Hi,
I have been working on LTE UPLINK in GNURADIO with help of *OFDM grc*
file and facing a problem in generation of it. Changing in *tx_ofdm*
grc file which is already present in gnuradio, I am using one *sync_word*
for SRS generation and keeping the second *sync_word *as blank ( or all 0 )
then the error is coming on *carrier allocator* block like this
self.digital_ofdm_carrier_allocator_cvc_0 =
digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers,
pilot_carriers, pilot_symbols, (sync_word1), length_tag_key)
File "/usr/lib/python2.7/dist-packages/gnuradio/digital/digital_swig.py",
line 5788, in make
return _digital_swig.ofdm_carrier_allocator_cvc_make(*args, **kwargs)
TypeError: in method 'ofdm_carrier_allocator_cvc_make', argument 5 of type
'std::vector< std::vector< gr_complex,std::allocator< gr_complex >
>,std::allocator< std::vector< gr_complex,std::allocator< gr_complex > > >
> const &'
As I am using SRS *sync_word* value as shown below for 64fft length
[0.7071 - 0.7071j, -0.7071 + 0.7071j, 0.7071 + 0.7071j, -0.7071 -
0.7071j, -0.7071 + 0.7071j, 0.7071 - 0.7071j, 0.7071 + 0.7071j, -0.7071 +
0.7071j, -0.7071 - 0.7071j, -0.7071 + 0.7071j, 0.7071 + 0.7071j, -0.7071 +
0.7071j, -0.7071 - 0.7071j, -0.7071 + 0.7071j, 0.7071 + 0.7071j, 0.7071 +
0.7071j, 0.7071 - 0.7071j, 0.7071 + 0.7071j, -0.7071 + 0.7071j, -0.7071 -
0.7071j, -0.7071 + 0.7071j, -0.7071 - 0.7071j, 0.7071 - 0.7071j, -0.7071 -
0.7071j, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ]
Please correct me or suggest some other way to generate LTE signal in
GNURADIO
THANKING YOU !!!!
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