I'm working on OFDM things now and trying to achieve OFDMA in
gnuradio 3.7, the system is Ubuntu 12.07.
Right now, for the ofdm_mapper, it's function is to convert a stream
of byte into complex number. However, when I check the folder in
gr-digital, I found two ofdm_mapper_bcv files, one is ofdm_mapper_bcv.h
in gr-digital/include/gnuradio/digital/ofdm_mapper_bcv.h and the other
one is in gr-digital/lib/ofdm_mapper_bcv_imp.h
Now I'm confusing about this: 1. Are these two used in the ofdm simulation? Or I just need the
2. What're the meaning of suffix of bcv and imp. actually I know c
and v means complex input and vector output, but not sure of the ‘b’ and
Thanks in advance!