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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5571 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Raymond Knopp
2014-07-17 15:28:50 +00:00
parent 3d523e5cba
commit 11d77905a7
1 changed files with 31 additions and 12 deletions
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targets/RT/USER/lte-softmodem.c
+31 -12
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@@ -226,7 +226,7 @@ static char *conf_config_file_name = NULL;
static char *itti_dump_file = NULL;
#endif
double tx_gain = 50;
double tx_gain = 20;
double rx_gain = 30;
double sample_rate=30.72e6;
@@ -700,16 +700,18 @@ void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
unsigned int aa,slot_offset, slot_offset_F;
int dummy_tx_b[7680*4] __attribute__((aligned(16)));
int i, tx_offset;
slot_offset_F = (subframe<<1)*
(phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
slot_offset_F = (subframe<<1)*slot_sizeF;
slot_offset = (subframe<<1)*
(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1);
if ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_DL)||
((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_S))) {
// LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
#ifdef EXMIMO
for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
if (phy_vars_eNB->lte_frame_parms.Ncp == EXTENDED){
PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
@@ -720,15 +722,27 @@ void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
phy_vars_eNB->lte_frame_parms.twiddle_ifft,
phy_vars_eNB->lte_frame_parms.rev,
CYCLIC_PREFIX);
PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
dummy_tx_b+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1),
phy_vars_eNB->lte_frame_parms.log2_symbol_size,
6,
phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
phy_vars_eNB->lte_frame_parms.twiddle_ifft,
phy_vars_eNB->lte_frame_parms.rev,
CYCLIC_PREFIX);
}
else {
normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
dummy_tx_b,
7,
&(phy_vars_eNB->lte_frame_parms));
normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
dummy_tx_b+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1),
7,
&(phy_vars_eNB->lte_frame_parms));
}
#ifdef EXMIMO
for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti/2; i++) {
for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti; i++) {
tx_offset = (int)slot_offset+time_offset[aa]+i;
if (tx_offset<0)
tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
@@ -1232,8 +1246,11 @@ static void *eNB_thread(void *arg)
//}
if (multi_thread == 0) {
phy_procedures_eNB_lte (((slot+1)%20)>>1, PHY_vars_eNB_g[0], 0, no_relay,NULL);
do_OFDM_mod(((slot+1)%20)>>1,PHY_vars_eNB_g[0]);
if ((slot&1) == 0) {
LOG_I(PHY,"[eNB] Single thread slot %d\n",slot);
phy_procedures_eNB_lte ((1+(slot>>1))%10, PHY_vars_eNB_g[0], 0, no_relay,NULL);
do_OFDM_mod((1+(slot>>1))%10,PHY_vars_eNB_g[0]);
}
}
else { // multi-thread > 0
if ((slot&1) == 0) {
@@ -2055,7 +2072,7 @@ int main(int argc, char **argv) {
openair0_cfg.rx_num_channels = frame_parms->nb_antennas_rx;
for (i=0;i<4;i++) {
if (UE_flag==0) {
if (UE_flag==1) {
openair0_cfg.tx_freq[i] = downlink_frequency[i]+uplink_frequency_offset[i];
openair0_cfg.rx_freq[i] = downlink_frequency[i];
}
@@ -2071,8 +2088,10 @@ int main(int argc, char **argv) {
openair0_cfg.rx_gain[i] = rx_gain;
}
openair0_device_init(&openair0, &openair0_cfg);
if (openair0_device_init(&openair0, &openair0_cfg) <0) {
printf("Exiting, cannot initialize device\n");
exit(-1);
}
#ifdef OPENAIR2
int eMBMS_active=0;