maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bug fix for QPSK modulation

Browse Source
This commit is contained in:
Wang Tsu-Han
2018-06-08 19:29:12 +02:00
parent 7e00727ce7
commit bc691f05c5
2 changed files with 11 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/INIT/init_top.c
+1
View File
@@ -47,6 +47,7 @@ void init_lte_top(LTE_DL_FRAME_PARMS *frame_parms)
generate_64qam_table();
generate_16qam_table();
generate_qpsk_table();
generate_RIV_tables();
init_unscrambling_lut();
openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
+10 -10
View File
@@ -2175,8 +2175,8 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
uint8_t mod_order0 = 0;
uint8_t mod_order1 = 0;
int16_t amp_rho_a, amp_rho_b;
int16_t qam16_table_a0[4],qam64_table_a0[8],qam16_table_b0[4],qam64_table_b0[8];//qpsk_table_a0[2],qpsk_table_b0[2]
int16_t qam16_table_a1[4],qam64_table_a1[8],qam16_table_b1[4],qam64_table_b1[8];//qpsk_table_a1[2],qpsk_table_b1[2]
int16_t qam16_table_a0[4],qam64_table_a0[8],qam16_table_b0[4],qam64_table_b0[8],qpsk_table_a0[2],qpsk_table_b0[2];
int16_t qam16_table_a1[4],qam64_table_a1[8],qam16_table_b1[4],qam64_table_b1[8],qpsk_table_a1[2],qpsk_table_b1[2];
int16_t *qam_table_s0=NULL,*qam_table_s1=NULL;
#ifdef NEW_ALLOC_RE
@@ -2289,7 +2289,7 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
amp_rho_b = (int16_t)(((int32_t)amp*dlsch1->sqrt_rho_b)>>13);
}
/*if(mod_order0 == 2)
if(mod_order0 == 2)
{
for(i=0;i<2;i++)
{
@@ -2297,7 +2297,7 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
qpsk_table_b0[i] = (int16_t)(((int32_t)qpsk_table[i]*amp_rho_b)>>15);
}
}
else*/ if (mod_order0 == 4)
else if (mod_order0 == 4)
for (i=0;i<4; i++) {
qam16_table_a0[i] = (int16_t)(((int32_t)qam16_table[i]*amp_rho_a)>>15);
qam16_table_b0[i] = (int16_t)(((int32_t)qam16_table[i]*amp_rho_b)>>15);
@@ -2308,14 +2308,14 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
qam64_table_b0[i] = (int16_t)(((int32_t)qam64_table[i]*amp_rho_b)>>15);
}
/*if (mod_order1 == 2)
if (mod_order1 == 2)
{
for (i=0; i<2; i++) {
qpsk_table_a1[i] = (int16_t)(((int32_t)qpsk_table[i]*amp_rho_a)>>15);
qpsk_table_b1[i] = (int16_t)(((int32_t)qpsk_table[i]*amp_rho_b)>>15);
}
}
else*/ if (mod_order1 == 4)
else if (mod_order1 == 4)
for (i=0; i<4; i++) {
qam16_table_a1[i] = (int16_t)(((int32_t)qam16_table[i]*amp_rho_a)>>15);
qam16_table_b1[i] = (int16_t)(((int32_t)qam16_table[i]*amp_rho_b)>>15);
@@ -2445,7 +2445,7 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
switch (mod_order0) {
case 2:
qam_table_s0 = NULL;
/*if (pilots) {
if (pilots) {
qam_table_s0 = qpsk_table_b0;
#ifdef NEW_ALLOC_RE
// TODO: remove this code? //
@@ -2463,7 +2463,7 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
allocate_REs_in_RB;
#endif
}*/
}
break;
case 4:
if (pilots) {
@@ -2517,12 +2517,12 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
/* TODO: remove this code? */
allocate_REs = allocate_REs_in_RB;
#endif
/*if (pilots) {
if (pilots) {
qam_table_s1 = qpsk_table_b1;
}
else {
qam_table_s1 = qpsk_table_a1;
}*/
}
break;
case 4:
if (pilots) {