Commit 36195ec3 authored by Guido Casati's avatar Guido Casati
Browse files

RA fixes and additions:

- RA resource selection and transmission
- MAC header structs for RA
- RA procedure msg1 fixes
- code cleanup
parent e01dd43b
......@@ -56,7 +56,7 @@ extern int64_t table_6_3_3_2_4_prachConfig_Index [256][10];
extern uint16_t nr_du[838];
extern int16_t nr_ru[2*839];
int32_t generate_nr_prach( PHY_VARS_NR_UE *ue, uint8_t eNB_id, uint8_t subframe, uint16_t Nf )
int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t subframe)
{
//lte_frame_type_t frame_type = ue->frame_parms.frame_type;
......@@ -66,13 +66,13 @@ int32_t generate_nr_prach( PHY_VARS_NR_UE *ue, uint8_t eNB_id, uint8_t subframe,
uint8_t prach_ConfigIndex = fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
uint8_t Ncs_config = fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig;
uint8_t restricted_set = fp->prach_config_common.prach_ConfigInfo.highSpeedFlag;
uint8_t preamble_index = ue->prach_resources[eNB_id]->ra_PreambleIndex;
//uint8_t tdd_mapindex = ue->prach_resources[eNB_id]->ra_TDD_map_index;
int16_t *prachF = ue->prach_vars[eNB_id]->prachF;
uint8_t preamble_index = ue->prach_resources[gNB_id]->ra_PreambleIndex;
//uint8_t tdd_mapindex = ue->prach_resources[gNB_id]->ra_TDD_map_index;
int16_t *prachF = ue->prach_vars[gNB_id]->prachF;
int16_t prach_tmp[98304*2*4] __attribute__((aligned(32)));
int16_t *prach = prach_tmp;
int16_t *prach2;
int16_t amp = ue->prach_vars[eNB_id]->amp;
int16_t amp = ue->prach_vars[gNB_id]->amp;
int16_t Ncp;
uint16_t NCS=0;
uint16_t *prach_root_sequence_map;
......
......@@ -1755,9 +1755,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
uint8_t is_crnti,
uint8_t llr8_flag);
int32_t generate_nr_prach( PHY_VARS_NR_UE *ue, uint8_t eNB_id, uint8_t subframe, uint16_t Nf );
int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t subframe);
void *dlsch_thread(void *arg);
/**@}*/
......
......@@ -210,9 +210,12 @@ void nr_dump_dlsch_SI(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,
exit(-1);
}
#endif
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
//unsigned int gain_table[31] = {100,112,126,141,158,178,200,224,251,282,316,359,398,447,501,562,631,708,794,891,1000,1122,1258,1412,1585,1778,1995,2239,2512,2818,3162};
/*
unsigned int gain_table[31] = {100,112,126,141,158,178,200,224,251,282,316,359,398,447,501,562,631,708,794,891,1000,1122,1258,1412,1585,1778,1995,2239,2512,2818,3162};
#endif
unsigned int get_tx_amp_prach(int power_dBm, int power_max_dBm, int N_RB_UL)
{
......@@ -250,9 +253,10 @@ void nr_dump_dlsch_SI(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,
else
return(amp_x_100/gain_table[-gain_dB]); // 245 corresponds to the factor sqrt(25/6)
}
*/
unsigned int get_tx_amp(int power_dBm, int power_max_dBm, int N_RB_UL, int nb_rb)
#if 0
unsigned int get_tx_amp(int power_dBm, int power_max_dBm, int N_RB_UL, int nb_rb) // TbD
{
int gain_dB = power_dBm - power_max_dBm;
......@@ -269,8 +273,6 @@ unsigned int get_tx_amp(int power_dBm, int power_max_dBm, int N_RB_UL, int nb_rb
return(0);
}
#endif
void nr_dump_dlsch_ra(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t nr_tti_rx)
{
unsigned int coded_bits_per_codeword;
......@@ -4480,11 +4482,11 @@ uint8_t nr_is_ri_TXOp(PHY_VARS_NR_UE *ue,
return(0);
}
void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t gNB_id, runmode_t mode) {
void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t gNB_id, runmode_t runmode) {
/* TBR
// here params are hardcoded */
int frame_tx = proc->frame_tx, nr_tti_tx = proc->nr_tti_tx, prach_power;
uint16_t preamble_tx=ue->prach_resources[0]->ra_PreambleIndex; //uint16_t preamble_tx=50; // TBR
uint16_t preamble_tx = 50, pathloss;
NR_PRACH_RESOURCES_t prach_resources;
uint8_t mod_id = ue->Mod_id;
NR_UE_MAC_INST_t *nr_UE_mac_inst = get_mac_inst(mod_id);
......@@ -4493,76 +4495,56 @@ void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX_PRACH, VCD_FUNCTION_IN);
ue->generate_nr_prach = 0;
if (ue->mac_enabled == 0){
ue->prach_resources[gNB_id] = &prach_resources; // TBR double check pointer
ue->prach_resources[gNB_id]->ra_PreambleIndex = preamble_tx;
ue->prach_resources[gNB_id]->ra_TDD_map_index = 0;
// ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER = 10; // TBR
// ue->prach_resources[gNB_id]->ra_RNTI = 93; // TBR
} else {
if (ue->mac_enabled == 0){
ue->prach_resources[gNB_id] = &prach_resources; // TBR double check pointer
ue->prach_resources[gNB_id]->ra_PreambleIndex = preamble_tx;
ue->prach_resources[gNB_id]->ra_TDD_map_index = 0;
ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER = 10; // TBR
ue->prach_resources[gNB_id]->ra_RNTI = 93; // TBR NR_UE_MAC_INST_t
} else {
// ask L2 for RACH transport
/* TBR
// check if these modes are active */
if ((mode != rx_calib_ue) && (mode != rx_calib_ue_med) && (mode != rx_calib_ue_byp) && (mode != no_L2_connect) ) {
LOG_D(PHY,"Getting PRACH resources. Frame %d Slot %d \n", frame_tx, nr_tti_tx);
if ((runmode != rx_calib_ue) && (runmode != rx_calib_ue_med) && (runmode != rx_calib_ue_byp) && (runmode != no_L2_connect) ) {
LOG_D(PHY, "Getting PRACH resources. Frame %d Slot %d \n", frame_tx, nr_tti_tx);
ue->prach_resources[gNB_id] = nr_ue_get_rach(mod_id, ue->CC_id, UE_mode, frame_tx, gNB_id, nr_tti_tx);
// LOG_D(PHY,"Got prach_resources for gNB %d address %p, RRCCommon %p\n", gNB_id, ue->prach_resources[gNB_id], UE_mac_inst[ue->Mod_id].radioResourceConfigCommon); // TBR update this
}
}
if (ue->prach_resources[gNB_id]!=NULL) {
if (ue->prach_resources[gNB_id] != NULL) {
ue->generate_nr_prach = 1;
ue->prach_cnt = 0;
pathloss = get_nr_PL(ue, gNB_id);
LOG_I(PHY,"runmode %d\n",runmode);
#ifdef SMBV // TBR
if ((ue->mac_enabled == 1) && (runmode != calib_prach_tx)) {
// todo power control as per 38.213 ch 7.4
ue->tx_power_dBm[nr_tti_tx] = ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER + pathloss;
ue->tx_power_dBm[nr_tti_tx] = ue->tx_power_max_dBm;
ue->prach_resources[gNB_id]->ra_PreambleIndex = preamble_tx;
#endif
#ifdef OAI_EMU // TBR
ue->prach_PreambleIndex=ue->prach_resources[gNB_id]->ra_PreambleIndex;
#endif
// if (abstraction_flag == 0) { // TBR
LOG_I(PHY,"mode %d\n",mode);
if ((ue->mac_enabled==1) && (mode != calib_prach_tx)) {
/* TODO TBR
// check if ra_PREAMBLE_RECEIVED_TARGET_POWER is filled id */
ue->tx_power_dBm[nr_tti_tx] = ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER + get_nr_PL(ue,gNB_id);
/* TODO TBR
DEBUG ONLY */
printf("ue->tx_power_dBm[nr_tti_tx] %d ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER %d get_nr_PL(ue,gNB_id) %d\n", ue->tx_power_dBm[nr_tti_tx], ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER, get_nr_PL(ue,gNB_id));
} else {
ue->tx_power_dBm[nr_tti_tx] = ue->tx_power_max_dBm;
ue->prach_resources[gNB_id]->ra_PreambleIndex = preamble_tx; /* TODO TBR this is hardcoded */
}
}
LOG_I(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d : Generating PRACH, preamble %d,PL %d, P0_PRACH %d, TARGET_RECEIVED_POWER %d dBm, PRACH TDD Resource index %d, RA-RNTI %d\n", ue->Mod_id,
frame_tx,
nr_tti_tx,
ue->prach_resources[gNB_id]->ra_PreambleIndex,
get_nr_PL(ue,gNB_id),
ue->tx_power_dBm[nr_tti_tx],
ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER,
ue->prach_resources[gNB_id]->ra_TDD_map_index,
ue->prach_resources[gNB_id]->ra_RNTI);
LOG_D(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d : Generating PRACH, preamble %d, PL %d, P0_PRACH %d, TARGET_RECEIVED_POWER %d dBm, RA-RNTI %d\n",
ue->Mod_id,
frame_tx,
nr_tti_tx,
ue->prach_resources[gNB_id]->ra_PreambleIndex,
pathloss,
ue->tx_power_dBm[nr_tti_tx],
ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER,
ue->prach_resources[gNB_id]->ra_RNTI);
ue->tx_total_RE[nr_tti_tx] = 96; /* TODO TBR this is hardcoded */
ue->tx_total_RE[nr_tti_tx] = 96; /* todo TBR double check */
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
ue->prach_vars[gNB_id]->amp = get_tx_amp(ue->tx_power_dBm[nr_tti_tx], /* TODO TBR get_tx_amp is still valid for NR ? */
ue->tx_power_max_dBm,
ue->frame_parms.N_RB_UL,
6); /* TODO TBR why 6 ? */
ue->prach_vars[gNB_id]->amp = get_tx_amp_prach(ue->tx_power_dBm[nr_tti_tx],
ue->tx_power_max_dBm,
ue->frame_parms.N_RB_UL);
#else
ue->prach_vars[gNB_id]->amp = AMP; /* TODO TBR where does this come from ? */
ue->prach_vars[gNB_id]->amp = AMP;
#endif
if ((mode == calib_prach_tx) && (((proc->frame_tx&0xfffe)%100)==0)) /* TODO TBR double check where calibration prach tx is handled */
LOG_D(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d : PRACH TX power %d dBm, amp %d\n",
ue->Mod_id,
if ((runmode == calib_prach_tx) && (((proc->frame_tx&0xfffe)%100)==0))
LOG_D(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d : PRACH TX power %d dBm, amp %d\n", ue->Mod_id,
proc->frame_rx,
proc->nr_tti_tx,
ue->tx_power_dBm[nr_tti_tx],
......@@ -4571,38 +4553,35 @@ void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t
// start_meas(&ue->tx_prach);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_IN);
// prach_power = generate_nr_prach(ue,gNB_id,nr_tti_tx,frame_tx);
prach_power = generate_nr_prach(ue,0,9,0); //subframe number hardcoded according to the simulator /* TODO TBR this is hardcoded */
prach_power = generate_nr_prach(ue, gNB_id, nr_tti_tx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_OUT);
// stop_meas(&ue->tx_prach);
LOG_D(PHY,"[UE %d][RAPROC] PRACH PL %d dB, power %d dBm, digital power %d dB (amp %d)\n",
LOG_D(PHY,"[UE %d][RAPROC] PRACH PL %d dB, power %d dBm, digital power %d dB (amp %d)\n",
ue->Mod_id,
get_nr_PL(ue,gNB_id),
ue->tx_power_dBm[nr_tti_tx],
dB_fixed(prach_power),
ue->prach_vars[gNB_id]->amp);
// } else {
// UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_flag=1;
// UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_id=ue->prach_resources[eNB_id]->ra_PreambleIndex;
// } // commented for compiling as abstraction flag is 0
if (ue->mac_enabled == 1)
// nr_Msg1_transmitted(ue->Mod_id, ue->CC_id, frame_tx, gNB_id); TBR
nr_Msg1_transmitted(ue->Mod_id, ue->CC_id, frame_tx, gNB_id);
LOG_I(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d: Generating PRACH (eNB %d) preamble index %d for UL, TX power %d dBm (PL %d dB), l3msg \n",
ue->Mod_id,frame_tx,nr_tti_tx,gNB_id,
LOG_I(PHY,"[UE %d][RAPROC] Frame %d, nr_tti_rx %d: Generating PRACH (gNB %d) preamble index %d for UL, TX power %d dBm (PL %d dB) \n",
ue->Mod_id,
frame_tx,
nr_tti_tx,
gNB_id,
ue->prach_resources[gNB_id]->ra_PreambleIndex,
ue->prach_resources[gNB_id]->ra_PREAMBLE_RECEIVED_TARGET_POWER+get_nr_PL(ue,gNB_id),
get_nr_PL(ue,gNB_id));
ue->tx_power_dBm[nr_tti_tx],
pathloss);
}
// if we're calibrating the PRACH kill the pointer to its resources so that the RA protocol doesn't continue
if (mode == calib_prach_tx)
if (runmode == calib_prach_tx)
ue->prach_resources[gNB_id]=NULL;
LOG_D(PHY,"[UE %d] frame %d nr_tti_rx %d : generate_nr_prach %d, prach_cnt %d\n", ue->Mod_id,frame_tx,nr_tti_tx,ue->generate_nr_prach,ue->prach_cnt);
LOG_D(PHY,"[UE %d] frame %d nr_tti_rx %d : generate_nr_prach %d, prach_cnt %d\n", ue->Mod_id,frame_tx,nr_tti_tx, ue->generate_nr_prach, ue->prach_cnt);
ue->prach_cnt++;
......
......@@ -514,8 +514,7 @@ int main(int argc, char **argv)
/*tx_lev = generate_nr_prach(UE,
0, //gNB_id,
subframe,
0); //Nf */ //commented for testing purpose
subframe); */ //commented for testing purpose
UE_nr_rxtx_proc_t proc={0};
nr_ue_prach_procedures(UE,&proc,0,0);
......
......@@ -96,12 +96,53 @@ typedef struct {
uint8_t R:2; // octet 1 [7:6]
} __attribute__ ((__packed__)) NR_MAC_SUBHEADER_FIXED;
// BSR MAC CEs
// TS 38.321 ch. 6.1.3.1
// Short BSR for a specific logical channel group ID
typedef struct {
uint8_t Buffer_size:5; // octet 1 LSB
uint8_t LcgID:3; // octet 1 MSB
} __attribute__ ((__packed__)) NR_BSR_SHORT;
typedef NR_BSR_SHORT NR_BSR_SHORT_TRUNCATED;
// Long BSR for all logical channel group ID
typedef struct {
uint8_t Buffer_size7:8;
uint8_t Buffer_size6:8;
uint8_t Buffer_size5:8;
uint8_t Buffer_size4:8;
uint8_t Buffer_size3:8;
uint8_t Buffer_size2:8;
uint8_t Buffer_size1:8;
uint8_t Buffer_size0:8;
uint8_t LcgID0:1;
uint8_t LcgID1:1;
uint8_t LcgID2:1;
uint8_t LcgID3:1;
uint8_t LcgID4:1;
uint8_t LcgID5:1;
uint8_t LcgID6:1;
uint8_t LcgID7:1;
} __attribute__ ((__packed__)) NR_BSR_LONG;
typedef NR_BSR_LONG NR_BSR_LONG_TRUNCATED;
// 38.321 ch. 6.1.3.4
typedef struct {
uint8_t TA_COMMAND:6; // octet 1 [5:0]
uint8_t TAGID:2; // octet 1 [7:6]
} __attribute__ ((__packed__)) NR_MAC_CE_TA;
// single Entry PHR MAC CE
// TS 38.321 ch. 6.1.3.8
typedef struct {
uint8_t PH:6;
uint8_t R1:2;
uint8_t PCMAX:6;
uint8_t R2:6;
} __attribute__ ((__packed__)) NR_SINGLE_ENTRY_PHR_MAC_CE;
// /*! \brief CCCH payload */ // TBR
// typedef struct {
// uint8_t payload[CCCH_PAYLOAD_SIZE_MAX];
......@@ -154,6 +195,7 @@ typedef struct {
#define UL_SCH_LCID_SRB1 0x01
#define UL_SCH_LCID_SRB2 0x02
#define UL_SCH_LCID_SRB3 0x03
#define UL_SCH_LCID_DTCH 0x04
#define UL_SCH_LCID_CCCH_MSG3 0x21
#define UL_SCH_LCID_RECOMMENDED_BITRATE_QUERY 0x35
#define UL_SCH_LCID_MULTI_ENTRY_PHR_4_OCT 0x36
......
......@@ -100,10 +100,12 @@ typedef struct {
SFN_C_TYPE type0_pdcch_ss_sfn_c;
uint32_t type0_pdcch_ss_n_c;
uint32_t type0_pdcch_consecutive_slots;
int rnti_type;
/* PDUs */
/// Outgoing CCCH pdu for PHY
CCCH_PDU CCCH_pdu;
ULSCH_PDU ulsch_pdu;
/* Random Access parameters */
/// state of RA procedure
......
......@@ -152,6 +152,19 @@ void nr_ue_process_mac_pdu(module_id_t module_idP,
uint8_t gNB_index,
NR_UL_TIME_ALIGNMENT_t *ul_time_alignment);
unsigned char nr_generate_ulsch_pdu(uint8_t *sdus_payload,
uint8_t *pdu,
uint8_t num_sdus,
uint16_t *sdu_lengths,
uint8_t *sdu_lcids,
uint8_t power_headroom,
uint16_t crnti,
uint16_t truncated_bsr,
uint16_t short_bsr,
uint16_t long_bsr,
unsigned short post_padding);
int8_t nr_ue_process_dlsch(module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, void *pduP, uint32_t pdu_len);
void ue_dci_configuration(NR_UE_MAC_INST_t *mac,fapi_nr_dl_config_request_t *dl_config,int frame,int slot);
......
......@@ -35,7 +35,7 @@
#include "mac_defs.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
/* 38.321 subclause 7.3 - return values are in dB */
/* TS 38.321 subclause 7.3 - return DELTA_PREAMBLE values in dB */
int8_t nr_get_DELTA_PREAMBLE(module_id_t mod_id, int CC_id){
NR_UE_MAC_INST_t *nrUE_mac_inst = get_mac_inst(mod_id);
......@@ -43,13 +43,15 @@ int8_t nr_get_DELTA_PREAMBLE(module_id_t mod_id, int CC_id){
AssertFatal(CC_id == 0, "Transmission on secondary CCs is not supported yet\n");
NR_SubcarrierSpacing_t scs = nr_rach_ConfigCommon->msg1_SubcarrierSpacing;
uint8_t preambleFormat, prachConfigIndex;
lte_frame_type_t frame_type = TDD; // TODO TBR retrieve frame type. Currently hardcoded to TDD.
// was nr_UE_mac_inst[mod_id].tdd_Config
nr_frequency_range_e fr = nr_FR1; // TODO TBR retrieve frame type. Currently hardcoded to FR1.
int mu;
// SCS configuration from msg1_SubcarrierSpacing and table 4.2-1 in TS 38.211
NR_SubcarrierSpacing_t scs = nr_rach_ConfigCommon->msg1_SubcarrierSpacing;
switch (scs){
case NR_SubcarrierSpacing_kHz15:
mu = 0;
......@@ -87,6 +89,8 @@ int8_t nr_get_DELTA_PREAMBLE(module_id_t mod_id, int CC_id){
AssertFatal(1 == 0,"Unknown msg1_SubcarrierSpacing %d\n", scs);
}
// Preamble formats given by prach_ConfigurationIndex and tables 6.3.3.2-2 and 6.3.3.2-2 in TS 38.211
prachConfigIndex = nr_rach_ConfigCommon->rach_ConfigGeneric.prach_ConfigurationIndex;
preambleFormat = get_nr_prach_fmt(prachConfigIndex,frame_type,fr);
......@@ -128,28 +132,16 @@ int8_t nr_get_DELTA_PREAMBLE(module_id_t mod_id, int CC_id){
return;
}
/* TS 38.321 subclause 5.1.3 - RA preamble transmission - ra_PREAMBLE_RECEIVED_TARGET_POWER configuration */
int8_t nr_get_Po_NOMINAL_PUSCH(module_id_t mod_id, uint8_t CC_id){
NR_UE_MAC_INST_t *nr_UE_mac_inst = get_mac_inst(mod_id);
NR_RACH_ConfigCommon_t *nr_rach_ConfigCommon = nr_UE_mac_inst->nr_rach_ConfigCommon;
NR_PRACH_RESOURCES_t *prach_resources = &nr_UE_mac_inst->RA_prach_resources;
//AssertFatal(CC_id == 0, "Transmission on secondary CCs is not supported yet\n");
AssertFatal(nr_rach_ConfigCommon != NULL, "[UE %d] CCid %d FATAL nr_rach_ConfigCommon is NULL !!!\n", mod_id, CC_id);
int8_t receivedTargerPower = nr_rach_ConfigCommon->rach_ConfigGeneric.preambleReceivedTargetPower + nr_get_DELTA_PREAMBLE(mod_id, CC_id) + (nr_UE_mac_inst->RA_PREAMBLE_POWER_RAMPING_COUNTER - 1) * prach_resources->RA_PREAMBLE_POWER_RAMPING_STEP;
return receivedTargerPower;
//return (-120 + (nr_rach_ConfigCommon->rach_ConfigGeneric.preambleReceivedTargetPower << 1) + nr_get_DELTA_PREAMBLE(mod_id, CC_id) );
}
/*int8_t get_deltaP_rampup(module_id_t module_idP, uint8_t CC_id){ // TBR
AssertFatal(CC_id == 0,
"Transmission on secondary CCs is not supported yet\n");
LOG_D(MAC, "[PUSCH]%d dB\n",
nrUE_mac_inst->RA_PREAMBLE_TRANSMISSION_COUNTER << 1);
return ((int8_t)
(nrUE_mac_inst->RA_PREAMBLE_TRANSMISSION_COUNTER << 1));
}*/
\ No newline at end of file
}
\ No newline at end of file
......@@ -114,7 +114,7 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac,fapi_nr_dl_config_request_t *dl_
if (mac->ra_state == WAIT_RAR) {
// check for RAR
rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
rel15->rnti = 2;//get_RA_RNTI(mac,frame,slot);
rel15->rnti = 2;//get_RA_RNTI(mac,frame,slot); // TBR
dl_config->number_pdus = dl_config->number_pdus + 1;
}
else if (mac->ra_state == WAIT_CONTENTION_RESOLUTION) {
......
......@@ -2752,7 +2752,9 @@ void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
LOG_D(MAC,"tb_scaling %d (2 bits)=> %d (0x%lx)\n",dci_pdu_rel15->tb_scaling,dci_size-pos,*dci_pdu);
#endif
break;
mac->rnti_type = rnti_type;
case NR_RNTI_C:
// indicating a DL DCI format 1bit
......@@ -3280,3 +3282,169 @@ void nr_ue_process_mac_pdu(module_id_t module_idP,
AssertFatal(pdu_len >= 0, "[MAC] nr_ue_process_mac_pdu, residual mac pdu length < 0!\n");
}
}
////////////////////////////////////////////////////////
/////* ULSCH MAC PDU generation (6.1.2 TS 38.321) */////
////////////////////////////////////////////////////////
unsigned char nr_generate_ulsch_pdu(uint8_t *sdus_payload,
uint8_t *pdu,
uint8_t num_sdus,
uint16_t *sdu_lengths,
uint8_t *sdu_lcids,
uint8_t power_headroom,
uint16_t crnti,
uint16_t truncated_bsr,
uint16_t short_bsr,
uint16_t long_bsr,
unsigned short post_padding) {
NR_MAC_SUBHEADER_FIXED *mac_pdu_ptr = (NR_MAC_SUBHEADER_FIXED *) pdu;
unsigned char first_element = 0, last_size = 0, i, mac_header_control_elements[16], *ce_ptr, bsr = 0;
int mac_ce_size, offset;
LOG_D(MAC, "[UE] Generating ULSCH PDU : num_sdus %d\n", num_sdus);
#ifdef DEBUG_HEADER_PARSING
for (i = 0; i < num_sdus; i++)
LOG_D(MAC, "[UE] MAC subPDU %d (lcid %d length %d bytes \n", i, sdu_lcids[i], sdu_lengths[i]);
#endif
// Generating UL MAC subPDUs including MAC SDU and subheader
for (i = 0; i < num_sdus; i++) {
LOG_D(MAC, "[UE] Generating UL MAC subPDUs for SDU with lenght %d ( num_sdus %d )\n", sdu_lengths[i], num_sdus);
if (sdu_lcids[i] != UL_SCH_LCID_CCCH){
if (sdu_lengths[i] < 128) {
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->R = 0;
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->F = 0;
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->LCID = sdu_lcids[i];
((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->L = (unsigned char) sdu_lengths[i];
last_size = 2;
} else {
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->R = 0;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->F = 1;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->LCID = sdu_lcids[i];
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->L1 = ((unsigned short) sdu_lengths[i] >> 8) & 0x7f;
((NR_MAC_SUBHEADER_LONG *) mac_pdu_ptr)->L2 = (unsigned short) sdu_lengths[i] & 0xff;
last_size = 3;
}
} else { // UL CCCH SDU
mac_pdu_ptr->R = 0;
mac_pdu_ptr->LCID = sdu_lcids[i];
}
mac_pdu_ptr += last_size;
// cycle through SDUs, compute each relevant and place ulsch_buffer in
memcpy((void *) mac_pdu_ptr, (void *) sdus_payload, sdu_lengths[i]);
sdus_payload += sdu_lengths[i];
mac_pdu_ptr += sdu_lengths[i];
}
// Generating UL MAC subPDUs including MAC CEs (MAC CE and subheader)
ce_ptr = &mac_header_control_elements[0];
if (power_headroom) {
// MAC CE fixed subheader
mac_pdu_ptr->R = 0;
mac_pdu_ptr->LCID = UL_SCH_LCID_SINGLE_ENTRY_PHR;
mac_pdu_ptr++;
// PHR MAC CE (1 octet)
((NR_SINGLE_ENTRY_PHR_MAC_CE *) ce_ptr)->PH = power_headroom;
((NR_SINGLE_ENTRY_PHR_MAC_CE *) ce_ptr)->R1 = 0;
((NR_SINGLE_ENTRY_PHR_MAC_CE *) ce_ptr)->PCMAX = 0; // todo
((NR_SINGLE_ENTRY_PHR_MAC_CE *) ce_ptr)->R2 = 0;
mac_ce_size = sizeof(NR_SINGLE_ENTRY_PHR_MAC_CE);
// Copying bytes for PHR MAC CEs to the mac pdu pointer
memcpy((void *) mac_pdu_ptr, (void *) ce_ptr, mac_ce_size);
ce_ptr += mac_ce_size;
mac_pdu_ptr += (unsigned char) mac_ce_size;
}
if (crnti) {
// MAC CE fixed subheader
mac_pdu_ptr->R = 0;
mac_pdu_ptr->LCID = CRNTI;
mac_pdu_ptr++;
// C-RNTI MAC CE (2 octets)
* (uint16_t *) ce_ptr = crnti;
mac_ce_size = sizeof(uint16_t);
// Copying bytes for CRNTI MAC CE to the mac pdu pointer
memcpy((void *) mac_pdu_ptr, (void *) ce_ptr, mac_ce_size);
ce_ptr += mac_ce_size;
mac_pdu_ptr += (unsigned char) mac_ce_size;
}
if (truncated_bsr) {
// MAC CE fixed subheader
mac_pdu_ptr->R = 0;
mac_pdu_ptr->LCID = UL_SCH_LCID_S_TRUNCATED_BSR;
mac_pdu_ptr++;
// Short truncated BSR MAC CE (1 octet)
((NR_BSR_SHORT_TRUNCATED *) ce_ptr)-> Buffer_size = truncated_bsr;
((NR_BSR_SHORT_TRUNCATED *) ce_ptr)-> LcgID = 0; // todo
mac_ce_size = sizeof(NR_BSR_SHORT_TRUNCATED);
bsr = 1 ;
} else if (short_bsr) {
// MAC CE fixed subheader
mac_pdu_ptr->R = 0;
mac_pdu_ptr->LCID = UL_SCH_LCID_S_BSR;
mac_pdu_ptr++;
// Short truncated BSR MAC CE (1 octet)
((NR_BSR_SHORT *) ce_ptr)->Buffer_size = short_bsr;
((NR_BSR_SHORT *) ce_ptr)->LcgID = 0; // todo
mac_ce_size = sizeof(NR_BSR_SHORT);
bsr = 1 ;
} else if (long_bsr) {
// MAC CE variable subheader
// todo ch 6.1.3.1. TS 38.321
// ((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->R = 0;
// ((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->F = 0;
// ((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->LCID = UL_SCH_LCID_L_BSR;
// ((NR_MAC_SUBHEADER_SHORT *) mac_pdu_ptr)->L = 0;
// last_size = 2;
// mac_pdu_ptr += last_size;