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Integration PHY and MAC procedures for Timing Advance updates. Compilation and run is OK. TA updates need further fixes as not working as expected.

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- "nr_process_timing_advance": TA to be applied is commented out, need to be uncommented
- with introduced delay of 50 in rx_rf, TA update should be 34 in MAC CE
  but this does not occur when ta is applied at UE side according to standard
- introduced ULSCH scheduler and NR RX SDU functions
- fixes to logic in UL fill RX indication
- added crc indication in UL RX
- temporary hardcoded UE_id to 0, rnti not considered in the logic
This commit is contained in:
Guido Casati
2019-12-06 10:46:51 +01:00
committed by cig
parent 6ec89bec1f
commit 825ae3c06d
9 changed files with 2032 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+4 -3
View File
@@ -185,7 +185,7 @@ nr_schedule_ue_spec(module_id_t module_idP, frame_t frameP, sub_frame_t slotP){
uint16_t sdu_lengths[NR_MAX_NB_RB] = {0};
int padding = 0, post_padding = 0, ta_len = 0, header_length_total = 0, sdu_length_total = 0, num_sdus = 0;
int CC_id, sub_pdu_id, lcid, offset, i, j=0, k=0;
int CC_id, sub_pdu_id, lcid, offset, i, j=0, k=0, ta_update;
// hardcoded parameters
// for DMRS configuration type 1
@@ -195,11 +195,11 @@ nr_schedule_ue_spec(module_id_t module_idP, frame_t frameP, sub_frame_t slotP){
uint16_t R = 697;
uint16_t nb_rb = 50 ;
uint32_t TBS = nr_compute_tbs(Qm, R, nb_rb, 12, 6, 0, 1)/8; // this is in bits TODO use nr_get_tbs
int ta_update = 17;
NR_TAG_Id_t tag_id = 0;
int UE_id = 0; // UE_list->head is -1 !
UE_sched_ctrl_t *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
ta_update = ue_sched_ctl->ta_update;
for (CC_id = 0; CC_id < RC.nb_nr_mac_CC[module_idP] + 1; CC_id++) {
LOG_D(MAC, "doing nr_schedule_ue_spec for CC_id %d\n", CC_id);
@@ -214,13 +214,14 @@ nr_schedule_ue_spec(module_id_t module_idP, frame_t frameP, sub_frame_t slotP){
} else { // This is a potentially new SDU opportunity */
if (gNB->tag->timeAlignmentTimer != NULL) {
printf(" SHOULD NOT ENTER HERE \n");
if (gNB->tag->timeAlignmentTimer == 0) {
ta_update = ue_sched_ctl->ta_update;
/* if we send TA then set timer to not send it for a while */
if (ta_update != 31)
ue_sched_ctl->ta_timer = 20;
/* reset ta_update */
ue_sched_ctl->ta_update = 31;
ue_sched_ctl->ta_update = 31;
} else {
ta_update = 31;
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+18
View File
@@ -464,3 +464,21 @@ int get_symbolsperslot(nfapi_nr_config_request_t *cfg) {
}
int find_nrUE_id(module_id_t mod_idP, rnti_t rntiP) {
int UE_id;
UE_list_t *UE_list = &RC.nrmac[mod_idP]->UE_list;
for (UE_id = 0; UE_id < MAX_MOBILES_PER_GNB; UE_id++) {
if (UE_list->active[UE_id] == TRUE) {
if (UE_list->UE_template[nrUE_PCCID(mod_idP, UE_id)][UE_id].rnti == rntiP) {
return UE_id;
}
}
}
return -1;
}
int nrUE_PCCID(module_id_t mod_idP, int ue_idP) {
return (RC.nrmac[mod_idP]->UE_list.pCC_id[ue_idP]);
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+1933
View File
File diff suppressed because it is too large Load Diff
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+22
View File
@@ -149,6 +149,10 @@ uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint32_t bw);
int32_t get_nr_uldl_offset(int nr_bandP);
int find_nrUE_id(module_id_t mod_idP, rnti_t rntiP);
int nrUE_PCCID(module_id_t mod_idP, int ue_idP);
void config_nr_mib(int Mod_idP,
int CC_idP,
int p_gNBP,
@@ -159,4 +163,22 @@ void config_nr_mib(int Mod_idP,
int cellBarred,
int intraFreqReselection);
/* \brief Function to indicate a received SDU on ULSCH.
@param Mod_id Instance ID of gNB
@param CC_id Component carrier index
@param rnti RNTI of UE transmitting the SDU
@param sdu Pointer to received SDU
@param sdu_len Length of SDU
@param timing_advance timing advance adjustment after this pdu
@param ul_cqi Uplink CQI estimate after this pdu (SNR quantized to 8 bits, -64 ... 63.5 dB in .5dB steps)
*/
void nr_rx_sdu(const module_id_t gnb_mod_idP,
const int CC_idP,
const frame_t frameP,
const sub_frame_t subframeP,
const rnti_t rntiP,
uint8_t * sduP,
const uint16_t sdu_lenP,
const uint16_t timing_advance, const uint8_t ul_cqi);
#endif /*__LAYER2_NR_MAC_PROTO_H__*/
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+23 -21
View File
@@ -169,6 +169,7 @@ void handle_nr_ulsch(NR_UL_IND_t *UL_info) {
UL_info->rx_ind.rx_indication_body.number_of_pdus = 0;
}
} else {
printf("UL_info->rx_ind.rx_indication_body.number_of_pdus %d UL_info->crc_ind.crc_indication_body.number_of_crcs %d\n", UL_info->rx_ind.rx_indication_body.number_of_pdus, UL_info->crc_ind.crc_indication_body.number_of_crcs);
if (UL_info->rx_ind.rx_indication_body.number_of_pdus>0 && UL_info->crc_ind.crc_indication_body.number_of_crcs>0) {
for (int i=0; i<UL_info->rx_ind.rx_indication_body.number_of_pdus; i++) {
for (int j=0; j<UL_info->crc_ind.crc_indication_body.number_of_crcs; j++) {
@@ -182,28 +183,29 @@ void handle_nr_ulsch(NR_UL_IND_t *UL_info) {
if (UL_info->crc_ind.crc_indication_body.crc_pdu_list[j].crc_indication_rel8.crc_flag == 1) { // CRC error indication
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC error) \n",UL_info->frame,UL_info->slot);
rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
(uint8_t *)NULL,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
} else {
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC ok) \n",UL_info->frame,UL_info->slot);
rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].data,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
nr_rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
(uint8_t *)NULL,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
}
else {
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC ok) \n",UL_info->frame,UL_info->slot);
nr_rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].data,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
}
printf("rx_indication_rel8.timing_advance %d\n", UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance);
break;
} //if (UL_info->crc_ind.crc_pdu_list[j].rx_ue_information.rnti ==