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openairinterface5g/openair2/LAYER2/NR_MAC_UE/config_ue.c
T
cig 32af60bcf5 UE RA procedures changes to preamble selection: 
- get preamble from rach_ConfigDedicated in contention free mode
- do preamble selection only in prach slot
2020-04-23 09:55:04 +02:00

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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/* \file config_ue.c
* \brief UE and eNB configuration performed by RRC or as a consequence of RRC procedures
* \author R. Knopp, K.H. HSU
* \date 2018
* \version 0.1
* \company Eurecom / NTUST
* \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr
* \note
* \warning
*/
//#include "mac_defs.h"
#include "NR_MAC_UE/mac_proto.h"
#include "NR_MAC-CellGroupConfig.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
#include "SCHED_NR/phy_frame_config_nr.h"
int set_tdd_config_nr_ue(fapi_nr_config_request_t *cfg,
int mu,
int nrofDownlinkSlots, int nrofDownlinkSymbols,
int nrofUplinkSlots, int nrofUplinkSymbols) {
int slot_number = 0;
int nb_periods_per_frame;
int nb_slots_to_set = TDD_CONFIG_NB_FRAMES*(1<<mu)*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
switch(cfg->tdd_table.tdd_period) {
case 0:
nb_periods_per_frame = 20; // 10ms/0p5ms
break;
case 1:
nb_periods_per_frame = 16; // 10ms/0p625ms
break;
case 2:
nb_periods_per_frame = 10; // 10ms/1ms
break;
case 3:
nb_periods_per_frame = 8; // 10ms/1p25ms
break;
case 4:
nb_periods_per_frame = 5; // 10ms/2ms
break;
case 5:
nb_periods_per_frame = 4; // 10ms/2p5ms
break;
case 6:
nb_periods_per_frame = 2; // 10ms/5ms
break;
case 7:
nb_periods_per_frame = 1; // 10ms/10ms
break;
default:
AssertFatal(1==0,"Undefined tdd period %d\n", cfg->tdd_table.tdd_period);
}
int nb_slots_per_period = ((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME)/nb_periods_per_frame;
if ( (nrofDownlinkSymbols + nrofUplinkSymbols) == 0 )
AssertFatal(nb_slots_per_period == (nrofDownlinkSlots + nrofUplinkSlots),
"set_tdd_configuration_nr: given period is inconsistent with current tdd configuration, nrofDownlinkSlots %d, nrofUplinkSlots %d, nb_slots_per_period %d \n",
nrofDownlinkSlots,nrofUplinkSlots,nb_slots_per_period);
else {
AssertFatal(nrofDownlinkSymbols + nrofUplinkSymbols < 14,"illegal symbol configuration DL %d, UL %d\n",nrofDownlinkSymbols,nrofUplinkSymbols);
AssertFatal(nb_slots_per_period == (nrofDownlinkSlots + nrofUplinkSlots + 1),
"set_tdd_configuration_nr: given period is inconsistent with current tdd configuration, nrofDownlinkSlots %d, nrofUplinkSlots %d, nrofMixed slots 1, nb_slots_per_period %d \n",
nrofDownlinkSlots,nrofUplinkSlots,nb_slots_per_period);
}
cfg->tdd_table.max_tdd_periodicity_list = (fapi_nr_max_tdd_periodicity_t *) malloc(nb_slots_to_set*sizeof(fapi_nr_max_tdd_periodicity_t));
for(int memory_alloc =0 ; memory_alloc<nb_slots_to_set; memory_alloc++)
cfg->tdd_table.max_tdd_periodicity_list[memory_alloc].max_num_of_symbol_per_slot_list = (fapi_nr_max_num_of_symbol_per_slot_t *) malloc(NR_NUMBER_OF_SYMBOLS_PER_SLOT*sizeof(
fapi_nr_max_num_of_symbol_per_slot_t));
while(slot_number != nb_slots_to_set) {
if(nrofDownlinkSlots != 0) {
for (int number_of_symbol = 0; number_of_symbol < nrofDownlinkSlots*NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol%NR_NUMBER_OF_SYMBOLS_PER_SLOT].slot_config= 0;
if((number_of_symbol+1)%NR_NUMBER_OF_SYMBOLS_PER_SLOT == 0)
slot_number++;
}
}
if (nrofDownlinkSymbols != 0 || nrofUplinkSymbols != 0) {
for(int number_of_symbol =0; number_of_symbol < nrofDownlinkSymbols; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 0;
}
for(int number_of_symbol = nrofDownlinkSymbols; number_of_symbol < NR_NUMBER_OF_SYMBOLS_PER_SLOT-nrofUplinkSymbols; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 2;
}
for(int number_of_symbol = NR_NUMBER_OF_SYMBOLS_PER_SLOT-nrofUplinkSymbols; number_of_symbol < NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 1;
}
slot_number++;
}
if(nrofUplinkSlots != 0) {
for (int number_of_symbol = 0; number_of_symbol < nrofUplinkSlots*NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol%NR_NUMBER_OF_SYMBOLS_PER_SLOT].slot_config= 1;
if((number_of_symbol+1)%NR_NUMBER_OF_SYMBOLS_PER_SLOT == 0)
slot_number++;
}
}
}
return (0);
}
void config_common_ue(NR_UE_MAC_INST_t *mac,
module_id_t module_id,
int cc_idP) {
fapi_nr_config_request_t *cfg = &mac->phy_config.config_req;
NR_ServingCellConfigCommon_t *scc = mac->scc;
int i;
mac->phy_config.Mod_id = module_id;
mac->phy_config.CC_id = cc_idP;
// carrier config
LOG_I(MAC,"UE Config Common\n");
cfg->carrier_config.dl_bandwidth = config_bandwidth(scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]);
cfg->carrier_config.dl_frequency = from_nrarfcn(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],
*scc->ssbSubcarrierSpacing,
scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA)/1000; // freq in kHz
for (i=0; i<5; i++) {
if (i==scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.dl_grid_size[i] = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.dl_k0[i] = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.dl_grid_size[i] = 0;
cfg->carrier_config.dl_k0[i] = 0;
}
}
cfg->carrier_config.uplink_bandwidth = config_bandwidth(scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0]);
int UL_pointA;
if (scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA == NULL)
UL_pointA = scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
else
UL_pointA = *scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA;
cfg->carrier_config.uplink_frequency = from_nrarfcn(*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0],
*scc->ssbSubcarrierSpacing,
UL_pointA)/1000; // freq in kHz
for (i=0; i<5; i++) {
if (i==scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.ul_grid_size[i] = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.ul_k0[i] = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.ul_grid_size[i] = 0;
cfg->carrier_config.ul_k0[i] = 0;
}
}
lte_frame_type_t frame_type;
uint16_t band;
int32_t offset;
get_band((cfg->carrier_config.dl_frequency)*1000,
&band,
&offset,
&frame_type);
// cell config
cfg->cell_config.phy_cell_id = *scc->physCellId;
cfg->cell_config.frame_duplex_type = frame_type;
// SSB config
cfg->ssb_config.ss_pbch_power = scc->ss_PBCH_BlockPower;
cfg->ssb_config.scs_common = *scc->ssbSubcarrierSpacing;
// SSB Table config
int scs_scaling = 1<<(cfg->ssb_config.scs_common);
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA < 600000)
scs_scaling = scs_scaling*3;
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA > 2016666)
scs_scaling = scs_scaling>>2;
uint32_t absolute_diff = (*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA);
cfg->ssb_table.ssb_offset_point_a = absolute_diff/(12*scs_scaling) - 10;
cfg->ssb_table.ssb_period = *scc->ssb_periodicityServingCell;
cfg->ssb_table.ssb_subcarrier_offset = 0; // TODO currently not in RRC?
switch (scc->ssb_PositionsInBurst->present) {
case 1 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0]<<24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
break;
case 2 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0]<<24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
break;
case 3 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = 0;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
for (i=0; i<4; i++) {
cfg->ssb_table.ssb_mask_list[0].ssb_mask += (scc->ssb_PositionsInBurst->choice.longBitmap.buf[i+4]<<i*8);
cfg->ssb_table.ssb_mask_list[1].ssb_mask += (scc->ssb_PositionsInBurst->choice.longBitmap.buf[i]<<i*8);
}
break;
default:
AssertFatal(1==0,"SSB bitmap size value %d undefined (allowed values 1,2,3) \n", scc->ssb_PositionsInBurst->present);
}
// TDD Table Configuration
if (scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1 == NULL)
cfg->tdd_table.tdd_period = scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity;
else {
AssertFatal(scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530 != NULL,
"scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530 is null\n");
cfg->tdd_table.tdd_period = *scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530;
}
LOG_I(MAC,"Setting TDD configuration period to %d\n",cfg->tdd_table.tdd_period);
if(cfg->cell_config.frame_duplex_type == TDD){
int return_tdd = set_tdd_config_nr_ue(cfg,
scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSlots,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols
);
if (return_tdd !=0)
LOG_E(PHY,"TDD configuration can not be done\n");
else
LOG_I(PHY,"TDD has been properly configurated\n");
}
// PRACH configuration
uint8_t nb_preambles = 64;
if(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
nb_preambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
cfg->prach_config.prach_sequence_length = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present-1;
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing)
cfg->prach_config.prach_sub_c_spacing = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing;
else
cfg->prach_config.prach_sub_c_spacing = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
cfg->prach_config.restricted_set_config = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->restrictedSetConfig;
switch (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM) {
case 0 :
cfg->prach_config.num_prach_fd_occasions = 1;
break;
case 1 :
cfg->prach_config.num_prach_fd_occasions = 2;
break;
case 2 :
cfg->prach_config.num_prach_fd_occasions = 4;
break;
case 3 :
cfg->prach_config.num_prach_fd_occasions = 8;
break;
default:
AssertFatal(1==0,"msg1 FDM identifier %ld undefined (0,1,2,3) \n", scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM);
}
cfg->prach_config.num_prach_fd_occasions_list = (fapi_nr_num_prach_fd_occasions_t *) malloc(cfg->prach_config.num_prach_fd_occasions*sizeof(fapi_nr_num_prach_fd_occasions_t));
for (i=0; i<cfg->prach_config.num_prach_fd_occasions; i++) {
cfg->prach_config.num_prach_fd_occasions_list[i].num_prach_fd_occasions = i;
if (cfg->prach_config.prach_sequence_length)
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l139;
else
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l839;
cfg->prach_config.num_prach_fd_occasions_list[i].k1 = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig;
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences = compute_nr_root_seq(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup, nb_preambles, frame_type);
//cfg->prach_config.num_prach_fd_occasions_list[i].num_unused_root_sequences = ???
}
cfg->prach_config.ssb_per_rach = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present-1;
}
int nr_rrc_mac_config_req_ue(
module_id_t module_id,
int cc_idP,
uint8_t gNB_index,
NR_MIB_t *mibP,
// NR_ServingCellConfigCommon_t *sccP,
// NR_MAC_CellGroupConfig_t *mac_cell_group_configP,
// NR_PhysicalCellGroupConfig_t *phy_cell_group_configP,
NR_SpCellConfig_t *spCell_ConfigP ){
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
// NR_ServingCellConfig_t *serving_cell_config = spcell_configP->spCellConfigDedicated;
// TODO do something FAPI-like P5 L1/L2 config interface in config_si, config_mib, etc.
if(mibP != NULL){
mac->mib = mibP; // update by every reception
}
if(spCell_ConfigP != NULL ){
mac->servCellIndex = *spCell_ConfigP->servCellIndex;
if (spCell_ConfigP->reconfigurationWithSync) {
mac->rach_ConfigDedicated = spCell_ConfigP->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
mac->scc = spCell_ConfigP->reconfigurationWithSync->spCellConfigCommon;
config_common_ue(mac,module_id,cc_idP);
mac->crnti = spCell_ConfigP->reconfigurationWithSync->newUE_Identity;
LOG_I(MAC,"Configuring CRNTI %x\n",mac->crnti);
}
mac->scd = spCell_ConfigP->spCellConfigDedicated;
/*
if(mac_cell_group_configP != NULL){
if(mac_cell_group_configP->drx_Config != NULL ){
switch(mac_cell_group_configP->drx_Config->present){
case NR_SetupRelease_DRX_Config_PR_NOTHING:
break;
case NR_SetupRelease_DRX_Config_PR_release:
mac->drx_Config = NULL;
break;
case NR_SetupRelease_DRX_Config_PR_setup:
mac->drx_Config = mac_cell_group_configP->drx_Config->choice.setup;
break;
default:
break;
}
}
if(mac_cell_group_configP->schedulingRequestConfig != NULL ){
mac->schedulingRequestConfig = mac_cell_group_configP->schedulingRequestConfig;
}
if(mac_cell_group_configP->bsr_Config != NULL ){
mac->bsr_Config = mac_cell_group_configP->bsr_Config;
}
if(mac_cell_group_configP->tag_Config != NULL ){
mac->tag_Config = mac_cell_group_configP->tag_Config;
}
if(mac_cell_group_configP->phr_Config != NULL ){
switch(mac_cell_group_configP->phr_Config->present){
case NR_SetupRelease_PHR_Config_PR_NOTHING:
break;
case NR_SetupRelease_PHR_Config_PR_release:
mac->phr_Config = NULL;
break;
case NR_SetupRelease_PHR_Config_PR_setup:
mac->phr_Config = mac_cell_group_configP->phr_Config->choice.setup;
break;
default:
break;
}
}
}
if(phy_cell_group_configP != NULL ){
if(phy_cell_group_configP->cs_RNTI != NULL ){
switch(phy_cell_group_configP->cs_RNTI->present){
case NR_SetupRelease_RNTI_Value_PR_NOTHING:
break;
case NR_SetupRelease_RNTI_Value_PR_release:
mac->cs_RNTI = NULL;
break;
case NR_SetupRelease_RNTI_Value_PR_setup:
mac->cs_RNTI = &phy_cell_group_configP->cs_RNTI->choice.setup;
break;
default:
break;
}
}
}
*/
}
return 0;
}
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