant length, therefore it is not necessary 
> to propagate them as tagged streams. The way the header/paylod demux work, it 
> splits off the header and passes that regularly. There's no need to generate 
> a length tag.

Maybe that explains why my earlier issue about the Length Tag Key value for 
that same block does not matter (see GR issue # 593), since "1" implies it is 
not needed.