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Commit e8834e96 authored by Raymond Knopp's avatar Raymond Knopp
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added FAPI interfaces int gNB prach receiver functions... 

added FAPI interfaces int gNB prach receiver functions (rx_nr_prach,rx_nr_prach_ru) and in indication to MAC.
parent 498ce5fe
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Showing with 319 additions and 317 deletions
executables/nr-gnb.c
View file @ e8834e96
......@@ -165,14 +165,14 @@ static inline int rxtx(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int frame_t
if (gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus||
gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs ||
gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs ||
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles ||
gNB->UL_INFO.rach_ind.number_of_pdus ||
gNB->UL_INFO.cqi_ind.number_of_cqis
) {
LOG_D(PHY, "UL_info[rx_ind:%05d:%d harqs:%05d:%d crcs:%05d:%d preambles:%05d:%d cqis:%d] RX:%04d%d TX:%04d%d \n",
LOG_D(PHY, "UL_info[rx_ind:%05d:%d harqs:%05d:%d crcs:%05d:%d rach_pdus:%0d.%d:%d cqis:%d] RX:%04d%d TX:%04d%d \n",
NFAPI_SFNSF2DEC(gNB->UL_INFO.rx_ind.sfn_sf), gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus,
NFAPI_SFNSF2DEC(gNB->UL_INFO.harq_ind.sfn_sf), gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.crc_ind.sfn_sf), gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.rach_ind.sfn_sf), gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles,
gNB->UL_INFO.rach_ind.sfn, gNB->UL_INFO.rach_ind.slot,gNB->UL_INFO.rach_ind.number_of_pdus,
gNB->UL_INFO.cqi_ind.number_of_cqis,
frame_rx, slot_rx,
frame_tx, slot_tx);
......
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
View file @ e8834e96
......@@ -85,7 +85,7 @@ typedef enum {
NFAPI_NR_PHY_MSG_TYPE_CRC_INDICATION= 0X86,
NFAPI_NR_PHY_MSG_TYPE_UCI_INDICATION= 0X87,
NFAPI_NR_PHY_MSG_TYPE_SRS_INDICATION= 0X88,
NFAPI_NR_PHY_MSG_TYPE_PACH_INDICATION= 0X89
NFAPI_NR_PHY_MSG_TYPE_RACH_INDICATION= 0X89
//RESERVED 0X8a ~ 0xff
} nfapi_nr_phy_msg_type_e;
......
openair1/PHY/NR_TRANSPORT/nr_prach.c
View file @ e8834e96
......@@ -50,22 +50,28 @@ extern uint16_t nr_du[838];
extern int16_t nr_ru[2*839];
void rx_nr_prach_ru(RU_t *ru,
nfapi_nr_prach_pdu_t *prach_pdu,
int frame,
int subframe) {
int slot) {
AssertFatal(ru!=NULL,"ru is null\n");
int16_t **rxsigF=NULL;
NR_DL_FRAME_PARMS *fp=ru->nr_frame_parms;
int16_t prach_ConfigIndex = fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
NR_DL_FRAME_PARMS *fp=&ru->frame_parms;
int frame_type = ru->config.cell_config.frame_duplex_type.value;
int16_t *prach[ru->nb_rx];
uint8_t prach_fmt = get_nr_prach_fmt(prach_ConfigIndex,fp->frame_type,fp->freq_range);
uint8_t prach_fmt = prach_pdu->prach_format;
int prach_sequence_length = ru->config.prach_config.prach_sequence_length.value;
int msg1_frequencystart = ru->config.prach_config.num_prach_fd_occasions_list[0].k1.value;
rxsigF = ru->prach_rxsigF;
AssertFatal(ru->if_south == LOCAL_RF,"we shouldn't call this if if_south != LOCAL_RF\n");
for (int aa=0; aa<ru->nb_rx; aa++)
prach[aa] = (int16_t*)&ru->common.rxdata[aa][(subframe*fp->samples_per_slot<<1)-ru->N_TA_offset];
prach[aa] = (int16_t*)&ru->common.rxdata[aa][(slot*fp->samples_per_slot)-ru->N_TA_offset];
......@@ -73,7 +79,7 @@ void rx_nr_prach_ru(RU_t *ru,
int Ncp;
int16_t *prach2;
if (prach_sequence_length == 0) {
switch (prach_fmt) {
case 0:
Ncp = 3168;
......@@ -91,39 +97,43 @@ void rx_nr_prach_ru(RU_t *ru,
Ncp = 3168;
break;
case 0xa1:
}
}
else {
switch (prach_fmt) {
case 0: //A1
Ncp = 288/(1<<mu);
break;
case 0xa2:
case 1: //A2
Ncp = 576/(1<<mu);
break;
case 0xa3:
case 2: //A3
Ncp = 864/(1<<mu);
break;
case 0xb1:
case 3: //B1
Ncp = 216/(1<<mu);
break;
case 0xb2:
case 4: //B2
Ncp = 360/(1<<mu);
break;
case 0xb3:
case 5: //B3
Ncp = 504/(1<<mu);
break;
case 0xb4:
case 6: //B4
Ncp = 936/(1<<mu);
break;
case 0xc0:
case 7: //C0
Ncp = 1240/(1<<mu);
break;
case 0xc2:
case 8: //C2
Ncp = 2048/(1<<mu);
break;
......@@ -131,26 +141,26 @@ void rx_nr_prach_ru(RU_t *ru,
AssertFatal(1==0,"unknown prach format %x\n",prach_fmt);
break;
}
}
// Do forward transform
if (LOG_DEBUGFLAG(PRACH)) {
LOG_D(PHY,"rx_prach: Doing FFT for N_RB_UL %d nb_rx:%d Ncp:%d\n",fp->N_RB_UL, ru->nb_rx, Ncp);
LOG_D(PHY,"rx_prach: Doing PRACH FFT for nb_rx:%d Ncp:%d\n",ru->nb_rx, Ncp);
}
AssertFatal(mu==1,"only 30 kHz SCS handled for now\n");
// Note: Assumes PUSCH SCS @ 30 kHz, take values for formats 0-2 and adjust for others below
int kbar = 1;
int K = 24;
if (prach_fmt == 3) {
if (prach_sequence_length == 0 && prach_fmt == 3) {
K=4;
kbar=10;
}
else if (prach_fmt > 3) {
else if (prach_sequence_length == 1) {
// Note: Assumes that PRACH SCS is same as PUSCH SCS
K=1;
kbar=2;
}
int n_ra_prb = fp->prach_config_common.prach_ConfigInfo.msg1_frequencystart;
int n_ra_prb = msg1_frequencystart;
int k = (12*n_ra_prb) - 6*fp->N_RB_UL;
int N_ZC = (prach_fmt<4)?839:139;
......@@ -174,6 +184,7 @@ void rx_nr_prach_ru(RU_t *ru,
//40 MHz @ 61.44 Ms/s
//50 MHz @ 61.44 Ms/s
prach2 = prach[aa] + (Ncp<<2);
if (prach_sequence_length == 0) {
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2)
dft49152(prach2,rxsigF[aa],1);
if (prach_fmt == 1 || prach_fmt == 2) {
......@@ -189,29 +200,31 @@ void rx_nr_prach_ru(RU_t *ru,
for (int i=0;i<4;i++) dft12288(prach2+(i*12288*2),rxsigF[aa]+(i*12288*2),1);
reps=4;
}
if (prach_fmt >3) {
}
else {
dft2048(prach2,rxsigF[aa],1);
if (prach_fmt != 0xc0) {
if (prach_fmt != 7) { // !=C0
dft2048(prach2+4096,rxsigF[aa]+4096,1);
reps++;
}
}
if (prach_fmt == 0xa2 || prach_fmt == 0xa3 || prach_fmt == 0xb2 || prach_fmt == 0xb3 || prach_fmt == 0xb4 || prach_fmt == 0xc2) {
if (prach_fmt == 1 || prach_fmt == 2 || prach_fmt == 4 || prach_fmt == 5 || prach_fmt == 6 || prach_fmt == 8) {
dft2048(prach2+4096*2,rxsigF[aa]+4096*2,1);
dft2048(prach2+4096*3,rxsigF[aa]+4096*3,1);
reps+=2;
}
if (prach_fmt == 0xa3 || prach_fmt == 0xb3 || prach_fmt == 0xB4) {
if (prach_fmt == 2 || prach_fmt == 5 || prach_fmt == 6) {
dft2048(prach2+4096*4,rxsigF[aa]+4096*4,1);
dft2048(prach2+4096*5,rxsigF[aa]+4096*5,1);
reps+=2;
}
if (prach_fmt == 0xB4) {
if (prach_fmt == 6) {
for (int i=6;i<11;i++) dft2048(prach2+(4096*i),rxsigF[aa]+(4096*i),1);
reps+=6;
}
}
} else {
// 40 MHz @ 46.08 Ms/s
if (prach_sequence_length == 0) {
prach2 = prach[aa] + (3*Ncp);
AssertFatal(fp->N_RB_UL <= 107,"cannot do 108..136 PRBs with 3/4 sampling\n");
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2) {
......@@ -231,13 +244,13 @@ void rx_nr_prach_ru(RU_t *ru,
for (int i=0;i<4;i++) dft9216(prach2+(i*9216*2),rxsigF[aa]+(i*9216*2),1);
reps=4;
}
if (prach_fmt >3) {
} else {
dft1536(prach2,rxsigF[aa],1);
if (prach_fmt != 0xc0) {
dft1536(prach2+3072,rxsigF[aa]+3072,1);
reps++;
}
}
if (prach_fmt == 0xa2 || prach_fmt == 0xa3 || prach_fmt == 0xb2 || prach_fmt == 0xb3 || prach_fmt == 0xb4 || prach_fmt == 0xc2) {
dft1536(prach2+3072*2,rxsigF[aa]+3072*2,1);
dft1536(prach2+3072*3,rxsigF[aa]+3072*3,1);
......@@ -252,13 +265,16 @@ void rx_nr_prach_ru(RU_t *ru,
for (int i=6;i<11;i++) dft1536(prach2+(3072*i),rxsigF[aa]+(3072*i),1);
reps+=6;
}
}
}
} // short format
} // 3/4 sampling
} // <=50 MHz BW
else if (fp->N_RB_UL <= 273) {
if (fp->threequarter_fs==0) {
prach2 = prach[aa] + (Ncp<<3);
dftlen=98304;
//80,90,100 MHz @ 122.88 Ms/s
if (prach_sequence_length == 0) {
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2)
dft98304(prach2,rxsigF[aa],1);
if (prach_fmt == 1 || prach_fmt == 2) {
......@@ -275,33 +291,36 @@ void rx_nr_prach_ru(RU_t *ru,
reps=4;
dftlen=24576;
}
if (prach_fmt >3) {
}
else {
dftlen=4096;
dft4096(prach2,rxsigF[aa],1);
if (prach_fmt != 0xc0) {
if (prach_fmt != 7) { //!=C0
dft4096(prach2+8192,rxsigF[aa]+8192,1);
reps++;
}
}
if (prach_fmt == 0xa2 || prach_fmt == 0xa3 || prach_fmt == 0xb2 || prach_fmt == 0xb3 || prach_fmt == 0xb4 || prach_fmt == 0xc2) {
if (prach_fmt == 1 || prach_fmt == 2 || prach_fmt == 4 || prach_fmt == 5 || prach_fmt == 6 || prach_fmt == 8) {
dft4096(prach2+8192*2,rxsigF[aa]+8192*2,1);
dft4096(prach2+8192*3,rxsigF[aa]+8192*3,1);
reps+=2;
}
if (prach_fmt == 0xa3 || prach_fmt == 0xb3 || prach_fmt == 0xB4) {
if (prach_fmt == 2 || prach_fmt == 5 || prach_fmt == 6) {
dft4096(prach2+8192*4,rxsigF[aa]+8192*4,1);
dft4096(prach2+8192*5,rxsigF[aa]+8192*5,1);
reps+=2;
}
if (prach_fmt == 0xB4) {
if (prach_fmt == 6) {
for (int i=6;i<11;i++) dft4096(prach2+(8192*i),rxsigF[aa]+(8192*i),1);
reps+=6;
}
}
} else {
AssertFatal(fp->N_RB_UL <= 217,"cannot do more than 217 PRBs with 3/4 sampling\n");
prach2 = prach[aa] + (6*Ncp);
// 80 MHz @ 92.16 Ms/s
dftlen=73728;
if (prach_sequence_length == 0) {
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2) {
dft73728(prach2,rxsigF[aa],1);
reps++;
......@@ -315,31 +334,31 @@ void rx_nr_prach_ru(RU_t *ru,
reps=4;
dftlen=18432;
}
if (prach_fmt >3) {
} else {
dftlen=3072;
dft3072(prach2,rxsigF[aa],1);
if (prach_fmt != 0xc0) {
if (prach_fmt != 7) { //!=C0
dft3072(prach2+6144,rxsigF[aa]+6144,1);
reps++;
}
}
if (prach_fmt == 0xa2 || prach_fmt == 0xa3 || prach_fmt == 0xb2 || prach_fmt == 0xb3 || prach_fmt == 0xb4 || prach_fmt == 0xc2) {
if (prach_fmt == 1 || prach_fmt == 2 || prach_fmt == 4 || prach_fmt == 5 || prach_fmt == 6 || prach_fmt == 8) {
dft3072(prach2+6144*2,rxsigF[aa]+6144*2,1);
dft3072(prach2+6144*3,rxsigF[aa]+6144*3,1);
reps+=2;
}
if (prach_fmt == 0xa3 || prach_fmt == 0xb3 || prach_fmt == 0xB4) {
if (prach_fmt == 2 || prach_fmt == 5 || prach_fmt == 6) {
dft3072(prach2+6144*4,rxsigF[aa]+6144*4,1);
dft3072(prach2+6144*5,rxsigF[aa]+6144*5,1);
reps+=2;
}
if (prach_fmt == 0xB4) {
if (prach_fmt == 6) {
for (int i=6;i<11;i++) dft3072(prach2+(6144*i),rxsigF[aa]+(6144*i),1);
reps+=6;
}
}
}
}
//Coherent combining of PRACH repetitions (assumes channel does not change, to be revisted for "long" PRACH)
int16_t rxsigF_tmp[N_ZC<<1];
......@@ -359,6 +378,7 @@ void rx_nr_prach_ru(RU_t *ru,
}
void rx_nr_prach(PHY_VARS_gNB *gNB,
nfapi_nr_prach_pdu_t *prach_pdu,
int frame,
int subframe,
uint16_t *max_preamble,
......@@ -369,11 +389,12 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
int i;
nfapi_nr_prach_config_t *cfg=&gNB->gNB_config.prach_config;
NR_DL_FRAME_PARMS *fp;
lte_frame_type_t frame_type;
uint16_t rootSequenceIndex;
uint8_t prach_ConfigIndex;
uint8_t Ncs_config;
int numrootSequenceIndex;
uint8_t restricted_set;
uint8_t n_ra_prb;
int16_t *prachF=NULL;
......@@ -403,63 +424,47 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
int16_t prach_ifft_tmp[2048*2] __attribute__((aligned(32)));
int32_t *prach_ifft=(int32_t*)NULL;
nr_frequency_range_e freq_range;
AssertFatal(gNB!=NULL,"Can only be called from gNB\n");
AssertFatal(gNB!=NULL,"gNB is null\n");
fp = &gNB->frame_parms;
nb_rx = fp->nb_antennas_rx;
frame_type = fp->frame_type;
freq_range = fp->freq_range;
rootSequenceIndex = fp->prach_config_common.rootSequenceIndex;
prach_ConfigIndex = fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
Ncs_config = fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig;
restricted_set = fp->prach_config_common.prach_ConfigInfo.highSpeedFlag;
nb_rx = gNB->gNB_config.carrier_config.num_rx_ant.value;
frame_type = gNB->gNB_config.cell_config.frame_duplex_type.value;
rootSequenceIndex = cfg->num_prach_fd_occasions_list[0].prach_root_sequence_index.value;
numrootSequenceIndex = cfg->num_prach_fd_occasions_list[0].num_root_sequences.value;
NCS = cfg->num_prach_fd_occasions_list[0].prach_zero_corr_conf.value;
int prach_sequence_length = cfg->prach_sequence_length.value;
int msg1_frequencystart = cfg->num_prach_fd_occasions_list[0].k1.value;
// int num_unused_root_sequences = cfg->num_prach_fd_occasions_list[0].num_unused_root_sequences.value;
// cfg->num_prach_fd_occasions_list[0].unused_root_sequences_list
restricted_set = cfg->restricted_set_config.value;
AssertFatal(prach_sequence_length == 1, "no support yet for long prachSequenceLength\n");
uint8_t prach_fmt = prach_pdu->prach_format;
uint16_t N_ZC = (prach_sequence_length==0)?839:139;
uint8_t prach_fmt = get_nr_prach_fmt(prach_ConfigIndex,frame_type,freq_range);
uint16_t N_ZC = (prach_fmt <4)?839:139;
AssertFatal(gNB!=NULL,"gNB is null\n");
prach_ifft = gNB->prach_vars.prach_ifft;
prachF = gNB->prach_vars.prachF;
if (LOG_DEBUGFLAG(PRACH)){
if ((frame&1023) < 20) LOG_D(PHY,"PRACH (gNB) : running rx_prach for subframe %d, msg1_frequencystart %d, prach_ConfigIndex %d , rootSequenceIndex %d\n", subframe,fp->prach_config_common.prach_ConfigInfo.msg1_frequencystart,prach_ConfigIndex,rootSequenceIndex);
if ((frame&1023) < 20) LOG_D(PHY,"PRACH (gNB) : running rx_prach for subframe %d, msg1_frequencystart %d, rootSequenceIndex %d\n", subframe,msg1_frequencystart,rootSequenceIndex);
}
int restricted_Type = 0; //this is hardcoded ('0' for restricted_TypeA; and '1' for restricted_TypeB). FIXME
if (prach_fmt<3){
if (restricted_set == 0) {
NCS = NCS_unrestricted_delta_f_RA_125[Ncs_config];
} else {
if (restricted_Type == 0) NCS = NCS_restricted_TypeA_delta_f_RA_125[Ncs_config]; // for TypeA, this is hardcoded. FIXME
if (restricted_Type == 1) NCS = NCS_restricted_TypeB_delta_f_RA_125[Ncs_config]; // for TypeB, this is hardcoded. FIXME
}
}
if (prach_fmt==3){
if (restricted_set == 0) {
NCS = NCS_unrestricted_delta_f_RA_5[Ncs_config];
} else {
if (restricted_Type == 0) NCS = NCS_restricted_TypeA_delta_f_RA_5[Ncs_config]; // for TypeA, this is hardcoded. FIXME
if (restricted_Type == 1) NCS = NCS_restricted_TypeB_delta_f_RA_5[Ncs_config]; // for TypeB, this is hardcoded. FIXME
}
}
if (prach_fmt>3){
NCS = NCS_unrestricted_delta_f_RA_15[Ncs_config];
}
AssertFatal(NCS!=99,"NCS has not been set\n");
if (gNB) start_meas(&gNB->rx_prach);
start_meas(&gNB->rx_prach);
prach_root_sequence_map = (prach_fmt<4) ? prach_root_sequence_map_0_3 : prach_root_sequence_map_abc;
prach_root_sequence_map = (cfg->prach_sequence_length.value==0) ? prach_root_sequence_map_0_3 : prach_root_sequence_map_abc;
// PDP is oversampled, e.g. 1024 sample instead of 839
// Adapt the NCS (zero-correlation zones) with oversampling factor e.g. 1024/839
......@@ -562,8 +567,8 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
// Compute DFT of RX signal (conjugate input, results in conjugate output) for each new rootSequenceIndex
if (LOG_DEBUGFLAG(PRACH)) {
int en = dB_fixed(signal_energy((int32_t*)&rxsigF[0][0],840));
if (en>60) LOG_I(PHY,"frame %d, subframe %d : preamble index %d, NCS %d, NCS_config %d, N_ZC/NCS %d: offset %d, preamble shift %d , en %d)\n",
frame,subframe,preamble_index,NCS,Ncs_config,N_ZC/NCS,preamble_offset,preamble_shift,en);
if (en>60) LOG_I(PHY,"frame %d, subframe %d : preamble index %d, NCS %d, N_ZC/NCS %d: offset %d, preamble shift %d , en %d)\n",
frame,subframe,preamble_index,NCS,N_ZC/NCS,preamble_offset,preamble_shift,en);
}
if (new_dft == 1) {
......@@ -644,12 +649,11 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
// max_preamble_delay * ( (2048/2^mu*(fs/30.72M)) / 256 ) / fs = TA * 16 * 64 / 2^mu * Tc
uint16_t *TA = max_preamble_delay;
int mu = fp->numerology_index;
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2)
*TA = *TA*3*(1<<mu)/2;
else if (prach_fmt == 3)
*TA = *TA*3*(1<<mu)/8;
else if (prach_fmt > 3)
*TA = *TA/2;
if (cfg->prach_sequence_length.value==0) {
if (prach_fmt == 0 || prach_fmt == 1 || prach_fmt == 2) *TA = *TA*3*(1<<mu)/2;
else if (prach_fmt == 3) *TA = *TA*3*(1<<mu)/8;
}
else *TA = *TA/2;
if (LOG_DUMPFLAG(PRACH)) {
......@@ -670,7 +674,7 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
LOG_M("prach_ifft0.m","prach_t0",prach_ifft,1024,1,1);
}
} /* LOG_DUMPFLAG(PRACH) */
if (gNB) stop_meas(&gNB->rx_prach);
stop_meas(&gNB->rx_prach);
}
openair1/PHY/NR_TRANSPORT/nr_transport.h
View file @ e8834e96
......@@ -112,6 +112,7 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(NR_DL_FRAME_PARMS *frame_parms,
uint16_t N_RB);
void rx_nr_prach(PHY_VARS_gNB *gNB,
nfapi_nr_prach_pdu_t *prach_pdu,
int frame,
int subframe,
uint16_t *max_preamble,
......@@ -120,6 +121,7 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
);
void rx_nr_prach_ru(RU_t *ru,
nfapi_nr_prach_pdu_t *prach_pdu,
int frame,
int subframe);
......
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
View file @ e8834e96
......@@ -214,6 +214,7 @@ uint32_t nr_get_code_rate_ul(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate_dl(uint8_t Imcs, uint8_t table_idx);
void rx_nr_prach(PHY_VARS_gNB *gNB,
nfapi_nr_prach_pdu_t *prach_pdu,
int frame,
int subframe,
uint16_t *max_preamble,
......
openair1/PHY/defs_RU.h
View file @ e8834e96
......@@ -38,7 +38,7 @@
#include "openairinterface5g_limits.h"
#include "PHY/TOOLS/time_meas.h"
#include "defs_common.h"
#include "nfapi_nr_interface_scf.h"
#define MAX_BANDS_PER_RRU 4
#define MAX_RRU_CONFIG_SIZE 1024
......@@ -480,6 +480,8 @@ typedef struct RU_t_s {
int att_tx;
/// flag to indicate precoding operation in RU
int do_precoding;
/// FAPI confiuration
nfapi_nr_config_request_scf_t config;
/// Frame parameters
struct LTE_DL_FRAME_PARMS *frame_parms;
struct NR_DL_FRAME_PARMS *nr_frame_parms;
......
openair1/PHY/defs_gNB.h
View file @ e8834e96
......@@ -582,6 +582,9 @@ typedef struct {
int prach_I0;
} PHY_MEASUREMENTS_gNB;
#define MAX_NUM_NR_RX_RACH_PDUS 4
#define MAX_NUM_NR_RX_PRACH_PREAMBLES 4
/// Top-level PHY Data Structure for gNB
typedef struct PHY_VARS_gNB_s {
/// Module ID indicator for this instance
......@@ -620,7 +623,9 @@ typedef struct PHY_VARS_gNB_s {
/// NFAPI CQI information (raw component)
nfapi_cqi_indication_raw_pdu_t cqi_raw_pdu_list[NFAPI_CQI_IND_MAX_PDU];
/// NFAPI PRACH information
nfapi_preamble_pdu_t preamble_list[MAX_NUM_RX_PRACH_PREAMBLES];
nfapi_nr_prach_indication_pdu_t prach_pdu_indication_list[MAX_NUM_NR_RX_RACH_PDUS];
/// NFAPI PRACH information
nfapi_nr_prach_indication_preamble_t preamble_list[MAX_NUM_NR_RX_PRACH_PREAMBLES];
//Sched_Rsp_t Sched_INFO;
nfapi_nr_ul_tti_request_t UL_tti_req;
......
openair1/SCHED_NR/nr_prach_procedures.c
View file @ e8834e96
......@@ -52,12 +52,14 @@ extern uint32_t nfapi_mode;
extern int oai_nfapi_nr_rach_ind(nfapi_rach_indication_t *rach_ind);
void L1_nr_prach_procedures(PHY_VARS_gNB *gNB,int frame,int subframe) {
void L1_nr_prach_procedures(PHY_VARS_gNB *gNB,int frame,int slot,
nfapi_nr_prach_pdu_t *prach_pdu) {
uint16_t max_preamble[4],max_preamble_energy[4],max_preamble_delay[4];
uint16_t i;
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles=0;
gNB->UL_INFO.rach_ind.number_of_pdus=0;
RU_t *ru;
int aa=0;
......@@ -75,16 +77,18 @@ void L1_nr_prach_procedures(PHY_VARS_gNB *gNB,int frame,int subframe) {
}
}
rx_nr_prach(gNB,
prach_pdu,
frame,
subframe,
slot,
&max_preamble[0],
&max_preamble_energy[0],
&max_preamble_delay[0]
);
LOG_D(PHY,"[RAPROC] Frame %d, subframe %d : Most likely preamble %d, energy %d dB delay %d (prach_energy counter %d)\n",
frame,subframe,
LOG_D(PHY,"[RAPROC] Frame %d, slot %d : Most likely preamble %d, energy %d dB delay %d (prach_energy counter %d)\n",
frame,slot,
max_preamble[0],
max_preamble_energy[0]/10,
max_preamble_delay[0],
......@@ -93,49 +97,42 @@ void L1_nr_prach_procedures(PHY_VARS_gNB *gNB,int frame,int subframe) {
if ((gNB->prach_energy_counter == 100) &&
(max_preamble_energy[0] > gNB->measurements.prach_I0+100)) {
LOG_I(PHY,"[gNB %d][RAPROC] Frame %d, subframe %d Initiating RA procedure with preamble %d, energy %d.%d dB, delay %d\n",
LOG_I(PHY,"[gNB %d][RAPROC] Frame %d, slot %d Initiating RA procedure with preamble %d, energy %d.%d dB, delay %d\n",
gNB->Mod_id,
frame,
subframe,
slot,
max_preamble[0],
max_preamble_energy[0]/10,
max_preamble_energy[0]%10,
max_preamble_delay[0]);
T(T_ENB_PHY_INITIATE_RA_PROCEDURE, T_INT(gNB->Mod_id), T_INT(frame), T_INT(subframe),
T(T_ENB_PHY_INITIATE_RA_PROCEDURE, T_INT(gNB->Mod_id), T_INT(frame), T_INT(slot),
T_INT(max_preamble[0]), T_INT(max_preamble_energy[0]), T_INT(max_preamble_delay[0]));
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles = 1;
gNB->UL_INFO.rach_ind.rach_indication_body.preamble_list = &gNB->preamble_list[0];
gNB->UL_INFO.rach_ind.rach_indication_body.tl.tag = NFAPI_RACH_INDICATION_BODY_TAG;
gNB->UL_INFO.rach_ind.header.message_id = NFAPI_RACH_INDICATION;
gNB->UL_INFO.rach_ind.sfn_sf = frame<<4 | subframe;
gNB->preamble_list[0].preamble_rel8.tl.tag = NFAPI_PREAMBLE_REL8_TAG;
gNB->preamble_list[0].preamble_rel8.timing_advance = max_preamble_delay[0];
gNB->preamble_list[0].preamble_rel8.preamble = max_preamble[0];
gNB->preamble_list[0].preamble_rel8.rnti = 1+subframe; // note: fid is implicitly 0 here
gNB->preamble_list[0].instance_length = 0; //don't know exactly what this is
gNB->UL_INFO.rach_ind.number_of_pdus = 1;
gNB->UL_INFO.rach_ind.pdu_list = &gNB->prach_pdu_indication_list[0];
gNB->UL_INFO.rach_ind.sfn = frame;
gNB->UL_INFO.rach_ind.slot = slot;
if (nfapi_mode == 1) { // If NFAPI PNF then we need to send the message to the VNF
gNB->prach_pdu_indication_list[0].phy_cell_id = gNB->gNB_config.cell_config.phy_cell_id.value;
gNB->prach_pdu_indication_list[0].symbol_index = prach_pdu->prach_start_symbol;
gNB->prach_pdu_indication_list[0].slot_index = slot;
gNB->prach_pdu_indication_list[0].freq_index = 0; // single frequency for now
gNB->prach_pdu_indication_list[0].avg_rssi = (max_preamble_energy[0]<631) ? (128+(max_preamble_energy[0]/5)) : 254;
gNB->prach_pdu_indication_list[0].avg_snr = 0xff; // invalid for now
LOG_D(PHY,"Filling NFAPI indication for NR RACH : SFN_SF:%d TA %d, Preamble %d, rnti %x\n",
NFAPI_SFNSF2DEC(gNB->UL_INFO.rach_ind.sfn_sf),
gNB->preamble_list[0].preamble_rel8.timing_advance,
gNB->preamble_list[0].preamble_rel8.preamble,
gNB->preamble_list[0].preamble_rel8.rnti);
AssertFatal(1==0,"shouldn't be here yet..\n");
//oai_nfapi_nr_rach_ind(&gNB->UL_INFO.rach_ind);
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles = 0;
gNB->prach_pdu_indication_list[0].num_preamble = 1;
gNB->prach_pdu_indication_list[0].preamble_list = gNB->preamble_list;
gNB->prach_pdu_indication_list[0].preamble_list[0].preamble_index = max_preamble[0];
gNB->prach_pdu_indication_list[0].preamble_list[0].timing_advance = max_preamble_delay[0];
gNB->prach_pdu_indication_list[0].preamble_list[0].preamble_pwr = 0xffffffff;
}
} // max_preamble_energy > prach_I0 + 100
else {
gNB->measurements.prach_I0 = ((gNB->measurements.prach_I0*900)>>10) + ((max_preamble_energy[0]*124)>>10);
if (frame==0) LOG_I(PHY,"prach_I0 = %d.%d dB\n",gNB->measurements.prach_I0/10,gNB->measurements.prach_I0%10);
if (gNB->prach_energy_counter < 100) gNB->prach_energy_counter++;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PRACH_RX,0);
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
View file @ e8834e96
......@@ -57,8 +57,9 @@ void nr_initiate_ra_proc(module_id_t module_idP,
frame_t frameP,
sub_frame_t slotP,
uint16_t preamble_index,
int16_t timing_offset,
uint16_t ra_rnti){
int16_t timing_offset){
uint16_t ra_rnti=157;
uint8_t i;
uint16_t msg2_frame = frameP, msg2_slot = slotP;
int offset;
......@@ -186,14 +187,6 @@ void nr_generate_Msg2(module_id_t module_idP,
if ((ra->Msg2_frame == frameP) && (ra->Msg2_slot == slotP)) {
// todo
// Allocate 4 PRBS starting in RB 0
// first_rb = 0;
// vrb_map[first_rb] = 1;
// vrb_map[first_rb + 1] = 1;
// vrb_map[first_rb + 2] = 1;
// vrb_map[first_rb + 3] = 1;
nfapi_nr_dl_tti_request_body_t *dl_req = &nr_mac->DL_req[CC_id].dl_tti_request_body;
nfapi_nr_dl_tti_request_pdu_t *dl_config_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
nfapi_nr_pdu_t *tx_req = &nr_mac->TX_req[CC_id].pdu_list[nr_mac->TX_req[CC_id].Number_of_PDUs];
......
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
View file @ e8834e96
......@@ -90,11 +90,7 @@ void nr_schedule_RA(module_id_t module_idP, frame_t frameP, sub_frame_t slotP);
@param rach_resource type (0=non BL/CE,1 CE level 0,2 CE level 1, 3 CE level 2,4 CE level 3)
*/
void nr_initiate_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t slotP,
uint16_t preamble_index, int16_t timing_offset, uint16_t rnti
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
, uint8_t rach_resource_type
#endif
);
uint16_t preamble_index, int16_t timing_offset);
void nr_clear_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP);
......
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
View file @ e8834e96
......@@ -53,18 +53,23 @@ extern uint8_t nfapi_mode;
extern uint16_t sf_ahead;
void handle_nr_rach(NR_UL_IND_t *UL_info) {
if (UL_info->rach_ind.rach_indication_body.number_of_preambles>0) {
AssertFatal(UL_info->rach_ind.rach_indication_body.number_of_preambles==1,"More than 1 preamble not supported\n");
UL_info->rach_ind.rach_indication_body.number_of_preambles=0;
LOG_D(MAC,"UL_info[Frame %d, Slot %d] Calling initiate_ra_proc RACH:SFN/SF:%d\n",UL_info->frame,UL_info->slot, NFAPI_SFNSF2DEC(UL_info->rach_ind.sfn_sf));
if (UL_info->rach_ind.number_of_pdus>0) {
AssertFatal(UL_info->rach_ind.number_of_pdus==1,"More than 1 RACH pdu not supported\n");
UL_info->rach_ind.number_of_pdus=0;
LOG_D(MAC,"UL_info[Frame %d, Slot %d] Calling initiate_ra_proc RACH:SFN/SLOT:%d/%d\n",UL_info->frame,UL_info->slot, UL_info->rach_ind.sfn,UL_info->rach_ind.slot);
if (UL_info->rach_ind.pdu_list[0].num_preamble>0)
AssertFatal(UL_info->rach_ind.pdu_list[0].num_preamble==1,
"More than 1 preamble not supported\n");
nr_initiate_ra_proc(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rach_ind.sfn_sf),
NFAPI_SFNSF2SF(UL_info->rach_ind.sfn_sf),
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti);
UL_info->rach_ind.sfn,
UL_info->rach_ind.slot,
UL_info->rach_ind.pdu_list[0].preamble_list[0].preamble_index,
UL_info->rach_ind.pdu_list[0].preamble_list[0].timing_advance);
}
}
......@@ -220,11 +225,11 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
NR_Sched_Rsp_t *sched_info = &Sched_INFO[module_id][CC_id];
NR_IF_Module_t *ifi = if_inst[module_id];
gNB_MAC_INST *mac = RC.nrmac[module_id];
LOG_D(PHY,"SFN/SF:%d%d module_id:%d CC_id:%d UL_info[rx_ind:%d harqs:%d crcs:%d cqis:%d preambles:%d sr_ind:%d]\n",
LOG_D(PHY,"SFN/SF:%d%d module_id:%d CC_id:%d UL_info[rx_ind:%d harqs:%d crcs:%d cqis:%d rach_pdus:%d sr_ind:%d]\n",
UL_info->frame,UL_info->slot,
module_id,CC_id,
UL_info->rx_ind.rx_indication_body.number_of_pdus, UL_info->harq_ind.harq_indication_body.number_of_harqs, UL_info->crc_ind.crc_indication_body.number_of_crcs, UL_info->cqi_ind.number_of_cqis,
UL_info->rach_ind.rach_indication_body.number_of_preambles, UL_info->sr_ind.sr_indication_body.number_of_srs);
UL_info->rach_ind.number_of_pdus, UL_info->sr_ind.sr_indication_body.number_of_srs);
if (nfapi_mode != 1) {
if (ifi->CC_mask==0) {
......
openair2/NR_PHY_INTERFACE/NR_IF_Module.h
View file @ e8834e96
......@@ -74,10 +74,7 @@ typedef struct {
nfapi_cqi_indication_body_t cqi_ind;
/// RACH indication list
nfapi_rach_indication_t rach_ind;
/// RACH indication list for BR UEs
nfapi_rach_indication_t rach_ind_br;
nfapi_nr_rach_indication_t rach_ind;
/// SRS indication list
nfapi_srs_indication_body_t srs_ind;
......
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