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astyle --recursive --indent=spaces=2 --style=kr --indent-col1-comments --break-blocks --convert-tabs --max-code-length=200

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This is done for better merging branch/LG_PRE_RELEASE_0.3 into trunk (same process is applied on this branch)

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7073 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Lionel Gauthier
2015-04-09 09:29:12 +00:00
parent f0a8a0b3b5
commit 059a0a3fdc
2044 changed files with 1182666 additions and 1145123 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
+53 -48
View File
@@ -1,5 +1,5 @@
/*******************************************************************************
OpenAirInterface
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
@@ -14,15 +14,15 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
@@ -39,10 +39,10 @@
// last channel estimate of the receiver
void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
PHY_VARS_UE *phy_vars_ue,
unsigned char eNB_id,
unsigned char clear,
short coef)
PHY_VARS_UE *phy_vars_ue,
unsigned char eNB_id,
unsigned char clear,
short coef)
{
static int max_pos_fil = 0;
@@ -60,11 +60,13 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
// we only use channel estimates from tx antenna 0 here
for (i = 0; i < frame_parms->nb_prefix_samples; i++) {
temp = 0;
for (aa=0;aa<frame_parms->nb_antennas_rx;aa++) {
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)phy_vars_ue->lte_ue_common_vars.dl_ch_estimates_time[eNB_id][aa])[(i<<2)];
Im = ((int16_t*)phy_vars_ue->lte_ue_common_vars.dl_ch_estimates_time[eNB_id][aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
max_pos = i;
max_val = temp;
@@ -77,21 +79,21 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
else
max_pos_fil = ((max_pos_fil * coef) + (max_pos * ncoef)) >> 15;
diff = max_pos_fil - frame_parms->nb_prefix_samples/8;
if ( diff > SYNCH_HYST )
phy_vars_ue->rx_offset++;
else if (diff < -SYNCH_HYST)
phy_vars_ue->rx_offset--;
if ( phy_vars_ue->rx_offset < 0 )
phy_vars_ue->rx_offset += FRAME_LENGTH_COMPLEX_SAMPLES;
if ( phy_vars_ue->rx_offset >= FRAME_LENGTH_COMPLEX_SAMPLES )
phy_vars_ue->rx_offset -= FRAME_LENGTH_COMPLEX_SAMPLES;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: rx_offset (after) = %d : max_pos = %d,max_pos_fil = %d (peak %d)\n",
@@ -103,11 +105,11 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
LTE_eNB_SRS *lte_eNb_srs,
unsigned int *eNB_id,
unsigned char clear,
unsigned char number_of_cards,
short coef)
LTE_eNB_SRS *lte_eNb_srs,
unsigned int *eNB_id,
unsigned char clear,
unsigned char number_of_cards,
short coef)
{
@@ -123,21 +125,21 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
ncoef = 32768 - coef;
for (ind=0;ind<number_of_cards;ind++) {
for (ind=0; ind<number_of_cards; ind++) {
if (ind==0)
max_val=0;
for (aa=0;aa<frame_parms->nb_antennas_rx;aa++) {
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
// do ifft of channel estimate
fft((short*) &lte_eNb_srs->srs_ch_estimates[ind][aa][0],
(short*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
frame_parms->twiddle_ifft,
frame_parms->rev,
frame_parms->log2_symbol_size,
frame_parms->log2_symbol_size/2,
0);
(short*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
frame_parms->twiddle_ifft,
frame_parms->rev,
frame_parms->log2_symbol_size,
frame_parms->log2_symbol_size/2,
0);
#ifdef USER_MODE
#ifdef DEBUG_PHY
@@ -152,15 +154,17 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
// remember we fixed the SRS to use only every second subcarriers
for (i = 0; i < frame_parms->ofdm_symbol_size/2; i++) {
temp = 0;
for (aa=0;aa<frame_parms->nb_antennas_rx;aa++) {
Re = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[(i<<2)];
Im = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[(i<<2)];
Im = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
max_pos = i;
max_val = temp;
*eNB_id = ind;
max_pos = i;
max_val = temp;
*eNB_id = ind;
}
}
}
@@ -170,11 +174,11 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
max_pos_fil2 = max_pos;
else
max_pos_fil2 = ((max_pos_fil2 * coef) + (max_pos * ncoef)) >> 15;
#ifdef DEBUG_PHY
//LOG_D(PHY,"frame %d: max_pos = %d, max_pos_fil = %d\n",mac_xface->frame,max_pos,max_pos_fil2);
#endif //DEBUG_PHY
return(max_pos_fil2);
}
@@ -195,27 +199,28 @@ int lte_est_timing_advance_pusch(PHY_VARS_eNB* phy_vars_eNB,uint8_t UE_id,uint8_
for (i = 0; i < frame_parms->ofdm_symbol_size; i++) {
temp = 0;
for (aa=0;aa<frame_parms->nb_antennas_rx;aa++) {
Re = ((int16_t*)ul_ch_estimates_time[aa])[(i<<2)];
Im = ((int16_t*)ul_ch_estimates_time[aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
max_pos = i;
max_val = temp;
}
temp = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)ul_ch_estimates_time[aa])[(i<<2)];
Im = ((int16_t*)ul_ch_estimates_time[aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
max_pos = i;
max_val = temp;
}
}
// filter position to reduce jitter
if (first_run == 1){
if (first_run == 1) {
first_run=0;
max_pos_fil2 = max_pos;
}
else
} else
max_pos_fil2 = ((max_pos_fil2 * coef) + (max_pos * ncoef)) >> 15;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: max_pos = %d, max_pos_fil = %d, sync_pos=%d\n",phy_vars_eNB->proc[sched_subframe].frame_rx,max_pos,max_pos_fil2,sync_pos);
#endif //DEBUG_PHY