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Commit cf7079a6 authored by Nick Ho's avatar Nick Ho
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fixed timing issue at fixed part

parent 6040f662
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Showing with 63 additions and 51 deletions
openair2/LAYER2/MAC/extern_NB_IoT.h
View file @ cf7079a6
......@@ -132,7 +132,9 @@ extern const int BSR_table[64];
extern const int dl_rep[3];
extern const uint32_t dci_rep[3];
extern const uint32_t harq_rep[3];
extern int cooooount;
extern int preamble_trigger;
extern int preamble_sfn;
//SIBs
extern int extend_space[2];
extern int extend_alpha_offset[2];
......
openair2/LAYER2/MAC/main_NB_IoT.c
View file @ cf7079a6
......@@ -144,8 +144,11 @@ void init_mac_NB_IoT(eNB_MAC_INST_NB_IoT *mac_inst)
//Initialize uplink resource from nprach configuration
Initialize_Resource();
//add_UL_Resource(mac_inst);
extend_available_resource_DL(mac_inst, mac_inst->current_subframe + 1 + 160);
cooooount = 0;
extend_available_resource_DL(mac_inst, mac_inst->current_subframe + 1 + 160);
// for fixed scheduling
preamble_trigger = 0;
preamble_sfn = 0;
}
......
openair2/LAYER2/MAC/output_handler_NB_IoT.c
View file @ cf7079a6
......@@ -37,47 +37,50 @@
#define fixed_scheduling 1
int init_time=0;
int delay_time=0;
int rar_transmit = 0;
int fixed_scheduler(uint32_t frame, uint32_t subframe, Sched_Rsp_NB_IoT_t *SCHED_info)
{
int RARNTI = 0;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
if(cooooount==1)
{
init_time++;
}
if(cooooount==1 && init_time==6)
if(preamble_trigger==1 && subframe==7 && rar_transmit==0)
{
RARNTI = 1 + preamble_sfn/4;
//DCI
LOG_I(MAC,"[frame:%2d][subframe:%2d]NB-IoT fill DL_DCI\n",frame,subframe);
dl_config_pdu = SCHED_info->DL_req->dl_config_request_body.dl_config_pdu_list;
SCHED_info->DL_req->dl_config_request_body.number_dci = 1;
SCHED_info->DL_req->dl_config_request_body.number_pdu = 1;
// not consider the case transmitting 2 DCIs for the moment also not consider N2 now
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_NPDCCH_PDU_TYPE;
dl_config_pdu->pdu_size = 2+sizeof(nfapi_dl_config_npdcch_pdu_rel13_t);
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.length = 7;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.pdu_index = 1;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.ncce_index = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.aggregation_level = 1;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.rnti_type = 1; // 1 =
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.rnti = 133; // RA-RNTI = 1+floor(SFN/4)
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.dci_format = 0; // N1
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.scheduling_delay = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.resource_assignment = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.repetition_number = 2;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.mcs = 4;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.new_data_indicator = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.harq_ack_resource = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.npdcch_order_indication = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.dci_subframe_repetition_number = 2;
dl_config_pdu = SCHED_info->DL_req->dl_config_request_body.dl_config_pdu_list;
SCHED_info->DL_req->dl_config_request_body.number_dci = 1;
SCHED_info->DL_req->dl_config_request_body.number_pdu = 1;
// not consider the case transmitting 2 DCIs for the moment also not consider N2 now
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_NPDCCH_PDU_TYPE;
dl_config_pdu->pdu_size = 2+sizeof(nfapi_dl_config_npdcch_pdu_rel13_t);
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.length = 7;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.pdu_index = 1;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.ncce_index = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.aggregation_level = 1;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.rnti_type = 1; // 1 =
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.rnti = RARNTI; // RA-RNTI = 1+floor(SFN/4)
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.dci_format = 0; // N1
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.scheduling_delay = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.resource_assignment = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.repetition_number = 2;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.mcs = 4;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.new_data_indicator = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.harq_ack_resource = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.npdcch_order_indication = 0;
dl_config_pdu->npdcch_pdu.npdcch_pdu_rel13.dci_subframe_repetition_number = 2;
rar_transmit=1;
delay_time=1;
return 1;
}
if(cooooount==1 && init_time==15)
if(rar_transmit==1)
delay_time++;
if(rar_transmit==1 && delay_time==10)
{
LOG_I(MAC,"[frame:%2d][subframe:%2d]NB-IoT fill DL Data\n",frame,subframe);
LOG_I(MAC,"[frame:%2d][subframe:%2d]NB-IoT fill DL Data\n",frame,subframe);
RARNTI = 1 + preamble_sfn/4;
uint8_t *rar_pdu;
rar_pdu = (uint8_t *)malloc(7*sizeof(uint8_t));
rar_pdu[0] = 64; // + preamble index
......@@ -88,21 +91,22 @@ int fixed_scheduler(uint32_t frame, uint32_t subframe, Sched_Rsp_NB_IoT_t *SCHED
rar_pdu[5] = 255;
rar_pdu[6] = 242;
dl_config_pdu = SCHED_info->DL_req->dl_config_request_body.dl_config_pdu_list;
SCHED_info->DL_req->dl_config_request_body.number_pdu = 1;
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_NDLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = 2+sizeof(nfapi_dl_config_ndlsch_pdu_rel13_t);
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.length = 7;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.pdu_index = 1;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.rnti_type = 1;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.rnti = 133; // C-RNTI
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.resource_assignment = 0;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.repetition_number = 2;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.modulation = 2;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.number_of_subframes_for_resource_assignment = get_num_sf(dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.resource_assignment);
SCHED_info->TX_req->tx_request_body.tx_pdu_list[dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.pdu_index].segments[0].segment_data = rar_pdu;
cooooount =0;
init_time =0;
dl_config_pdu = SCHED_info->DL_req->dl_config_request_body.dl_config_pdu_list;
SCHED_info->DL_req->dl_config_request_body.number_pdu = 1;
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_NDLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = 2+sizeof(nfapi_dl_config_ndlsch_pdu_rel13_t);
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.length = 7;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.pdu_index = 1;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.rnti_type = 1;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.rnti = RARNTI; // RA-RNTI
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.resource_assignment = 0;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.repetition_number = 2;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.modulation = 2;
dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.number_of_subframes_for_resource_assignment = get_num_sf(dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.resource_assignment);
SCHED_info->TX_req->tx_request_body.tx_pdu_list[dl_config_pdu->ndlsch_pdu.ndlsch_pdu_rel13.pdu_index].segments[0].segment_data = rar_pdu;
rar_transmit = 0;
preamble_trigger =0;
delay_time =0;
return 1;
}
return 0;
......
openair2/LAYER2/MAC/vars_NB_IoT.h
View file @ cf7079a6
......@@ -39,7 +39,8 @@
//#include "PHY_INTERFACE/defs.h"
//#include "COMMON/mac_rrc_primitives.h"
int cooooount;
int preamble_trigger;
int preamble_sfn;
//IF_Module_NB_IoT_t *if_inst_NB_IoT;
//NB-IoT--------------------------------------
......
openair2/PHY_INTERFACE/IF_Module_L2_primitives_NB_IoT.c
View file @ cf7079a6
......@@ -46,7 +46,8 @@ void UL_indication_NB_IoT(UL_IND_NB_IoT_t *UL_INFO)
//UE_TEMPLATE_NB_IoT *UE_info;
enable_preamble_simulation(UL_INFO,0);
if(cooooount==0)
if(preamble_trigger==0)
{
//If there is a preamble, do the initiate RA procedure
if(UL_INFO->nrach_ind.number_of_initial_scs_detected>0)
......@@ -67,7 +68,8 @@ void UL_indication_NB_IoT(UL_IND_NB_IoT_t *UL_INFO)
(UL_INFO->nrach_ind.nrach_pdu_list+i)->nrach_indication_rel13.timing_advance*16
);*/
LOG_D(MAC,"Init_RA_NB_IoT Out\n");
cooooount=1;
preamble_trigger=1;
preamble_sfn = UL_INFO->frame;
}
}
}
......
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