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

Merge remote-tracking branch 'origin/ul_harq' into NR_UL_scheduling

Browse Source
This commit is contained in:
Francesco Mani
2020-08-05 12:22:33 +02:00
parent c810300e48 414cc0ee83
commit 61a2842da8
16 changed files with 161 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+39 -5
View File
@@ -53,7 +53,10 @@
#include "NR_SearchSpace.h"
#include "NR_ControlResourceSet.h"
#define UL_HARQ_PRINT
extern RAN_CONTEXT_t RC;
const uint8_t nr_rv_round_map[4] = {0, 2, 1, 3};
//#define ENABLE_MAC_PAYLOAD_DEBUG 1
//uint8_t mac_pdu[MAX_NR_DLSCH_PAYLOAD_BYTES];
@@ -269,7 +272,6 @@ int configure_fapi_dl_pdu(int Mod_idP,
int TBS;
int bwp_id=1;
int UE_id = 0;
uint8_t rv_round_map[4] = {0, 2, 3, 1};
NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
@@ -315,7 +317,7 @@ int configure_fapi_dl_pdu(int Mod_idP,
pdsch_pdu_rel15->qamModOrder[0] = 2;
pdsch_pdu_rel15->mcsIndex[0] = mcs;
pdsch_pdu_rel15->mcsTable[0] = 0;
pdsch_pdu_rel15->rvIndex[0] = (get_softmodem_params()->phy_test==1) ? 0 : rv_round_map[UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].round];
pdsch_pdu_rel15->rvIndex[0] = nr_rv_round_map[UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].round];
pdsch_pdu_rel15->dataScramblingId = *scc->physCellId;
pdsch_pdu_rel15->nrOfLayers = 1;
pdsch_pdu_rel15->transmissionScheme = 0;
@@ -774,6 +776,33 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
}
uint8_t select_ul_harq_pid(NR_UE_sched_ctrl_t *sched_ctrl) {
uint8_t hrq_id;
uint8_t max_ul_harq_pids = 3; // temp: for testing
// schedule active harq processes
NR_UE_ul_harq_t cur_harq;
for (hrq_id=0; hrq_id < max_ul_harq_pids; hrq_id++) {
cur_harq = sched_ctrl->ul_harq_processes[hrq_id];
if (cur_harq.state==ACTIVE_NOT_SCHED) {
#ifdef UL_HARQ_PRINT
printf("[SCHED] Found active ulharq id %d, scheduling it for retransmission\n",hrq_id);
#endif
return hrq_id;
}
}
// schedule new harq processes
for (hrq_id=0; hrq_id < max_ul_harq_pids; hrq_id++) {
cur_harq = sched_ctrl->ul_harq_processes[hrq_id];
if (cur_harq.state==INACTIVE) {
#ifdef UL_HARQ_PRINT
printf("[SCHED] Found inactive ulharq id %d, scheduling it\n",hrq_id);
#endif
return hrq_id;
}
}
}
void schedule_fapi_ul_pdu(int Mod_idP,
frame_t frameP,
@@ -978,9 +1007,14 @@ void schedule_fapi_ul_pdu(int Mod_idP,
//Pusch Allocation in frequency domain [TS38.214, sec 6.1.2.2]
//Optional Data only included if indicated in pduBitmap
// TODO from harq function as in pdsch
pusch_pdu->pusch_data.rv_index = 0;
pusch_pdu->pusch_data.harq_process_id = 0;
pusch_pdu->pusch_data.new_data_indicator = 1;
uint8_t harq_id = select_ul_harq_pid(&UE_list->UE_sched_ctrl[UE_id]);
NR_UE_ul_harq_t *cur_harq = &UE_list->UE_sched_ctrl[UE_id].ul_harq_processes[harq_id];
pusch_pdu->pusch_data.harq_process_id = harq_id;
pusch_pdu->pusch_data.new_data_indicator = cur_harq->ndi;
pusch_pdu->pusch_data.rv_index = nr_rv_round_map[cur_harq->round];
cur_harq->state = ACTIVE_SCHED;
cur_harq->last_tx_slot = pusch_sched->slot;
uint8_t num_dmrs_symb = 0;
openair2/LAYER2/NR_MAC_gNB/main.c
+3
View File
@@ -117,6 +117,9 @@ void mac_top_init_gNB(void)
UE_list->UE_sched_ctrl[list_el].harq_processes[list_harq].round = 0;
UE_list->UE_sched_ctrl[list_el].harq_processes[list_harq].ndi = 0;
UE_list->UE_sched_ctrl[list_el].harq_processes[list_harq].is_waiting = 0;
UE_list->UE_sched_ctrl[list_el].ul_harq_processes[list_harq].round = 0;
UE_list->UE_sched_ctrl[list_el].ul_harq_processes[list_harq].ndi = 0;
UE_list->UE_sched_ctrl[list_el].ul_harq_processes[list_harq].state = 0;
}
}
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+14
View File
@@ -267,6 +267,19 @@ typedef struct NR_UE_harq {
uint16_t feedback_slot;
} NR_UE_harq_t;
typedef enum {
INACTIVE = 0,
ACTIVE_NOT_SCHED,
ACTIVE_SCHED
} NR_UL_harq_states_t;
typedef struct NR_UE_ul_harq {
uint8_t ndi;
uint8_t round;
uint16_t last_tx_slot;
NR_UL_harq_states_t state;
} NR_UE_ul_harq_t;
/*! \brief scheduling control information set through an API */
typedef struct {
uint64_t dlsch_in_slot_bitmap; // static bitmap signaling which slot in a tdd period contains dlsch
@@ -277,6 +290,7 @@ typedef struct {
int16_t ta_update;
uint8_t current_harq_pid;
NR_UE_harq_t harq_processes[NR_MAX_NB_HARQ_PROCESSES];
NR_UE_ul_harq_t ul_harq_processes[NR_MAX_NB_HARQ_PROCESSES];
int dummy;
NR_UE_mac_ce_ctrl_t UE_mac_ce_ctrl;// MAC CE related information
} NR_UE_sched_ctrl_t;
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+42 -4
View File
@@ -41,6 +41,7 @@
#include "executables/softmodem-common.h"
#define MAX_IF_MODULES 100
#define UL_HARQ_PRINT
NR_IF_Module_t *if_inst[MAX_IF_MODULES];
NR_Sched_Rsp_t Sched_INFO[MAX_IF_MODULES][MAX_NUM_CCs];
@@ -88,7 +89,7 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
case NFAPI_NR_UCI_PDCCH_PDU_TYPE: break;
case NFAPI_NR_UCI_FORMAT_0_1_PDU_TYPE: {
if (get_softmodem_params()->phy_test == 0) {
//if (get_softmodem_params()->phy_test == 0) {
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu = &uci_list[i].pucch_pdu_format_0_1;
// handle harq
int harq_idx_s = 0;
@@ -120,7 +121,7 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
}
}
}
}
//}
break;
}
@@ -131,8 +132,43 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
UL_info->uci_ind.num_ucis = 0;
}
void handle_nr_ul_harq(uint16_t slot, NR_UE_sched_ctrl_t *sched_ctrl, uint8_t crc_status) {
void handle_nr_ulsch(NR_UL_IND_t *UL_info) {
int max_harq_rounds = 4; // TODO define macro
for (uint8_t hrq_id = 0; hrq_id < NR_MAX_NB_HARQ_PROCESSES; hrq_id++) {
NR_UE_ul_harq_t *cur_harq = &sched_ctrl->ul_harq_processes[hrq_id];
if ((cur_harq->last_tx_slot == slot-1) && cur_harq->state==ACTIVE_SCHED) {
if (!crc_status) {
cur_harq->ndi ^= 1;
cur_harq->round = 0;
cur_harq->state = INACTIVE; // passed -> make inactive. can be used by scheduder for next grant
#ifdef UL_HARQ_PRINT
printf("[HARQ HANDLER] Ulharq id %d crc passed, freeing it for scheduler\n",hrq_id);
#endif
} else {
cur_harq->round++;
cur_harq->state = ACTIVE_NOT_SCHED;
#ifdef UL_HARQ_PRINT
printf("[HARQ HANDLER] Ulharq id %d crc failed, requesting retransmission\n",hrq_id);
#endif
}
if (!(cur_harq->round<max_harq_rounds)) {
cur_harq->ndi ^= 1;
cur_harq->state = INACTIVE; // failed after 4 rounds -> make inactive
cur_harq->round = 0;
#ifdef UL_HARQ_PRINT
printf("[HARQ HANDLER] Ulharq id %d crc failed in all round, freeing it for scheduler\n",hrq_id);
#endif
}
return;
}
}
}
void handle_nr_ulsch(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
if(nfapi_mode == 1) {
if (UL_info->crc_ind.number_crcs>0) {
//LOG_D(PHY,"UL_info->crc_ind.crc_indication_body.number_of_crcs:%d CRC_IND:SFN/SF:%d\n", UL_info->crc_ind.crc_indication_body.number_of_crcs, NFAPI_SFNSF2DEC(UL_info->crc_ind.sfn_sf));
@@ -159,6 +195,8 @@ void handle_nr_ulsch(NR_UL_IND_t *UL_info) {
UL_info->rx_ind.pdu_list[i].rnti) {
LOG_D(PHY, "UL_info->crc_ind.crc_indication_body.crc_pdu_list[%d].crc_indication_rel8.crc_flag:%d\n", j, UL_info->crc_ind.crc_list[j].tb_crc_status);
handle_nr_ul_harq(UL_info->slot, sched_ctrl, UL_info->crc_ind.crc_list[j].tb_crc_status);
if (UL_info->crc_ind.crc_list[j].tb_crc_status == 1) { // CRC error indication
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC error) \n",UL_info->frame,UL_info->slot);
@@ -233,7 +271,7 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
handle_nr_uci(UL_info, &mac->UE_list.UE_sched_ctrl[0]);
// clear HI prior to handling ULSCH
mac->UL_dci_req[CC_id].numPdus = 0;
handle_nr_ulsch(UL_info);
handle_nr_ulsch(UL_info, &mac->UE_list.UE_sched_ctrl[0]);
if (nfapi_mode != 1) {
if (ifi->CC_mask == ((1<<MAX_NUM_CCs)-1)) {