Hi Team, I am trying to make own cyclic prefix block in C++ in GNU Radio(removing roll-off part and keeping all other parameters same). After connecting my cyclic_prefix block to the already present FFT block in tx_ofdm.grc, i am getting the following error:
Executing: /usr/bin/python2 -u /home/labuser/workarea-gnuradio/gnuradio/gr-digital/examples/ofdm/tx_ofdm.py Traceback (most recent call last): File "/home/labuser/workarea-gnuradio/gnuradio/gr-digital/examples/ofdm/tx_ofdm.py", line 352, in <module> main() File "/home/labuser/workarea-gnuradio/gnuradio/gr-digital/examples/ofdm/tx_ofdm.py", line 340, in main tb = top_block_cls() File "/home/labuser/workarea-gnuradio/gnuradio/gr-digital/examples/ofdm/tx_ofdm.py", line 239, in __init__ self.connect((self.fft_vxx_0, 0), (self.cyclicprefix_CP_cc_0, 0)) File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/hier_block2.py", line 47, in wrapped func(self, src, src_port, dst, dst_port) File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/hier_block2.py", line 110, in connect self.primitive_connect(*args) File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/runtime_swig.py", line 5334, in primitive_connect return _runtime_swig.top_block_sptr_primitive_connect(self, *args) ValueError:* itemsize mismatch: fft_vcc_fftw0:0 using 512, CP_cc0:0 using 8* *NOTE:* CP_cc is the block name that i gave when creating my own cyclic_prefix block. Can anyone help with your suggestions? Thanks, Simran Kaur
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