Commit 6e76ecdd authored by knopp's avatar knopp
Browse files

Applied S. Held's patches 16, additional modifications for UE frequency...

Applied S. Held's patches 16, additional modifications for UE frequency scanning and RSRP/RSSI calibration for ExpressMIMO2 and USRP B210

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7536 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent ea655773
......@@ -389,7 +389,6 @@ add_boolean_option(USER_MODE True "????")
add_boolean_option(OAI_NW_DRIVER_TYPE_ETHERNET False "????")
add_boolean_option(DISABLE_USE_NAS False "???")
add_boolean_option(ENABLE_PDCP_NETLINK_FIFO False "????")
add_boolean_option(ENABLE_STANDALONE_EPC True "Compile MME, SGW and PGW in a single executable")
add_boolean_option(ENABLE_USE_GTPU_IN_KERNEL True "as per name")
add_boolean_option(ENABLE_USE_NETFILTER_FOR_SGI False "SGI option")
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI False )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI False )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI False )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST False )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT False )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
set(ENABLE_ITTI True)
set(ENABLE_NAS_UE_LOGGING False)
set(ENABLE_NEW_MULTICAST True)
set(ENABLE_PDCP_NETLINK_FIFO False)
set(ENABLE_PGM_TRANSPORT True)
set(ENABLE_RAL False)
set(ENABLE_SECURITY False)
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI False )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
set(ENABLE_ITTI True)
set(ENABLE_NAS_UE_LOGGING False)
set(ENABLE_NEW_MULTICAST True)
set(ENABLE_PDCP_NETLINK_FIFO False)
set(ENABLE_PGM_TRANSPORT True)
set(ENABLE_RAL False)
set(ENABLE_SECURITY False)
......
......@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
set(ENABLE_ITTI True)
set(ENABLE_NAS_UE_LOGGING False)
set(ENABLE_NEW_MULTICAST True)
set(ENABLE_PDCP_NETLINK_FIFO True)
set(ENABLE_PGM_TRANSPORT True)
set(ENABLE_RAL True)
set(ENABLE_SECURITY False)
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL True )
set ( ENABLE_SECURITY False )
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI False )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -12,7 +12,6 @@ set ( ENABLE_FXP False )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST False )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT False )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 2.8)
set(XFORMS 1 )
set(RRC_ASN1_VERSION "Rel10")
set(ENABLE_VCD_FIFO False )
set(RF_BOARD "EXMIMO")
set(RF_BOARD "OAI_USRP")
set(NAS 1)
set(ENABLE_ITTI False)
set(ENABLE_USE_MME False)
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING True )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY True )
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP False )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST False )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT False )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_PDCP_NETLINK_FIFO False )
set ( ENABLE_PGM_TRANSPORT True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
......
......@@ -33,6 +33,8 @@ int init_frame_parms(LTE_DL_FRAME_PARMS *frame_parms,uint8_t osf)
uint8_t log2_osf;
LOG_I(PHY,"Initializing frame parms for N_RB_DL %d, Ncp %d, osf %d\n",frame_parms->N_RB_DL,frame_parms->Ncp,osf);
if (frame_parms->Ncp==1) {
frame_parms->nb_prefix_samples0=512;
frame_parms->nb_prefix_samples = 512;
......
......@@ -156,11 +156,13 @@ We estimate the frequency offset by calculating the phase difference between cha
\param frame_parms pointer to LTE frame parameters
\param l symbol within slot
\param freq_offset pointer to the returned frequency offset
\param reset When non-zer it resets the filter to the initial value (set whenever tuning has been changed or for a one-shot estimate)
*/
int lte_est_freq_offset(int **dl_ch_estimates,
LTE_DL_FRAME_PARMS *frame_parms,
int l,
int* freq_offset);
int* freq_offset,
int reset);
int lte_mbsfn_est_freq_offset(int **dl_ch_estimates,
LTE_DL_FRAME_PARMS *frame_parms,
......
......@@ -60,6 +60,7 @@ int dl_channel_level(int16_t *dl_ch,
}
DevAssert( frame_parms->N_RB_DL );
avg = (((int*)&avg128F)[0] +
((int*)&avg128F)[1] +
((int*)&avg128F)[2] +
......@@ -76,7 +77,8 @@ int dl_channel_level(int16_t *dl_ch,
int lte_est_freq_offset(int **dl_ch_estimates,
LTE_DL_FRAME_PARMS *frame_parms,
int l,
int* freq_offset)
int* freq_offset,
int reset)
{
int ch_offset, omega, dl_ch_shift;
......@@ -89,6 +91,9 @@ int lte_est_freq_offset(int **dl_ch_estimates,
int coef = 1<<10;
int ncoef = 32767 - coef;
// initialize the averaging filter to initial value
if (reset!=0)
first_run=1;
ch_offset = (l*(frame_parms->ofdm_symbol_size));
......@@ -134,13 +139,13 @@ int lte_est_freq_offset(int **dl_ch_estimates,
omega_cpx->i += ((struct complex16*) &omega)->i;
// phase_offset += atan2((double)omega_cpx->i,(double)omega_cpx->r);
phase_offset += atan2((double)omega_cpx->i,(double)omega_cpx->r);
// LOG_D(PHY,"omega (%d,%d) -> %f\n",omega_cpx->r,omega_cpx->i,phase_offset);
// LOG_I(PHY,"omega (%d,%d) -> %f\n",omega_cpx->r,omega_cpx->i,phase_offset);
}
// phase_offset /= (frame_parms->nb_antennas_rx*frame_parms->nb_antennas_tx);
freq_offset_est = (int) (phase_offset/(2*M_PI)/(frame_parms->Ncp==NORMAL ? (285.8e-6):(2.5e-4))); //2.5e-4 is the time between pilot symbols
// LOG_D(PHY,"symbol %d : freq_offset_est %d\n",l,freq_offset_est);
// LOG_I(PHY,"symbol %d : freq_offset_est %d\n",l,freq_offset_est);
// update freq_offset with phase_offset using a moving average filter
if (first_run == 1) {
......
......@@ -504,12 +504,12 @@ int lte_sync_time(int **rxdata, ///rx data in time domain
#ifdef USER_MODE
if (debug_cnt == 5) {
if (debug_cnt == 0) {
write_output("sync_corr0_ue.m","synccorr0",sync_corr_ue0,2*length,1,2);
write_output("sync_corr1_ue.m","synccorr1",sync_corr_ue1,2*length,1,2);
write_output("sync_corr2_ue.m","synccorr2",sync_corr_ue2,2*length,1,2);
write_output("rxdata0.m","rxd0",rxdata[0],length<<1,1,1);
exit(-1);
// exit(-1);
} else {
debug_cnt++;
}
......
......@@ -75,6 +75,7 @@ int16_t get_PL(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
{
PHY_VARS_UE *phy_vars_ue = PHY_vars_UE_g[Mod_id][CC_id];
/*
int RSoffset;
......@@ -82,7 +83,7 @@ int16_t get_PL(uint8_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
RSoffset = 6;
else
RSoffset = 3;
*/
LOG_D(PHY,"get_PL : Frame %d : rsrp %f dBm/RE (%f), eNB power %d dBm/RE\n", phy_vars_ue->frame_rx,
(1.0*dB_fixed_times10(phy_vars_ue->PHY_measurements.rsrp[eNB_index])-(10.0*phy_vars_ue->rx_total_gain_dB))/10.0,
......@@ -204,47 +205,83 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
if (phy_vars_ue->lte_frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<phy_vars_ue->lte_frame_parms.nb_antennas_rx; aarx++) {
rxF_sss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(5*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(6*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
rxF_sss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(5*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(6*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
//-ve spectrum from SSS
phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
// printf("slot %d: SSS DTX: %d,%d, non-DTX %d,%d\n",slot,rxF_pss[-72],rxF_pss[-71],rxF_pss[-36],rxF_pss[-35]);
// phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// printf("sssn36 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]);
phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("sssm32 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]);
//+ve spectrum from SSS
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+72]*rxF_sss[2+72])+((int32_t)rxF_sss[2+71]*rxF_sss[2+71]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
// printf("sssp32 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]);
//+ve spectrum from PSS
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+72]*rxF_pss[2+72])+((int32_t)rxF_pss[2+71]*rxF_pss[2+71]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+70]*rxF_pss[2+70])+((int32_t)rxF_pss[2+69]*rxF_pss[2+69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+68]*rxF_pss[2+68])+((int32_t)rxF_pss[2+67]*rxF_pss[2+67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+66]*rxF_pss[2+66])+((int32_t)rxF_pss[2+65]*rxF_pss[2+65]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+64]*rxF_pss[2+64])+((int32_t)rxF_pss[2+63]*rxF_pss[2+63]));
//-ve spectrum from PSS
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+64]*rxF_pss[2+64])+((int32_t)rxF_pss[2+63]*rxF_pss[2+63]));
// printf("pss32 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]); //-ve spectrum from PSS
rxF_pss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(7*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// printf("pssm36 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]);
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
phy_vars_ue->PHY_measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power[aarx]/10);
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("pssm32 %d\n",phy_vars_ue->PHY_measurements.n0_power[aarx]);
phy_vars_ue->PHY_measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power[aarx]*phy_vars_ue->lte_frame_parms.ofdm_symbol_size/12);
phy_vars_ue->PHY_measurements.n0_power_tot += phy_vars_ue->PHY_measurements.n0_power[aarx];
}
phy_vars_ue->PHY_measurements.n0_power_tot_dB = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power_tot/20);
phy_vars_ue->PHY_measurements.n0_power_tot_dB = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power_tot/(12*aarx*phy_vars_ue->lte_frame_parms.ofdm_symbol_size));
phy_vars_ue->PHY_measurements.n0_power_tot_dBm = phy_vars_ue->PHY_measurements.n0_power_tot_dB - phy_vars_ue->rx_total_gain_dB;
}
}
}
else if ((phy_vars_ue->lte_frame_parms.frame_type == TDD) &&
(slot == 1)) { // TDD SSS, compute noise in DTX REs
if (phy_vars_ue->lte_frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<phy_vars_ue->lte_frame_parms.nb_antennas_rx; aarx++) {
rxF_sss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(6*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
// note this is a dummy pointer, the pss is not really there!
// in FDD the pss is in the symbol after the sss, but not in TDD
rxF_pss = (int16_t *)&phy_vars_ue->lte_ue_common_vars.rxdataF[aarx][(7*phy_vars_ue->lte_frame_parms.ofdm_symbol_size)];
//-ve spectrum from SSS
// phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
//+ve spectrum from SSS
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+72]*rxF_sss[2+72])+((int32_t)rxF_sss[2+71]*rxF_sss[2+71]));
phy_vars_ue->PHY_measurements.n0_power[aarx] = (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
// phy_vars_ue->PHY_measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
phy_vars_ue->PHY_measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power[aarx]/(6*phy_vars_ue->lte_frame_parms.ofdm_symbol_size));
phy_vars_ue->PHY_measurements.n0_power_tot += phy_vars_ue->PHY_measurements.n0_power[aarx];
}
phy_vars_ue->PHY_measurements.n0_power_tot_dB = (unsigned short) dB_fixed(phy_vars_ue->PHY_measurements.n0_power_tot/(6*aarx*phy_vars_ue->lte_frame_parms.ofdm_symbol_size));
phy_vars_ue->PHY_measurements.n0_power_tot_dBm = phy_vars_ue->PHY_measurements.n0_power_tot_dB - phy_vars_ue->rx_total_gain_dB;
}
}
}
}
// recompute nushift with eNB_offset corresponding to adjacent eNB on which to perform channel estimation
// printf("[PHY][UE %d] Frame %d slot %d Doing ue_rrc_measurements rsrp/rssi (Nid_cell %d, Nid2 %d, nushift %d, eNB_offset %d)\n",phy_vars_ue->Mod_id,phy_vars_ue->frame,slot,Nid_cell,Nid2,nushift,eNB_offset);
if (eNB_offset > 0)
......@@ -265,7 +302,7 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
for (l=0,nu=0; l<=(4-phy_vars_ue->lte_frame_parms.Ncp); l+=(4-phy_vars_ue->lte_frame_parms.Ncp),nu=3) {
k = (nu + nushift)%6;
#ifdef DEBUG_MEAS
LOG_D(PHY,"[UE %d] Frame %d slot %d Doing ue_rrc_measurements rsrp/rssi (Nid_cell %d, nushift %d, eNB_offset %d, k %d, l %d)\n",phy_vars_ue->Mod_id,phy_vars_ue->frame_rx,slot,Nid_cell,nushift,
LOG_I(PHY,"[UE %d] Frame %d slot %d Doing ue_rrc_measurements rsrp/rssi (Nid_cell %d, nushift %d, eNB_offset %d, k %d, l %d)\n",phy_vars_ue->Mod_id,phy_vars_ue->frame_rx,slot,Nid_cell,nushift,
eNB_offset,k,l);
#endif
......@@ -280,10 +317,10 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
phy_vars_ue->PHY_measurements.rsrp[eNB_offset] += (((int32_t)(rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1]));
// printf("rb %d, off %d : %d\n",rb,off,((((int32_t)rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1])));
/* if ((phy_vars_ue->frame_rx&0x3ff) == 0)
printf("rb %d, off %d : %d\n",rb,off,((rxF[off]*rxF[off])+(rxF[off+1]*rxF[off+1])));
// if ((phy_vars_ue->frame_rx&0x3ff) == 0)
// printf("rb %d, off %d : %d\n",rb,off,((rxF[off]*rxF[off])+(rxF[off+1]*rxF[off+1])));
*/
off+=12;
if (off>=(phy_vars_ue->lte_frame_parms.ofdm_symbol_size<<1))
......@@ -317,13 +354,10 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
}
}
// 2 RE per PRB
// phy_vars_ue->PHY_measurements.rsrp[eNB_offset]/=(24*phy_vars_ue->lte_frame_parms.N_RB_DL);
phy_vars_ue->PHY_measurements.rsrp[eNB_offset]/=(2*phy_vars_ue->lte_frame_parms.N_RB_DL*phy_vars_ue->lte_frame_parms.ofdm_symbol_size);
LOG_D(PHY,"eNB: %d, RSRP: %d \n",eNB_offset,phy_vars_ue->PHY_measurements.rsrp[eNB_offset]);
// LOG_I(PHY,"eNB: %d, RSRP: %d \n",eNB_offset,phy_vars_ue->PHY_measurements.rsrp[eNB_offset]);
if (eNB_offset == 0) {
// phy_vars_ue->PHY_measurements.rssi/=(24*phy_vars_ue->lte_frame_parms.N_RB_DL);
// phy_vars_ue->PHY_measurements.rssi*=rx_power_correction;
......@@ -347,16 +381,16 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
#ifdef DEBUG_MEAS
if (slot == 0) {
// if (slot == 0) {
if (eNB_offset == 0)
LOG_D(PHY,"[UE %d] Frame %d, slot %d RRC Measurements => rssi %3.1f dBm (digital: %3.1f dB, gain %d), N0 %d dBm\n",phy_vars_ue->Mod_id,
LOG_I(PHY,"[UE %d] Frame %d, slot %d RRC Measurements => rssi %3.1f dBm (digital: %3.1f dB, gain %d), N0 %d dBm\n",phy_vars_ue->Mod_id,
phy_vars_ue->frame_rx,slot,10*log10(phy_vars_ue->PHY_measurements.rssi)-phy_vars_ue->rx_total_gain_dB,
10*log10(phy_vars_ue->PHY_measurements.rssi),
phy_vars_ue->rx_total_gain_dB,
phy_vars_ue->PHY_measurements.n0_power_tot_dBm);
LOG_D(PHY,"[UE %d] Frame %d, slot %d RRC Measurements (idx %d, Cell id %d) => rsrp: %3.1f dBm/RE (%d), rsrq: %3.1f dB\n",
LOG_I(PHY,"[UE %d] Frame %d, slot %d RRC Measurements (idx %d, Cell id %d) => rsrp: %3.1f dBm/RE (%d), rsrq: %3.1f dB\n",
phy_vars_ue->Mod_id,
phy_vars_ue->frame_rx,slot,eNB_offset,
(eNB_offset>0) ? phy_vars_ue->PHY_measurements.adj_cell_id[eNB_offset-1] : phy_vars_ue->lte_frame_parms.Nid_cell,
......@@ -369,7 +403,7 @@ void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
//LOG_D(PHY,"gain_loss_dB: %d \n",phy_vars_ue->rx_total_gain_dB);
//LOG_D(PHY,"gain_fixed_dB: %d \n",dB_fixed(phy_vars_ue->lte_frame_parms.N_RB_DL*12));
}
// }
#endif
}
......@@ -383,7 +417,7 @@ void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
{
int aarx,aatx,eNB_id=0,gain_offset=0;
int aarx,aatx,eNB_id=0; //,gain_offset=0;
//int rx_power[NUMBER_OF_CONNECTED_eNB_MAX];
int i;
unsigned int limit,subband;
......
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