maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fixing FO compensation in UE

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
+2 -2
View File
@@ -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+is*frame_parms->samples_per_frame])+frame_parms->ofdm_symbol_size,
frame_parms->ofdm_symbol_size>>1,
shift);