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Commit 2d68cc0f authored by latif's avatar latif
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changes for link adaptation and abstraction 

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4150 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent c5196908
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Showing with 166 additions and 292 deletions
openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ 2d68cc0f
......@@ -2563,138 +2563,59 @@ uint16_t quantize_wideband_pmi(PHY_MEASUREMENTS *meas,uint8_t eNB_id) {
return(3+(sinr>>1));
}
*/
// sinr => MCS => CQI
// 15.5 => 25 => 12
// 15 => 24 => 12
// 14 => 23 => 11
// 13 => 22 => 11
// 12 => 21 => 10
// 11 => 20 => 10
// 10 => 19 => 9
// 9 => 18 => 9
// 8.5 => 17 => 8
// 8 => 16 => 8
// 7 => 15 => 7
// 6 => 14 => 7
// 5 => 13 => 6
// 4.5 => 12 => 6
// 4 => 11 => 5
// 3 => 10 => 5
// 2.5 => 9 => 4
// 1.5 => 8 => 4
// 1 => 7 => 3
// 0 => 6 => 3
// -.5 => 5 => 2
// -1.5 => 4 => 2
// -2.5 => 3 => 1
// -3.5 => 2 => 1
// -4 => 1 => 0
// -4.5 => 0 => 0
uint8_t sinr2cqi(int sinr,uint8_t trans_mode) {
// int flag_LA=0;
if(flag_LA==0){
if(flag_LA==0){
// Ideal Channel Estimation
if (sinr<=-8)
if (sinr<=-4.89)
return(0);
else if (sinr < -6)
else if (sinr < -3.53)
return(3);
else if (sinr <= -4)
else if (sinr <= -1.93)
return(4);
else if (sinr <= -2)
else if (sinr <= -0.43)
return(5);
else if (sinr <= 0)
else if (sinr <= 1.11)
return(6);
else if (sinr <= 2)
else if (sinr <= 3.26)
return(7);
else if (sinr <= 4)
else if (sinr <= 5)
return(8);
else if (sinr <= 6.5)
else if (sinr <= 7)
return(9);
else if (sinr <= 7.5)
else if (sinr <= 9)
return(10);
else if (sinr <= 9.5)
return(11);
else if (sinr <= 11)
return(11);
else if (sinr <= 13)
return(12);
else if (sinr <= 14)
else if (sinr <= 15.5)
return(13);
else if (sinr <= 16)
else if (sinr <= 17.5)
return(14);
else if (sinr > 16)
else if (sinr > 19.5)
return(15);
}
else{
if(trans_mode==1 || trans_mode ==2){
if (sinr<-6)
return(0);
else if (sinr < -5.5)
return(1);
else if (sinr <= -4.89)
return(2);
else if (sinr <= -3.53)
return(3);
else if (sinr <= -1.93)
return(4);
else if (sinr <= -0.43)
return(5);
else if (sinr <= 1.11)
return(6);
else if (sinr <= 3.26)
return(7);
else if (sinr <= 5)
return(8);
else if (sinr <= 6.94)
return(9);
else if (sinr <= 8.92)
return(10);
else if (sinr <= 10.87)
return(11);
else if (sinr <= 12.45)
return(12);
else if (sinr <= 15.25)
return(13);
else if (sinr <= 17.11)
return(14);
else return(15);
} else
if(trans_mode==5 || trans_mode==6){
if (sinr<=-8)
return(0);
else if (sinr < -7)
return(1);
else if (sinr <= -6)
return(2);
else if (sinr <= -5.25)
return(3);
else if (sinr <= -3.95)
return(4);
else if (sinr <= -2.60)
return(5);
else if (sinr <= -1.10)
return(6);
else if (sinr <= 0.87)
return(7);
else if (sinr <= 2.59)
return(8);
else if (sinr <= 4.79)
return(9);
else if (sinr <= 6.71)
return(10);
else if (sinr <= 8)
return(11);
else if (sinr <= 10.59)
return(12);
else if (sinr <= 13.28)
return(13);
else if (sinr <= 15.74)
return(14);
else return(15);
}
}
return(0);
else{
int h=0;
int trans_mode_tmp;
if (trans_mode ==5)
trans_mode_tmp=2;
else
if(trans_mode ==6)
trans_mode_tmp=3;
else
trans_mode_tmp = trans_mode-1;
for(h=0;h<16;h++){
if(sinr<=sinr_to_cqi[trans_mode_tmp][h])
return(h);
}
}
return(0);
}
//uint32_t fill_subband_cqi(PHY_MEASUREMENTS *meas,uint8_t eNB_id) {
//
// uint8_t i;
......@@ -3667,7 +3588,11 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
// LTE_UE_ULSCH_t *ulsch = phy_vars_ue->ulsch_ue[eNB_id];
//for the calculation of SINR_eff for CQI calculation
int count,a_rx,a_tx;
double abs_channel,channelx, channely,channelx_i, channely_i;
double abs_channel=0;
double channelx=0;
double channely=0;
double channelx_i=0;
double channely_i=0;
u16 q = quantize_subband_pmi(meas,eNB_id);
u8 qq;
......@@ -3675,11 +3600,11 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
case 1:
for (count=0;count<frame_parms->N_RB_DL*12;count++)
{
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx;a_tx++)
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx_eNB;a_tx++)
{
for (a_rx=0;a_rx<frame_parms->nb_antennas_rx;a_rx++)
{
s_dB[count] = 10*log10(pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2],2) + pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2],2)) - meas->n0_power_avg_dB;
s_dB[count] = 10*log10(pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2],2) + pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2],2)) - meas->n0_power_avg_dB;
}
}
}
......@@ -3687,11 +3612,11 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
case 2:
for (count=0;count<frame_parms->N_RB_DL*12;count++)
{abs_channel=0;
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx;a_tx++)
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx_eNB;a_tx++)
{
for (a_rx=0;a_rx<frame_parms->nb_antennas_rx;a_rx++)
{
abs_channel += (pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2],2) + pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2],2));
abs_channel += (pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2],2) + pow(((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2],2));
}
}
s_dB[count] = 10*log10(abs_channel/2) - meas->n0_power_avg_dB;
......@@ -3705,69 +3630,69 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
channely_i=0;
qq = (q>>(((count/12)>>2)<<1))&3;
//printf("pmi_alloc %d: rb %d, pmi %d\n",q,count/12,qq);
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx;a_tx++)
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx_eNB;a_tx++)
{
for (a_rx=0;a_rx<frame_parms->nb_antennas_rx;a_rx++)
{
switch(qq){
case 0:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 1:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 2:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channelx_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 3:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channelx_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely_i = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channelx_i -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely_i += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
}
break;
default:
......@@ -3786,53 +3711,53 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
channely=0;
qq = (q>>(((count/12)>>2)<<1))&3;
//printf("pmi_alloc %d: rb %d, pmi %d\n",q,count/12,qq);
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx;a_tx++)
for(a_tx=0;a_tx<frame_parms->nb_antennas_tx_eNB;a_tx++)
{
for (a_rx=0;a_rx<frame_parms->nb_antennas_rx;a_rx++)
{
switch(qq){
case 0:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 1:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 2:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
}
break;
case 3:
if (channelx==0 || channely==0){
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
channely = ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
}
else
{
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2];
channelx += ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+1+(LTE_CE_FILTER_LENGTH)*2];
channely -= ((s16 *) dl_channel_est[(a_tx<<1)+a_rx])[2*count+(LTE_CE_FILTER_LENGTH)*2];
}
break;
default:
......@@ -3849,13 +3774,18 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
msg("Problem in SINR Calculation for CQI \n");
break;
}
int ii;
int ii;
double sinr_eff = 0;
double sinr_eff_qpsk,sinr_eff_qam16,sinr_eff_qam64;
double sinr_eff_qpsk=0;
double sinr_eff_qam16=0;
double sinr_eff_qam64=0;
double x = 0;
double I_qpsk, I_qpsk_avg,I_qam16, I_qam16_avg,I_qam64, I_qam64_avg;
double I_qpsk=0;
double I_qam16=0;
double I_qam64=0;
double I_qpsk_avg=0;
double I_qam16_avg=0;
double I_qam64_avg=0;
double qpsk_max=12.2;
double qam16_max=19.2;
double qam64_max=25.2;
......@@ -3906,7 +3836,7 @@ double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue, u8 eNB_id){
sinr_eff_qam64 = (p_qam64[0]*pow(I_qam64_avg,7) + p_qam64[1]*pow(I_qam64_avg,6) + p_qam64[2]*pow(I_qam64_avg,5) + p_qam64[3]*pow(I_qam64_avg,4) + p_qam64[4]*pow(I_qam64_avg,3) + p_qam64[5]*pow(I_qam64_avg,2) + p_qam64[6]*I_qam64_avg + p_qam64[7]);
sinr_eff = cmax3(sinr_eff_qpsk,sinr_eff_qam16,sinr_eff_qam64);
//printf("SINR_Eff = %e\n",sinr_eff);
printf("SINR_Eff = %e\n",sinr_eff);
return(sinr_eff);
}
......
openair1/PHY/LTE_TRANSPORT/dlsch_decoding.c
View file @ 2d68cc0f
......@@ -693,7 +693,7 @@ uint32_t dlsch_decoding_emul(PHY_VARS_UE *phy_vars_ue,
LOG_T(PHY,"\n current harq pid is %d ue id %d \n", harq_pid, ue_id);
#endif
if (dlsch_abstraction_EESM(phy_vars_ue->sinr_dB, phy_vars_ue->transmission_mode[eNB_id], dlsch_eNB->rb_alloc, dlsch_eNB->harq_processes[harq_pid]->mcs,PHY_vars_eNB_g[eNB_id]->mu_mimo_mode[ue_id].dl_pow_off) == 1) {
if (dlsch_abstraction_MIESM(phy_vars_ue->sinr_dB, phy_vars_ue->transmission_mode[eNB_id], dlsch_eNB->rb_alloc, dlsch_eNB->harq_processes[harq_pid]->mcs,PHY_vars_eNB_g[eNB_id]->mu_mimo_mode[ue_id].dl_pow_off) == 1) {
// reset HARQ
dlsch_ue->harq_processes[harq_pid]->status = SCH_IDLE;
dlsch_ue->harq_processes[harq_pid]->round = 0;
......
openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
View file @ 2d68cc0f
......@@ -356,7 +356,7 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
frame_parms,
dlsch_ue,
symbol,
nb_rb);
nb_rb);
/* compute new log2_maxh for effective channel */
if (first_symbol_flag==1) {
......
openair1/PHY/extern.h
View file @ 2d68cc0f
......@@ -62,6 +62,8 @@ extern int flag_LA;
extern double sinr_bler_map[MCS_COUNT][2][20];
extern double sinr_bler_map_up[MCS_COUNT][2][16];
extern int table_length[MCS_COUNT];
extern double sinr_to_cqi[4][16];
extern int cqi_to_mcs[16];
//for MU-MIMO abstraction using MIESM
//this 2D arrarays contains SINR, MI and RBIR in rows 1, 2, and 3 respectively
......
openair1/PHY/vars.h
View file @ 2d68cc0f
......@@ -80,6 +80,14 @@ double MI_map_4qam[3][162];
double MI_map_16qam[3][197];
double MI_map_64qam[3][227];
// here the first index is for transmission mode 1, 2, 5 and 6 whereas the second index is for the 16 sinr vaues corresponding to 16 CQIs
double sinr_to_cqi[4][16]={ {-2.5051, -2.5051, -1.7451, -0.3655, 1.0812, 2.4012, 3.6849, 6.6754, 8.3885, 8.7970, 12.0437, 14.4709, 15.7281, 17.2424, 17.2424, 17.2424},
{-2.2360, -2.2360, -1.3919, -0.0218, 1.5319, 2.9574, 4.3234, 6.3387, 8.9879, 9.5096, 12.6609, 14.0116, 16.4984, 18.1572, 18.1572, 18.1572},
{-1, -1.0000, -0.4198, -0.0140, 1.0362, 2.3520, 3.5793, 6.1136, 8.4836, 9.0858, 12.4723, 13.9128, 16.2054, 17.7392, 17.7392, 17.7392},
{ -4.1057, -4.1057, -3.3768, -2.2916, -1.1392, 0.1236, 1.2849, 3.1933, 5.9298, 6.4052, 9.6245, 10.9414, 13.5166, 14.9545, 14.9545, 14.9545} };
int cqi_to_mcs[16]={0, 0, 1, 3, 5, 7, 9, 13, 15, 16, 20, 23, 25, 27, 27, 27};
//for SNR to MI conversion 7 th order Polynomial coeff
double q_qam16[8]={3.21151853033897e-10,5.55435952230651e-09,-2.30760065362117e-07,-6.25587743817859e-06,4.62251036452795e-06,0.00224150813158937,0.0393723140344367,0.245486379182639};
double q_qpsk[8]={1.94491167814437e-09,8.40494123817774e-08,4.75527131198034e-07,-2.48946285301621e-05,-0.000347614016158364,0.00209252225437100,0.0742986115462510,0.488297879889425};
......@@ -90,17 +98,26 @@ double p_qpsk[8]= {5982.42405670359,-21568.1135917693,31293.9987036905,-23394.67
double p_qam16[8]={7862.12690694170,-28510.3207048338,41542.2150287122,-31088.3036957379,12690.1982361016,-2785.66604739984,326.595462489375,-18.9911849872089};
double p_qam64[8]={8832.57933013696,-32119.1802555952,46914.2578990397,-35163.8150557183,14343.7419388853,-3126.61025510092,360.954930562237,-18.0358548533343};
double beta1_dlsch_MI[6][MCS_COUNT] = { {1.17, 1.11, 1.04, 1.05, 1.09, 1.09, 1.10, 1.10, 1.09, 1.03, 1.04, 1.04, 1.05, 1.07, 1.07, 1.06, 1, 1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1},{1.808065416202085, 1.754544945430673,1.902272019362616, 1.790054645392961, 1.563204092967629, 1.585258289348813, 1.579349443720310, 1.570650121437345, 1.545055626608596, 1.362229442426877, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33, 1,1,1,1,1,1,1},{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}};
//double beta1_dlsch_MI[6][28] = { {1.17, 1.11, 1.04, 1.05, 1.09, 1.09, 1.10, 1.10, 1.09, 1.03, 1.04, 1.04, 1.05, 1.07, 1.07, 1.06, 1, 1,1,1,1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1},{1.808065416202085, 1.754544945430673,1.902272019362616, 1.790054645392961, 1.563204092967629, 1.585258289348813, 1.579349443720310, 1.570650121437345, 1.545055626608596, 1.362229442426877, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33, 1,1,1,1,1,1,1,1,1,1,1},{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1}};
double beta2_dlsch_MI[6][MCS_COUNT] = { {1.17, 1.11, 1.04, 1.05, 1.09, 1.09, 1.10, 1.10, 1.09, 1.03, 1.04, 1.04, 1.05, 1.07, 1.07, 1.06, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1},{1.079518113138858, 1.105622953570353, 1.031337449900606, 1.073342032668810, 1.242636589110353, 1.255054927783647, 1.291463834317768, 1.317048698347491, 1.354485054187984, 0.338534029291017, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33,1, 1,1,1,1,1,1},{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}};
//double beta2_dlsch_MI[6][28] = { {1.17, 1.11, 1.04, 1.05, 1.09, 1.09, 1.10, 1.10, 1.09, 1.03, 1.04, 1.04, 1.05, 1.07, 1.07, 1.06, 1, 1,1,1,1,1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1},{1.079518113138858, 1.105622953570353, 1.031337449900606, 1.073342032668810, 1.242636589110353, 1.255054927783647, 1.291463834317768, 1.317048698347491, 1.354485054187984, 0.338534029291017, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33,1, 1,1,1,1,1,1,1,1,1,1},{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1,1,1,1,1}};
// ideal CE MIESM
double beta1_dlsch_MI[6][MCS_COUNT] = { {1.1188, 0.3720, 0.3755, 0.9453, 0.5799, 0.5256, 0.5485, 0.5340, 0.5165, 0.5300, 0.6594, 0.5962, 0.4884, 0.4927, 0.3687, 0.4614, 0.4081, 0.2639,0.2935,0.2520,0.3709,0.2906,0.2612,0.2390}, {0.7138, 0.5533, 0.5533, 0.4828, 0.4998, 0.4843, 0.4942, 0.5323, 0.5142, 0.4756, 0.5792, 0.4167, 0.4445, 0.3942, 0.3789, 0.2756, 0.4456, 0.1650, 0.2254, 0.2353, 0.2097,0.2517,0.3242,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1},{1.808065416202085, 1.754544945430673,1.902272019362616, 1.790054645392961, 1.563204092967629, 1.585258289348813, 1.579349443720310, 1.570650121437345, 1.545055626608596, 1.362229442426877, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33, 1,1,1,1,1,1,1},{0.7146, 0.4789, 0.5392, 0.5556, 0.4975, 0.4847, 0.4691, 0.5261, 0.5278, 0.4962, 0.4468, 0.4113, 0.4622, 0.4609, 0.3946, 0.3991, 0.3532, 0.2439, 0.1898, 0.2929, 0.2712, 0.3367, 0.3591, 0.2571}};
double beta2_dlsch_MI[6][MCS_COUNT] = { {1.1293, 0.3707, 0.3722, 0.9310, 0.5808, 0.5265, 0.5404, 0.5279, 0.5210, 0.5226, 0.6438, 0.5827, 0.4804, 0.4830, 0.3638, 0.4506, 0.4107, 0.2547, 0.2797, 0.2413, 0.3351, 0.2750, 0.2568, 0.2273}, {0.7028, 0.5503, 0.5503, 0.4815, 0.5006, 0.4764, 0.4810, 0.5124, 0.4964, 0.4485, 0.5497, 0.3971, 0.4239, 0.3701, 0.3494, 0.2630, 0.4053, 0.1505, 0.2001,0.2024,0.1788,0.2124,0.2668,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1},{1.079518113138858, 1.105622953570353, 1.031337449900606, 1.073342032668810, 1.242636589110353, 1.255054927783647, 1.291463834317768, 1.317048698347491, 1.354485054187984, 0.338534029291017, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33,1, 1,1,1,1,1,1},{0.6980, 0.4694, 0.5379, 0.5483, 0.4982, 0.4737, 0.4611, 0.5051, 0.5020, 0.4672, 0.4357, 0.3957, 0.4389, 0.4344, 0.3645, 0.3661, 0.3301, 0.2179, 0.1730, 0.2536, 0.2389,0.2884,0.2936,0.2226}};
//real CE MIESM
/*
double beta1_dlsch_MI[6][MCS_COUNT] = { {1.32955, 0.59522, 0.54024, 0.98698, 0.81305, 0.76976, 0.69258, 0.69713, 0.70546, 0.69111, 0.81904, 0.72664, 0.79491, 0.72562, 0.53980, 0.33134, 0.50550, 0.40602,0.40281,0.47012,0.50510,0.23540,0.32045,1}, {0.59632, 1.08475, 1.02431, 1.07020, 0.90170, 0.97719, 0.95464, 0.92764, 0.86721, 0.85986, 0.64558, 0.80631, 0.82673, 0.82888, 0.87122, 0.77245, 0.29771, 0.43477, 0.55321, 0.61027, 0.56111, 0.57292, 0.39737,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1},{1.808065416202085, 1.754544945430673,1.902272019362616, 1.790054645392961, 1.563204092967629, 1.585258289348813, 1.579349443720310, 1.570650121437345, 1.545055626608596, 1.362229442426877, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33, 1,1,1,1,1,1,1},{0.77532, 1.07544, 1.10571, 1.04099, 0.91638, 0.88644, 0.96405, 0.86709, 0.94066, 0.84430, 1.24478, 1.09665, 1.42604, 0.79541, 0.71847, 0.71604, 0.74561, 0.36431, 0.41536, 0.52175, 0.47096, 0.49977, 0.59728,1}};
double beta2_dlsch_MI[6][MCS_COUNT] = { {1.36875, 0.59304, 0.53870, 0.98239, 0.81637, 0.76847, 0.69842, 0.69885, 0.69967, 0.69826, 0.82660, 0.70559, 0.78404, 0.70670, 0.55393, 0.36893, 0.52225, 0.39752, 0.40494, 0.46239, 0.49247,0.26900,0.34504,1}, {0.43775, 0.78208, 0.72875, 0.77458, 0.64485, 0.69174, 0.66097, 0.63289, 0.59652, 0.61175, 0.44551, 0.56047, 0.57314, 0.57553, 0.58849, 0.52159, 0.21241, 0.30139, 0.37373, 0.32029, 0.37067, 0.36706, 0.27118,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1}, {1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1},{1.079518113138858, 1.105622953570353, 1.031337449900606, 1.073342032668810, 1.242636589110353, 1.255054927783647, 1.291463834317768, 1.317048698347491, 1.354485054187984, 0.338534029291017, 1.85, 1.79, 1.65, 1.54, 1.46, 1.39, 1.33,1, 1,1,1,1,1,1},{0.54448, 0.73731, 0.79165, 0.74407, 0.68042, 0.64906, 0.71349, 0.62109, 0.65815, 0.60940, 0.90549, 0.78708, 1.03176, 0.58431, 0.53379, 0.51224, 0.52767, 0.26848, 0.29642, 0.36879, 0.34148, 0.35279,0.40633,1}};
*/
//ideal channel estimation values
double beta1_dlsch[6][MCS_COUNT] = { {2.3814, 0.4956, 0.5273, 1.1708, 0.8014, 0.7889, 0.8111, 0.8139, 0.8124, 0.8479, 1.9280, 1.9664, 2.3857, 2.5147, 2.4511, 3.0158, 2.8643, 5.3013, 5.8594, 6.5372, 7.8073, 7.8030, 7.5295, 7.1320}, {0.5146, 0.5549, 0.7405, 0.6913, 0.7349, 0.7000, 0.7539, 0.7955, 0.8074, 0.7760, 1.8150, 1.6561, 1.9280, 2.3563, 2.6699, 2.3086, 3.1601, 4.5316, 5.2870, 6.0983, 6.5635, 7.7024, 9.9592, 6.6173}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1}, {1.79358, 1.17908, 2.02600, 1.72040, 1.58618, 1.59039, 1.68111, 1.67062, 1.64911, 1.33274, 4.87800, 3.58797, 3.72338, 5.35700, 2.81752, 1.93472, 2.23259, 1,1,1,1,1,1,1}, {0.4445, 0.5918, 0.7118, 0.7115, 0.7284, 0.7202, 0.7117, 0.8111, 0.8239, 0.7907, 1.8456, 1.8144, 2.3830, 2.6634, 2.6129, 2.8127, 2.7372, 4.9424, 4.8763, 6.8413, 7.1493, 9.4180, 10.1230, 8.9613}};
double beta2_dlsch[6][MCS_COUNT] = { {2.3639, 0.4952, 0.5207, 1.1572, 0.8026, 0.7864, 0.7996, 0.8034, 0.8200, 0.8367, 1.8701, 1.9212, 2.2947, 2.4472, 2.4091, 2.9479, 2.8973, 5.0591, 5.5134, 6.1483, 7.2166, 7.5177, 7.5704, 7.2248}, {0.5113, 0.5600, 0.7359, 0.6860, 0.7344, 0.6902, 0.7315, 0.7660, 0.7817, 0.7315, 1.7268, 1.5912, 1.8519, 2.2115, 2.4580, 2.1879, 2.9015, 4.1543, 4.6986, 5.3193, 5.6319, 6.5640, 8.2421, 5.6393}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1,1}, {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1,1,1,1,1}, {0.79479, 0.52872, 0.90005, 0.77170, 0.73220, 0.72060, 0.75433, 0.75451, 0.75989, 0.67655, 1.68525, 1.31100, 1.46573, 1.99843, 1.57293, 1.62852, 2.10636, 1,1,1,1,1,1,1}, {0.4398, 0.5823, 0.7094, 0.7043, 0.7282, 0.7041, 0.6979, 0.7762, 0.7871, 0.7469, 1.7752, 1.7443, 2.2266, 2.4767, 2.4146, 2.6040, 2.5708, 4.4488, 4.4944, 5.9630, 6.3740, 8.1097, 8.4210, 7.8027}};