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Fixing FO compensation in UE

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Actually there was a bug in FO compensation which I overlooked in last commit.
This commit is contained in:
Raymond Knopp
2020-03-06 17:15:28 +01:00
parent c85d0878c1
commit fcb211b014
1 changed files with 2 additions and 2 deletions
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openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
+2 -2
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@@ -914,13 +914,13 @@ int pss_search_time_nr(int **rxdata, ///rx data in time domain
int64_t result1,result2; int64_t result1,result2;
// Computing cross-correlation at peak on half the symbol size for first half of data // Computing cross-correlation at peak on half the symbol size for first half of data
result1 = dot_product64((short*)primary_synchro_time_nr[pss_source], result1 = dot_product64((short*)primary_synchro_time_nr[pss_source],
(short*) &(rxdata[0][peak_position])+(is*frame_parms->samples_per_frame), (short*) &(rxdata[0][peak_position+is*frame_parms->samples_per_frame]),
frame_parms->ofdm_symbol_size>>1, frame_parms->ofdm_symbol_size>>1,
shift); shift);
// Computing cross-correlation at peak on half the symbol size for data shifted by half symbol size // Computing cross-correlation at peak on half the symbol size for data shifted by half symbol size
// as it is real and complex it is necessary to shift by a value equal to symbol size to obtain such shift // as it is real and complex it is necessary to shift by a value equal to symbol size to obtain such shift
result2 = dot_product64((short*)primary_synchro_time_nr[pss_source]+(frame_parms->ofdm_symbol_size), result2 = dot_product64((short*)primary_synchro_time_nr[pss_source]+(frame_parms->ofdm_symbol_size),
(short*) &(rxdata[0][peak_position])+(frame_parms->ofdm_symbol_size+(is*frame_parms->samples_per_frame)), (short*) &(rxdata[0][peak_position+is*frame_parms->samples_per_frame])+frame_parms->ofdm_symbol_size,
frame_parms->ofdm_symbol_size>>1, frame_parms->ofdm_symbol_size>>1,
shift); shift);