Re: [Discuss-gnuradio] buffer size

[Marcus Müller]

Hi Sreena,

a quick search in the subjects of the mailing list yielded this thread:
http://lists.gnu.org/archive/html/discuss-gnuradio/2014-01/msg00439.html

The problem is that the complete PDU has to fit into the buffer, and it seems that doesn't work.
Now, with the moderate length of 64, this works out of the box, but 1024 will lead to packets that are just too long.
That being said, it's not impossible to implement OFDM with larger FFT lengths in GNU Radio, but you'd have to change the architecture of the example drastically.

Greetings,
Marcus

On 13.08.2014 14:00, sreena p h wrote:

Hi

I ran OFDM transmitter in the grc example using 1024 point fft. following error was raised after running the grc. Please help to get out of this error.. 

thread[thread-per-block[7]: <block tagged_stream_mux (47)>]: Buffer too small for min_noutput_items


Thanks in advance

Regards

Sreena

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