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Commit 995ffc9c authored by Javier Morgade's avatar Javier Morgade
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-Implemented MAC PDU subheader and RAR PDU decoding accordingly to TS 136 321 sec 6.5

parent a0ae0c07
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openair1/PHY/LTE_TRANSPORT/rar_tools.c
View file @ 995ffc9c
......@@ -178,6 +178,231 @@ int generate_eNB_ulsch_params_from_rar(unsigned char *rar_pdu,
int8_t delta_PUSCH_msg2[8] = {-6,-4,-2,0,2,4,6,8};
#define CMW
#ifdef CMW
int generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
unsigned char eNB_id )
{
int bi_flag=0;
int j_rapdi_index=0;
int i,j;
// RA_HEADER_RAPID *rarh = (RA_HEADER_RAPID *)rar_pdu;
uint8_t transmission_mode = phy_vars_ue->transmission_mode[eNB_id];
//unsigned char *rar_pdu = phy_vars_ue->dlsch_ue_ra[eNB_id]->harq_processes[0]->b;
unsigned char *dlsch_buffer = phy_vars_ue->dlsch_ue_ra[eNB_id]->harq_processes[0]->b;
unsigned char subframe = phy_vars_ue->ulsch_ue_Msg3_subframe[eNB_id];
LTE_UE_ULSCH_t *ulsch = phy_vars_ue->ulsch_ue[eNB_id];
PHY_MEASUREMENTS *meas = &phy_vars_ue->PHY_measurements;
LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_ue->lte_frame_parms;
// int current_dlsch_cqi = phy_vars_ue->current_dlsch_cqi[eNB_id];
//uint8_t *rar = (uint8_t *)(rar_pdu+1);
uint8_t harq_pid = subframe2harq_pid(frame_parms,phy_vars_ue->frame_tx,subframe);
uint16_t rballoc;
uint8_t cqireq;
uint16_t *RIV2nb_rb_LUT, *RIV2first_rb_LUT;
uint16_t RIV_max = 0;
LOG_I(PHY,"[eNB][RAPROC] Frame %d: generate_ue_ulsch_params_from_rar: subframe %d (harq_pid %d)\n",phy_vars_ue->frame_tx,subframe,harq_pid);
for( i=0; i < 8; i++ ){
if( ((dlsch_buffer[i]&0x80)>>7) ){
if( i==0 && ((dlsch_buffer[i]&0x40)>>6)==0 ){ //BI sub-header
/*LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/R(%d)/R(%d)/BI(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x20)>>5), //R
((dlsch_buffer[i]&0x10)>>4), //R
((dlsch_buffer[i]&0x0F))); //BI*/
bi_flag=1;
}else{ //Regular RAPID
/*LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/RAPID(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x3f))); //RAPID*/
}
}else{
/*LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/RAPID(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x3f))); //RAPID
rarh->RAPID = ((dlsch_buffer[i]&0x3f));*/
j_rapdi_index=i++;
if(bi_flag)
j_rapdi_index--;
break;
}
}
//i++;
/*for(j=0; j < i*6; j+=6 ){
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->Timing_Advance_Command %d\n",module_idP,j/6,(((uint16_t)(dlsch_buffer[i+j]&0x7f))<<4) + (dlsch_buffer[i+j+1]>>4));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->rballoc %d\n",module_idP,j/6,(((uint16_t)(dlsch_buffer[i+j+1]&7))<<7)|(dlsch_buffer[i+j+2]>>1));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->mcs %d\n",module_idP,j/6,((dlsch_buffer[i+j+2]&1)<<3)|(dlsch_buffer[i+j+3]>>5));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->TPC %d\n",module_idP,j/6,(dlsch_buffer[i+j+3]>>3)&7);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->cqi %d\n",module_idP,j/6,dlsch_buffer[i+j+3]&1);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->t_crnti %x\n",module_idP,j/6,(uint16_t)dlsch_buffer[i+j+5]+(dlsch_buffer[i+j+4]<<8));
}*/
LOG_W(MAC,"[UE %d][RAPROC] Processing RAR PDU: TA(%d),rballoc(%d),mcs(%d),TPC(%d),cqi(%d),t_cnrti(%x)\n",phy_vars_ue->Mod_id,
(((uint16_t)(dlsch_buffer[i+j_rapdi_index*6]&0x7f))<<4) + (dlsch_buffer[i+j_rapdi_index*6+1]>>4),
(((uint16_t)(dlsch_buffer[i+j_rapdi_index*6+1]&7))<<7)|(dlsch_buffer[i+j_rapdi_index*6+2]>>1),
((dlsch_buffer[i+j_rapdi_index*6+2]&1)<<3)|(dlsch_buffer[i+j_rapdi_index*6+3]>>5),
(dlsch_buffer[i+j_rapdi_index*6+3]>>3)&7,
dlsch_buffer[i+j_rapdi_index*6+3]&1,
(uint16_t)dlsch_buffer[i+j_rapdi_index*6+5]+(dlsch_buffer[i+j_rapdi_index*6+4]<<8));
switch (frame_parms->N_RB_DL) {
case 6:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT6[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT6[0];
RIV_max = RIV_max6;
break;
case 25:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT25[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT25[0];
RIV_max = RIV_max25;
break;
case 50:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT50[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT50[0];
RIV_max = RIV_max50;
break;
case 100:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT100[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT100[0];
RIV_max = RIV_max100;
break;
default:
DevParam(frame_parms->N_RB_DL, eNB_id, harq_pid);
break;
}
printf("RIV_max %d\n",RIV_max);
//ulsch->harq_processes[harq_pid]->TPC = (rar[3]>>3)&7;//rar->TPC;
ulsch->harq_processes[harq_pid]->TPC = (dlsch_buffer[i+j_rapdi_index*6+3]>>3)&7;//rar->TPC;
//rballoc = (((uint16_t)(rar[1]&7))<<7)|(rar[2]>>1);
rballoc = (((uint16_t)(dlsch_buffer[i+j_rapdi_index*6+1]&7))<<7)|(dlsch_buffer[i+j_rapdi_index*6+2]>>1);
//cqireq=rar[3]&1;
cqireq=dlsch_buffer[i+j_rapdi_index*6+3]&1;
if (rballoc>RIV_max) {
printf("rar_tools.c: ERROR: rb_alloc (%x) > RIV_max\n",rballoc);
return(-1);
}
ulsch->harq_processes[harq_pid]->first_rb = RIV2first_rb_LUT[rballoc];
ulsch->harq_processes[harq_pid]->nb_rb = RIV2nb_rb_LUT[rballoc];
ulsch->harq_processes[harq_pid]->first_rb = rballoc%25;
ulsch->harq_processes[harq_pid]->nb_rb = rballoc/25+1;
if (ulsch->harq_processes[harq_pid]->nb_rb ==0){
printf("Error\n");
return(-1);
}
ulsch->power_offset = ue_power_offsets[ulsch->harq_processes[harq_pid]->nb_rb];
if (ulsch->harq_processes[harq_pid]->nb_rb > 4) {
printf("rar_tools.c: unlikely rb count for RAR grant : nb_rb > 3\n");
//return(-1);
}
// ulsch->harq_processes[harq_pid]->Ndi = 1;
if (ulsch->harq_processes[harq_pid]->round == 0)
ulsch->harq_processes[harq_pid]->status = ACTIVE;
if (cqireq==1) {
ulsch->O_RI = 1;
if (meas->rank[eNB_id] == 1) {
ulsch->uci_format = wideband_cqi_rank2_2A;
ulsch->O = sizeof_wideband_cqi_rank2_2A_5MHz;
ulsch->o_RI[0] = 1;
} else {
ulsch->uci_format = wideband_cqi_rank1_2A;
ulsch->O = sizeof_wideband_cqi_rank1_2A_5MHz;
ulsch->o_RI[0] = 0;
}
ulsch->uci_format = HLC_subband_cqi_nopmi;
fill_CQI(ulsch,meas,eNB_id,0,phy_vars_ue->lte_frame_parms.N_RB_DL,0, transmission_mode,phy_vars_ue->sinr_eff);
if (((phy_vars_ue->frame_tx % 100) == 0) || (phy_vars_ue->frame_tx < 10))
print_CQI(ulsch->o,ulsch->uci_format,eNB_id,phy_vars_ue->lte_frame_parms.N_RB_DL);
} else {
ulsch->O_RI = 0;
ulsch->O = 0;
}
ulsch->harq_processes[harq_pid]->O_ACK = 0;//2;
ulsch->beta_offset_cqi_times8 = 18;
ulsch->beta_offset_ri_times8 = 10;
ulsch->beta_offset_harqack_times8 = 16;
ulsch->Nsymb_pusch = 12-(frame_parms->Ncp<<1);
//ulsch->rnti = (((uint16_t)rar[4])<<8)+rar[5]; //rar->t_crnti;
ulsch->rnti = (uint16_t)dlsch_buffer[i+j_rapdi_index*6+5]+(dlsch_buffer[i+j_rapdi_index*6+4]<<8); //rar->t_crnti;
if (ulsch->harq_processes[harq_pid]->round == 0) {
ulsch->harq_processes[harq_pid]->status = ACTIVE;
ulsch->harq_processes[harq_pid]->rvidx = 0;
//ulsch->harq_processes[harq_pid]->mcs = ((rar[2]&1)<<3)|(rar[3]>>5);
ulsch->harq_processes[harq_pid]->mcs = ((dlsch_buffer[i+j_rapdi_index*6+2]&1)<<3)|(dlsch_buffer[i+j_rapdi_index*6+3]>>5);
//ulsch->harq_processes[harq_pid]->TPC = (rar[3]>>2)&7;
ulsch->harq_processes[harq_pid]->TPC = (dlsch_buffer[i+j_rapdi_index*6+3]>>3)&7;
//ulsch->harq_processes[harq_pid]->TBS = dlsch_tbs25[ulsch->harq_processes[harq_pid]->mcs][ulsch->harq_processes[harq_pid]->nb_rb-1];
ulsch->harq_processes[harq_pid]->TBS = TBStable[get_I_TBS_UL(ulsch->harq_processes[harq_pid]->mcs)][ulsch->harq_processes[harq_pid]->nb_rb-1];
ulsch->harq_processes[harq_pid]->Msc_initial = 12*ulsch->harq_processes[harq_pid]->nb_rb;
ulsch->harq_processes[harq_pid]->Nsymb_initial = 9;
ulsch->harq_processes[harq_pid]->round = 0;
} else {
ulsch->harq_processes[harq_pid]->rvidx = 0;
ulsch->harq_processes[harq_pid]->round++;
}
// initialize power control based on PRACH power
ulsch->f_pusch = delta_PUSCH_msg2[ulsch->harq_processes[harq_pid]->TPC] +
mac_xface->get_deltaP_rampup(phy_vars_ue->Mod_id,phy_vars_ue->CC_id);
LOG_D(PHY,"[UE %d][PUSCH PC] Initializing f_pusch to %d dB, TPC %d (delta_PUSCH_msg2 %d dB), deltaP_rampup %d dB\n",
phy_vars_ue->Mod_id,ulsch->f_pusch,ulsch->harq_processes[harq_pid]->TPC,delta_PUSCH_msg2[ulsch->harq_processes[harq_pid]->TPC],
mac_xface->get_deltaP_rampup(phy_vars_ue->Mod_id,phy_vars_ue->CC_id));
//#ifdef DEBUG_RAR
printf("ulsch ra (UE): harq_pid %d\n",harq_pid);
printf("ulsch ra (UE): NBRB %d\n",ulsch->harq_processes[harq_pid]->nb_rb);
printf("ulsch ra (UE): first_rb %x\n",ulsch->harq_processes[harq_pid]->first_rb);
printf("ulsch ra (UE): nb_rb %d\n",ulsch->harq_processes[harq_pid]->nb_rb);
printf("ulsch ra (UE): round %d\n",ulsch->harq_processes[harq_pid]->round);
printf("ulsch ra (UE): TBS %d\n",ulsch->harq_processes[harq_pid]->TBS);
printf("ulsch ra (UE): mcs %d\n",ulsch->harq_processes[harq_pid]->mcs);
printf("ulsch ra (UE): TPC %d\n",ulsch->harq_processes[harq_pid]->TPC);
printf("ulsch ra (UE): O %d\n",ulsch->O);
printf("ulsch ra (UE): ORI %d\n",ulsch->O_RI);
//#endif
return(-1);
return(0);
}
#else
int generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
unsigned char eNB_id )
{
......@@ -198,7 +423,7 @@ int generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
uint16_t *RIV2nb_rb_LUT, *RIV2first_rb_LUT;
uint16_t RIV_max = 0;
LOG_D(PHY,"[eNB][RAPROC] Frame %d: generate_ue_ulsch_params_from_rar: subframe %d (harq_pid %d)\n",phy_vars_ue->frame_tx,subframe,harq_pid);
LOG_I(PHY,"[eNB][RAPROC] Frame %d: generate_ue_ulsch_params_from_rar: subframe %d (harq_pid %d)\n",phy_vars_ue->frame_tx,subframe,harq_pid);
switch (frame_parms->N_RB_DL) {
case 6:
......@@ -238,20 +463,22 @@ int generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
cqireq=rar[3]&1;
if (rballoc>RIV_max) {
msg("rar_tools.c: ERROR: rb_alloc (%x) > RIV_max\n",rballoc);
return(-1);
printf("rar_tools.c: ERROR: rb_alloc (%x) > RIV_max\n",rballoc);
//return(-1);
}
ulsch->harq_processes[harq_pid]->first_rb = RIV2first_rb_LUT[rballoc];
ulsch->harq_processes[harq_pid]->nb_rb = RIV2nb_rb_LUT[rballoc];
if (ulsch->harq_processes[harq_pid]->nb_rb ==0)
if (ulsch->harq_processes[harq_pid]->nb_rb ==0){
printf("Error\n");
return(-1);
}
ulsch->power_offset = ue_power_offsets[ulsch->harq_processes[harq_pid]->nb_rb];
if (ulsch->harq_processes[harq_pid]->nb_rb > 4) {
msg("rar_tools.c: unlikely rb count for RAR grant : nb_rb > 3\n");
printf("rar_tools.c: unlikely rb count for RAR grant : nb_rb > 3\n");
return(-1);
}
......@@ -329,3 +556,6 @@ int generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
return(0);
}
#endif
#endif
openair2/LAYER2/MAC/rar_tools.c
View file @ 995ffc9c
......@@ -149,7 +149,9 @@ ue_process_rar(
)
//------------------------------------------------------------------------------
{
int j_rapdi_index=0;
int bi_flag=0;
int i,j,nh;
RA_HEADER_RAPID *rarh = (RA_HEADER_RAPID *)dlsch_buffer;
// RAR_PDU *rar = (RAR_PDU *)(dlsch_buffer+1);
uint8_t *rar = (uint8_t *)(dlsch_buffer+1);
......@@ -159,31 +161,72 @@ ue_process_rar(
return(0xffff);
}
#ifdef DEBUG_RAR
for( i=0; i < 8; i++ ){
if( ((dlsch_buffer[i]&0x80)>>7) ){
if( i==0 && ((dlsch_buffer[i]&0x40)>>6)==0 ){ //BI sub-header
LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/R(%d)/R(%d)/BI(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x20)>>5), //R
((dlsch_buffer[i]&0x10)>>4), //R
((dlsch_buffer[i]&0x0F))); //BI
bi_flag=1;
}else{ //Regular RAPID
LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/RAPID(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x3f))); //RAPID
}
}else{
LOG_I(MAC,"[UE %d][RAPROC] MAC sub-header(%d): E(%d)/T(%d)/RAPID(%d)\n",
module_idP,i,
((dlsch_buffer[i]&0x80)>>7), //E
((dlsch_buffer[i]&0x40)>>6), //T
((dlsch_buffer[i]&0x3f))); //RAPID
rarh->RAPID = ((dlsch_buffer[i]&0x3f));
j_rapdi_index=i++;
break;
}
}
//i++;
for(j=0; j < i*6; j+=6 ){
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->R %d\n",module_idP,j/6,(dlsch_buffer[i+j]>>7));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->Timing_Advance_Command %d\n",module_idP,j/6,(((uint16_t)(dlsch_buffer[i+j]&0x7f))<<4) + (dlsch_buffer[i+j+1]>>4));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->Hopping_Flag %d\n",(dlsch_buffer[i+j+1]&0x08)>>3);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->rballoc %d\n",module_idP,j/6,(((uint16_t)(dlsch_buffer[i+j+1]&7))<<7)|(dlsch_buffer[i+j+2]>>1)&0x01ff);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->mcs %d\n",module_idP,j/6,((dlsch_buffer[i+j+2]&1)<<3)|(dlsch_buffer[i+j+3]>>5));
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->TPC %d\n",module_idP,j/6,(dlsch_buffer[i+j+3]>>3)&7);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->cqi %d\n",module_idP,j/6,dlsch_buffer[i+j+3]&1);
LOG_I(MAC,"[UE %d][RAPROC] MAC RAR(%d) rar->t_crnti %x\n",module_idP,j/6,(uint16_t)dlsch_buffer[i+j+5]+(dlsch_buffer[i+j+4]<<8));
}
#endif
LOG_W(MAC,"[eNB %d][RAPROC] Frame %d Identified RAR,RAPID(%d): TA(%d),rballoc(%d),mcs(%d),TPC(%d),cqi(%d),t_cnrti(%x)\n",module_idP,frameP,((dlsch_buffer[j_rapdi_index]&0x3f)),
(((uint16_t)(dlsch_buffer[i+j_rapdi_index*6]&0x7f))<<4) + (dlsch_buffer[i+j_rapdi_index*6+1]>>4),
(((uint16_t)(dlsch_buffer[i+j_rapdi_index*6+1]&7))<<7)|(dlsch_buffer[i+j_rapdi_index*6+2]>>1),
((dlsch_buffer[i+j_rapdi_index*6+2]&1)<<3)|(dlsch_buffer[i+j_rapdi_index*6+3]>>5),
(dlsch_buffer[i+j_rapdi_index*6+3]>>3)&7,
dlsch_buffer[i+j_rapdi_index*6+3]&1,
(uint16_t)dlsch_buffer[i+j_rapdi_index*6+5]+(dlsch_buffer[i+j_rapdi_index*6+4]<<8));
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d Received RAR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for preamble %d/%d\n",module_idP,frameP,
*(uint8_t*)rarh,rar[0],rar[1],rar[2],rar[3],rar[4],rar[5],
rarh->RAPID,preamble_index);
#ifdef DEBUG_RAR
LOG_D(MAC,"[UE %d][RAPROC] rarh->E %d\n",module_idP,rarh->E);
LOG_D(MAC,"[UE %d][RAPROC] rarh->T %d\n",module_idP,rarh->T);
LOG_D(MAC,"[UE %d][RAPROC] rarh->RAPID %d\n",module_idP,rarh->RAPID);
// LOG_I(MAC,"[UE %d][RAPROC] rar->R %d\n",module_idP,rar->R);
LOG_I(MAC,"[UE %d][RAPROC] rar->Timing_Advance_Command %d\n",module_idP,(((uint16_t)(rar[0]&0x7f))<<4) + (rar[1]>>4));
// LOG_I(MAC,"[UE %d][RAPROC] rar->hopping_flag %d\n",module_idP,rar->hopping_flag);
// LOG_I(MAC,"[UE %d][RAPROC] rar->rb_alloc %d\n",module_idP,rar->rb_alloc);
// LOG_I(MAC,"[UE %d][RAPROC] rar->mcs %d\n",module_idP,rar->mcs);
// LOG_I(MAC,"[UE %d][RAPROC] rar->TPC %d\n",module_idP,rar->TPC);
// LOG_I(MAC,"[UE %d][RAPROC] rar->UL_delay %d\n",module_idP,rar->UL_delay);
// LOG_I(MAC,"[UE %d][RAPROC] rar->cqi_req %d\n",module_idP,rar->cqi_req);
LOG_I(MAC,"[UE %d][RAPROC] rar->t_crnti %x\n",module_idP,(uint16_t)rar[5]+(rar[4]<<8));
#endif
if (preamble_index == rarh->RAPID) {
*t_crnti = (uint16_t)rar[5]+(rar[4]<<8);//rar->t_crnti;
//if (preamble_index == rarh->RAPID) {
if (preamble_index == (dlsch_buffer[j_rapdi_index]&0x3f) ) {
//*t_crnti = (uint16_t)rar[5]+(rar[4]<<8);//rar->t_crnti;
*t_crnti = (uint16_t)dlsch_buffer[i+j_rapdi_index*6+5]+(dlsch_buffer[i+j_rapdi_index*6+4]<<8);
UE_mac_inst[module_idP].crnti = *t_crnti;//rar->t_crnti;
//return(rar->Timing_Advance_Command);
return((((uint16_t)(rar[0]&0x7f))<<4) + (rar[1]>>4));
//return((((uint16_t)(rar[0]&0x7f))<<4) + (rar[1]>>4));
return((((uint16_t)(dlsch_buffer[i+j_rapdi_index*6]&0x7f))<<4) + (dlsch_buffer[i+j_rapdi_index*6+1]>>4));
} else {
UE_mac_inst[module_idP].crnti=0;
return(0xffff);
......
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