Re: [Discuss-gnuradio] data extract from file sink block

[Marcus Müller]

Hi Naveen,
the data "format" is described in the official FAQ:

http://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#What-is-the-file-format-of-a-gr_file_sink-How-can-I-read-files-produced-by-a-file-sink

It's raw data, which can be easily read using Matlabs file io facilities; for reference look into matlab's "fread" documentation.

Greetings,
Marcus

On 03/06/2014 09:43 AM, Naveen Gupta wrote:

Hi all,

 How to use file sink block in GRC. I want to extract output data from rx_ofdm & tx_ofdm examples bolck in GNU radio to plot BER V/s EB/N0 in MATLAB. If I use file sink blocks, it's generate a banary file which is not opening anywhere. So please tell me what type of file we can get using file sink block which is compatible to MATLAB also.

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