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Commit 667bfb01 authored by hbilel's avatar hbilel
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TDD config 4,5 harq,bundling,multiplexing,ack,nack 

config 4 tested with Amarisoft
parent 430a8c4e
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Showing with 431 additions and 8 deletions
openair1/PHY/LTE_TRANSPORT/phich.c
View file @ 667bfb01
......@@ -135,6 +135,17 @@ unsigned char subframe2_ul_harq(LTE_DL_FRAME_PARMS *frame_parms,unsigned char su
break;
case 4:
if ( (subframe == 8) || (subframe == 9) ) {
return(subframe-8);
} else {
LOG_E(PHY,"phich.c: subframe2_ul_harq, illegal subframe %d for tdd_config %d\n",
subframe,frame_parms->tdd_config);
return(0);
}
break;
}
return(0);
......
openair1/SCHED/phy_procedures_lte_common.c
View file @ 667bfb01
......@@ -105,7 +105,47 @@ void get_Msg3_alloc(LTE_DL_FRAME_PARMS *frame_parms,
*frame = (current_frame+2) & 1023;
break;
}
}
} else if (frame_parms->tdd_config == 4) {
switch (current_subframe) {
case 0:
case 4:
case 5:
case 6:
*subframe = 2;
*frame = (current_frame+1) & 1023;
break;
case 7:
*subframe = 3;
*frame = (current_frame+1) & 1023;
break;
case 8:
case 9:
*subframe = 2;
*frame = (current_frame+2) & 1023;
break;
}
} else if (frame_parms->tdd_config == 5) {
switch (current_subframe) {
case 0:
case 4:
case 5:
case 6:
*subframe = 2;
*frame = (current_frame+1) & 1023;
break;
case 7:
case 8:
case 9:
*subframe = 2;
*frame = (current_frame+2) & 1023;
break;
}
}
}
}
......@@ -137,6 +177,13 @@ void get_Msg3_alloc_ret(LTE_DL_FRAME_PARMS *frame_parms,
// original PUSCH in 3, PHICH in 9, ret in 3 next frame
// original PUSCH in 4, PHICH in 0, ret in 4 next frame
*frame=(current_frame+1) & 1023;
} else if (frame_parms->tdd_config == 4) {
// original PUSCH in 2, PHICH in 8, ret in 2 next frame
// original PUSCH in 3, PHICH in 9, ret in 3 next frame
*frame=(current_frame+1) & 1023;
} else if (frame_parms->tdd_config == 5) {
// original PUSCH in 2, PHICH in 8, ret in 2 next frame
*frame=(current_frame+1) & 1023;
}
}
}
......@@ -253,6 +300,24 @@ unsigned char ul_ACK_subframe2_dl_subframe(LTE_DL_FRAME_PARMS *frame_parms,unsig
break;
case 4:
if (subframe == 2) { // ACK subframes 0, 4 and 5
//if (ACK_index==2)
// return(1); TBC
if (ACK_index==2)
return(0);
return(4+ACK_index);
} else if (subframe == 3) { // ACK subframes 6, 7 8 and 9
return(6+ACK_index); // To be updated
} else {
LOG_E(PHY,"phy_procedures_lte_common.c/subframe2_dl_harq_pid: illegal subframe %d for tdd_config %d\n",
subframe,frame_parms->tdd_config);
return(0);
}
break;
case 1:
if (subframe == 2) { // ACK subframes 5 and 6
return(5+ACK_index);
......@@ -297,6 +362,30 @@ unsigned char ul_ACK_subframe2_M(LTE_DL_FRAME_PARMS *frame_parms,unsigned char s
break;
case 4:
if (subframe == 2) { // ACK subframes 0,4 and 5
return(3); // should be 4
} else if (subframe == 3) { // ACK subframes 6,7,8 and 9
return(4);
} else {
LOG_E(PHY,"phy_procedures_lte_common.c/subframe2_dl_harq_pid: illegal subframe %d for tdd_config %d\n",
subframe,frame_parms->tdd_config);
return(0);
}
break;
case 5:
if (subframe == 2) { // ACK subframes 0,3,4,5,6,7,8 and 9
return(8); // should be 3
} else {
LOG_E(PHY,"phy_procedures_lte_common.c/subframe2_dl_harq_pid: illegal subframe %d for tdd_config %d\n",
subframe,frame_parms->tdd_config);
return(0);
}
break;
case 1:
if (subframe == 2) { // ACK subframes 5 and 6
return(2);
......@@ -331,7 +420,7 @@ uint8_t get_reset_ack(LTE_DL_FRAME_PARMS *frame_parms,
uint8_t do_reset) // 1 to reset ACK/NACK status : 0 otherwise
{
uint8_t status=0;
uint8_t subframe_ul=0xff, subframe_dl0=0xff, subframe_dl1=0xff;
uint8_t subframe_ul=0xff, subframe_dl0=0xff, subframe_dl1=0xff,subframe_dl2=0xff, subframe_dl3=0xff;
// printf("get_ack: SF %d\n",subframe);
if (frame_parms->frame_type == FDD) {
......@@ -485,6 +574,63 @@ uint8_t get_reset_ack(LTE_DL_FRAME_PARMS *frame_parms,
break;
case 4:
if (subframe_tx == 2) { // ACK subframes 4, 5 and 0
subframe_dl0 = 4;
subframe_dl1 = 5;
subframe_dl2 = 0;
subframe_ul = 2;
//printf("subframe_tx 2, TDD config 3: harq_ack[5] = %d (%d),harq_ack[6] = %d (%d)\n",harq_ack[5].ack,harq_ack[5].send_harq_status,harq_ack[6].ack,harq_ack[6].send_harq_status);
} else if (subframe_tx == 3) { // ACK subframes 6, 7 8 and 9
subframe_dl0 = 6;
subframe_dl1 = 7;
subframe_dl2 = 8;
subframe_dl3 = 9;
subframe_ul = 3;
//printf("Subframe 3, TDD config 3: harq_ack[7] = %d,harq_ack[8] = %d\n",harq_ack[7].ack,harq_ack[8].ack);
//printf("status %d : o_ACK (%d,%d)\n", status,o_ACK[0],o_ACK[1]);
} else {
LOG_E(PHY,"phy_procedures_lte.c: get_ack, illegal subframe_tx %d for tdd_config %d\n",
subframe_tx,frame_parms->tdd_config);
return(0);
}
// report ACK/NACK status
o_ACK[cw_idx] = 0;
if (harq_ack[subframe_dl0].send_harq_status == 1)
o_ACK[cw_idx] = harq_ack[subframe_dl0].ack;
if (harq_ack[subframe_dl1].send_harq_status == 1)
o_ACK[cw_idx] &= harq_ack[subframe_dl1].ack;
if (harq_ack[subframe_dl2].send_harq_status == 1)
o_ACK[cw_idx] &= harq_ack[subframe_dl2].ack;
if (harq_ack[subframe_dl3].send_harq_status == 1)
o_ACK[cw_idx] &= harq_ack[subframe_dl3].ack;
pN_bundled[0] = harq_ack[subframe_rx].vDAI_UL;
status = harq_ack[subframe_dl0].send_harq_status + harq_ack[subframe_dl1].send_harq_status + harq_ack[subframe_dl2].send_harq_status + harq_ack[subframe_dl3].send_harq_status;
LOG_I(PHY,"TDD Config3 UL Sfn %d, dl Sfn0 %d status %d o_Ack %d, dl Sfn1 %d status %d o_Ack %d dl Sfn2 %d status %d o_Ack %d dl Sfn3 %d status %d o_Ack %d subframe_rx %d N_bundled %d status %d\n",
subframe_tx, subframe_dl0, harq_ack[subframe_dl0].send_harq_status,harq_ack[subframe_dl0].ack,
subframe_dl1, harq_ack[subframe_dl1].send_harq_status,harq_ack[subframe_dl1].ack,
subframe_dl2, harq_ack[subframe_dl2].send_harq_status,harq_ack[subframe_dl2].ack,
subframe_dl3, harq_ack[subframe_dl3].send_harq_status,harq_ack[subframe_dl3].ack,subframe_rx, pN_bundled[0], status);
if (do_reset) {
// reset ACK/NACK status
harq_ack[subframe_dl0].ack = 2;
harq_ack[subframe_dl1].ack = 2;
harq_ack[subframe_dl2].ack = 2;
harq_ack[subframe_dl3].ack = 2;
harq_ack[subframe_dl0].send_harq_status = 0;
harq_ack[subframe_dl1].send_harq_status = 0;
harq_ack[subframe_dl2].send_harq_status = 0;
harq_ack[subframe_dl3].send_harq_status = 0;
}
break;
}
}
......@@ -609,6 +755,29 @@ lte_subframe_t subframe_select(LTE_DL_FRAME_PARMS *frame_parms,unsigned char sub
return(255);
}
case 4:
if ((subframe<1) || (subframe>=4))
return(SF_DL);
else if ((subframe>1) && (subframe < 4))
return(SF_UL);
else if (subframe==1)
return (SF_S);
else {
LOG_E(PHY,"[PHY_PROCEDURES_LTE] Unknown subframe number\n");
return(255);
}
case 5:
if ((subframe<1) || (subframe>=3))
return(SF_DL);
else if ((subframe>1) && (subframe < 3))
return(SF_UL);
else if (subframe==1)
return (SF_S);
else {
LOG_E(PHY,"[PHY_PROCEDURES_LTE] Unknown subframe number\n");
return(255);
}
break;
default:
......@@ -683,13 +852,13 @@ unsigned int is_phich_subframe(LTE_DL_FRAME_PARMS *frame_parms,unsigned char sub
break;
case 4:
if ((subframe == 0) || (subframe == 8) )
if ((subframe == 8) || (subframe == 9) )
return(1);
break;
case 5:
if (subframe == 0)
if (subframe == 8)
return(1);
break;
......
openair1/SCHED/phy_procedures_lte_ue.c
View file @ 667bfb01
......@@ -700,13 +700,14 @@ uint16_t get_n1_pucch(PHY_VARS_UE *ue,
{
LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
uint8_t nCCE0,nCCE1,harq_ack1,harq_ack0;
uint8_t nCCE0,nCCE1,nCCE2,nCCE3,harq_ack1,harq_ack0,harq_ack3,harq_ack2;
ANFBmode_t bundling_flag;
uint16_t n1_pucch0=0,n1_pucch1=0;
uint16_t n1_pucch0=0,n1_pucch1=0,n1_pucch2=0,n1_pucch3=0,n1_pucch_inter,pucch_sel_inter;
static uint8_t candidate_dl[9]; // which downlink(s) the current ACK/NACK is associating to
uint8_t last_dl=0xff; // the last downlink with valid DL-DCI. for calculating the PUCCH resource index
int sf;
int M;
uint8_t ack_counter=0;
// clear this, important for case where n1_pucch selection is not used
int subframe=proc->subframe_tx;
......@@ -726,10 +727,10 @@ uint16_t get_n1_pucch(PHY_VARS_UE *ue,
#ifdef DEBUG_PHY_PROC
if (bundling_flag==bundling) {
LOG_D(PHY,"[UE%d] Frame %d subframe %d : get_n1_pucch, bundling, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,SR,
LOG_I(PHY,"[UE%d] Frame %d subframe %d : get_n1_pucch, bundling, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,SR,
ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
} else {
LOG_D(PHY,"[UE%d] Frame %d subframe %d : get_n1_pucch, multiplexing, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,SR,
LOG_I(PHY,"[UE%d] Frame %d subframe %d : get_n1_pucch, multiplexing, SR %d/%d\n",ue->Mod_id,proc->frame_tx,subframe,SR,
ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
}
......@@ -835,6 +836,11 @@ uint16_t get_n1_pucch(PHY_VARS_UE *ue,
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[5+last_dl].send_harq_status>0) // n-6 // subframe 5 is to be ACK/NAKed
harq_ack0 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[5+last_dl].ack;
LOG_D(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d cce1=%d n1_pucch1=%d\n",
proc->frame_tx%1024,
proc->subframe_tx,
nCCE0,n1_pucch0,
nCCE1,n1_pucch1);
if (harq_ack1!=2) { // n-6 // subframe 6,8,0 and maybe 5,7,9 is to be ACK/NAKed
......@@ -891,6 +897,243 @@ uint16_t get_n1_pucch(PHY_VARS_UE *ue,
break;
case 4: // DL:S:UL:UL:DL:DL:DL:DL:DL:DL
// in this configuration we have M=4 from pg 68 of 36.213 (v8.6)
// Note: this doesn't allow using subframe 1 for PDSCH transmission!!! (i.e. SF 1 cannot be acked in SF 2)
// set ACK/NAKs to DTX
harq_ack3 = 2; // DTX
harq_ack2 = 2; // DTX
harq_ack1 = 2; // DTX
harq_ack0 = 2; // DTX
// This is the offset for a particular subframe (2,3,4) => (0,2,4)
//last_dl = (subframe-2)<<1;
if (subframe == 2) {
// i=0
//nCCE0 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[2+subframe];
nCCE0 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[(8+subframe)%10];
n1_pucch0 = 2*get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
// i=1
nCCE1 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[2+subframe];
n1_pucch1 = get_Np(frame_parms->N_RB_DL,nCCE1,0) + get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
// i=2
nCCE2 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[(8+subframe)%10];
n1_pucch2 = 2*get_Np(frame_parms->N_RB_DL,nCCE2,1) + nCCE2+ frame_parms->pucch_config_common.n1PUCCH_AN;
// i=3
//nCCE3 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[(9+subframe)%10];
//n1_pucch3 = get_Np(frame_parms->N_RB_DL,nCCE3,1) + nCCE3 + frame_parms->pucch_config_common.n1PUCCH_AN;
// set ACK/NAK to values if not DTX
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(8+subframe)%10].send_harq_status>0) // n-6 // subframe 6 is to be ACK/NAKed
harq_ack0 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(8+subframe)%10].ack;
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[2+subframe].send_harq_status>0) // n-6 // subframe 5 is to be ACK/NAKed
harq_ack1 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[2+subframe].ack;
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[3+subframe].send_harq_status>0) // n-6 // subframe 6 is to be ACK/NAKed
harq_ack2 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[3+subframe].ack;
//if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(9+subframe)%10].send_harq_status>0) // n-6 // subframe 5 is to be ACK/NAKed
//harq_ack3 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(9+subframe)%10].ack;
//LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d cce1=%d n1_pucch1=%d cce2=%d n1_pucch2=%d\n",
// proc->frame_tx%1024,
// proc->subframe_tx,
// nCCE0,n1_pucch0,
// nCCE1,n1_pucch1, nCCE2, n1_pucch2);
}else if (subframe == 3) {
// i=0
nCCE0 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[4+subframe];
n1_pucch0 = 3*get_Np(frame_parms->N_RB_DL,nCCE0,0) + nCCE0+ frame_parms->pucch_config_common.n1PUCCH_AN;
// i=1
nCCE1 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[5+subframe];
n1_pucch1 = 2*get_Np(frame_parms->N_RB_DL,nCCE1,0) + get_Np(frame_parms->N_RB_DL,nCCE1,1) + nCCE1 + frame_parms->pucch_config_common.n1PUCCH_AN;
// i=2
nCCE2 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[(6+subframe)];
n1_pucch2 = get_Np(frame_parms->N_RB_DL,nCCE2,0) + 2*get_Np(frame_parms->N_RB_DL,nCCE2,1) + nCCE2+ frame_parms->pucch_config_common.n1PUCCH_AN;
// i=3
nCCE3 = ue->pdcch_vars[proc->subframe_rx & 0x1][eNB_id]->nCCE[(3+subframe)];
n1_pucch3 = 3*get_Np(frame_parms->N_RB_DL,nCCE3,1) + nCCE3 + frame_parms->pucch_config_common.n1PUCCH_AN;
// set ACK/NAK to values if not DTX
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[4+subframe].send_harq_status>0) // n-6 // subframe 6 is to be ACK/NAKed
harq_ack0 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[4+subframe].ack;
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[5+subframe].send_harq_status>0) // n-6 // subframe 5 is to be ACK/NAKed
harq_ack1 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[5+subframe].ack;
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(6+subframe)].send_harq_status>0) // n-6 // subframe 6 is to be ACK/NAKed
harq_ack2 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(6+subframe)].ack;
if (ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(3+subframe)].send_harq_status>0) // n-6 // subframe 5 is to be ACK/NAKed
harq_ack3 = ue->dlsch[proc->subframe_rx&0x1][eNB_id][0]->harq_ack[(3+subframe)].ack;
}
//LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch cce0=%d n1_pucch0=%d harq_ack0=%d cce1=%d n1_pucch1=%d harq_ack1=%d cce2=%d n1_pucch2=%d harq_ack2=%d cce3=%d n1_pucch3=%d harq_ack3=%d bundling_flag=%d\n",
// proc->frame_tx%1024,
// proc->subframe_tx,
// nCCE0,n1_pucch0,harq_ack0,
// nCCE1,n1_pucch1,harq_ack1, nCCE2, n1_pucch2, harq_ack2,
// nCCE3, n1_pucch3, harq_ack3, bundling_flag);
if ((bundling_flag==bundling)&&(SR == 0)) { // This is for bundling without SR,
if ((harq_ack0!=2) ) {
b[0] = harq_ack0;
n1_pucch_inter = n1_pucch0;
pucch_sel_inter = 0;
}
if ((harq_ack1!=2) ) {
b[0] = b[0]&harq_ack1;
n1_pucch_inter = n1_pucch1;
pucch_sel_inter = 1;
}
if ((harq_ack2!=2) ) {
b[0] = b[0]&harq_ack2;
n1_pucch_inter = n1_pucch2;
pucch_sel_inter = 2;
}
if ((harq_ack3!=2) ) {
b[0] = b[0]&harq_ack3;
n1_pucch_inter = n1_pucch3;
pucch_sel_inter = 3;
}
if (subframe == 3) {
n1_pucch_inter = n1_pucch2;
} else if (subframe == 2) {
n1_pucch_inter = n1_pucch2;
}
//LOG_I(PHY,"SFN/SF %d/%d calculating n1_pucch n1_pucch_inter=%d pucch_sel_inter=%d b[0]=%d b[1]=%d \n",
// proc->frame_tx%1024,
// proc->subframe_tx,n1_pucch_inter,
// pucch_sel_inter,b[0],b[1]);
return(n1_pucch_inter);
} else if ((bundling_flag==multiplexing)&&(SR==0)) { // Table 10.1
if ((harq_ack0 == 1) && (harq_ack1 == 1) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
b[1] = 1;
b[0] = 1;
return(n1_pucch1);
} else if ((harq_ack0 == 1) && (harq_ack1 == 1) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 1;
b[1] = 0;
return(n1_pucch1);
} else if (((harq_ack0 == 0) || (harq_ack0 == 2)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 0) && (harq_ack3 == 2)) {
b[1] = 1;
b[0] = 1;
return(n1_pucch2);
} else if ((harq_ack0 == 1) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
b[1] = 1;
b[0] = 0;
return(n1_pucch1);
} else if ((harq_ack0 == 0) && (harq_ack1 == 2) && (harq_ack2 == 2) && (harq_ack3 == 2)) {
b[1] = 1;
b[0] = 0;
return(n1_pucch0);
} else if ((harq_ack0 == 1) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[1] = 1;
b[0] = 0;
return(n1_pucch1);
} else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
b[0] = 0;
b[1] = 1;
return(n1_pucch3);
} else if (((harq_ack0 == 0) || (harq_ack0 == 2)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 0)) {
b[1] = 1;
b[0] = 1;
return(n1_pucch3);
} else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 0;
b[1] = 1;
return(n1_pucch2);
} else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
b[0] = 0;
b[1] = 1;
return(n1_pucch0);
} else if ((harq_ack0 == 1) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 0;
b[1] = 1;
return(n1_pucch0);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
b[0] = 0;
b[1] = 1;
return(n1_pucch3);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 0) && (harq_ack2 == 2) && (harq_ack3 == 2)) {
b[0] = 0;
b[1] = 0;
return(n1_pucch1);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 1;
b[1] = 0;
return(n1_pucch2);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && (harq_ack3 == 1)) {
b[0] = 1;
b[1] = 0;
return(n1_pucch3);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && (harq_ack1 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0)) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 0;
b[1] = 1;
return(n1_pucch1);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && (harq_ack3 == 1)) {
b[0] = 0;
b[1] = 1;
return(n1_pucch3);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack2 == 1) && ((harq_ack3 == 2) || (harq_ack3 == 0))) {
b[0] = 0;
b[1] = 0;
return(n1_pucch2);
} else if (((harq_ack0 == 2) || (harq_ack0 == 0)) && ((harq_ack1 == 2) || (harq_ack1 == 0)) && (harq_ack3 == 1) && ((harq_ack2 == 2) || (harq_ack2 == 0))) {
b[0] = 0;
b[1] = 0;
return(n1_pucch3);
}
} else if (SR==1) { // SR and 0,1,or 2 ACKS, (first 3 entries in Table 7.3-1 of 36.213)
// this should be number of ACKs (including
if (harq_ack0==1)
ack_counter ++;
if (harq_ack1==1)
ack_counter ++;
if (harq_ack2==1)
ack_counter ++;
if (harq_ack3==1)
ack_counter ++;
switch (ack_counter) {
case 0:
b[0] = 0;
b[1] = 0;
break;
case 1:
b[0] = 1;
b[1] = 1;
break;
case 2:
b[0] = 1;
b[1] = 0;
break;
case 3:
b[0] = 0;
b[1] = 1;
break;
case 4:
b[0] = 1;
b[1] = 1;
break;
}
ack_counter = 0;
return(ue->scheduling_request_config[eNB_id].sr_PUCCH_ResourceIndex);
}
break;
} // switch tdd_config
}
......
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