On Wed, Nov 06, 2013 at 06:27:40PM -0500, Aditya Dhananjay wrote: > I created an OFDM TX/RX flowgraph (mostly copying stuff out from the GNU Radio > reference GRC implementation), where the TX goes out to a USRP UHD sink, and > the RX reads from a USRP UHD source. > > As long as the receive SNR is high enough, the problem does not show up. > However, as I gradually reduce the RX gain, at some point, the entire thing > crashes with the "Buffer too small for min_noutput_items" error.
Are you using a current version? This problem was caused by bit errors creating incorrect, but validated headers. In the current header, we have an 8 Bit CRC check, which is pretty unlikely to cause this. MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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