On Tue, Jan 08, 2013 at 12:27:29AM -0600, Alex Zhang wrote: > In the gnuradio/gr-digital/python/generic_mod_demod.py, two blocks contains > the > code related to the frequency offset correction. > > 1. digital.fll_band_edge_cc > > I am not familiar with the algorithm employed in this frequency loop locking > block. Is there any direct reference for this block, such as paper or > documentation?
https://lists.gnu.org/archive/html/discuss-gnuradio/2012-10/msg00019.html > 2. digital.constellation_receiver_cb > > It has a member function to update the phase and frequecy of the incoming > samples, digital_constellation_receiver_cb::phase_error_tracking() > > Is there any reference for me to understand it more easily. Especially, this > member function calls Perhaps this helps? http://www.trondeau.com/blog/2011/8/13/control-loop-gain-values.html 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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