Skip to content

O
OpenXG-RAN
Commit 57fdcd58 authored by Xiwen JIANG's avatar Xiwen JIANG
Browse files
Options

replace the conjugate vector multiplexing with direct vector multiplexing

parent e7acad26
Show whitespace changes
Inline Side-by-side
Showing with 5 additions and 6 deletions
openair1/PHY/MODULATION/beamforming.c
View file @ 57fdcd58
...@@ -65,11 +65,11 @@ int beam_precoding(int32_t **txdataF, ...@@ -65,11 +65,11 @@ int beam_precoding(int32_t **txdataF,
for (p=0; p<14; p++) { for (p=0; p<14; p++) {
if (p==0 || p==1 || p==5) { if (p==0 || p==1 || p==5) {
mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1); multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15);
//multadd_cpx_vector((int16_t*)txdataF[p],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15); //mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1);
/* // if check version
for (re=0;re<frame_parms->ofdm_symbol_size;re++) { /*for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
if (txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) { if (txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15); ((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15); ((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
...@@ -86,8 +86,7 @@ int beam_precoding(int32_t **txdataF, ...@@ -86,8 +86,7 @@ int beam_precoding(int32_t **txdataF,
((int16_t*)&txdataF_BF[aa][re])[0], ((int16_t*)&txdataF_BF[aa][re])[0],
((int16_t*)&txdataF_BF[aa][re])[1]); ((int16_t*)&txdataF_BF[aa][re])[1]);
} }
} }*/
*/
} }
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment