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Reverting the changes made in fo calculation

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While fixing bug in PSS index calculation in 334519d16a, I made changes in FO calculation as well. This is not nedeed and caused the FO to misbehave. Hence, reverting it.
This commit is contained in:
Sakthivel Velumani
2020-03-06 13:40:03 +01:00
parent f2bc346ab7
commit c85d0878c1
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;
// 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],
(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,
shift);
// 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
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])+(frame_parms->ofdm_symbol_size+(is*frame_parms->samples_per_frame)),
frame_parms->ofdm_symbol_size>>1,
shift);