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OpenXG-RAN
Commit 819a5a49 authored by masayuki.harada's avatar masayuki.harada Committed by Haruki NAOI
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Replace from dB_fixed_times10 function to dB_fixed_x10. 

(cherry picked from commit de93d8f0aa9e6d7380bd159901a41aa36f257298)

# Conflicts:
#	openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c
#	openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c
parent eb94ab88
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Showing with 327 additions and 10 deletions
openair1/PHY/LTE_TRANSPORT/prach.c
View file @ 819a5a49
......@@ -677,7 +677,7 @@ void rx_prach0(PHY_VARS_eNB *eNB,
for (i=0; i<NCS2; i++) {
lev = (int32_t)prach_ifft[(preamble_shift2+i)];
avg_en += lev;
levdB = dB_fixed_times10(lev);
levdB = dB_fixed_x10(lev);
if (levdB>*max_preamble_energy) {
*max_preamble_energy = levdB;
......
openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c
View file @ 819a5a49
......@@ -1220,7 +1220,7 @@ void rx_ulsch(PHY_VARS_eNB *eNB,
if(pusch_vars->ulsch_interference_power[i]<1)pusch_vars->ulsch_interference_power[i] = 1;
}
LOG_D(PHY,"%4.4d.%d power harq_pid %d rb %2.2d TBS %2.2d (MPR_times_Ks %d correction %d) power %d dBtimes10\n", proc->frame_rx, proc->subframe_rx, harq_pid, ulsch[UE_id]->harq_processes[harq_pid]->nb_rb, ulsch[UE_id]->harq_processes[harq_pid]->TBS,MPR_times_100Ks,correction_factor,dB_fixed_times10(pusch_vars->ulsch_power[i]));
LOG_D(PHY,"%4.4d.%d power harq_pid %d rb %2.2d TBS %2.2d (MPR_times_Ks %d correction %d) power %d dBtimes10\n", proc->frame_rx, proc->subframe_rx, harq_pid, ulsch[UE_id]->harq_processes[harq_pid]->nb_rb, ulsch[UE_id]->harq_processes[harq_pid]->TBS,MPR_times_100Ks,correction_factor,dB_fixed_x10(pusch_vars->ulsch_power[i]));
}
......
openair1/PHY/TOOLS/dB_routines.c
View file @ 819a5a49
......@@ -540,6 +540,289 @@ int16_t dB_table_times10[256] = {
240,
240
};
uint32_t bit_seach_mask[32] = {
0x80000000, 0x40000000, 0x20000000, 0x10000000,
0x08000000, 0x04000000, 0x02000000, 0x01000000,
0x00800000, 0x00400000, 0x00200000, 0x00100000,
0x00080000, 0x00040000, 0x00020000, 0x00010000,
0x00008000, 0x00004000, 0x00002000, 0x00001000,
0x00000800, 0x00000400, 0x00000200, 0x00000100,
0x00000080, 0x00000040, 0x00000020, 0x00000010,
0x00000008, 0x00000004, 0x00000002, 0x00000001
};
uint32_t bit_seach_res[32] = {
31, 30, 29, 28,
27, 26, 25, 24,
23, 22, 21, 20,
19, 18, 17, 16,
15, 14, 13, 12,
11, 10, 9, 8,
7, 6, 5, 4,
3, 2, 1, 0
};
uint32_t dB_fix_x10_tbl[128] = {
0 ,
0 ,
1 ,
1 ,
1 ,
2 ,
2 ,
2 ,
3 ,
3 ,
3 ,
4 ,
4 ,
4 ,
5 ,
5 ,
5 ,
5 ,
6 ,
6 ,
6 ,
7 ,
7 ,
7 ,
7 ,
8 ,
8 ,
8 ,
9 ,
9 ,
9 ,
9 ,
10 ,
10 ,
10 ,
10 ,
11 ,
11 ,
11 ,
12 ,
12 ,
12 ,
12 ,
13 ,
13 ,
13 ,
13 ,
14 ,
14 ,
14 ,
14 ,
15 ,
15 ,
15 ,
15 ,
16 ,
16 ,
16 ,
16 ,
16 ,
17 ,
17 ,
17 ,
17 ,
18 ,
18 ,
18 ,
18 ,
19 ,
19 ,
19 ,
19 ,
19 ,
20 ,
20 ,
20 ,
20 ,
20 ,
21 ,
21 ,
21 ,
21 ,
22 ,
22 ,
22 ,
22 ,
22 ,
23 ,
23 ,
23 ,
23 ,
23 ,
24 ,
24 ,
24 ,
24 ,
24 ,
24 ,
25 ,
25 ,
25 ,
25 ,
25 ,
26 ,
26 ,
26 ,
26 ,
26 ,
27 ,
27 ,
27 ,
27 ,
27 ,
27 ,
28 ,
28 ,
28 ,
28 ,
28 ,
29 ,
29 ,
29 ,
29 ,
29 ,
29 ,
30 ,
30 ,
30
};
uint32_t dB_fix_x10_tbl_low[128] = {
0 ,
0 ,
30 ,
48 ,
60 ,
70 ,
78 ,
85 ,
90 ,
95 ,
100 ,
104 ,
108 ,
111 ,
115 ,
118 ,
120 ,
123 ,
126 ,
128 ,
130 ,
132 ,
134 ,
136 ,
138 ,
140 ,
141 ,
143 ,
145 ,
146 ,
148 ,
149 ,
151 ,
152 ,
153 ,
154 ,
156 ,
157 ,
158 ,
159 ,
160 ,
161 ,
162 ,
163 ,
164 ,
165 ,
166 ,
167 ,
168 ,
169 ,
170 ,
171 ,
172 ,
172 ,
173 ,
174 ,
175 ,
176 ,
176 ,
177 ,
178 ,
179 ,
179 ,
180 ,
181 ,
181 ,
182 ,
183 ,
183 ,
184 ,
185 ,
185 ,
186 ,
186 ,
187 ,
188 ,
188 ,
189 ,
189 ,
190 ,
190 ,
191 ,
191 ,
192 ,
192 ,
193 ,
193 ,
194 ,
194 ,
195 ,
195 ,
196 ,
196 ,
197 ,
197 ,
198 ,
198 ,
199 ,
199 ,
200 ,
200 ,
200 ,
201 ,
201 ,
202 ,
202 ,
203 ,
203 ,
203 ,
204 ,
204 ,
205 ,
205 ,
205 ,
206 ,
206 ,
206 ,
207 ,
207 ,
208 ,
208 ,
208 ,
209 ,
209 ,
209 ,
210 ,
210 ,
210
};
/*
int8_t dB_fixed(int x) {
......@@ -571,6 +854,38 @@ int8_t dB_fixed(int x) {
}
*/
int16_t dB_fixed_x10(uint32_t x) {
int16_t dB_power = 0;
//for new algorithm
uint32_t cnt;
uint32_t Exponent;
uint32_t Mantissa;
uint32_t shift_right;
uint32_t tbl_resolution = 7;
uint32_t tbl_addr_mask;
if (x < 128){ //OAI alogrithm
dB_power = dB_fix_x10_tbl_low[x];
}
else { //new algorithm
tbl_addr_mask = 0x0000007Fu; // (1 << tbl_resolution) - 1;//i.e. 0x0000007F
Mantissa = 0;
Exponent = 0;
for (cnt = 0; cnt < 32; cnt++) {
if ((bit_seach_mask[cnt] & x) != 0) {
Exponent = bit_seach_res[cnt];
Mantissa = x & (~bit_seach_mask[cnt]);
break;
}
}
shift_right = Exponent - tbl_resolution;
Mantissa = (Mantissa >> shift_right) & tbl_addr_mask;
dB_power = dB_fix_x10_tbl[Mantissa] + Exponent * 30u;
}
return dB_power;
}
int16_t dB_fixed_times10(uint32_t x)
{
int16_t dB_power=0;
......
openair1/PHY/TOOLS/dB_routines.h
View file @ 819a5a49
......@@ -30,5 +30,6 @@
#define DB_ROUTINES_H_
int16_t dB_fixed_times10(uint32_t x);
int16_t dB_fixed_x10(uint32_t x);
#endif /* DB_ROUTINES_H_ */
openair1/PHY/TOOLS/tools_defs.h
View file @ 819a5a49
......@@ -344,6 +344,7 @@ uint8_t dB_fixed64(uint64_t x);
int8_t dB_fixed2(uint32_t x,uint32_t y);
int16_t dB_fixed_times10(uint32_t x);
int16_t dB_fixed_x10(uint32_t x);
int32_t phy_phase_compensation_top (uint32_t pilot_type, uint32_t initial_pilot,
uint32_t last_pilot, int32_t ignore_prefix);
......
openair1/SCHED/phy_procedures_lte_common.c
View file @ 819a5a49
......@@ -1368,7 +1368,7 @@ int16_t estimate_ue_tx_power(uint32_t tbs, uint32_t nb_rb, uint8_t control_only,
//(beta_offset_pusch_x8=ue->ulsch[eNB_id]->harq_processes[harq_pid]->control_only == 1) ? ue->ulsch[eNB_id]->beta_offset_cqi_times8:8;
// if deltamcs_enabledm
delta_mcs = ((hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_times10((beta_offset_pusch_x8)>>3))/100.0);
delta_mcs = ((hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_x10((beta_offset_pusch_x8)>>3))/100.0);
bw_factor = (hundred_times_log10_NPRB[nb_rb-1]/100.0);
#ifdef DEBUG_SEGMENTATION
printf("estimated ue tx power %d (num_re %d, sumKr %d, mpr_x100 %d, delta_mcs %f, bw_factor %f)\n",
......
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ 819a5a49
......@@ -92,9 +92,9 @@ int16_t get_hundred_times_delta_IF_eNB(PHY_VARS_eNB *eNB,uint16_t UE_id,uint8_t
// This is the formula from Section 5.1.1.1 in 36.213 10*log10(deltaIF_PUSCH = (2^(MPR*Ks)-1)*beta_offset_pusch)
if (bw_factor == 1) {
uint8_t nb_rb = eNB->ulsch[UE_id]->harq_processes[harq_pid]->nb_rb;
return(hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_times10((beta_offset_pusch)>>3)) + hundred_times_log10_NPRB[nb_rb-1];
return(hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_x10((beta_offset_pusch)>>3)) + hundred_times_log10_NPRB[nb_rb-1];
} else
return(hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_times10((beta_offset_pusch)>>3));
return(hundred_times_delta_TF[MPR_x100/6]+10*dB_fixed_x10((beta_offset_pusch)>>3));
} else {
return(0);
}
......@@ -602,7 +602,7 @@ void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe,u
// pdu->rx_ue_information.handle = handle;
pdu->rx_ue_information.tl.tag = NFAPI_RX_UE_INFORMATION_TAG;
pdu->rx_ue_information.rnti = rnti;
int SNRtimes10 = dB_fixed_times10(stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
int SNRtimes10 = dB_fixed_x10(stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
pdu->ul_cqi_information.tl.tag = NFAPI_UL_CQI_INFORMATION_TAG;
if (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
......@@ -1505,9 +1505,9 @@ void fill_rx_indication(PHY_VARS_eNB *eNB,int UE_id,int frame,int subframe) {
pdu->rx_indication_rel8.timing_advance = timing_advance_update;
// estimate UL_CQI for MAC (from antenna port 0 only)
int SNRtimes10 = dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0]) - dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_interference_power[0]);
int SNRtimes10 = dB_fixed_x10(eNB->pusch_vars[UE_id]->ulsch_power[0]) - dB_fixed_x10(eNB->pusch_vars[UE_id]->ulsch_interference_power[0]);
if(dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0]) > eNB->pusch_signal_threshold) {
if(dB_fixed_x10(eNB->pusch_vars[UE_id]->ulsch_power[0]) > eNB->pusch_signal_threshold) {
SNRtimes10 = 300;
}
......@@ -1519,7 +1519,7 @@ void fill_rx_indication(PHY_VARS_eNB *eNB,int UE_id,int frame,int subframe) {
pdu->rx_indication_rel8.ul_cqi = (640 + SNRtimes10) / 5;
LOG_D(PHY,"[PUSCH %d] Frame %d Subframe %d Filling RX_indication with SNR %d (%d) signal %d noise %d, timing_advance %d (update %d)\n",
harq_pid,frame,subframe,SNRtimes10,pdu->rx_indication_rel8.ul_cqi,dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0]),dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_interference_power[0]),pdu->rx_indication_rel8.timing_advance,
harq_pid,frame,subframe,SNRtimes10,pdu->rx_indication_rel8.ul_cqi,dB_fixed_x10(eNB->pusch_vars[UE_id]->ulsch_power[0]),dB_fixed_x10(eNB->pusch_vars[UE_id]->ulsch_interference_power[0]),pdu->rx_indication_rel8.timing_advance,
timing_advance_update);
eNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus++;
eNB->UL_INFO.rx_ind.sfn_sf = frame<<4 | subframe;
......@@ -1837,7 +1837,7 @@ void fill_uci_harq_indication (PHY_VARS_eNB *eNB, LTE_eNB_UCI *uci, int frame, i
pdu->rx_ue_information.rnti = uci->rnti;
// estimate UL_CQI for MAC (from antenna port 0 only)
pdu->ul_cqi_information.tl.tag = NFAPI_UL_CQI_INFORMATION_TAG;
int SNRtimes10 = dB_fixed_times10(uci->stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
int SNRtimes10 = dB_fixed_x10(uci->stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
if (SNRtimes10 < -100)
LOG_I (PHY, "uci->stat %d \n", uci->stat);
......
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