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Commit 9f699a8b authored by Florian Kaltenberger's avatar Florian Kaltenberger
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deleting some duplicate files

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openair1/PHY/LTE_TRANSPORT/dlsch_decoding.c deleted 100644 → 0
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/dlsch_decoding.c
* \brief Top-level routines for decoding Turbo-coded (DLSCH) transport channels from 36-212, V8.6 2009-03
* \author R. Knopp
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
//#include "defs.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "PHY/CODING/extern.h"
#include "SCHED/extern.h"
#include "SIMULATION/TOOLS/defs.h"
//#define DEBUG_DLSCH_DECODING
//#define UE_DEBUG_TRACE 1
void free_ue_dlsch(LTE_UE_DLSCH_t *dlsch)
{
int i,r;
if (dlsch) {
for (i=0; i<dlsch->Mdlharq; i++) {
if (dlsch->harq_processes[i]) {
if (dlsch->harq_processes[i]->b) {
free16(dlsch->harq_processes[i]->b,MAX_DLSCH_PAYLOAD_BYTES);
dlsch->harq_processes[i]->b = NULL;
}
for (r=0; r<MAX_NUM_DLSCH_SEGMENTS; r++) {
free16(dlsch->harq_processes[i]->c[r],((r==0)?8:0) + 3+768);
dlsch->harq_processes[i]->c[r] = NULL;
}
for (r=0; r<MAX_NUM_DLSCH_SEGMENTS; r++)
if (dlsch->harq_processes[i]->d[r]) {
free16(dlsch->harq_processes[i]->d[r],((3*8*6144)+12+96)*sizeof(short));
dlsch->harq_processes[i]->d[r] = NULL;
}
free16(dlsch->harq_processes[i],sizeof(LTE_DL_UE_HARQ_t));
dlsch->harq_processes[i] = NULL;
}
}
free16(dlsch,sizeof(LTE_UE_DLSCH_t));
dlsch = NULL;
}
}
LTE_UE_DLSCH_t *new_ue_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint32_t Nsoft,uint8_t max_turbo_iterations,uint8_t N_RB_DL, uint8_t abstraction_flag)
{
LTE_UE_DLSCH_t *dlsch;
uint8_t exit_flag = 0,i,r;
unsigned char bw_scaling =1;
switch (N_RB_DL) {
case 6:
bw_scaling =16;
break;
case 25:
bw_scaling =4;
break;
case 50:
bw_scaling =2;
break;
default:
bw_scaling =1;
break;
}
dlsch = (LTE_UE_DLSCH_t *)malloc16(sizeof(LTE_UE_DLSCH_t));
if (dlsch) {
memset(dlsch,0,sizeof(LTE_UE_DLSCH_t));
dlsch->Kmimo = Kmimo;
dlsch->Mdlharq = Mdlharq;
dlsch->Nsoft = Nsoft;
dlsch->max_turbo_iterations = max_turbo_iterations;
for (i=0; i<Mdlharq; i++) {
// printf("new_ue_dlsch: Harq process %d\n",i);
dlsch->harq_processes[i] = (LTE_DL_UE_HARQ_t *)malloc16(sizeof(LTE_DL_UE_HARQ_t));
if (dlsch->harq_processes[i]) {
memset(dlsch->harq_processes[i],0,sizeof(LTE_DL_UE_HARQ_t));
dlsch->harq_processes[i]->first_tx=1;
dlsch->harq_processes[i]->b = (uint8_t*)malloc16(MAX_DLSCH_PAYLOAD_BYTES/bw_scaling);
if (dlsch->harq_processes[i]->b)
memset(dlsch->harq_processes[i]->b,0,MAX_DLSCH_PAYLOAD_BYTES/bw_scaling);
else
exit_flag=3;
if (abstraction_flag == 0) {
for (r=0; r<MAX_NUM_DLSCH_SEGMENTS/bw_scaling; r++) {
dlsch->harq_processes[i]->c[r] = (uint8_t*)malloc16(((r==0)?8:0) + 3+ 768);
if (dlsch->harq_processes[i]->c[r])
memset(dlsch->harq_processes[i]->c[r],0,((r==0)?8:0) + 3+ 768);
else
exit_flag=2;
dlsch->harq_processes[i]->d[r] = (short*)malloc16(((3*8*6144)+12+96)*sizeof(short));
if (dlsch->harq_processes[i]->d[r])
memset(dlsch->harq_processes[i]->d[r],0,((3*8*6144)+12+96)*sizeof(short));
else
exit_flag=2;
}
}
} else {
exit_flag=1;
}
}
if (exit_flag==0)
return(dlsch);
}
printf("new_ue_dlsch with size %zu: exit_flag = %u\n",sizeof(LTE_DL_UE_HARQ_t), exit_flag);
free_ue_dlsch(dlsch);
return(NULL);
}
uint32_t dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
short *dlsch_llr,
LTE_DL_FRAME_PARMS *frame_parms,
LTE_UE_DLSCH_t *dlsch,
LTE_DL_UE_HARQ_t *harq_process,
uint32_t frame,
uint8_t subframe,
uint8_t harq_pid,
uint8_t is_crnti,
uint8_t llr8_flag)
{
#if UE_TIMING_TRACE
time_stats_t *dlsch_rate_unmatching_stats=&phy_vars_ue->dlsch_rate_unmatching_stats;
time_stats_t *dlsch_turbo_decoding_stats=&phy_vars_ue->dlsch_turbo_decoding_stats;
time_stats_t *dlsch_deinterleaving_stats=&phy_vars_ue->dlsch_deinterleaving_stats;
#endif
uint32_t A,E;
uint32_t G;
uint32_t ret,offset;
uint16_t iind;
// uint8_t dummy_channel_output[(3*8*block_length)+12];
short dummy_w[MAX_NUM_DLSCH_SEGMENTS][3*(6144+64)];
uint32_t r,r_offset=0,Kr,Kr_bytes,err_flag=0;
uint8_t crc_type;
#ifdef DEBUG_DLSCH_DECODING
uint16_t i;
#endif
//#ifdef __AVX2__
#if 0
int Kr_last,skipped_last=0;
uint8_t (*tc_2cw)(int16_t *y,
int16_t *y2,
uint8_t *,
uint8_t *,
uint16_t,
uint16_t,
uint16_t,
uint8_t,
uint8_t,
uint8_t,
time_stats_t *,
time_stats_t *,
time_stats_t *,
time_stats_t *,
time_stats_t *,
time_stats_t *,
time_stats_t *);
#endif
decoder_if_t tc;
if (!dlsch_llr) {
printf("dlsch_decoding.c: NULL dlsch_llr pointer\n");
return(dlsch->max_turbo_iterations);
}
if (!harq_process) {
printf("dlsch_decoding.c: NULL harq_process pointer\n");
return(dlsch->max_turbo_iterations);
}
if (!frame_parms) {
printf("dlsch_decoding.c: NULL frame_parms pointer\n");
return(dlsch->max_turbo_iterations);
}
if (subframe>9) {
printf("dlsch_decoding.c: Illegal subframe index %d\n",subframe);
return(dlsch->max_turbo_iterations);
}
if (dlsch->harq_ack[subframe].ack != 2) {
LOG_D(PHY, "[UE %d] DLSCH @ SF%d : ACK bit is %d instead of DTX even before PDSCH is decoded!\n",
phy_vars_ue->Mod_id, subframe, dlsch->harq_ack[subframe].ack);
}
if (llr8_flag == 0) {
//#ifdef __AVX2__
#if 0
tc_2cw = phy_threegpplte_turbo_decoder16avx2;
#endif
tc = decoder16;
}
else
{
AssertFatal (harq_process->TBS >= 256 , "Mismatch flag nbRB=%d TBS=%d mcs=%d Qm=%d RIV=%d round=%d \n",
harq_process->nb_rb, harq_process->TBS,harq_process->mcs,harq_process->Qm,harq_process->rvidx,harq_process->round);
tc = decoder8;
}
// nb_rb = dlsch->nb_rb;
/*
if (nb_rb > frame_parms->N_RB_DL) {
printf("dlsch_decoding.c: Illegal nb_rb %d\n",nb_rb);
return(max_turbo_iterations);
}*/
/*harq_pid = dlsch->current_harq_pid[phy_vars_ue->current_thread_id[subframe]];
if (harq_pid >= 8) {
printf("dlsch_decoding.c: Illegal harq_pid %d\n",harq_pid);
return(max_turbo_iterations);
}
*/
harq_process->trials[harq_process->round]++;
A = harq_process->TBS; //2072 for QPSK 1/3
ret = dlsch->max_turbo_iterations;
G = harq_process->G;
//get_G(frame_parms,nb_rb,dlsch->rb_alloc,mod_order,num_pdcch_symbols,phy_vars_ue->frame,subframe);
// printf("DLSCH Decoding, harq_pid %d Ndi %d\n",harq_pid,harq_process->Ndi);
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
lte_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->Cplus,
&harq_process->Cminus,
&harq_process->Kplus,
&harq_process->Kminus,
&harq_process->F);
// CLEAR LLR's HERE for first packet in process
}
/*
else {
printf("dlsch_decoding.c: Ndi>0 not checked yet!!\n");
return(max_turbo_iterations);
}
*/
err_flag = 0;
r_offset = 0;
unsigned char bw_scaling =1;
switch (frame_parms->N_RB_DL) {
case 6:
bw_scaling =16;
break;
case 25:
bw_scaling =4;
break;
case 50:
bw_scaling =2;
break;
default:
bw_scaling =1;
break;
}
if (harq_process->C > MAX_NUM_DLSCH_SEGMENTS/bw_scaling) {
LOG_E(PHY,"Illegal harq_process->C %d > %d\n",harq_process->C,MAX_NUM_DLSCH_SEGMENTS/bw_scaling);
return((1+dlsch->max_turbo_iterations));
}
#ifdef DEBUG_DLSCH_DECODING
printf("Segmentation: C %d, Cminus %d, Kminus %d, Kplus %d\n",harq_process->C,harq_process->Cminus,harq_process->Kminus,harq_process->Kplus);
#endif
opp_enabled=1;
for (r=0; r<harq_process->C; r++) {
// Get Turbo interleaver parameters
if (r<harq_process->Cminus)
Kr = harq_process->Kminus;
else
Kr = harq_process->Kplus;
Kr_bytes = Kr>>3;
if (Kr_bytes<=64)
iind = (Kr_bytes-5);
else if (Kr_bytes <=128)
iind = 59 + ((Kr_bytes-64)>>1);
else if (Kr_bytes <= 256)
iind = 91 + ((Kr_bytes-128)>>2);
else if (Kr_bytes <= 768)
iind = 123 + ((Kr_bytes-256)>>3);
else {
printf("dlsch_decoding: Illegal codeword size %d!!!\n",Kr_bytes);
return(dlsch->max_turbo_iterations);
}
#ifdef DEBUG_DLSCH_DECODING
printf("f1 %d, f2 %d, F %d\n",f1f2mat_old[2*iind],f1f2mat_old[1+(2*iind)],(r==0) ? harq_process->F : 0);
#endif
#if UE_TIMING_TRACE
start_meas(dlsch_rate_unmatching_stats);
#endif
memset(&dummy_w[r][0],0,3*(6144+64)*sizeof(short));
harq_process->RTC[r] = generate_dummy_w(4+(Kr_bytes*8),
(uint8_t*) &dummy_w[r][0],
(r==0) ? harq_process->F : 0);
#ifdef DEBUG_DLSCH_DECODING
LOG_D(PHY,"HARQ_PID %d Rate Matching Segment %d (coded bits %d,unpunctured/repeated bits %d, TBS %d, mod_order %d, nb_rb %d, Nl %d, rv %d, round %d)...\n",
harq_pid,r, G,
Kr*3,
harq_process->TBS,
harq_process->Qm,
harq_process->nb_rb,
harq_process->Nl,
harq_process->rvidx,
harq_process->round);
#endif
#ifdef DEBUG_DLSCH_DECODING
printf(" in decoding dlsch->harq_processes[harq_pid]->rvidx = %d\n", dlsch->harq_processes[harq_pid]->rvidx);
#endif
if (lte_rate_matching_turbo_rx(harq_process->RTC[r],
G,
harq_process->w[r],
(uint8_t*)&dummy_w[r][0],
dlsch_llr+r_offset,
harq_process->C,
dlsch->Nsoft,
dlsch->Mdlharq,
dlsch->Kmimo,
harq_process->rvidx,
(harq_process->round==0)?1:0,
harq_process->Qm,
harq_process->Nl,
r,
&E)==-1) {
#if UE_TIMING_TRACE
stop_meas(dlsch_rate_unmatching_stats);
#endif
LOG_E(PHY,"dlsch_decoding.c: Problem in rate_matching\n");
return(dlsch->max_turbo_iterations);
} else
{
#if UE_TIMING_TRACE
stop_meas(dlsch_rate_unmatching_stats);
#endif
}
r_offset += E;
/*
printf("Subblock deinterleaving, d %p w %p\n",
harq_process->d[r],
harq_process->w);
*/
#if UE_TIMING_TRACE
start_meas(dlsch_deinterleaving_stats);
#endif
sub_block_deinterleaving_turbo(4+Kr,
&harq_process->d[r][96],
harq_process->w[r]);
#if UE_TIMING_TRACE
stop_meas(dlsch_deinterleaving_stats);
#endif
#ifdef DEBUG_DLSCH_DECODING
/*
if (r==0) {
write_output("decoder_llr.m","decllr",dlsch_llr,G,1,0);
write_output("decoder_in.m","dec",&harq_process->d[0][96],(3*8*Kr_bytes)+12,1,0);
}
printf("decoder input(segment %d) :",r);
int i; for (i=0;i<(3*8*Kr_bytes)+12;i++)
printf("%d : %d\n",i,harq_process->d[r][96+i]);
printf("\n");*/
#endif
// printf("Clearing c, %p\n",harq_process->c[r]);
memset(harq_process->c[r],0,Kr_bytes);
// printf("done\n");
if (harq_process->C == 1)
crc_type = CRC24_A;
else
crc_type = CRC24_B;
/*
printf("decoder input(segment %d)\n",r);
for (i=0;i<(3*8*Kr_bytes)+12;i++)
if ((harq_process->d[r][96+i]>7) ||
(harq_process->d[r][96+i] < -8))
printf("%d : %d\n",i,harq_process->d[r][96+i]);
printf("\n");
*/
//#ifndef __AVX2__
#if 1
if (err_flag == 0) {
/*
LOG_I(PHY, "turbo algo Kr=%d cb_cnt=%d C=%d nbRB=%d crc_type %d TBSInput=%d TBSHarq=%d TBSplus24=%d mcs=%d Qm=%d RIV=%d round=%d maxIter %d\n",
Kr,r,harq_process->C,harq_process->nb_rb,crc_type,A,harq_process->TBS,
harq_process->B,harq_process->mcs,harq_process->Qm,harq_process->rvidx,harq_process->round,dlsch->max_turbo_iterations);
*/
if (llr8_flag) {
AssertFatal (Kr >= 256, "turbo algo issue Kr=%d cb_cnt=%d C=%d nbRB=%d TBSInput=%d TBSHarq=%d TBSplus24=%d mcs=%d Qm=%d RIV=%d round=%d\n",
Kr,r,harq_process->C,harq_process->nb_rb,A,harq_process->TBS,harq_process->B,harq_process->mcs,harq_process->Qm,harq_process->rvidx,harq_process->round);
}
#if UE_TIMING_TRACE
start_meas(dlsch_turbo_decoding_stats);
#endif
LOG_D(PHY,"AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1);
ret = tc
(&harq_process->d[r][96],
NULL,
harq_process->c[r],
NULL,
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
#if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats);
#endif
}
#else
if ((harq_process->C == 1) ||
((r==harq_process->C-1) && (skipped_last==0))) { // last segment with odd number of segments
#if UE_TIMING_TRACE
start_meas(dlsch_turbo_decoding_stats);
#endif
ret = tc
(&harq_process->d[r][96],
harq_process->c[r],
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
#if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats);
#endif
// printf("single decode, exit\n");
// exit(-1);
}
else {
// we can merge code segments
if ((skipped_last == 0) && (r<harq_process->C-1)) {
skipped_last = 1;
Kr_last = Kr;
}
else {
skipped_last=0;
if (Kr_last == Kr) { // decode 2 code segments with AVX2 version
#ifdef DEBUG_DLSCH_DECODING
printf("single decoding segment %d (%p)\n",r-1,&harq_process->d[r-1][96]);
#endif
#if UE_TIMING_TRACE
start_meas(dlsch_turbo_decoding_stats);
#endif
#ifdef DEBUG_DLSCH_DECODING
printf("double decoding segments %d,%d (%p,%p)\n",r-1,r,&harq_process->d[r-1][96],&harq_process->d[r][96]);
#endif
ret = tc_2cw
(&harq_process->d[r-1][96],
&harq_process->d[r][96],
harq_process->c[r-1],
harq_process->c[r],
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
/*
ret = tc
(&harq_process->d[r-1][96],
harq_process->c[r-1],
Kr_last,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
exit(-1);*/
#if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats);
#endif
}
else { // Kr_last != Kr
#if UE_TIMING_TRACE
start_meas(dlsch_turbo_decoding_stats);
#endif
ret = tc
(&harq_process->d[r-1][96],
harq_process->c[r-1],
Kr_last,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
#if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats);
start_meas(dlsch_turbo_decoding_stats);
#endif
ret = tc
(&harq_process->d[r][96],
harq_process->c[r],
Kr,
f1f2mat_old[iind*2],
f1f2mat_old[(iind*2)+1],
dlsch->max_turbo_iterations,
crc_type,
(r==0) ? harq_process->F : 0,
&phy_vars_ue->dlsch_tc_init_stats,
&phy_vars_ue->dlsch_tc_alpha_stats,
&phy_vars_ue->dlsch_tc_beta_stats,
&phy_vars_ue->dlsch_tc_gamma_stats,
&phy_vars_ue->dlsch_tc_ext_stats,
&phy_vars_ue->dlsch_tc_intl1_stats,
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
#if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats);
/*printf("Segmentation: C %d r %d, dlsch_rate_unmatching_stats %5.3f dlsch_deinterleaving_stats %5.3f dlsch_turbo_decoding_stats %5.3f \n",
harq_process->C,
r,
dlsch_rate_unmatching_stats->p_time/(cpuf*1000.0),
dlsch_deinterleaving_stats->p_time/(cpuf*1000.0),
dlsch_turbo_decoding_stats->p_time/(cpuf*1000.0));*/
#endif
}
}
}
#endif
if ((err_flag == 0) && (ret>=(1+dlsch->max_turbo_iterations))) {// a Code segment is in error so break;
LOG_D(PHY,"AbsSubframe %d.%d CRC failed, segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1);
err_flag = 1;
}
}
int32_t frame_rx_prev = frame;
int32_t subframe_rx_prev = subframe - 1;
if (subframe_rx_prev < 0) {
frame_rx_prev--;
subframe_rx_prev += 10;
}
frame_rx_prev = frame_rx_prev%1024;
if (err_flag == 1) {
#if UE_DEBUG_TRACE
LOG_I(PHY,"[UE %d] DLSCH: Setting NAK for SFN/SF %d/%d (pid %d, status %d, round %d, TBS %d, mcs %d) Kr %d r %d harq_process->round %d\n",
phy_vars_ue->Mod_id, frame, subframe, harq_pid,harq_process->status, harq_process->round,harq_process->TBS,harq_process->mcs,Kr,r,harq_process->round);
#endif
dlsch->harq_ack[subframe].ack = 0;
dlsch->harq_ack[subframe].harq_id = harq_pid;
dlsch->harq_ack[subframe].send_harq_status = 1;
harq_process->errors[harq_process->round]++;
harq_process->round++;
// printf("Rate: [UE %d] DLSCH: Setting NACK for subframe %d (pid %d, round %d)\n",phy_vars_ue->Mod_id,subframe,harq_pid,harq_process->round);
if (harq_process->round >= dlsch->Mdlharq) {
harq_process->status = SCH_IDLE;
harq_process->round = 0;
}
if(is_crnti)
{
LOG_D(PHY,"[UE %d] DLSCH: Setting NACK for subframe %d (pid %d, pid status %d, round %d/Max %d, TBS %d)\n",
phy_vars_ue->Mod_id,subframe,harq_pid,harq_process->status,harq_process->round,dlsch->Mdlharq,harq_process->TBS);
}
return((1+dlsch->max_turbo_iterations));
} else {
#if UE_DEBUG_TRACE
LOG_I(PHY,"[UE %d] DLSCH: Setting ACK for subframe %d TBS %d mcs %d nb_rb %d\n",
phy_vars_ue->Mod_id,subframe,harq_process->TBS,harq_process->mcs,harq_process->nb_rb);
#endif
harq_process->status = SCH_IDLE;
harq_process->round = 0;
dlsch->harq_ack[subframe].ack = 1;
dlsch->harq_ack[subframe].harq_id = harq_pid;
dlsch->harq_ack[subframe].send_harq_status = 1;
//LOG_I(PHY,"[UE %d] DLSCH: Setting ACK for SFN/SF %d/%d (pid %d, status %d, round %d, TBS %d, mcs %d)\n",
// phy_vars_ue->Mod_id, frame, subframe, harq_pid, harq_process->status, harq_process->round,harq_process->TBS,harq_process->mcs);
if(is_crnti)
{
LOG_D(PHY,"[UE %d] DLSCH: Setting ACK for subframe %d (pid %d, round %d, TBS %d)\n",phy_vars_ue->Mod_id,subframe,harq_pid,harq_process->round,harq_process->TBS);
}
//LOG_D(PHY,"[UE %d] DLSCH: Setting ACK for subframe %d (pid %d, round %d)\n",phy_vars_ue->Mod_id,subframe,harq_pid,harq_process->round);
}
// Reassembly of Transport block here
offset = 0;
/*
printf("harq_pid %d\n",harq_pid);
printf("F %d, Fbytes %d\n",harq_process->F,harq_process->F>>3);
printf("C %d\n",harq_process->C);
*/
for (r=0; r<harq_process->C; r++) {
if (r<harq_process->Cminus)
Kr = harq_process->Kminus;
else
Kr = harq_process->Kplus;
Kr_bytes = Kr>>3;
// printf("Segment %d : Kr= %d bytes\n",r,Kr_bytes);
if (r==0) {
memcpy(harq_process->b,
&harq_process->c[0][(harq_process->F>>3)],
Kr_bytes - (harq_process->F>>3)- ((harq_process->C>1)?3:0));
offset = Kr_bytes - (harq_process->F>>3) - ((harq_process->C>1)?3:0);
// printf("copied %d bytes to b sequence (harq_pid %d)\n",
// Kr_bytes - (harq_process->F>>3),harq_pid);
// printf("b[0] = %x,c[%d] = %x\n",
// harq_process->b[0],
// harq_process->F>>3,
// harq_process->c[0][(harq_process->F>>3)]);
} else {
memcpy(harq_process->b+offset,
harq_process->c[r],
Kr_bytes- ((harq_process->C>1)?3:0));
offset += (Kr_bytes - ((harq_process->C>1)?3:0));
}
}
dlsch->last_iteration_cnt = ret;
return(ret);
}
openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c deleted 100644 → 0
View file @ 016185c1
This source diff could not be displayed because it is too large. You can view the blob instead.
openair1/PHY/LTE_TRANSPORT/dlsch_llr_computation.c deleted 100644 → 0
View file @ 016185c1
This source diff could not be displayed because it is too large. You can view the blob instead.
openair1/PHY/LTE_TRANSPORT/drs_modulation.c deleted 100644 → 0
View file @ 016185c1
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/drs_modulation.c
* \brief Top-level routines for generating the Demodulation Reference Signals from 36-211, V8.6 2009-03
* \author R. Knopp, F. Kaltenberger, A. Bhamri
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr,ankit.bhamri@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "PHY/sse_intrin.h"
//#define DEBUG_DRS
int generate_drs_pusch(PHY_VARS_UE *ue,
UE_rxtx_proc_t *proc,
uint8_t eNB_id,
short amp,
unsigned int subframe,
unsigned int first_rb,
unsigned int nb_rb,
uint8_t ant)
{
uint16_t k,l,Msc_RS,Msc_RS_idx,rb,drs_offset;
uint16_t * Msc_idx_ptr;
int subframe_offset,re_offset,symbol_offset;
//uint32_t phase_shift; // phase shift for cyclic delay in DM RS
//uint8_t alpha_ind;
int16_t alpha_re[12] = {32767, 28377, 16383, 0,-16384, -28378,-32768,-28378,-16384, -1, 16383, 28377};
int16_t alpha_im[12] = {0, 16383, 28377, 32767, 28377, 16383, 0,-16384,-28378,-32768,-28378,-16384};
uint8_t cyclic_shift,cyclic_shift0,cyclic_shift1;
LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
int32_t *txdataF = ue->common_vars.txdataF[ant];
uint32_t u,v,alpha_ind;
uint32_t u0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[subframe<<1];
uint32_t u1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[1+(subframe<<1)];
uint32_t v0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
int32_t ref_re,ref_im;
uint8_t harq_pid = subframe2harq_pid(frame_parms,proc->frame_tx,subframe);
cyclic_shift0 = (frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift +
ue->ulsch[eNB_id]->harq_processes[harq_pid]->n_DMRS2 +
frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[subframe<<1]+
((ue->ulsch[0]->cooperation_flag==2)?10:0)+
ant*6) % 12;
// printf("PUSCH.cyclicShift %d, n_DMRS2 %d, nPRS %d\n",frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift,ue->ulsch[eNB_id]->n_DMRS2,ue->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[subframe<<1]);
cyclic_shift1 = (frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift +
ue->ulsch[eNB_id]->harq_processes[harq_pid]->n_DMRS2 +
frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.nPRS[(subframe<<1)+1]+
((ue->ulsch[0]->cooperation_flag==2)?10:0)+
ant*6) % 12;
// cyclic_shift0 = 0;
// cyclic_shift1 = 0;
Msc_RS = 12*nb_rb;
Msc_idx_ptr = (uint16_t*) bsearch(&Msc_RS, dftsizes, 33, sizeof(uint16_t), compareints);
if (Msc_idx_ptr)
Msc_RS_idx = Msc_idx_ptr - dftsizes;
else {
LOG_I(PHY,"generate_drs_pusch: index for Msc_RS=%d not found\n",Msc_RS);
return(-1);
}
for (l = (3 - frame_parms->Ncp),u=u0,v=v0,cyclic_shift=cyclic_shift0;
l<frame_parms->symbols_per_tti;
l += (7 - frame_parms->Ncp),u=u1,v=v1,cyclic_shift=cyclic_shift1) {
drs_offset = 0;
#ifdef DEBUG_DRS
printf("drs_modulation: Msc_RS = %d, Msc_RS_idx = %d, u=%d,v=%d\n",Msc_RS, Msc_RS_idx,u,v);
#endif
re_offset = frame_parms->first_carrier_offset;
subframe_offset = subframe*frame_parms->symbols_per_tti*frame_parms->ofdm_symbol_size;
symbol_offset = subframe_offset + frame_parms->ofdm_symbol_size*l;
#ifdef DEBUG_DRS
printf("generate_drs_pusch: symbol_offset %d, subframe offset %d, cyclic shift %d\n",symbol_offset,subframe_offset,cyclic_shift);
#endif
alpha_ind = 0;
for (rb=0; rb<frame_parms->N_RB_UL; rb++) {
if ((rb >= first_rb) && (rb<(first_rb+nb_rb))) {
#ifdef DEBUG_DRS
printf("generate_drs_pusch: doing RB %d, re_offset=%d, drs_offset=%d,cyclic shift %d\n",rb,re_offset,drs_offset,cyclic_shift);
#endif
for (k=0; k<12; k++) {
ref_re = (int32_t) ul_ref_sigs[u][v][Msc_RS_idx][drs_offset<<1];
ref_im = (int32_t) ul_ref_sigs[u][v][Msc_RS_idx][(drs_offset<<1)+1];
((int16_t*) txdataF)[2*(symbol_offset + re_offset)] = (int16_t) (((ref_re*alpha_re[alpha_ind]) -
(ref_im*alpha_im[alpha_ind]))>>15);
((int16_t*) txdataF)[2*(symbol_offset + re_offset)+1] = (int16_t) (((ref_re*alpha_im[alpha_ind]) +
(ref_im*alpha_re[alpha_ind]))>>15);
((short*) txdataF)[2*(symbol_offset + re_offset)] = (short) ((((short*) txdataF)[2*(symbol_offset + re_offset)]*(int32_t)amp)>>15);
((short*) txdataF)[2*(symbol_offset + re_offset)+1] = (short) ((((short*) txdataF)[2*(symbol_offset + re_offset)+1]*(int32_t)amp)>>15);
alpha_ind = (alpha_ind + cyclic_shift);
if (alpha_ind > 11)
alpha_ind-=12;
#ifdef DEBUG_DRS
printf("symbol_offset %d, alpha_ind %d , re_offset %d : (%d,%d)\n",
symbol_offset,
alpha_ind,
re_offset,
((short*) txdataF)[2*(symbol_offset + re_offset)],
((short*) txdataF)[2*(symbol_offset + re_offset)+1]);
#endif // DEBUG_DRS
re_offset++;
drs_offset++;
if (re_offset >= frame_parms->ofdm_symbol_size)
re_offset = 0;
}
} else {
re_offset+=12; // go to next RB
// check if we crossed the symbol boundary and skip DC
if (re_offset >= frame_parms->ofdm_symbol_size) {
if (frame_parms->N_RB_DL&1) // odd number of RBs
re_offset=6;
else // even number of RBs (doesn't straddle DC)
re_offset=0;
}
}
}
}
return(0);
}
openair1/PHY/LTE_TRANSPORT/ulsch_coding.c deleted 100644 → 0
View file @ 016185c1
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/ulsch_coding.c
* \brief Top-level routines for coding the ULSCH transport channel as described in 36.212 V8.6 2009-03
* \author R. Knopp
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "PHY/CODING/defs.h"
#include "PHY/CODING/extern.h"
#include "PHY/CODING/lte_interleaver_inline.h"
#include "PHY/LTE_TRANSPORT/defs.h"
#include "defs.h"
#include "extern.h"
#include "SIMULATION/ETH_TRANSPORT/extern.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
//#define DEBUG_ULSCH_CODING
//#define DEBUG_ULSCH_FREE 1
/*
#define is_not_pilot(pilots,first_pilot,re) (pilots==0) || \
((pilots==1)&&(first_pilot==1)&&(((re>2)&&(re<6))||((re>8)&&(re<12)))) || \
((pilots==1)&&(first_pilot==0)&&(((re<3))||((re>5)&&(re<9)))) \
*/
#define is_not_pilot(pilots,first_pilot,re) (1)
void free_ue_ulsch(LTE_UE_ULSCH_t *ulsch)
{
int i;
int r;
if (ulsch) {
#ifdef DEBUG_ULSCH_FREE
printf("Freeing ulsch %p\n",ulsch);
#endif
for (i=0; i<8; i++) {
if (ulsch->harq_processes[i]) {
if (ulsch->harq_processes[i]->b) {
free16(ulsch->harq_processes[i]->b,MAX_ULSCH_PAYLOAD_BYTES);
ulsch->harq_processes[i]->b = NULL;
}
for (r=0; r<MAX_NUM_ULSCH_SEGMENTS; r++) {
if (ulsch->harq_processes[i]->c[r]) {
free16(ulsch->harq_processes[i]->c[r],((r==0)?8:0) + 3+768);
ulsch->harq_processes[i]->c[r] = NULL;
}
}
free16(ulsch->harq_processes[i],sizeof(LTE_UL_UE_HARQ_t));
ulsch->harq_processes[i] = NULL;
}
}
free16(ulsch,sizeof(LTE_UE_ULSCH_t));
ulsch = NULL;
}
}
LTE_UE_ULSCH_t *new_ue_ulsch(unsigned char N_RB_UL, uint8_t abstraction_flag)
{
LTE_UE_ULSCH_t *ulsch;
unsigned char exit_flag = 0,i,j,r;
unsigned char bw_scaling =1;
switch (N_RB_UL) {
case 6:
bw_scaling =16;
break;
case 25:
bw_scaling =4;
break;
case 50:
bw_scaling =2;
break;
default:
bw_scaling =1;
break;
}
ulsch = (LTE_UE_ULSCH_t *)malloc16(sizeof(LTE_UE_ULSCH_t));
if (ulsch) {
memset(ulsch,0,sizeof(LTE_UE_ULSCH_t));
ulsch->Mlimit = 4;
for (i=0; i<8; i++) {
ulsch->harq_processes[i] = (LTE_UL_UE_HARQ_t *)malloc16(sizeof(LTE_UL_UE_HARQ_t));
// printf("ulsch->harq_processes[%d] %p\n",i,ulsch->harq_processes[i]);
if (ulsch->harq_processes[i]) {
memset(ulsch->harq_processes[i], 0, sizeof(LTE_UL_UE_HARQ_t));
ulsch->harq_processes[i]->b = (unsigned char*)malloc16(MAX_ULSCH_PAYLOAD_BYTES/bw_scaling);
if (ulsch->harq_processes[i]->b)
memset(ulsch->harq_processes[i]->b,0,MAX_ULSCH_PAYLOAD_BYTES/bw_scaling);
else {
LOG_E(PHY,"Can't get b\n");
exit_flag=1;
}
if (abstraction_flag==0) {
for (r=0; r<MAX_NUM_ULSCH_SEGMENTS; r++) {
ulsch->harq_processes[i]->c[r] = (unsigned char*)malloc16(((r==0)?8:0) + 3+768); // account for filler in first segment and CRCs for multiple segment case
if (ulsch->harq_processes[i]->c[r])
memset(ulsch->harq_processes[i]->c[r],0,((r==0)?8:0) + 3+768);
else {
LOG_E(PHY,"Can't get c\n");
exit_flag=2;
}
}
}
ulsch->harq_processes[i]->subframe_scheduling_flag = 0;
ulsch->harq_processes[i]->first_tx = 1;
} else {
LOG_E(PHY,"Can't get harq_p %d\n",i);
exit_flag=3;
}
}
if ((abstraction_flag == 0) && (exit_flag==0)) {
for (i=0; i<8; i++)
for (j=0; j<96; j++)
for (r=0; r<MAX_NUM_ULSCH_SEGMENTS; r++)
ulsch->harq_processes[i]->d[r][j] = LTE_NULL;
return(ulsch);
} else if (abstraction_flag==1)
return(ulsch);
}
LOG_E(PHY,"new_ue_ulsch exit flag, size of %d , %zu\n",exit_flag, sizeof(LTE_UE_ULSCH_t));
free_ue_ulsch(ulsch);
return(NULL);
}
uint32_t ulsch_encoding(uint8_t *a,
PHY_VARS_UE *ue,
uint8_t harq_pid,
uint8_t eNB_id,
uint8_t subframe_rx,
uint8_t tmode,
uint8_t control_only_flag,
uint8_t Nbundled)
{
time_stats_t *seg_stats=&ue->ulsch_segmentation_stats;
time_stats_t *rm_stats=&ue->ulsch_rate_matching_stats;
time_stats_t *te_stats=&ue->ulsch_turbo_encoding_stats;
time_stats_t *i_stats=&ue->ulsch_interleaving_stats;
time_stats_t *m_stats=&ue->ulsch_multiplexing_stats;
// uint16_t offset;
uint32_t crc=1;
uint16_t iind;
uint32_t A;
uint8_t Q_m=0;
uint32_t Kr=0,Kr_bytes,r,r_offset=0;
uint8_t y[6*14*1200],*yptr;;
uint8_t *columnset;
uint32_t sumKr=0;
uint32_t Qprime,L,G,Q_CQI=0,Q_RI=0,Q_ACK=0,H=0,Hprime=0,Hpp=0,Cmux=0,Rmux=0,Rmux_prime=0;
uint32_t Qprime_ACK=0,Qprime_CQI=0,Qprime_RI=0,len_ACK=0,len_RI=0;
// uint32_t E;
uint8_t ack_parity;
uint32_t i,q,j,iprime,j2;
uint16_t o_RCC;
uint8_t o_flip[8];
uint32_t wACK_idx;
LTE_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
PHY_MEASUREMENTS *meas = &ue->measurements;
LTE_UE_ULSCH_t *ulsch=ue->ulsch[eNB_id];
LTE_UE_DLSCH_t **dlsch = ue->dlsch[0][eNB_id];
uint16_t rnti = 0xffff;
if (!ulsch) {
LOG_E(PHY,"Null ulsch ptr %p\n",ulsch);
return(-1);
}
if (harq_pid >= 8) {
LOG_E(PHY,"Illegal harq_pid %d\n",harq_pid);
return(-1);
}
if (ulsch->harq_processes[harq_pid]->O_ACK > 2) {
LOG_E(PHY,"Illegal O_ACK %d\n",ulsch->harq_processes[harq_pid]->O_ACK);
return(-1);
}
if (ulsch->O_RI > 1) {
LOG_E(PHY,"Illegal O_RI %d\n",ulsch->O_RI);
return(-1);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_IN);
// fill CQI/PMI information
if (ulsch->O>0) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING_FILL_CQI, VCD_FUNCTION_IN);
rnti = ue->pdcch_vars[ue->current_thread_id[subframe_rx]][eNB_id]->crnti;
fill_CQI(ulsch,meas,0,harq_pid,ue->frame_parms.N_RB_DL,rnti, tmode,ue->sinr_eff);
LOG_D(PHY,"ULSCH Encoding rnti %x \n", rnti);
print_CQI(ulsch->o,ulsch->uci_format,0,ue->frame_parms.N_RB_DL);
// save PUSCH pmi for later (transmission modes 4,5,6)
if (dlsch[0]) {
//LOG_I(PHY,"XXX saving pmi for DL %x\n",pmi2hex_2Ar1(((wideband_cqi_rank1_2A_5MHz *)ulsch->o)->pmi));
dlsch[0]->pmi_alloc = ((wideband_cqi_rank1_2A_5MHz *)ulsch->o)->pmi;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING_FILL_CQI, VCD_FUNCTION_OUT);
}
if (ulsch->O<=32) {
o_flip[0] = ulsch->o[3];
o_flip[1] = ulsch->o[2];
o_flip[2] = ulsch->o[1];
o_flip[3] = ulsch->o[0];
} else {
o_flip[0] = ulsch->o[7];
o_flip[1] = ulsch->o[6];
o_flip[2] = ulsch->o[5];
o_flip[3] = ulsch->o[4];
o_flip[4] = ulsch->o[3];
o_flip[5] = ulsch->o[2];
o_flip[6] = ulsch->o[1];
o_flip[7] = ulsch->o[0];
}
if (control_only_flag == 0) {
A=ulsch->harq_processes[harq_pid]->TBS;
Q_m = get_Qm_ul(ulsch->harq_processes[harq_pid]->mcs);
ulsch->harq_processes[harq_pid]->control_only = 0;
#ifdef DEBUG_ULSCH_CODING
printf("[PHY][UE] ULSCH coding : A %d, Qm %d, mcs %d, harq_pid %d, round %d, RV %d\n",
ulsch->harq_processes[harq_pid]->TBS,
Q_m,
ulsch->harq_processes[harq_pid]->mcs,
harq_pid,
ulsch->harq_processes[harq_pid]->round,
ulsch->harq_processes[harq_pid]->rvidx);
for (i=0; i<ulsch->harq_processes[harq_pid]->O_ACK; i++)
printf("ulsch_coding: o_ACK[%d] %d\n",i,ulsch->o_ACK[i]);
for (i=0; i<ulsch->O_RI; i++)
printf("ulsch_coding: o_RI[%d] %d\n",i,ulsch->o_RI[i]);
printf("ulsch_coding: O=%d\n",ulsch->O);
for (i=0; i<1+((8+ulsch->O)/8); i++) {
// ulsch->o[i] = i;
printf("ulsch_coding: O[%d] %d\n",i,ulsch->o[i]);
}
if ((tmode != 4))
print_CQI(ulsch->o,wideband_cqi_rank1_2A,0,ue->frame_parms.N_RB_DL);
else
print_CQI(ulsch->o,HLC_subband_cqi_rank1_2A,0,ue->frame_parms.N_RB_DL);
#endif
if (ulsch->harq_processes[harq_pid]->round == 0) { // this is a new packet
start_meas(seg_stats);
// Add 24-bit crc (polynomial A) to payload
crc = crc24a(a,
A)>>8;
a[A>>3] = ((uint8_t*)&crc)[2];
a[1+(A>>3)] = ((uint8_t*)&crc)[1];
a[2+(A>>3)] = ((uint8_t*)&crc)[0];
ulsch->harq_processes[harq_pid]->B = A+24;
ulsch->harq_processes[harq_pid]->b = a;
lte_segmentation(ulsch->harq_processes[harq_pid]->b,
ulsch->harq_processes[harq_pid]->c,
ulsch->harq_processes[harq_pid]->B,
&ulsch->harq_processes[harq_pid]->C,
&ulsch->harq_processes[harq_pid]->Cplus,
&ulsch->harq_processes[harq_pid]->Cminus,
&ulsch->harq_processes[harq_pid]->Kplus,
&ulsch->harq_processes[harq_pid]->Kminus,
&ulsch->harq_processes[harq_pid]->F);
stop_meas(seg_stats);
for (r=0; r<ulsch->harq_processes[harq_pid]->C; r++) {
if (r<ulsch->harq_processes[harq_pid]->Cminus)
Kr = ulsch->harq_processes[harq_pid]->Kminus;
else
Kr = ulsch->harq_processes[harq_pid]->Kplus;
Kr_bytes = Kr>>3;
// get interleaver index for Turbo code (lookup in Table 5.1.3-3 36-212, V8.6 2009-03, p. 13-14)
if (Kr_bytes<=64)
iind = (Kr_bytes-5);
else if (Kr_bytes <=128)
iind = 59 + ((Kr_bytes-64)>>1);
else if (Kr_bytes <= 256)
iind = 91 + ((Kr_bytes-128)>>2);
else if (Kr_bytes <= 768)
iind = 123 + ((Kr_bytes-256)>>3);
else {
LOG_E(PHY,"ulsch_coding: Illegal codeword size %d!!!\n",Kr_bytes);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
#ifdef DEBUG_ULSCH_CODING
printf("Generating Code Segment %d (%d bits)\n",r,Kr);
// generate codewords
printf("bits_per_codeword (Kr)= %d\n",Kr);
printf("N_RB = %d\n",ulsch->harq_processes[harq_pid]->nb_rb);
printf("Ncp %d\n",frame_parms->Ncp);
printf("Qm %d\n",Q_m);
#endif
// offset=0;
#ifdef DEBUG_ULSCH_CODING
printf("Encoding ... iind %d f1 %d, f2 %d\n",iind,f1f2mat_old[iind*2],f1f2mat_old[(iind*2)+1]);
#endif
start_meas(te_stats);
encoder(ulsch->harq_processes[harq_pid]->c[r],
Kr>>3,
&ulsch->harq_processes[harq_pid]->d[r][96],
(r==0) ? ulsch->harq_processes[harq_pid]->F : 0,
f1f2mat_old[iind*2], // f1 (see 36212-820, page 14)
f1f2mat_old[(iind*2)+1] // f2 (see 36212-820, page 14)
);
stop_meas(te_stats);
#ifdef DEBUG_ULSCH_CODING
if (r==0)
write_output("enc_output0.m","enc0",&ulsch->harq_processes[harq_pid]->d[r][96],(3*8*Kr_bytes)+12,1,4);
#endif
start_meas(i_stats);
ulsch->harq_processes[harq_pid]->RTC[r] =
sub_block_interleaving_turbo(4+(Kr_bytes*8),
&ulsch->harq_processes[harq_pid]->d[r][96],
ulsch->harq_processes[harq_pid]->w[r]);
stop_meas(i_stats);
}
}
if (ulsch->harq_processes[harq_pid]->C == 0) {
LOG_E(PHY,"null segment\n");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
sumKr = 0;
for (r=0; r<ulsch->harq_processes[harq_pid]->C; r++) {
if (r<ulsch->harq_processes[harq_pid]->Cminus)
Kr = ulsch->harq_processes[harq_pid]->Kminus;
else
Kr = ulsch->harq_processes[harq_pid]->Kplus;
sumKr += Kr;
}
} else { // This is a control-only PUSCH, set sumKr to O_CQI-MIN
ulsch->harq_processes[harq_pid]->control_only = 1;
sumKr = ulsch->O_CQI_MIN;
}
ulsch->harq_processes[harq_pid]->sumKr = sumKr;
// Compute Q_ri (p. 23 36-212)
Qprime = ulsch->O_RI*ulsch->harq_processes[harq_pid]->Msc_initial*ulsch->harq_processes[harq_pid]->Nsymb_initial * ulsch->beta_offset_ri_times8;
if (Qprime > 0) {
if ((Qprime % (8*sumKr)) > 0)
Qprime = 1+(Qprime/(8*sumKr));
else
Qprime = Qprime/(8*sumKr);
if (Qprime > 4*ulsch->harq_processes[harq_pid]->nb_rb * 12)
Qprime = 4*ulsch->harq_processes[harq_pid]->nb_rb * 12;
}
Q_RI = Q_m*Qprime;
Qprime_RI = Qprime;
// Compute Q_ack (p. 23 36-212)
Qprime = ulsch->harq_processes[harq_pid]->O_ACK*ulsch->harq_processes[harq_pid]->Msc_initial*ulsch->harq_processes[harq_pid]->Nsymb_initial * ulsch->beta_offset_harqack_times8;
if (Qprime > 0) {
if ((Qprime % (8*sumKr)) > 0)
Qprime = 1+(Qprime/(8*sumKr));
else
Qprime = Qprime/(8*sumKr);
if (Qprime > 4*ulsch->harq_processes[harq_pid]->nb_rb * 12)
Qprime = 4*ulsch->harq_processes[harq_pid]->nb_rb * 12;
}
Q_ACK = Qprime * Q_m;
Qprime_ACK = Qprime;
LOG_D(PHY,"UE (%x/%d) O_ACK %d, Mcs_initial %d, Nsymb_initial %d, beta_offset_harqack*8 %d, sum Kr %d, Qprime_ACK %d, Q_ACK %d\n",
rnti, harq_pid,
ulsch->harq_processes[harq_pid]->O_ACK,
ulsch->harq_processes[harq_pid]->Msc_initial,
ulsch->harq_processes[harq_pid]->Nsymb_initial,
ulsch->beta_offset_harqack_times8,
sumKr,
Qprime_ACK,
Q_ACK);
// Compute Q_cqi, assume O>11, p. 26 36-212
if (control_only_flag == 0) {
if (ulsch->O < 12)
L=0;
else
L=8;
if (ulsch->O > 0)
Qprime = (ulsch->O + L) * ulsch->harq_processes[harq_pid]->Msc_initial*ulsch->harq_processes[harq_pid]->Nsymb_initial * ulsch->beta_offset_cqi_times8;
else
Qprime = 0;
if (Qprime > 0) {
if ((Qprime % (8*sumKr)) > 0)
Qprime = 1+(Qprime/(8*sumKr));
else
Qprime = Qprime/(8*sumKr);
}
G = ulsch->harq_processes[harq_pid]->nb_rb * (12 * Q_m) * (ulsch->Nsymb_pusch);
if (Qprime > (G - ulsch->O_RI))
Qprime = G - ulsch->O_RI;
Q_CQI = Q_m * Qprime;
Qprime_CQI = Qprime;
G = G - Q_RI - Q_CQI;
ulsch->harq_processes[harq_pid]->G = G;
/*
LOG_I(PHY,"ULSCH Encoding G %d, Q_RI %d (O_RI%d, Msc_initial %d, Nsymb_initial%d, beta_offset_ri_times8 %d), Q_CQI %d, Q_ACK %d \n",G,Q_RI,ulsch->O_RI,ulsch->harq_processes[harq_pid]->Msc_initial,ulsch->harq_processes[harq_pid]->Nsymb_initial,ulsch->beta_offset_ri_times8,Q_CQI,Q_ACK);
LOG_I(PHY,"ULSCH Encoding (Nid_cell %d, rnti %x): harq_pid %d round %d, RV %d, mcs %d, O_RI %d, O_ACK %d, G %d\n",
frame_parms->Nid_cell,ulsch->rnti,
harq_pid,
ulsch->harq_processes[harq_pid]->round,
ulsch->harq_processes[harq_pid]->rvidx,
ulsch->harq_processes[harq_pid]->mcs,
ulsch->O_RI,
ulsch->harq_processes[harq_pid]->O_ACK,
G);
*/
if ((int)G < 0) {
LOG_E(PHY,"FATAL: ulsch_coding.c G < 0 (%d) : Q_RI %d, Q_CQI %d, O %d, betaCQI_times8 %d)\n",G,Q_RI,Q_CQI,ulsch->O,ulsch->beta_offset_cqi_times8);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
// Data and control multiplexing (5.2.2.7 36-212)
H = G + Q_CQI;
Hprime = H/Q_m;
// Fill in the "e"-sequence from 36-212, V8.6 2009-03, p. 16-17 (for each "e") and concatenate the
// outputs for each code segment, see Section 5.1.5 p.20
for (r=0; r<ulsch->harq_processes[harq_pid]->C; r++) {
#ifdef DEBUG_ULSCH_CODING
printf("Rate Matching, Code segment %d (coded bits (G) %d,unpunctured/repeated bits per code segment %d,mod_order %d, nb_rb %d)...\n",
r,
G,
Kr*3,
Q_m,ulsch->harq_processes[harq_pid]->nb_rb);
#endif
start_meas(rm_stats);
r_offset += lte_rate_matching_turbo(ulsch->harq_processes[harq_pid]->RTC[r],
G,
ulsch->harq_processes[harq_pid]->w[r],
ulsch->e+r_offset,
ulsch->harq_processes[harq_pid]->C, // C
NSOFT, // Nsoft,
0, // this means UL
1,
ulsch->harq_processes[harq_pid]->rvidx,
get_Qm_ul(ulsch->harq_processes[harq_pid]->mcs),
1,
r,
ulsch->harq_processes[harq_pid]->nb_rb);
//ulsch->harq_processes[harq_pid]->mcs); // r
stop_meas(rm_stats);
#ifdef DEBUG_ULSCH_CODING
if (r==ulsch->harq_processes[harq_pid]->C-1)
write_output("enc_output.m","enc",ulsch->e,r_offset,1,4);
#endif
}
} else { //control-only PUSCH
Q_CQI = (ulsch->harq_processes[harq_pid]->nb_rb * (12 * Q_m) * (ulsch->Nsymb_pusch)) - Q_RI;
H = Q_CQI;
Hprime = H/Q_m;
}
// Do CQI coding
if ((ulsch->O>1) && (ulsch->O < 12)) {
LOG_E(PHY,"short CQI sizes not supported yet\n");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
} else {
// add 8-bit CRC
crc = crc8(o_flip,
ulsch->O)>>24;
#ifdef DEBUG_ULSCH_CODING
printf("crc(cqi) tx : %x\n",crc);
#endif
memset((void *)&ulsch->o_d[0],LTE_NULL,96);
ccodelte_encode(ulsch->O,
1,
o_flip,
&ulsch->o_d[96],
0);
o_RCC = sub_block_interleaving_cc(8+ulsch->O,
&ulsch->o_d[96],
ulsch->o_w);
lte_rate_matching_cc(o_RCC,
Q_CQI,
ulsch->o_w,
ulsch->q);
}
i=0;
// Do RI coding
if (ulsch->O_RI == 1) {
switch (Q_m) {
case 2:
ulsch->q_RI[0] = ulsch->o_RI[0];
ulsch->q_RI[1] = PUSCH_y;//ulsch->o_RI[0];
len_RI=2;
break;
case 4:
ulsch->q_RI[0] = ulsch->o_RI[0];
ulsch->q_RI[1] = PUSCH_y;//1;
ulsch->q_RI[2] = PUSCH_x;//ulsch->o_RI[0];
ulsch->q_RI[3] = PUSCH_x;//1;
len_RI=4;
break;
case 6:
ulsch->q_RI[0] = ulsch->o_RI[0];
ulsch->q_RI[1] = PUSCH_y;//1;
ulsch->q_RI[2] = PUSCH_x;//1;
ulsch->q_RI[3] = PUSCH_x;//ulsch->o_RI[0];
ulsch->q_RI[4] = PUSCH_x;//1;
ulsch->q_RI[5] = PUSCH_x;//1;
len_RI=6;
break;
}
} else if (ulsch->O_RI>1) {
LOG_E(PHY,"RI cannot be more than 1 bit yet\n");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
// Do ACK coding, Section 5.2.2.6 36.213 (p.23-24 in v8.6)
wACK_idx = (ulsch->bundling==0) ? 4 : ((Nbundled-1)&3);
#ifdef DEBUG_ULSCH_CODING
printf("ulsch_coding.c: Bundling %d, Nbundled %d, wACK_idx %d\n",
ulsch->bundling,Nbundled,wACK_idx);
#endif
// 1-bit ACK/NAK
if (ulsch->harq_processes[harq_pid]->O_ACK == 1) {
switch (Q_m) {
case 2:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->bundling==0)? PUSCH_y : ((ulsch->o_ACK[0]+wACK[wACK_idx][1])&1);//ulsch->o_ACK[0];
len_ACK = 2;
break;
case 4:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->bundling==0)? PUSCH_y : ((ulsch->o_ACK[0]+wACK[wACK_idx][1])&1);
ulsch->q_ACK[2] = PUSCH_x;
ulsch->q_ACK[3] = PUSCH_x;
len_ACK = 4;
break;
case 6:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->bundling==0)? PUSCH_y : ((ulsch->o_ACK[0]+wACK[wACK_idx][1])&1);
ulsch->q_ACK[2] = PUSCH_x;
ulsch->q_ACK[3] = PUSCH_x;
ulsch->q_ACK[4] = PUSCH_x;
ulsch->q_ACK[6] = PUSCH_x;
len_ACK = 6;
break;
}
}
// two-bit ACK/NAK
if (ulsch->harq_processes[harq_pid]->O_ACK == 2) {
ack_parity = (ulsch->o_ACK[0]+ulsch->o_ACK[1])&1;
switch (Q_m) {
case 2:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->o_ACK[1]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[2] = (ack_parity+wACK[wACK_idx][0])&1;
ulsch->q_ACK[3] = (ulsch->o_ACK[0]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[4] = (ulsch->o_ACK[1]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[5] = (ack_parity+wACK[wACK_idx][1])&1;
len_ACK = 6;
break;
case 4:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->o_ACK[1]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[2] = PUSCH_x;
ulsch->q_ACK[3] = PUSCH_x;//1;
ulsch->q_ACK[4] = (ack_parity+wACK[wACK_idx][0])&1;
ulsch->q_ACK[5] = (ulsch->o_ACK[0]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[6] = PUSCH_x;
ulsch->q_ACK[7] = PUSCH_x;//1;
ulsch->q_ACK[8] = (ulsch->o_ACK[1]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[9] = (ack_parity+wACK[wACK_idx][1])&1;
ulsch->q_ACK[10] = PUSCH_x;
ulsch->q_ACK[11] = PUSCH_x;//1;
len_ACK = 12;
break;
case 6:
ulsch->q_ACK[0] = (ulsch->o_ACK[0]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[1] = (ulsch->o_ACK[1]+wACK[wACK_idx][0])&1;
ulsch->q_ACK[2] = PUSCH_x;
ulsch->q_ACK[3] = PUSCH_x;
ulsch->q_ACK[4] = PUSCH_x;
ulsch->q_ACK[5] = PUSCH_x;
ulsch->q_ACK[6] = (ack_parity+wACK[wACK_idx][0])&1;
ulsch->q_ACK[7] = (ulsch->o_ACK[0]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[8] = PUSCH_x;
ulsch->q_ACK[9] = PUSCH_x;
ulsch->q_ACK[10] = PUSCH_x;
ulsch->q_ACK[11] = PUSCH_x;
ulsch->q_ACK[12] = (ulsch->o_ACK[1]+wACK[wACK_idx][1])&1;
ulsch->q_ACK[13] = (ack_parity+wACK[wACK_idx][1])&1;
ulsch->q_ACK[14] = PUSCH_x;
ulsch->q_ACK[15] = PUSCH_x;
ulsch->q_ACK[16] = PUSCH_x;
ulsch->q_ACK[17] = PUSCH_x;
len_ACK = 18;
break;
}
}
if (ulsch->harq_processes[harq_pid]->O_ACK > 2) {
LOG_E(PHY,"ACK cannot be more than 2 bits yet\n");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
// channel multiplexing/interleaving
start_meas(m_stats);
Hpp = Hprime + Q_RI;
Cmux = ulsch->Nsymb_pusch;
Rmux = Hpp*Q_m/Cmux;
Rmux_prime = Rmux/Q_m;
Qprime_RI = Q_RI / Q_m;
Qprime_ACK = Q_ACK / Q_m;
Qprime_CQI = Q_CQI / Q_m;
// printf("Qprime_CQI = %d\n",Qprime_CQI);
// RI BITS
memset(y,LTE_NULL,Q_m*Hpp);
if (frame_parms->Ncp == 0)
columnset = cs_ri_normal;
else
columnset = cs_ri_extended;
j=0;
for (i=0; i<Qprime_RI; i++) {
r = Rmux_prime - 1 - (i>>2);
for (q=0; q<Q_m; q++) {
y[q+(Q_m*((r*Cmux) + columnset[j]))] = ulsch->q_RI[(q+(Q_m*i))%len_RI];
// printf("ri[%d] %d => y[%d]\n",q+(Q_m*i)%len_RI,ulsch->q_RI[(q+(Q_m*i))%len_RI],q+(Q_m*((r*Cmux) + columnset[j])),y[q+(Q_m*((r*Cmux) + columnset[j]))]);
}
j=(j+3)&3;
}
// CQI and Data bits
j=0;
/*
for (i=0,iprime=-Qprime_CQI;i<Hprime;i++,iprime++) {
while (y[Q_m*j] != LTE_NULL) j++;
if (i<Qprime_CQI) {
for (q=0;q<Q_m;q++) {
y[q+(Q_m*j)] = ulsch->q[q+(Q_m*i)];
//printf("cqi[%d] %d => y[%d]\n",q+(Q_m*i),ulsch->q[q+(Q_m*i)],q+(Q_m*j));
}
}
else {
for (q=0;q<Q_m;q++) {
y[q+(Q_m*j)] = ulsch->e[q+(Q_m*iprime)];
// printf("e[%d] %d => y[%d]\n",q+(Q_m*iprime),ulsch->e[q+(Q_m*iprime)],q+(Q_m*j));
}
}
j++;
}
*/
for (i=0; i<Qprime_CQI; i++) {
while (y[Q_m*j] != LTE_NULL) j++;
for (q=0; q<Q_m; q++) {
y[q+(Q_m*j)] = ulsch->q[q+(Q_m*i)];
// printf("cqi[%d] %d => y[%d] (j %d)\n",q+(Q_m*i),ulsch->q[q+(Q_m*i)],q+(Q_m*j),j);
}
j++;
}
j2 = j*Q_m;
switch (Q_m) {
case 2:
for (iprime=0; iprime<(Hprime-Qprime_CQI)<<1; iprime+=2) {
while (y[j2] != LTE_NULL) j2+=2;
y[j2] = ulsch->e[iprime];
y[1+j2] = ulsch->e[1+iprime];
j2+=2;
}
break;
case 4:
for (iprime=0; iprime<(Hprime-Qprime_CQI)<<2; iprime+=4) {
while (y[j2] != LTE_NULL) j2+=4;
y[j2] = ulsch->e[iprime];
y[1+j2] = ulsch->e[1+iprime];
y[2+j2] = ulsch->e[2+iprime];
y[3+j2] = ulsch->e[3+iprime];
j2+=4;
}
break;
case 6:
for (iprime=0; iprime<(Hprime-Qprime_CQI)*6; iprime+=6) {
while (y[j2] != LTE_NULL) j2+=6;
y[j2] = ulsch->e[iprime];
y[1+j2] = ulsch->e[1+iprime];
y[2+j2] = ulsch->e[2+iprime];
y[3+j2] = ulsch->e[3+iprime];
y[4+j2] = ulsch->e[4+iprime];
y[5+j2] = ulsch->e[5+iprime];
j2+=6;
}
break;
}
// HARQ-ACK Bits (Note these overwrite some bits)
if (frame_parms->Ncp == 0)
columnset = cs_ack_normal;
else
columnset = cs_ack_extended;
j=0;
for (i=0; i<Qprime_ACK; i++) {
r = Rmux_prime - 1 - (i>>2);
for (q=0; q<Q_m; q++) {
y[q+(Q_m*((r*Cmux) + columnset[j]))] = ulsch->q_ACK[(q+(Q_m*i))%len_ACK];
#ifdef DEBUG_ULSCH_CODING
printf("ulsch_coding.c: ACK %d => y[%d]=%d (i %d, r*Cmux %d, columnset %d)\n",q+(Q_m*i),
q+(Q_m*((r*Cmux) + columnset[j])),ulsch->q_ACK[(q+(Q_m*i))%len_ACK],
i,r*Cmux,columnset[j]);
#endif
}
j=(j+3)&3;
}
// write out buffer
j=0;
switch (Q_m) {
case 2:
for (i=0; i<Cmux; i++)
for (r=0; r<Rmux_prime; r++) {
yptr=&y[((r*Cmux)+i)<<1];
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
}
break;
case 4:
for (i=0; i<Cmux; i++)
for (r=0; r<Rmux_prime; r++) {
yptr = &y[((r*Cmux)+i)<<2];
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
}
break;
case 6:
for (i=0; i<Cmux; i++)
for (r=0; r<Rmux_prime; r++) {
yptr = &y[((r*Cmux)+i)*6];
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
ulsch->h[j++] = *yptr++;
}
break;
default:
break;
}
stop_meas(m_stats);
if (j!=(H+Q_RI)) {
LOG_E(PHY,"Error in output buffer length (j %d, H+Q_RI %d)\n",j,H+Q_RI);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(-1);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
return(0);
}
openair1/PHY/LTE_TRANSPORT/ulsch_modulation.c deleted 100644 → 0
View file @ 016185c1
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/ulsch_modulation.c
* \brief Top-level routines for generating PUSCH physical channel from 36.211 V8.6 2009-03
* \author R. Knopp, F. Kaltenberger, A. Bhamri
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr,ankit.bhamri@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "PHY/CODING/defs.h"
#include "PHY/CODING/extern.h"
#include "PHY/LTE_TRANSPORT/defs.h"
#include "defs.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
//#define DEBUG_ULSCH_MODULATION
#ifndef OFDMA_ULSCH
void dft_lte(int32_t *z,int32_t *d, int32_t Msc_PUSCH, uint8_t Nsymb)
{
#if defined(__x86_64__) || defined(__i386__)
__m128i dft_in128[4][1200],dft_out128[4][1200];
#elif defined(__arm__)
int16x8_t dft_in128[4][1200],dft_out128[4][1200];
#endif
uint32_t *dft_in0=(uint32_t*)dft_in128[0],*dft_out0=(uint32_t*)dft_out128[0];
uint32_t *dft_in1=(uint32_t*)dft_in128[1],*dft_out1=(uint32_t*)dft_out128[1];
uint32_t *dft_in2=(uint32_t*)dft_in128[2],*dft_out2=(uint32_t*)dft_out128[2];
// uint32_t *dft_in3=(uint32_t*)dft_in128[3],*dft_out3=(uint32_t*)dft_out128[3];
uint32_t *d0,*d1,*d2,*d3,*d4,*d5,*d6,*d7,*d8,*d9,*d10,*d11;
uint32_t *z0,*z1,*z2,*z3,*z4,*z5,*z6,*z7,*z8,*z9,*z10,*z11;
uint32_t i,ip;
#if defined(__x86_64__) || defined(__i386__)
__m128i norm128;
#elif defined(__arm__)
int16x8_t norm128;
#endif
// printf("Doing lte_dft for Msc_PUSCH %d\n",Msc_PUSCH);
d0 = (uint32_t *)d;
d1 = d0+Msc_PUSCH;
d2 = d1+Msc_PUSCH;
d3 = d2+Msc_PUSCH;
d4 = d3+Msc_PUSCH;
d5 = d4+Msc_PUSCH;
d6 = d5+Msc_PUSCH;
d7 = d6+Msc_PUSCH;
d8 = d7+Msc_PUSCH;
d9 = d8+Msc_PUSCH;
d10 = d9+Msc_PUSCH;
d11 = d10+Msc_PUSCH;
// printf("symbol 0 (d0 %p, d %p)\n",d0,d);
for (i=0,ip=0; i<Msc_PUSCH; i++,ip+=4) {
dft_in0[ip] = d0[i];
dft_in0[ip+1] = d1[i];
dft_in0[ip+2] = d2[i];
dft_in0[ip+3] = d3[i];
dft_in1[ip] = d4[i];
dft_in1[ip+1] = d5[i];
dft_in1[ip+2] = d6[i];
dft_in1[ip+3] = d7[i];
dft_in2[ip] = d8[i];
dft_in2[ip+1] = d9[i];
dft_in2[ip+2] = d10[i];
dft_in2[ip+3] = d11[i];
// printf("dft%d %d: %d,%d,%d,%d\n",Msc_PUSCH,ip,d0[i],d1[i],d2[i],d3[i]);
// dft_in_re2[ip+1] = d9[i];
// dft_in_re2[ip+2] = d10[i];
}
// printf("\n");
switch (Msc_PUSCH) {
case 12:
dft12((int16_t *)dft_in0,(int16_t *)dft_out0);
dft12((int16_t *)dft_in1,(int16_t *)dft_out1);
dft12((int16_t *)dft_in2,(int16_t *)dft_out2);
/*
dft12f(&((__m128i *)dft_in0)[0],&((__m128i *)dft_in0)[1],&((__m128i *)dft_in0)[2],&((__m128i *)dft_in0)[3],&((__m128i *)dft_in0)[4],&((__m128i *)dft_in0)[5],&((__m128i *)dft_in0)[6],&((__m128i *)dft_in0)[7],&((__m128i *)dft_in0)[8],&((__m128i *)dft_in0)[9],&((__m128i *)dft_in0)[10],&((__m128i *)dft_in0)[11],
&((__m128i *)dft_out0)[0],&((__m128i *)dft_out0)[1],&((__m128i *)dft_out0)[2],&((__m128i *)dft_out0)[3],&((__m128i *)dft_out0)[4],&((__m128i *)dft_out0)[5],&((__m128i *)dft_out0)[6],&((__m128i *)dft_out0)[7],&((__m128i *)dft_out0)[8],&((__m128i *)dft_out0)[9],&((__m128i *)dft_out0)[10],&((__m128i *)dft_out0)[11]);
dft12f(&((__m128i *)dft_in1)[0],&((__m128i *)dft_in1)[1],&((__m128i *)dft_in1)[2],&((__m128i *)dft_in1)[3],&((__m128i *)dft_in1)[4],&((__m128i *)dft_in1)[5],&((__m128i *)dft_in1)[6],&((__m128i *)dft_in1)[7],&((__m128i *)dft_in1)[8],&((__m128i *)dft_in1)[9],&((__m128i *)dft_in1)[10],&((__m128i *)dft_in1)[11],
&((__m128i *)dft_out1)[0],&((__m128i *)dft_out1)[1],&((__m128i *)dft_out1)[2],&((__m128i *)dft_out1)[3],&((__m128i *)dft_out1)[4],&((__m128i *)dft_out1)[5],&((__m128i *)dft_out1)[6],&((__m128i *)dft_out1)[7],&((__m128i *)dft_out1)[8],&((__m128i *)dft_out1)[9],&((__m128i *)dft_out1)[10],&((__m128i *)dft_out1)[11]);
dft12f(&((__m128i *)dft_in2)[0],&((__m128i *)dft_in2)[1],&((__m128i *)dft_in2)[2],&((__m128i *)dft_in2)[3],&((__m128i *)dft_in2)[4],&((__m128i *)dft_in2)[5],&((__m128i *)dft_in2)[6],&((__m128i *)dft_in2)[7],&((__m128i *)dft_in2)[8],&((__m128i *)dft_in2)[9],&((__m128i *)dft_in2)[10],&((__m128i *)dft_in2)[11],
&((__m128i *)dft_out2)[0],&((__m128i *)dft_out2)[1],&((__m128i *)dft_out2)[2],&((__m128i *)dft_out2)[3],&((__m128i *)dft_out2)[4],&((__m128i *)dft_out2)[5],&((__m128i *)dft_out2)[6],&((__m128i *)dft_out2)[7],&((__m128i *)dft_out2)[8],&((__m128i *)dft_out2)[9],&((__m128i *)dft_out2)[10],&((__m128i *)dft_out2)[11]);
*/
#if defined(__x86_64__) || defined(__i386__)
norm128 = _mm_set1_epi16(9459);
#elif defined(__arm__)
norm128 = vdupq_n_s16(9459);
#endif
for (i=0; i<12; i++) {
#if defined(__x86_64__) || defined(__i386__)
((__m128i*)dft_out0)[i] = _mm_slli_epi16(_mm_mulhi_epi16(((__m128i*)dft_out0)[i],norm128),1);
((__m128i*)dft_out1)[i] = _mm_slli_epi16(_mm_mulhi_epi16(((__m128i*)dft_out1)[i],norm128),1);
((__m128i*)dft_out2)[i] = _mm_slli_epi16(_mm_mulhi_epi16(((__m128i*)dft_out2)[i],norm128),1);
#elif defined(__arm__)
((int16x8_t*)dft_out0)[i] = vqdmulhq_s16(((int16x8_t*)dft_out0)[i],norm128);
((int16x8_t*)dft_out1)[i] = vqdmulhq_s16(((int16x8_t*)dft_out1)[i],norm128);
((int16x8_t*)dft_out2)[i] = vqdmulhq_s16(((int16x8_t*)dft_out2)[i],norm128);
#endif
}
break;
case 24:
dft24((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft24((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft24((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 36:
dft36((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft36((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft36((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 48:
dft48((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft48((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft48((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 60:
dft60((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft60((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft60((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 72:
dft72((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft72((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft72((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 96:
dft96((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft96((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft96((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 108:
dft108((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft108((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft108((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 120:
dft120((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft120((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft120((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 144:
dft144((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft144((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft144((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 180:
dft180((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft180((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft180((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 192:
dft192((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft192((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft192((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 216:
dft216((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft216((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft216((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 240:
dft240((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft240((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft240((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 288:
dft288((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft288((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft288((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 300:
dft300((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft300((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft300((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 324:
dft324((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft324((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft324((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 360:
dft360((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft360((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft360((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 384:
dft384((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft384((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft384((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 432:
dft432((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft432((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft432((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 480:
dft480((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft480((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft480((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 540:
dft540((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft540((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft540((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 576:
dft576((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft576((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft576((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 600:
dft600((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft600((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft600((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 648:
dft648((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft648((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft648((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 720:
dft720((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft720((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft720((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 864:
dft864((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft864((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft864((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 900:
dft900((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft900((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft900((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 960:
dft960((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft960((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft960((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 972:
dft972((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft972((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft972((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 1080:
dft1080((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft1080((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft1080((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 1152:
dft1152((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft1152((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft1152((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
case 1200:
dft1200((int16_t*)dft_in0,(int16_t*)dft_out0,1);
dft1200((int16_t*)dft_in1,(int16_t*)dft_out1,1);
dft1200((int16_t*)dft_in2,(int16_t*)dft_out2,1);
break;
}
z0 = (uint32_t *)z;
z1 = z0+Msc_PUSCH;
z2 = z1+Msc_PUSCH;
z3 = z2+Msc_PUSCH;
z4 = z3+Msc_PUSCH;
z5 = z4+Msc_PUSCH;
z6 = z5+Msc_PUSCH;
z7 = z6+Msc_PUSCH;
z8 = z7+Msc_PUSCH;
z9 = z8+Msc_PUSCH;
z10 = z9+Msc_PUSCH;
z11 = z10+Msc_PUSCH;
// printf("symbol0 (dft)\n");
for (i=0,ip=0; i<Msc_PUSCH; i++,ip+=4) {
z0[i] = dft_out0[ip];
// printf("%d,%d,",((short*)&z0[i])[0],((short*)&z0[i])[1]);
z1[i] = dft_out0[ip+1];
z2[i] = dft_out0[ip+2];
z3[i] = dft_out0[ip+3];
z4[i] = dft_out1[ip+0];
z5[i] = dft_out1[ip+1];
z6[i] = dft_out1[ip+2];
z7[i] = dft_out1[ip+3];
z8[i] = dft_out2[ip];
z9[i] = dft_out2[ip+1];
z10[i] = dft_out2[ip+2];
z11[i] = dft_out2[ip+3];
// printf("out dft%d %d: %d,%d,%d,%d,%d,%d,%d,%d\n",Msc_PUSCH,ip,z0[i],z1[i],z2[i],z3[i],z4[i],z5[i],z6[i],z7[i]);
}
// printf("\n");
}
#endif
void ulsch_modulation(int32_t **txdataF,
short amp,
uint32_t frame,
uint32_t subframe,
LTE_DL_FRAME_PARMS *frame_parms,
LTE_UE_ULSCH_t *ulsch)
{
uint8_t qam64_table_offset_re = 0;
uint8_t qam64_table_offset_im = 0;
uint8_t qam16_table_offset_re = 0;
uint8_t qam16_table_offset_im = 0;
short gain_lin_QPSK;
DevAssert(frame_parms);
int re_offset,re_offset0,i,Msymb,j,k,nsymb,Msc_PUSCH,l;
// uint8_t harq_pid = (rag_flag == 1) ? 0 : subframe2harq_pid_tdd(frame_parms->tdd_config,subframe);
uint8_t harq_pid = subframe2harq_pid(frame_parms,frame,subframe);
uint8_t Q_m;
int32_t *txptr;
uint32_t symbol_offset;
uint16_t first_rb;
uint16_t nb_rb;
int G;
uint32_t x1, x2, s=0;
uint8_t c;
if (!ulsch) {
printf("ulsch_modulation.c: Null ulsch\n");
return;
}
// x1 is set in lte_gold_generic
x2 = (ulsch->rnti<<14) + (subframe<<9) + frame_parms->Nid_cell; //this is c_init in 36.211 Sec 6.3.1
if (harq_pid>=8) {
printf("ulsch_modulation.c: Illegal harq_pid %d\n",harq_pid);
return;
}
first_rb = ulsch->harq_processes[harq_pid]->first_rb;
nb_rb = ulsch->harq_processes[harq_pid]->nb_rb;
if (nb_rb == 0) {
printf("ulsch_modulation.c: Frame %d, Subframe %d Illegal nb_rb %d\n",frame,subframe,nb_rb);
return;
}
if (first_rb > frame_parms->N_RB_UL) {
printf("ulsch_modulation.c: Frame %d, Subframe %d Illegal first_rb %d\n",frame,subframe,first_rb);
return;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_MODULATION, VCD_FUNCTION_IN);
Q_m = get_Qm_ul(ulsch->harq_processes[harq_pid]->mcs);
G = (int)ulsch->harq_processes[harq_pid]->nb_rb * (12 * Q_m) * (ulsch->Nsymb_pusch);
// Mapping
nsymb = (frame_parms->Ncp==0) ? 14:12;
Msc_PUSCH = ulsch->harq_processes[harq_pid]->nb_rb*12;
#ifdef DEBUG_ULSCH_MODULATION
LOG_D(PHY,"ulsch_modulation.c: Doing modulation (rnti %x,x2 %x) for G=%d bits, harq_pid %d , nb_rb %d, Q_m %d, Nsymb_pusch %d (nsymb %d), subframe %d\n",
ulsch->rnti,x2,G,harq_pid,ulsch->harq_processes[harq_pid]->nb_rb,Q_m, ulsch->Nsymb_pusch,nsymb,subframe);
#endif
// scrambling (Note the placeholding bits are handled in ulsch_coding.c directly!)
//printf("ulsch bits: ");
s = lte_gold_generic(&x1, &x2, 1);
k=0;
//printf("G %d\n",G);
for (i=0; i<(1+(G>>5)); i++) {
for (j=0; j<32; j++,k++) {
c = (uint8_t)((s>>j)&1);
if (ulsch->h[k] == PUSCH_x) {
// printf("i %d: PUSCH_x\n",i);
ulsch->b_tilde[k] = 1;
} else if (ulsch->h[k] == PUSCH_y) {
// printf("i %d: PUSCH_y\n",i);
ulsch->b_tilde[k] = ulsch->b_tilde[k-1];
} else {
ulsch->b_tilde[k] = (ulsch->h[k]+c)&1;
// printf("i %d : %d (h %d c %d)\n", (i<<5)+j,ulsch->b_tilde[k],ulsch->h[k],c);
}
}
s = lte_gold_generic(&x1, &x2, 0);
}
//printf("\n");
gain_lin_QPSK = (short)((amp*ONE_OVER_SQRT2_Q15)>>15);
// Modulation
Msymb = G/Q_m;
if(ulsch->cooperation_flag == 2)
// For Distributed Alamouti Scheme in Collabrative Communication
{
for (i=0,j=Q_m; i<Msymb; i+=2,j+=2*Q_m) {
switch (Q_m) {
case 2:
//UE1, -x1*
((int16_t*)&ulsch->d[i])[0] = (ulsch->b_tilde[j] == 1) ? (gain_lin_QPSK) : -gain_lin_QPSK;
((int16_t*)&ulsch->d[i])[1] = (ulsch->b_tilde[j+1] == 1)? (-gain_lin_QPSK) : gain_lin_QPSK;
// if (i<Msc_PUSCH)
// printf("input %d (%p): %d,%d\n", i,&ulsch->d[i],((int16_t*)&ulsch->d[i])[0],((int16_t*)&ulsch->d[i])[1]);
// UE1, x0*
((int16_t*)&ulsch->d[i+1])[0] = (ulsch->b_tilde[j-2] == 1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&ulsch->d[i+1])[1] = (ulsch->b_tilde[j-1] == 1)? (gain_lin_QPSK) : -gain_lin_QPSK;
break;
case 4:
//UE1,-x1*
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (ulsch->b_tilde[j] == 1)
qam16_table_offset_re+=2;
if (ulsch->b_tilde[j+1] == 1)
qam16_table_offset_im+=2;
if (ulsch->b_tilde[j+2] == 1)
qam16_table_offset_re+=1;
if (ulsch->b_tilde[j+3] == 1)
qam16_table_offset_im+=1;
((int16_t*)&ulsch->d[i])[0]=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&ulsch->d[i])[1]=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
//UE1,x0*
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (ulsch->b_tilde[j-4] == 1)
qam16_table_offset_re+=2;
if (ulsch->b_tilde[j-3] == 1)
qam16_table_offset_im+=2;
if (ulsch->b_tilde[j-2] == 1)
qam16_table_offset_re+=1;
if (ulsch->b_tilde[j-1] == 1)
qam16_table_offset_im+=1;
// ((int16_t*)&ulsch->d[i+1])[0]=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
// ((int16_t*)&ulsch->d[i+1])[1]=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
((int16_t*)&ulsch->d[i+1])[0]=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&ulsch->d[i+1])[1]=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
break;
case 6:
//UE1,-x1*FPGA_UE
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (ulsch->b_tilde[j] == 1)
qam64_table_offset_re+=4;
if (ulsch->b_tilde[j+1] == 1)
qam64_table_offset_im+=4;
if (ulsch->b_tilde[j+2] == 1)
qam64_table_offset_re+=2;
if (ulsch->b_tilde[j+3] == 1)
qam64_table_offset_im+=2;
if (ulsch->b_tilde[j+4] == 1)
qam64_table_offset_re+=1;
if (ulsch->b_tilde[j+5] == 1)
qam64_table_offset_im+=1;
((int16_t*)&ulsch->d[i])[0]=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&ulsch->d[i])[1]=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
//UE1,x0*
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (ulsch->b_tilde[j-6] == 1)
qam64_table_offset_re+=4;
if (ulsch->b_tilde[j-5] == 1)
qam64_table_offset_im+=4;
if (ulsch->b_tilde[j-4] == 1)
qam64_table_offset_re+=2;
if (ulsch->b_tilde[j-3] == 1)
qam64_table_offset_im+=2;
if (ulsch->b_tilde[j-2] == 1)
qam64_table_offset_re+=1;
if (ulsch->b_tilde[j-1] == 1)
qam64_table_offset_im+=1;
((int16_t*)&ulsch->d[i+1])[0]=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&ulsch->d[i+1])[1]=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
break;
}//switch
}//for
}//cooperation_flag == 2
else {
for (i=0,j=0; i<Msymb; i++,j+=Q_m) {
switch (Q_m) {
case 2:
// TODO: this has to be updated!!!
((int16_t*)&ulsch->d[i])[0] = (ulsch->b_tilde[j] == 1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
((int16_t*)&ulsch->d[i])[1] = (ulsch->b_tilde[j+1] == 1)? (-gain_lin_QPSK) : gain_lin_QPSK;
// if (i<Msc_PUSCH)
// printf("input %d/%d Msc_PUSCH %d (%p): %d,%d\n", i,Msymb,Msc_PUSCH,&ulsch->d[i],((int16_t*)&ulsch->d[i])[0],((int16_t*)&ulsch->d[i])[1]);
break;
case 4:
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (ulsch->b_tilde[j] == 1)
qam16_table_offset_re+=2;
if (ulsch->b_tilde[j+1] == 1)
qam16_table_offset_im+=2;
if (ulsch->b_tilde[j+2] == 1)
qam16_table_offset_re+=1;
if (ulsch->b_tilde[j+3] == 1)
qam16_table_offset_im+=1;
((int16_t*)&ulsch->d[i])[0]=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&ulsch->d[i])[1]=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
// printf("input(16qam) %d (%p): %d,%d\n", i,&ulsch->d[i],((int16_t*)&ulsch->d[i])[0],((int16_t*)&ulsch->d[i])[1]);
break;
case 6:
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (ulsch->b_tilde[j] == 1)
qam64_table_offset_re+=4;
if (ulsch->b_tilde[j+1] == 1)
qam64_table_offset_im+=4;
if (ulsch->b_tilde[j+2] == 1)
qam64_table_offset_re+=2;
if (ulsch->b_tilde[j+3] == 1)
qam64_table_offset_im+=2;
if (ulsch->b_tilde[j+4] == 1)
qam64_table_offset_re+=1;
if (ulsch->b_tilde[j+5] == 1)
qam64_table_offset_im+=1;
((int16_t*)&ulsch->d[i])[0]=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&ulsch->d[i])[1]=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
break;
}
}
}// normal symbols
// Transform Precoding
#ifdef OFDMA_ULSCH
for (i=0; i<Msymb; i++) {
ulsch->z[i] = ulsch->d[i];
}
#else
dft_lte(ulsch->z,ulsch->d,Msc_PUSCH,ulsch->Nsymb_pusch);
#endif
DevAssert(txdataF);
#ifdef OFDMA_ULSCH
re_offset0 = frame_parms->first_carrier_offset + (ulsch->harq_processes[harq_pid]->first_rb*12);
if (re_offset0>frame_parms->ofdm_symbol_size) {
re_offset0 -= frame_parms->ofdm_symbol_size;
// re_offset0++;
}
// printf("re_offset0 %d\n",re_offset0);
for (j=0,l=0; l<(nsymb-ulsch->srs_active); l++) {
re_offset = re_offset0;
symbol_offset = (int)frame_parms->ofdm_symbol_size*(l+(subframe*nsymb));
#ifdef DEBUG_ULSCH_MODULATION
printf("symbol %d (subframe %d): symbol_offset %d\n",l,subframe,symbol_offset);
#endif
txptr = &txdataF[0][symbol_offset];
if (((frame_parms->Ncp == 0) && ((l==3) || (l==10)))||
((frame_parms->Ncp == 1) && ((l==2) || (l==8)))) {
}
// Skip reference symbols
else {
// printf("copying %d REs\n",Msc_PUSCH);
for (i=0; i<Msc_PUSCH; i++,j++) {
#ifdef DEBUG_ULSCH_MODULATION
printf("re_offset %d (%p): %d,%d\n", re_offset,&ulsch->z[j],((int16_t*)&ulsch->z[j])[0],((int16_t*)&ulsch->z[j])[1]);
#endif
txptr[re_offset++] = ulsch->z[j];
if (re_offset==frame_parms->ofdm_symbol_size)
re_offset = 0;
}
}
}
# else // OFDMA_ULSCH = 0
re_offset0 = frame_parms->first_carrier_offset + (ulsch->harq_processes[harq_pid]->first_rb*12);
if (re_offset0>frame_parms->ofdm_symbol_size) {
re_offset0 -= frame_parms->ofdm_symbol_size;
// re_offset0++;
}
// printf("re_offset0 %d\n",re_offset0);
// printf("txdataF %p\n",&txdataF[0][0]);
for (j=0,l=0; l<(nsymb-ulsch->srs_active); l++) {
re_offset = re_offset0;
symbol_offset = (uint32_t)frame_parms->ofdm_symbol_size*(l+(subframe*nsymb));
#ifdef DEBUG_ULSCH_MODULATION
printf("ulsch_mod (SC-FDMA) symbol %d (subframe %d): symbol_offset %d\n",l,subframe,symbol_offset);
#endif
txptr = &txdataF[0][symbol_offset];
if (((frame_parms->Ncp == 0) && ((l==3) || (l==10)))||
((frame_parms->Ncp == 1) && ((l==2) || (l==8)))) {
}
// Skip reference symbols
else {
// printf("copying %d REs\n",Msc_PUSCH);
for (i=0; i<Msc_PUSCH; i++,j++) {
#ifdef DEBUG_ULSCH_MODULATION
printf("re_offset %d (%p): %d,%d => %p\n", re_offset,&ulsch->z[j],((int16_t*)&ulsch->z[j])[0],((int16_t*)&ulsch->z[j])[1],&txptr[re_offset]);
#endif //DEBUG_ULSCH_MODULATION
txptr[re_offset++] = ulsch->z[j];
if (re_offset==frame_parms->ofdm_symbol_size)
re_offset = 0;
}
}
}
#endif
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ULSCH_MODULATION, VCD_FUNCTION_OUT);
}
openair1/PHY/defs_RU.h
View file @ 9f699a8b
......@@ -35,7 +35,6 @@
#define MAX_BANDS_PER_RRU 4
#define MAX_NUM_RU_PER_gNB MAX_NUM_RU_PER_eNB
#ifdef OCP_FRAMEWORK
......
openair1/PHY/defs_gNB.h
View file @ 9f699a8b
......@@ -38,6 +38,7 @@
#include "CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#include "openair2/NR_PHY_INTERFACE/NR_IF_Module.h"
#define MAX_NUM_RU_PER_gNB MAX_NUM_RU_PER_eNB
typedef struct {
uint8_t pbch_a[NR_POLAR_PBCH_PAYLOAD_BITS>>3];
......
openair2/LAYER2/MAC/mac.h
View file @ 9f699a8b
......@@ -77,11 +77,6 @@
#include "targets/ARCH/COMMON/common_lib.h"
//solve implicit declaration
#include "PHY/LTE_ESTIMATION/lte_estimation.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "PHY/LTE_TRANSPORT/transport_common_proto.h"
/** @defgroup _mac MAC
* @ingroup _oai2
* @{
......
targets/RT/USER/lte-enb.c
View file @ 9f699a8b
......@@ -207,7 +207,7 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
// ****************************************
// Common RX procedures subframe n
T(T_GNB_PHY_DL_TICK, T_INT(eNB->Mod_id), T_INT(proc->frame_tx), T_INT(proc->subframe_tx));
T(T_ENB_PHY_DL_TICK, T_INT(eNB->Mod_id), T_INT(proc->frame_tx), T_INT(proc->subframe_tx));
// if this is IF5 or 3GPP_eNB
if (eNB && eNB->RU_list && eNB->RU_list[0] && eNB->RU_list[0]->function < NGFI_RAU_IF4p5) {
......
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