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fixing RRC power levels at 5G side to avoid saturation

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This commit is contained in:
Florian Kaltenberger
2021-02-01 10:24:22 +01:00
parent 0f57529b48
commit a5b5d6f9b0
10 changed files with 52 additions and 17 deletions
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common/utils/T/T_defs.h
+2 -2
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@@ -44,7 +44,7 @@
/* let's have 100 RBs functional for the basic simulator */ /* let's have 100 RBs functional for the basic simulator */
# define T_BUFFER_MAX (1024*64*2) # define T_BUFFER_MAX (1024*64*2)
#else #else
# define T_BUFFER_MAX (1024*64) # define T_BUFFER_MAX (1024*64*2)
#endif #endif
/* size of the local cache for messages (must be pow(2,something)) */ /* size of the local cache for messages (must be pow(2,something)) */
@@ -52,7 +52,7 @@
/* we don't need much space for the basic simulator */ /* we don't need much space for the basic simulator */
# define T_CACHE_SIZE 1024 # define T_CACHE_SIZE 1024
#else #else
# define T_CACHE_SIZE (8192 * 2) # define T_CACHE_SIZE (8192)
#endif #endif
/* maximum number of bytes a message can contain */ /* maximum number of bytes a message can contain */
common/utils/T/T_messages.txt
+4
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@@ -1,3 +1,7 @@
ID = BENETEL
GROUP = ALL
FORMAT = int,frame : int,slot : buffer,rxdataF
#general logs #general logs
ID = ENB_MASTER_TICK ID = ENB_MASTER_TICK
DESC = eNodeB master tick - one tick per ms, to be used as "reference clock", mostly for ticktime view DESC = eNodeB master tick - one tick per ms, to be used as "reference clock", mostly for ticktime view
executables/nr-gnb.c
+6
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@@ -1001,7 +1001,13 @@ void init_eNB_afterRU(void) {
for (i=0; i<gNB->RU_list[ru_id]->nb_rx; aa++,i++) { for (i=0; i<gNB->RU_list[ru_id]->nb_rx; aa++,i++) {
LOG_I(PHY,"Attaching RU %d antenna %d to gNB antenna %d\n",gNB->RU_list[ru_id]->idx,i,aa); LOG_I(PHY,"Attaching RU %d antenna %d to gNB antenna %d\n",gNB->RU_list[ru_id]->idx,i,aa);
gNB->prach_vars.rxsigF[aa] = gNB->RU_list[ru_id]->prach_rxsigF[0][i]; gNB->prach_vars.rxsigF[aa] = gNB->RU_list[ru_id]->prach_rxsigF[0][i];
#if 0
printf("before %p\n", gNB->common_vars.rxdataF[aa]);
#endif
gNB->common_vars.rxdataF[aa] = gNB->RU_list[ru_id]->common.rxdataF[i]; gNB->common_vars.rxdataF[aa] = gNB->RU_list[ru_id]->common.rxdataF[i];
#if 0
printf("after %p\n", gNB->common_vars.rxdataF[aa]);
#endif
} }
} }
openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+4
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@@ -67,6 +67,10 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB,
int **ul_ch_estimates = gNB->pusch_vars[ul_id]->ul_ch_estimates; int **ul_ch_estimates = gNB->pusch_vars[ul_id]->ul_ch_estimates;
int **rxdataF = gNB->common_vars.rxdataF; int **rxdataF = gNB->common_vars.rxdataF;
#if 0
printf("nr_pusch_channel_estimation rxdataF %p\n", &rxdataF[0][0]);
#endif
nushift = (p>>1)&1; nushift = (p>>1)&1;
gNB->frame_parms.nushift = nushift; gNB->frame_parms.nushift = nushift;
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+4
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@@ -250,6 +250,10 @@ void nr_ulsch_extract_rbs_single(int32_t **rxdataF,
uint8_t is_dmrs_re; uint8_t is_dmrs_re;
start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start * NR_NB_SC_PER_RB))%frame_parms->ofdm_symbol_size; start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start * NR_NB_SC_PER_RB))%frame_parms->ofdm_symbol_size;
#if 0
printf("frame_parms->first_carrier_offset in nr_ulsch_extract_rbs_single %d\n", frame_parms->first_carrier_offset);
printf("rxdataF in nr_ulsch_extract_rbs_single %p\n", &rxdataF[0][0]);
#endif
nb_re_pusch = NR_NB_SC_PER_RB * pusch_pdu->rb_size; nb_re_pusch = NR_NB_SC_PER_RB * pusch_pdu->rb_size;
#ifdef __AVX2__ #ifdef __AVX2__
int nb_re_pusch2 = nb_re_pusch + (nb_re_pusch&7); int nb_re_pusch2 = nb_re_pusch + (nb_re_pusch&7);
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+7
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@@ -551,6 +551,11 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
gNB_I0_measurements(gNB); gNB_I0_measurements(gNB);
// measure enegry in SS=10 L=4, nb_rb = 18, first_rb = 0 (corresponds to msg3)
int offset = 10*gNB->frame_parms.ofdm_symbol_size + gNB->frame_parms.first_carrier_offset;
int power_rxF = signal_energy_nodc(&gNB->common_vars.rxdataF[0][offset],12*18);
LOG_D(PHY,"frame %d, slot %d: UL signal energy %d\n",frame_rx,slot_rx,power_rxF);
for (int i=0;i<NUMBER_OF_NR_PUCCH_MAX;i++){ for (int i=0;i<NUMBER_OF_NR_PUCCH_MAX;i++){
NR_gNB_PUCCH_t *pucch = gNB->pucch[i]; NR_gNB_PUCCH_t *pucch = gNB->pucch[i];
if (pucch) { if (pucch) {
@@ -646,6 +651,8 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
} }
#endif #endif
T(T_BENETEL, T_INT(frame_rx), T_INT(slot_rx), T_BUFFER(&gNB->common_vars.rxdataF[0][0], 2048*4*14));
uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index; uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index;
uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols; uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH,1); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH,1);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+4 -3
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@@ -334,7 +334,7 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
UE_scheduling_control = &(UE_info->UE_sched_ctrl[UE_id]); UE_scheduling_control = &(UE_info->UE_sched_ctrl[UE_id]);
UE_info->mac_stats[UE_id].ulsch_total_bytes_rx += sdu_lenP; UE_info->mac_stats[UE_id].ulsch_total_bytes_rx += sdu_lenP;
LOG_D(MAC, "[gNB %d][PUSCH %d] CC_id %d %d.%d Received ULSCH sdu from PHY (rnti %x, UE_id %d) ul_cqi %d\n", LOG_D(MAC, "[gNB %d][PUSCH %d] CC_id %d %d.%d Received ULSCH sdu from PHY (rnti %x, UE_id %d) ul_cqi %d sduP %p\n",
gnb_mod_idP, gnb_mod_idP,
harq_pid, harq_pid,
CC_idP, CC_idP,
@@ -342,7 +342,8 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
slotP, slotP,
current_rnti, current_rnti,
UE_id, UE_id,
ul_cqi); ul_cqi,
sduP);
// if not missed detection (10dB threshold for now) // if not missed detection (10dB threshold for now)
if (UE_scheduling_control->ul_rssi < (100+rssi)) { if (UE_scheduling_control->ul_rssi < (100+rssi)) {
@@ -627,7 +628,7 @@ void nr_schedule_ulsch(module_id_t module_id,
if (cur_harq->round == 0) { if (cur_harq->round == 0) {
UE_info->mac_stats[UE_id].ulsch_total_bytes_scheduled += sched_pusch->tb_size; UE_info->mac_stats[UE_id].ulsch_total_bytes_scheduled += sched_pusch->tb_size;
} else { } else {
LOG_W(MAC, LOG_D(MAC,
"%d.%2d UL retransmission RNTI %04x sched %d.%2d HARQ PID %d round %d NDI %d\n", "%d.%2d UL retransmission RNTI %04x sched %d.%2d HARQ PID %d round %d NDI %d\n",
frame, frame,
slot, slot,
targets/ARCH/ETHERNET/benetel/5g/benetel.c
+6 -2
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@@ -228,11 +228,15 @@ next:
fp = ru->nr_frame_parms; fp = ru->nr_frame_parms;
for (symbol = 0; symbol < 14; symbol++) { for (symbol = 0; symbol < 14; symbol++) {
int i; int i;
uint16_t *p = (uint16_t *)(&s->buffers.ul[*slot][symbol*1272*4]); int16_t *p = (int16_t *)(&s->buffers.ul[*slot][symbol*1272*4]);
for (i = 0; i < 1272*2; i++) { for (i = 0; i < 1272*2; i++) {
p[i] = htons(p[i]); p[i] = (int16_t)(ntohs(p[i])) / 16;
} }
rxdata = &ru->common.rxdataF[antenna][symbol * fp->ofdm_symbol_size]; rxdata = &ru->common.rxdataF[antenna][symbol * fp->ofdm_symbol_size];
#if 0
if (*slot == 0 && symbol == 0)
printf("rxdata in benetel_fh_if4p5_south_in %p\n", &ru->common.rxdataF[antenna][0]);
#endif
#if 1 #if 1
memcpy(rxdata + 2048 - 1272/2, memcpy(rxdata + 2048 - 1272/2,
&s->buffers.ul[*slot][symbol*1272*4], &s->buffers.ul[*slot][symbol*1272*4],
targets/PROJECTS/GENERIC-LTE-EPC/CONF/benetel-4g.conf
+6 -6
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@@ -230,12 +230,12 @@ RUs = (
local_if_name = "dpdk"; local_if_name = "dpdk";
sdr_addrs = "softmodem -m 2048 -l 35 -n 2 -b 0000:81:00.3 --proc-type auto --file-prefix ggg -- -p 0x1"; sdr_addrs = "softmodem -m 2048 -l 35 -n 2 -b 0000:81:00.3 --proc-type auto --file-prefix ggg -- -p 0x1";
#sdr_addrs = "softmodem -l 8 -n 2 -- -p 0x2"; #sdr_addrs = "softmodem -l 8 -n 2 -- -p 0x2";
remote_address = "127.0.0.2"; #remote_address = "127.0.0.2";
local_address = "127.0.0.1"; #local_address = "127.0.0.1";
local_portc = 50000; #local_portc = 50000;
remote_portc = 50000; #remote_portc = 50000;
local_portd = 50001; #local_portd = 50001;
remote_portd = 50001; #remote_portd = 50001;
local_rf = "no" local_rf = "no"
tr_preference = "raw_if4p5" tr_preference = "raw_if4p5"
nb_tx = 1 nb_tx = 1
targets/PROJECTS/GENERIC-LTE-EPC/CONF/benetel-5g.conf
+9 -4
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@@ -23,6 +23,8 @@ gNBs =
ssb_SubcarrierOffset = 31; //0; ssb_SubcarrierOffset = 31; //0;
pdsch_AntennaPorts = 1; pdsch_AntennaPorts = 1;
#pusch_TargetSNRx10 = 200;
#pucch_TargetSNRx10 = 200;
pusch_TargetSNRx10 = 200; pusch_TargetSNRx10 = 200;
pucch_TargetSNRx10 = 200; pucch_TargetSNRx10 = 200;
@@ -103,7 +105,8 @@ gNBs =
prach_msg1_FrequencyStart = 74; prach_msg1_FrequencyStart = 74;
zeroCorrelationZoneConfig = 13; zeroCorrelationZoneConfig = 13;
#preambleReceivedTargetPower = -118; #preambleReceivedTargetPower = -118;
preambleReceivedTargetPower = -104; #preambleReceivedTargetPower = -104;
preambleReceivedTargetPower = -108;
#preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200) #preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200)
preambleTransMax = 6; preambleTransMax = 6;
#powerRampingStep #powerRampingStep
@@ -149,14 +152,16 @@ gNBs =
initialULBWPstartSymbolAndLength_2 = 52; initialULBWPstartSymbolAndLength_2 = 52;
msg3_DeltaPreamble = 1; msg3_DeltaPreamble = 1;
p0_NominalWithGrant =-90; #p0_NominalWithGrant =-90;
p0_NominalWithGrant =-108;
# pucch-ConfigCommon setup : # pucch-ConfigCommon setup :
# pucchGroupHopping # pucchGroupHopping
# 0 = neither, 1= group hopping, 2=sequence hopping # 0 = neither, 1= group hopping, 2=sequence hopping
pucchGroupHopping = 0; pucchGroupHopping = 0;
hoppingId = 40; hoppingId = 40;
p0_nominal = -90; #p0_nominal = -90;
p0_nominal = -108;
# ssb_PositionsInBurs_BitmapPR # ssb_PositionsInBurs_BitmapPR
# 1=short, 2=medium, 3=long # 1=short, 2=medium, 3=long
ssb_PositionsInBurst_PR = 2; ssb_PositionsInBurst_PR = 2;
@@ -189,7 +194,7 @@ gNBs =
nrofUplinkSymbols = 4; //0; //4; nrofUplinkSymbols = 4; //0; //4;
#ssPBCH_BlockPower = 10; #ssPBCH_BlockPower = 10;
ssPBCH_BlockPower = 10; ssPBCH_BlockPower = -25;
} }
); );