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use common LLR functions at UE for DLSCH

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This commit is contained in:
francescomani
2024-09-02 17:12:43 +02:00
parent aeb562756a
commit 98a8e5dca3
8 changed files with 29 additions and 447 deletions
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CMakeLists.txt
-1
View File
@@ -1066,7 +1066,6 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
${OPENAIR1_DIR}/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
${OPENAIR1_DIR}/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
${OPENAIR1_DIR}/PHY/NR_UE_TRANSPORT/nr_dlsch_llr_computation.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_tbs_tools.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_prach_common.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_sch_dmrs.c
doc/Doxyfile
-1
View File
@@ -2256,7 +2256,6 @@ INPUT = \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/sss_nr.c \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/dci_nr.c \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_llr_computation.c \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/nr_prach.c \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h \
@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/NR_UE_TRANSPORT/nr_ue_rf_helpers.c \
openair1/PHY/NR_TRANSPORT/nr_ulsch_llr_computation.c
+6 -6
View File
@@ -47,21 +47,21 @@ void nr_ulsch_compute_llr(int32_t *rxdataF_comp,
uint8_t symbol,
uint8_t mod_order)
{
switch(mod_order){
switch(mod_order) {
case 2:
nr_qpsk_llr(rxdataF_comp, ulsch_llr, nb_re, symbol);
nr_qpsk_llr(rxdataF_comp, ulsch_llr, nb_re);
break;
case 4:
nr_16qam_llr(rxdataF_comp, ul_ch_mag, ulsch_llr, nb_re, symbol);
nr_16qam_llr(rxdataF_comp, ul_ch_mag, ulsch_llr, nb_re);
break;
case 6:
nr_64qam_llr(rxdataF_comp, ul_ch_mag, ul_ch_magb, ulsch_llr, nb_re, symbol);
nr_64qam_llr(rxdataF_comp, ul_ch_mag, ul_ch_magb, ulsch_llr, nb_re);
break;
case 8:
nr_256qam_llr(rxdataF_comp, ul_ch_mag, ul_ch_magb, ul_ch_magc, ulsch_llr, nb_re, symbol);
nr_256qam_llr(rxdataF_comp, ul_ch_mag, ul_ch_magb, ul_ch_magc, ulsch_llr, nb_re);
break;
default:
AssertFatal(1==0,"nr_ulsch_compute_llr: invalid Qm value, symbol = %d, Qm = %d\n",symbol, mod_order);
AssertFatal(false, "nr_ulsch_compute_llr: invalid Qm value, symbol = %d, Qm = %d\n",symbol, mod_order);
break;
}
}
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+15 -16
View File
@@ -28,6 +28,7 @@
* \note
* \warning
*/
#include "nr_phy_common.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/phy_extern.h"
#include "nr_transport_proto_ue.h"
@@ -1898,33 +1899,31 @@ static int nr_dlsch_llr(uint32_t rx_size_symbol,
NR_UE_DLSCH_t dlsch[2],
uint32_t llr_offset[14])
{
uint32_t llr_offset_symbol;
if (first_symbol_flag==1)
llr_offset[symbol-1] = 0;
llr_offset_symbol = llr_offset[symbol-1];
if (first_symbol_flag == 1)
llr_offset[symbol - 1] = 0;
uint32_t llr_offset_symbol = llr_offset[symbol - 1];
llr_offset[symbol] = len*dlsch[0].dlsch_config.qamModOrder + llr_offset_symbol;
llr_offset[symbol] = len * dlsch[0].dlsch_config.qamModOrder + llr_offset_symbol;
switch (dlsch[0].dlsch_config.qamModOrder) {
case 2 :
for(int l=0; l < dlsch[0].Nl; l++)
nr_dlsch_qpsk_llr(frame_parms, rxdataF_comp[l][0], layer_llr[l] + llr_offset_symbol, symbol, len, first_symbol_flag, nb_rb);
for(int l = 0; l < dlsch[0].Nl; l++)
nr_qpsk_llr(&rxdataF_comp[l][0][symbol * nb_rb * 12], layer_llr[l] + llr_offset_symbol, len);
break;
case 4 :
for(int l=0; l < dlsch[0].Nl; l++)
nr_dlsch_16qam_llr(frame_parms, rxdataF_comp[l][0], layer_llr[l] + llr_offset_symbol, dl_ch_mag, symbol, len, first_symbol_flag, nb_rb);
for(int l = 0; l < dlsch[0].Nl; l++)
nr_16qam_llr(&rxdataF_comp[l][0][symbol * nb_rb * 12], dl_ch_mag, layer_llr[l] + llr_offset_symbol, len);
break;
case 6 :
for(int l=0; l < dlsch[0].Nl; l++)
nr_dlsch_64qam_llr(frame_parms, rxdataF_comp[l][0], layer_llr[l] + llr_offset_symbol, dl_ch_mag, dl_ch_magb, symbol, len, first_symbol_flag, nb_rb);
nr_64qam_llr(&rxdataF_comp[l][0][symbol * nb_rb * 12], dl_ch_mag, dl_ch_magb, layer_llr[l] + llr_offset_symbol, len);
break;
case 8:
for(int l=0; l < dlsch[0].Nl; l++)
nr_dlsch_256qam_llr(frame_parms, rxdataF_comp[l][0], layer_llr[l] + llr_offset_symbol, dl_ch_mag, dl_ch_magb, dl_ch_magr, symbol, len, first_symbol_flag, nb_rb);
nr_256qam_llr(&rxdataF_comp[l][0][symbol * nb_rb * 12], dl_ch_mag, dl_ch_magb, dl_ch_magr, layer_llr[l] + llr_offset_symbol, len);
break;
default:
@@ -1937,19 +1936,19 @@ static int nr_dlsch_llr(uint32_t rx_size_symbol,
if (dlsch1_harq) {
switch (dlsch[1].dlsch_config.qamModOrder) {
case 2 :
nr_dlsch_qpsk_llr(frame_parms, rxdataF_comp[0][0], layer_llr[0] + llr_offset_symbol, symbol, len, first_symbol_flag, nb_rb);
nr_qpsk_llr(&rxdataF_comp[0][0][symbol * nb_rb * 12], layer_llr[0] + llr_offset_symbol, len);
break;
case 4:
nr_dlsch_16qam_llr(frame_parms, rxdataF_comp[0][0], layer_llr[0] + llr_offset_symbol, dl_ch_mag, symbol, len, first_symbol_flag, nb_rb);
nr_16qam_llr(&rxdataF_comp[0][0][symbol * nb_rb * 12], dl_ch_mag, layer_llr[0] + llr_offset_symbol, len);
break;
case 6 :
nr_dlsch_64qam_llr(frame_parms, rxdataF_comp[0][0], layer_llr[0] + llr_offset_symbol, dl_ch_mag, dl_ch_magb, symbol, len, first_symbol_flag, nb_rb);
nr_64qam_llr(&rxdataF_comp[0][0][symbol * nb_rb * 12], dl_ch_mag, dl_ch_magb, layer_llr[0] + llr_offset_symbol, len);
break;
case 8 :
nr_dlsch_256qam_llr(frame_parms, rxdataF_comp[0][0], layer_llr[0] + llr_offset_symbol, dl_ch_mag, dl_ch_magb, dl_ch_magr, symbol, len, first_symbol_flag, nb_rb);
nr_256qam_llr(&rxdataF_comp[0][0][symbol * nb_rb * 12], dl_ch_mag, dl_ch_magb, dl_ch_magr, layer_llr[0] + llr_offset_symbol, len);
break;
default:
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_llr_computation.c
-329
View File
@@ -1,329 +0,0 @@
/*
* 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/NR_UE_TRANSPORT/nr_dlsch_llr_computation.c
* \brief Top-level routines for LLR computation of the PDSCH physical channel
* \author H. WANG
* \date 2018
* \version 0.1
* \company Eurecom
* \email:
* \note
* \warning
*/
#include "PHY/defs_nr_UE.h"
#include "PHY/phy_extern_nr_ue.h"
#include "nr_transport_proto_ue.h"
#include "PHY/TOOLS/tools_defs.h"
#include "PHY/sse_intrin.h"
#ifdef __aarch64__
#define USE_128BIT
#endif
//#define DEBUG_LLR_SIC
//==============================================================================================
// SINGLE-STREAM
//==============================================================================================
//----------------------------------------------------------------------------------------------
// QPSK
//----------------------------------------------------------------------------------------------
int nr_dlsch_qpsk_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb)
{
c16_t *rxF = (c16_t *)&rxdataF_comp[((int32_t)symbol*nb_rb*12)];
c16_t *llr32 = (c16_t *)dlsch_llr;
int i;
if (!llr32) {
LOG_E(PHY,"nr_dlsch_qpsk_llr: llr is null, symbol %d, llr32=%p\n",symbol, llr32);
return(-1);
}
/*
LOG_I(PHY,"dlsch_qpsk_llr: [symb %d / Length %d]: @LLR Buff %x, @LLR Buff(symb) %x \n",
symbol,
len,
dlsch_llr,
llr32);
*/
for (i=0; i<len; i++) {
//*llr32 = *rxF;
llr32->r = rxF->r >> 3;
llr32->i = rxF->i >> 3;
LOG_D(PHY,"dlsch_qpsk_llr %d : (%d,%d)\n", i, llr32->r, llr32->i);
rxF++;
llr32++;
}
return(0);
}
//----------------------------------------------------------------------------------------------
// 16-QAM
//----------------------------------------------------------------------------------------------
void nr_dlsch_16qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb)
{
simde__m128i *rxF = (simde__m128i*)&rxdataF_comp[(symbol*nb_rb*12)];
simde__m128i *ch_mag;
simde__m128i llr128[2];
uint32_t *llr32;
int i;
unsigned char len_mod4=0;
llr32 = (uint32_t*)dlsch_llr;
ch_mag = (simde__m128i *)dl_ch_mag;
// printf("len=%d\n", len);
len_mod4 = len&3;
// printf("len_mod4=%d\n", len_mod4);
len>>=2; // length in quad words (4 REs)
// printf("len>>=2=%d\n", len);
len+=(len_mod4==0 ? 0 : 1);
// printf("len+=%d\n", len);
for (i=0; i<len; i++) {
simde__m128i xmm0 =simde_mm_abs_epi16(rxF[i]);
xmm0 =simde_mm_subs_epi16(ch_mag[i],xmm0);
// lambda_1=y_R, lambda_2=|y_R|-|h|^2, lamda_3=y_I, lambda_4=|y_I|-|h|^2
llr128[0] =simde_mm_unpacklo_epi32(rxF[i],xmm0);
llr128[1] =simde_mm_unpackhi_epi32(rxF[i],xmm0);
llr32[0] =simde_mm_extract_epi32(llr128[0],0); //((uint32_t *)&llr128[0])[0];
llr32[1] =simde_mm_extract_epi32(llr128[0],1); //((uint32_t *)&llr128[0])[1];
llr32[2] =simde_mm_extract_epi32(llr128[0],2); //((uint32_t *)&llr128[0])[2];
llr32[3] =simde_mm_extract_epi32(llr128[0],3); //((uint32_t *)&llr128[0])[3];
llr32[4] =simde_mm_extract_epi32(llr128[1],0); //((uint32_t *)&llr128[1])[0];
llr32[5] =simde_mm_extract_epi32(llr128[1],1); //((uint32_t *)&llr128[1])[1];
llr32[6] =simde_mm_extract_epi32(llr128[1],2); //((uint32_t *)&llr128[1])[2];
llr32[7] =simde_mm_extract_epi32(llr128[1],3); //((uint32_t *)&llr128[1])[3];
llr32+=8;
}
simde_mm_empty();
simde_m_empty();
}
//----------------------------------------------------------------------------------------------
// 64-QAM
//----------------------------------------------------------------------------------------------
void nr_dlsch_64qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
int32_t *dl_ch_magb,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb)
{
simde__m128i *rxF = (simde__m128i*)&rxdataF_comp[(symbol*nb_rb*12)];
simde__m128i *ch_mag,*ch_magb;
int i,len2;
unsigned char len_mod4;
int16_t *llr2;
llr2 = dlsch_llr;
ch_mag = (simde__m128i *)dl_ch_mag;
ch_magb = (simde__m128i *)dl_ch_magb;
// printf("nr_dlsch_64qam_llr: symbol %d,nb_rb %d, len %d,pbch_pss_sss_adjust %d\n",symbol,nb_rb,len,pbch_pss_sss_adjust);
/* LOG_I(PHY,"nr_dlsch_64qam_llr [symb %d / FirstSym %d / Length %d]: @LLR Buff %x \n",
symbol,
first_symbol_flag,
len,
dlsch_llr,
pllr_symbol);*/
len_mod4 =len&3;
len2=len>>2; // length in quad words (4 REs)
len2+=((len_mod4==0)?0:1);
for (i=0; i<len2; i++) {
simde__m128i xmm1, xmm2;
xmm1 =simde_mm_abs_epi16(rxF[i]);
xmm1 =simde_mm_subs_epi16(ch_mag[i],xmm1);
xmm2 =simde_mm_abs_epi16(xmm1);
xmm2 =simde_mm_subs_epi16(ch_magb[i],xmm2);
// loop over all LLRs in quad word (24 coded bits)
/*
for (j=0;j<8;j+=2) {
llr2[0] = ((short *)&rxF[i])[j];
llr2[1] = ((short *)&rxF[i])[j+1];
llr2[2] = ((short *)&xmm1)[j];
llr2[3] = ((short *)&xmm1)[j+1];
llr2[4] = ((short *)&xmm2)[j];
llr2[5] = ((short *)&xmm2)[j+1];
llr2+=6;
}
*/
llr2[0] = ((short *)&rxF[i])[0];
llr2[1] = ((short *)&rxF[i])[1];
llr2[2] =simde_mm_extract_epi16(xmm1,0);
llr2[3] =simde_mm_extract_epi16(xmm1,1);//((short *)&xmm1)[j+1];
llr2[4] =simde_mm_extract_epi16(xmm2,0);//((short *)&xmm2)[j];
llr2[5] =simde_mm_extract_epi16(xmm2,1);//((short *)&xmm2)[j+1];
llr2+=6;
llr2[0] = ((short *)&rxF[i])[2];
llr2[1] = ((short *)&rxF[i])[3];
llr2[2] =simde_mm_extract_epi16(xmm1,2);
llr2[3] =simde_mm_extract_epi16(xmm1,3);//((short *)&xmm1)[j+1];
llr2[4] =simde_mm_extract_epi16(xmm2,2);//((short *)&xmm2)[j];
llr2[5] =simde_mm_extract_epi16(xmm2,3);//((short *)&xmm2)[j+1];
llr2+=6;
llr2[0] = ((short *)&rxF[i])[4];
llr2[1] = ((short *)&rxF[i])[5];
llr2[2] =simde_mm_extract_epi16(xmm1,4);
llr2[3] =simde_mm_extract_epi16(xmm1,5);//((short *)&xmm1)[j+1];
llr2[4] =simde_mm_extract_epi16(xmm2,4);//((short *)&xmm2)[j];
llr2[5] =simde_mm_extract_epi16(xmm2,5);//((short *)&xmm2)[j+1];
llr2+=6;
llr2[0] = ((short *)&rxF[i])[6];
llr2[1] = ((short *)&rxF[i])[7];
llr2[2] =simde_mm_extract_epi16(xmm1,6);
llr2[3] =simde_mm_extract_epi16(xmm1,7);//((short *)&xmm1)[j+1];
llr2[4] =simde_mm_extract_epi16(xmm2,6);//((short *)&xmm2)[j];
llr2[5] =simde_mm_extract_epi16(xmm2,7);//((short *)&xmm2)[j+1];
llr2+=6;
}
simde_mm_empty();
simde_m_empty();
}
//----------------------------------------------------------------------------------------------
// 256-QAM
//----------------------------------------------------------------------------------------------
void nr_dlsch_256qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
int32_t *dl_ch_magb,
int32_t *dl_ch_magr,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb)
{
simde__m128i *rxF = (simde__m128i*)&rxdataF_comp[(symbol*nb_rb*12)];
simde__m128i *ch_mag,*ch_magb,*ch_magr;
int i,len2;
unsigned char len_mod4;
int16_t *llr2;
llr2 = dlsch_llr;
ch_mag = (simde__m128i *)dl_ch_mag;
ch_magb = (simde__m128i *)dl_ch_magb;
ch_magr = (simde__m128i *)dl_ch_magr;
len_mod4 =len&3;
len2=len>>2; // length in quad words (4 REs)
len2+=((len_mod4==0)?0:1);
for (i=0; i<len2; i++) {
simde__m128i xmm1 = simde_mm_abs_epi16(rxF[i]);
xmm1 = simde_mm_subs_epi16(ch_mag[i],xmm1);
simde__m128i xmm2 = simde_mm_abs_epi16(xmm1);
xmm2 = simde_mm_subs_epi16(ch_magb[i],xmm2);
simde__m128i xmm3 = simde_mm_abs_epi16(xmm2);
xmm3 = simde_mm_subs_epi16(ch_magr[i], xmm3);
llr2[0] = ((short *)&rxF[i])[0];
llr2[1] = ((short *)&rxF[i])[1];
llr2[2] = simde_mm_extract_epi16(xmm1,0);
llr2[3] = simde_mm_extract_epi16(xmm1,1);//((short *)&xmm1)[j+1];
llr2[4] = simde_mm_extract_epi16(xmm2,0);//((short *)&xmm2)[j];
llr2[5] = simde_mm_extract_epi16(xmm2,1);//((short *)&xmm2)[j+1];
llr2[6] = simde_mm_extract_epi16(xmm3,0);
llr2[7] = simde_mm_extract_epi16(xmm3,1);
llr2+=8;
llr2[0] = ((short *)&rxF[i])[2];
llr2[1] = ((short *)&rxF[i])[3];
llr2[2] = simde_mm_extract_epi16(xmm1,2);
llr2[3] = simde_mm_extract_epi16(xmm1,3);//((short *)&xmm1)[j+1];
llr2[4] = simde_mm_extract_epi16(xmm2,2);//((short *)&xmm2)[j];
llr2[5] = simde_mm_extract_epi16(xmm2,3);//((short *)&xmm2)[j+1];
llr2[6] = simde_mm_extract_epi16(xmm3,2);
llr2[7] = simde_mm_extract_epi16(xmm3,3);
llr2+=8;
llr2[0] = ((short *)&rxF[i])[4];
llr2[1] = ((short *)&rxF[i])[5];
llr2[2] = simde_mm_extract_epi16(xmm1,4);
llr2[3] = simde_mm_extract_epi16(xmm1,5);//((short *)&xmm1)[j+1];
llr2[4] = simde_mm_extract_epi16(xmm2,4);//((short *)&xmm2)[j];
llr2[5] = simde_mm_extract_epi16(xmm2,5);//((short *)&xmm2)[j+1];
llr2[6] = simde_mm_extract_epi16(xmm3,4);
llr2[7] = simde_mm_extract_epi16(xmm3,5);
llr2+=8;
llr2[0] = ((short *)&rxF[i])[6];
llr2[1] = ((short *)&rxF[i])[7];
llr2[2] = simde_mm_extract_epi16(xmm1,6);
llr2[3] = simde_mm_extract_epi16(xmm1,7);//((short *)&xmm1)[j+1];
llr2[4] = simde_mm_extract_epi16(xmm2,6);//((short *)&xmm2)[j];
llr2[5] = simde_mm_extract_epi16(xmm2,7);//((short *)&xmm2)[j+1];
llr2[6] = simde_mm_extract_epi16(xmm3,6);
llr2[7] = simde_mm_extract_epi16(xmm3,7);
llr2+=8;
}
simde_mm_empty();
simde_m_empty();
}
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
-74
View File
@@ -52,80 +52,6 @@
*/
void nr_ue_dlsch_init(NR_UE_DLSCH_t *dlsch_list, int num_dlsch, uint8_t max_ldpc_iterations);
/** \brief This function generates log-likelihood ratios (decoder input) for single-stream QPSK received waveforms
@param frame_parms Frame descriptor structure
@param rxdataF_comp Compensated channel output
@param dlsch_llr llr output
@param symbol OFDM symbol index in sub-frame
@param len
@param first_symbol_flag
@param nb_rb number of RBs for this allocation
*/
int32_t nr_dlsch_qpsk_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb);
/**
\brief This function generates log-likelihood ratios (decoder input) for single-stream 16QAM received waveforms
@param frame_parms Frame descriptor structure
@param rxdataF_comp Compensated channel output
@param dlsch_llr llr output
@param dl_ch_mag Squared-magnitude of channel in each resource element position corresponding to allocation and weighted for
mid-point in 16QAM constellation
@param len
@param symbol OFDM symbol index in sub-frame
@param first_symbol_flag
@param nb_rb number of RBs for this allocation
*/
void nr_dlsch_16qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb);
/**
\brief This function generates log-likelihood ratios (decoder input) for single-stream 16QAM received waveforms
@param frame_parms Frame descriptor structure
@param rxdataF_comp Compensated channel output
@param dlsch_llr llr output
@param dl_ch_mag Squared-magnitude of channel in each resource element position corresponding to allocation, weighted by first
mid-point of 64-QAM constellation
@param dl_ch_magb Squared-magnitude of channel in each resource element position corresponding to allocation, weighted by second
mid-point of 64-QAM constellation
@param symbol OFDM symbol index in sub-frame
@param len
@param first_symbol_flag
@param nb_rb number of RBs for this allocation
*/
void nr_dlsch_64qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
int32_t *dl_ch_magb,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb);
void nr_dlsch_256qam_llr(NR_DL_FRAME_PARMS *frame_parms,
int32_t *rxdataF_comp,
int16_t *dlsch_llr,
int32_t *dl_ch_mag,
int32_t *dl_ch_magb,
int32_t *dl_ch_magr,
uint8_t symbol,
uint32_t len,
uint8_t first_symbol_flag,
uint16_t nb_rb);
void nr_dlsch_deinterleaving(uint8_t symbol,
uint8_t start_symbol,
uint16_t L,
openair1/PHY/nr_phy_common/inc/nr_phy_common.h
+4 -10
View File
@@ -24,16 +24,10 @@
#include "PHY/impl_defs_top.h"
#include "PHY/TOOLS/tools_defs.h"
void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re, uint8_t symbol);
void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint32_t nb_re, uint8_t symbol);
void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int16_t *llr, uint32_t nb_re, uint8_t symbol);
void nr_256qam_llr(int32_t *rxdataF_comp,
int32_t *ch_mag,
int32_t *ch_mag2,
int32_t *ch_mag3,
int16_t *llr,
uint32_t nb_re,
uint8_t symbol);
void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re);
void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint32_t nb_re);
void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int16_t *llr, uint32_t nb_re);
void nr_256qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int32_t *ch_mag3, int16_t *llr, uint32_t nb_re);
void freq2time(uint16_t ofdm_symbol_size, int16_t *freq_signal, int16_t *time_signal);
void nr_est_delay(int ofdm_symbol_size, const c16_t *ls_est, c16_t *ch_estimates_time, delay_t *delay);
unsigned int nr_get_tx_amp(int power_dBm, int power_max_dBm, int total_nb_rb, int nb_rb);
openair1/PHY/nr_phy_common/src/nr_phy_common.c
+4 -10
View File
@@ -41,7 +41,7 @@ int16_t saturating_sub(int16_t a, int16_t b)
//----------------------------------------------------------------------------------------------
// QPSK
//----------------------------------------------------------------------------------------------
void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re, uint8_t symbol)
void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re)
{
c16_t *rxF = (c16_t *)rxdataF_comp;
c16_t *llr32 = (c16_t *)llr;
@@ -55,7 +55,7 @@ void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re, uint8_t sy
// 16-QAM
//----------------------------------------------------------------------------------------------
void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint32_t nb_re, uint8_t symbol)
void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint32_t nb_re)
{
simde__m256i *rxF_256 = (simde__m256i *)rxdataF_comp;
simde__m256i *ch_mag = (simde__m256i *)ch_mag_in;
@@ -131,7 +131,7 @@ void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint3
// 64-QAM
//----------------------------------------------------------------------------------------------
void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int16_t *llr, uint32_t nb_re, uint8_t symbol)
void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int16_t *llr, uint32_t nb_re)
{
simde__m256i *rxF = (simde__m256i *)rxdataF_comp;
@@ -242,13 +242,7 @@ void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int1
simde_mm_empty();
}
void nr_256qam_llr(int32_t *rxdataF_comp,
int32_t *ch_mag,
int32_t *ch_mag2,
int32_t *ch_mag3,
int16_t *llr,
uint32_t nb_re,
uint8_t symbol)
void nr_256qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int32_t *ch_mag3, int16_t *llr, uint32_t nb_re)
{
simde__m256i *rxF_256 = (simde__m256i *)rxdataF_comp;
simde__m256i *llr256 = (simde__m256i *)llr;