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Commit f329139f authored by Raymond Knopp's avatar Raymond Knopp
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minor cleanup in ulsch_decoding.c. Some modifications to comments in impl_defs_lte.h.

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openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+ 67
− 75
View file @ f329139f
......@@ -127,7 +127,7 @@ LTE_eNB_ULSCH_t *new_eNB_ulsch(uint8_t max_turbo_iterations,uint8_t N_RB_UL, uin
ulsch->Mlimit = 4;
for (i=0; i<8; i++) {
// msg("new_ue_ulsch: Harq process %d\n",i);
// printf("new_ue_ulsch: Harq process %d\n",i);
ulsch->harq_processes[i] = (LTE_UL_eNB_HARQ_t *)malloc16(sizeof(LTE_UL_eNB_HARQ_t));
if (ulsch->harq_processes[i]) {
......@@ -202,11 +202,11 @@ uint8_t extract_cqi_crc(uint8_t *cqi,uint8_t CQI_LENGTH)
uint8_t crc;
crc = cqi[CQI_LENGTH>>3];
// msg("crc1: %x, shift %d\n",crc,CQI_LENGTH&0x7);
// printf("crc1: %x, shift %d\n",crc,CQI_LENGTH&0x7);
crc = (crc<<(CQI_LENGTH&0x7));
// clear crc bits
// ((char *)cqi)[CQI_LENGTH>>3] &= 0xff>>(8-(CQI_LENGTH&0x7));
// msg("crc2: %x, cqi0 %x\n",crc,cqi[1+(CQI_LENGTH>>3)]);
// printf("crc2: %x, cqi0 %x\n",crc,cqi[1+(CQI_LENGTH>>3)]);
crc |= (cqi[1+(CQI_LENGTH>>3)])>>(8-(CQI_LENGTH&0x7));
// clear crc bits
//(((char *)cqi)[1+(CQI_LENGTH>>3)]) = 0;
......@@ -258,7 +258,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
// uint8_t ytag2[6*14*1200],*ytag2_ptr;
int16_t cseq[6*14*1200];
int off;
int status[20];
int subframe = proc->subframe_rx;
LTE_UL_eNB_HARQ_t *ulsch_harq;
......@@ -312,7 +312,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
#ifdef DEBUG_ULSCH_DECODING
msg("ulsch_decoding (Nid_cell %d, rnti %x, x2 %x): round %d, RV %d, mcs %d, O_RI %d, O_ACK %d, G %d, subframe %d\n",
printf("ulsch_decoding (Nid_cell %d, rnti %x, x2 %x): round %d, RV %d, mcs %d, O_RI %d, O_ACK %d, G %d, subframe %d\n",
frame_parms->Nid_cell,ulsch->rnti,x2,
ulsch_harq->round,
ulsch_harq->rvidx,
......@@ -401,7 +401,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
// Q_ACK = Qprime * Q_m;
Qprime_ACK = Qprime;
#ifdef DEBUG_ULSCH_DECODING
msg("ulsch_decoding.c: Qprime_ACK %d, Msc_initial %d, Nsymb_initial %d, sumKr %d\n",
printf("ulsch_decoding.c: Qprime_ACK %d, Msc_initial %d, Nsymb_initial %d, sumKr %d\n",
Qprime_ACK,ulsch_harq->Msc_initial,ulsch_harq->Nsymb_initial,sumKr);
#endif
......@@ -430,7 +430,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
Q_CQI = Q_m * Qprime;
#ifdef DEBUG_ULSCH_DECODING
msg("ulsch_decoding: G %d, Q_RI %d, Q_CQI %d (L %d, Or1 %d) O_ACK %d\n",G,Q_RI,Q_CQI,L,ulsch_harq->Or1,ulsch_harq->O_ACK);
printf("ulsch_decoding: G %d, Q_RI %d, Q_CQI %d (L %d, Or1 %d) O_ACK %d\n",G,Q_RI,Q_CQI,L,ulsch_harq->Or1,ulsch_harq->O_ACK);
#endif
G = G - Q_RI - Q_CQI;
......@@ -531,7 +531,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
}
#ifdef DEBUG_ULSCH_DECODING
msg("ulsch_decoding.c: ACK i %d, r %d, j %d, ColumnSet[j] %d\n",i,r,j,columnset[j]);
printf("ulsch_decoding.c: ACK i %d, r %d, j %d, ColumnSet[j] %d\n",i,r,j,columnset[j]);
#endif
j=(j+3)&3;
}
......@@ -964,15 +964,15 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
}
#ifdef DEBUG_ULSCH_DECODING
msg("ulsch_decoding: Or1=%d\n",ulsch_harq->Or1);
printf("ulsch_decoding: Or1=%d\n",ulsch_harq->Or1);
for (i=0; i<1+((8+ulsch_harq->Or1)/8); i++)
msg("ulsch_decoding: O[%d] %d\n",i,ulsch_harq->o[i]);
printf("ulsch_decoding: O[%d] %d\n",i,ulsch_harq->o[i]);
if (ulsch_harq->cqi_crc_status == 1)
msg("RX CQI CRC OK (%x)\n",extract_cqi_crc(o_flip,ulsch_harq->Or1));
printf("RX CQI CRC OK (%x)\n",extract_cqi_crc(o_flip,ulsch_harq->Or1));
else
msg("RX CQI CRC NOT OK (%x)\n",extract_cqi_crc(o_flip,ulsch_harq->Or1));
printf("RX CQI CRC NOT OK (%x)\n",extract_cqi_crc(o_flip,ulsch_harq->Or1));
#endif
}
......@@ -985,6 +985,10 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
r_offset = 0;
offset = 0;
ret = 1;
for (r=0; r<ulsch_harq->C; r++) {
// printf("before subblock deinterleaving c[%d] = %p\n",r,ulsch_harq->c[r]);
......@@ -1010,7 +1014,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
}
#ifdef DEBUG_ULSCH_DECODING
msg("f1 %d, f2 %d, F %d\n",f1f2mat_old[2*iind],f1f2mat_old[1+(2*iind)],(r==0) ? ulsch_harq->F : 0);
printf("f1 %d, f2 %d, F %d\n",f1f2mat_old[2*iind],f1f2mat_old[1+(2*iind)],(r==0) ? ulsch_harq->F : 0);
#endif
memset(&dummy_w[r][0],0,3*(6144+64)*sizeof(short));
......@@ -1019,7 +1023,7 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
(r==0) ? ulsch_harq->F : 0);
#ifdef DEBUG_ULSCH_DECODING
msg("Rate Matching Segment %d (coded bits (G) %d,unpunctured/repeated bits %d, Q_m %d, nb_rb %d, Nl %d)...\n",
printf("Rate Matching Segment %d (coded bits (G) %d,unpunctured/repeated bits %d, Q_m %d, nb_rb %d, Nl %d)...\n",
r, G,
Kr*3,
Q_m,
......@@ -1056,75 +1060,63 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
&ulsch_harq->d[r][96],
ulsch_harq->w[r]);
stop_meas(&eNB->ulsch_deinterleaving_stats);
}
for (r=0; r<ulsch_harq->C; r++) {
/* printf("c[%d] : %p\n",r,
ulsch_harq->c[r]);
*/
if (ulsch_harq->C == 1)
crc_type = CRC24_A;
else
crc_type = CRC24_B;
start_meas(&eNB->ulsch_turbo_decoding_stats);
ret = tc(&ulsch_harq->d[r][96],
ulsch_harq->c[r],
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
ulsch->max_turbo_iterations,//MAX_TURBO_ITERATIONS,
crc_type,
(r==0) ? ulsch_harq->F : 0,
&eNB->ulsch_tc_init_stats,
&eNB->ulsch_tc_alpha_stats,
&eNB->ulsch_tc_beta_stats,
&eNB->ulsch_tc_gamma_stats,
&eNB->ulsch_tc_ext_stats,
&eNB->ulsch_tc_intl1_stats,
&eNB->ulsch_tc_intl2_stats);
stop_meas(&eNB->ulsch_turbo_decoding_stats);
status[r] = ret;
if (ulsch_harq->C == 1)
crc_type = CRC24_A;
else
crc_type = CRC24_B;
start_meas(&eNB->ulsch_turbo_decoding_stats);
ret = tc(&ulsch_harq->d[r][96],
ulsch_harq->c[r],
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
ulsch->max_turbo_iterations,//MAX_TURBO_ITERATIONS,
crc_type,
(r==0) ? ulsch_harq->F : 0,
&eNB->ulsch_tc_init_stats,
&eNB->ulsch_tc_alpha_stats,
&eNB->ulsch_tc_beta_stats,
&eNB->ulsch_tc_gamma_stats,
&eNB->ulsch_tc_ext_stats,
&eNB->ulsch_tc_intl1_stats,
&eNB->ulsch_tc_intl2_stats);
stop_meas(&eNB->ulsch_turbo_decoding_stats);
}
// Reassembly of Transport block here
offset = 0;
ret = 1;
for (r=0; r<ulsch_harq->C; r++) {
if (status[r] != (1+ulsch->max_turbo_iterations)) {
if (ret != (1+ulsch->max_turbo_iterations)) {
if (r<ulsch_harq->Cminus)
Kr = ulsch_harq->Kminus;
Kr = ulsch_harq->Kminus;
else
Kr = ulsch_harq->Kplus;
Kr = ulsch_harq->Kplus;
Kr_bytes = Kr>>3;
if (r==0) {
memcpy(ulsch_harq->b,
&ulsch_harq->c[0][(ulsch_harq->F>>3)],
Kr_bytes - (ulsch_harq->F>>3) - ((ulsch_harq->C>1)?3:0));
offset = Kr_bytes - (ulsch_harq->F>>3) - ((ulsch_harq->C>1)?3:0);
memcpy(ulsch_harq->b,
&ulsch_harq->c[0][(ulsch_harq->F>>3)],
Kr_bytes - (ulsch_harq->F>>3) - ((ulsch_harq->C>1)?3:0));
offset = Kr_bytes - (ulsch_harq->F>>3) - ((ulsch_harq->C>1)?3:0);
} else {
memcpy(ulsch_harq->b+offset,
ulsch_harq->c[r],
Kr_bytes - ((ulsch_harq->C>1)?3:0));
offset += (Kr_bytes- ((ulsch_harq->C>1)?3:0));
memcpy(ulsch_harq->b+offset,
ulsch_harq->c[r],
Kr_bytes - ((ulsch_harq->C>1)?3:0));
offset += (Kr_bytes- ((ulsch_harq->C>1)?3:0));
}
if (ret != (1+ulsch->max_turbo_iterations))
ret = status[r];
} else {
ret = 1+ulsch->max_turbo_iterations;
break;
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_ULSCH_DECODING0+harq_pid,0);
......@@ -1208,7 +1200,7 @@ int ulsch_abstraction_MIESM(double* sinr_dB,uint8_t TM, uint8_t mcs,uint16_t nrb
sinr_db1 = sinr_dB[offset*2];
sinr_db2 = sinr_dB[offset*2+1];
msg("sinr_db1=%f\n,sinr_db2=%f\n",sinr_db1,sinr_db2);
printf("sinr_db1=%f\n,sinr_db2=%f\n",sinr_db1,sinr_db2);
//rounding up for the table lookup
sinr_db1 *= 10;
......@@ -1462,7 +1454,7 @@ int ulsch_abstraction_MIESM(double* sinr_dB,uint8_t TM, uint8_t mcs,uint16_t nrb
sinr_eff = sinr_eff * beta2_dlsch_MI[TM][mcs];
}
msg("SINR_Eff = %e\n",sinr_eff);
printf("SINR_Eff = %e\n",sinr_eff);
sinr_eff *= 10;
sinr_eff = floor(sinr_eff);
......@@ -1470,7 +1462,7 @@ int ulsch_abstraction_MIESM(double* sinr_dB,uint8_t TM, uint8_t mcs,uint16_t nrb
// sinr_eff += 1;
// }
sinr_eff /= 10;
msg("sinr_eff after rounding = %f\n",sinr_eff);
printf("sinr_eff after rounding = %f\n",sinr_eff);
for (index = 0; index < 16; index++) {
if(index == 0) {
......@@ -1488,10 +1480,10 @@ int ulsch_abstraction_MIESM(double* sinr_dB,uint8_t TM, uint8_t mcs,uint16_t nrb
#ifdef USER_MODE // need to be adapted for the emulation in the kernel space
if (uniformrandom() < bler) {
msg("abstraction_decoding failed (mcs=%d, sinr_eff=%f, bler=%f)\n",mcs,sinr_eff,bler);
printf("abstraction_decoding failed (mcs=%d, sinr_eff=%f, bler=%f)\n",mcs,sinr_eff,bler);
return(0);
} else {
msg("abstraction_decoding successful (mcs=%d, sinr_eff=%f, bler=%f)\n",mcs,sinr_eff,bler);
printf("abstraction_decoding successful (mcs=%d, sinr_eff=%f, bler=%f)\n",mcs,sinr_eff,bler);
return(1);
}
......
openair1/PHY/impl_defs_lte.h
+ 16
− 16
View file @ f329139f
......@@ -607,34 +607,34 @@ typedef struct {
int32_t **txdataF[3];
/// \brief Holds the received data in time domain.
/// Should point to the same memory as PHY_vars->rx_vars[a].RX_DMA_BUFFER.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna [0..nb_antennas_rx[
/// - third index: sample [0..]
int32_t **rxdata[3];
/// \brief Holds the last subframe of received data in time domain after removal of 7.5kHz frequency offset.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: secotr id [0..2] (hard coded)
/// - second index: rx antenna [0..nb_antennas_rx[
/// - third index: sample [0..samples_per_tti[
int32_t **rxdata_7_5kHz[3];
/// \brief Holds the received data in the frequency domain.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna [0..nb_antennas_rx[
/// - third index: ? [0..2*ofdm_symbol_size*frame_parms->symbols_per_tti[
int32_t **rxdataF[3];
/// \brief Holds output of the sync correlator.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: sample [0..samples_per_tti*10[
uint32_t *sync_corr[3];
} LTE_eNB_COMMON;
typedef struct {
/// \brief Hold the channel estimates in frequency domain based on SRS.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..ofdm_symbol_size[
int32_t **srs_ch_estimates[3];
/// \brief Hold the channel estimates in time domain based on SRS.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..2*ofdm_symbol_size[
int32_t **srs_ch_estimates_time[3];
......@@ -645,54 +645,54 @@ typedef struct {
typedef struct {
/// \brief Holds the received data in the frequency domain for the allocated RBs in repeated format.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..2*ofdm_symbol_size[
/// - third index (definition from phy_init_lte_eNB()): ? [0..24*N_RB_UL*frame_parms->symbols_per_tti[
/// \warning inconsistent third index definition
int32_t **rxdataF_ext[3];
/// \brief Holds the received data in the frequency domain for the allocated RBs in normal format.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index (definition from phy_init_lte_eNB()): ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_ext2[3];
/// \brief Hold the channel estimates in time domain based on DRS.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..4*ofdm_symbol_size[
int32_t **drs_ch_estimates_time[3];
/// \brief Hold the channel estimates in frequency domain based on DRS.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **drs_ch_estimates[3];
/// \brief Hold the channel estimates for UE0 in case of Distributed Alamouti Scheme.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **drs_ch_estimates_0[3];
/// \brief Hold the channel estimates for UE1 in case of Distributed Almouti Scheme.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **drs_ch_estimates_1[3];
/// \brief Holds the compensated signal.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_comp[3];
/// \brief Hold the compensated data (y)*(h0*) in case of Distributed Alamouti Scheme.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_comp_0[3];
/// \brief Hold the compensated data (y*)*(h1) in case of Distributed Alamouti Scheme.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **rxdataF_comp_1[3];
/// \brief ?.
/// - first index: eNB id [0..2] (hard coded)
/// - first index: sector id [0..2] (hard coded)
/// - second index: rx antenna id [0..nb_antennas_rx[
/// - third index: ? [0..12*N_RB_UL*frame_parms->symbols_per_tti[
int32_t **ul_ch_mag[3];
......
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