Commit 6bb34495 authored by Florian Kaltenberger's avatar Florian Kaltenberger

Merge remote-tracking branch 'origin/develop-nr' into nr-emulate-rf

parents cf2459da c43b8acb
......@@ -315,8 +315,8 @@ elseif (${RRC_ASN1_VERSION} STREQUAL "Rel14")
make_version(RRC_VERSION 14 7 0)
set (RRC_GRAMMAR ${OPENAIR2_DIR}/RRC/LTE/MESSAGES/asn1c/ASN1_files/lte-rrc-14.7.0.asn1)
elseif (${RRC_ASN1_VERSION} STREQUAL "Rel15")
make_version(RRC_VERSION 15 2 2)
set (RRC_GRAMMAR ${OPENAIR2_DIR}/RRC/LTE/MESSAGES/asn1c/ASN1_files/RRC-36331-f22.asn)
make_version(RRC_VERSION 15 3 0)
set (RRC_GRAMMAR ${OPENAIR2_DIR}/RRC/LTE/MESSAGES/asn1c/ASN1_files/lte-rrc-15.3.0.asn1)
endif (${RRC_ASN1_VERSION} STREQUAL "Rel8")
add_definitions(-DRRC_VERSION=${RRC_VERSION})
set (RRC_FULL_DIR ${asn1_generated_dir}/RRC_${RRC_ASN1_VERSION})
......@@ -355,8 +355,8 @@ add_custom_command (
add_list2_option(NR_RRC_ASN1_VERSION "NR_Rel15" "ASN.1 version of NR_RRC interface")
if (${NR_RRC_ASN1_VERSION} STREQUAL "NR_Rel15")
make_version(NR_RRC_VERSION 15 2 1)
set (NR_RRC_GRAMMAR ${OPENAIR2_DIR}/RRC/NR/MESSAGES/asn1c/ASN1_files/nr-rrc-15.2.1.asn1)
make_version(NR_RRC_VERSION 15 3 0)
set (NR_RRC_GRAMMAR ${OPENAIR2_DIR}/RRC/NR/MESSAGES/asn1c/ASN1_files/nr-rrc-15.3.0.asn1)
endif (${NR_RRC_ASN1_VERSION} STREQUAL "NR_Rel15")
add_definitions(-DNR_RRC_VERSION=${NR_RRC_VERSION})
set (NR_RRC_FULL_DIR ${asn1_generated_dir}/${NR_RRC_ASN1_VERSION})
......@@ -394,7 +394,7 @@ add_custom_command (OUTPUT ${NR_RRC_FULL_DIR}/NR_asn_constant.h
# Same limitation as described in RRC: unknown generated file list
# so we generate it at cmake time
##############
add_list1_option(S1AP_RELEASE R14 "S1AP ASN.1 grammar version" R8 R9 R10 R14 R15)
add_list1_option(S1AP_RELEASE R15 "S1AP ASN.1 grammar version" R8 R9 R10 R14 R15)
set(S1AP_DIR ${OPENAIR3_DIR}/S1AP)
if (${S1AP_RELEASE} STREQUAL "R8")
......@@ -416,11 +416,11 @@ elseif (${S1AP_RELEASE} STREQUAL "R13")
make_version(S1AP_VERSION 13 6 0)
set(S1AP_ASN_FILES "s1ap-13.6.0.asn1")
elseif (${S1AP_RELEASE} STREQUAL "R14")
make_version(S1AP_VERSION 14 5 0)
set(S1AP_ASN_FILES "s1ap-14.5.0.asn1")
make_version(S1AP_VERSION 14 7 0)
set(S1AP_ASN_FILES "s1ap-14.7.0.asn1")
else (${S1AP_RELEASE} STREQUAL "R15")
make_version(S1AP_VERSION 15 1 0)
set(S1AP_ASN_FILES "s1ap-15.1.0.asn1")
make_version(S1AP_VERSION 15 3 0)
set(S1AP_ASN_FILES "s1ap-15.3.0.asn1")
endif(${S1AP_RELEASE} STREQUAL "R8")
add_definitions(-DS1AP_VERSION=${S1AP_VERSION})
set(S1AP_ASN_DIR ${S1AP_DIR}/MESSAGES/ASN1/${S1AP_RELEASE})
......@@ -472,7 +472,7 @@ add_library(S1AP_ENB
# Same limitation as described in RRC/S1AP: unknown generated file list
# so we generate it at cmake time
##############
add_list1_option(X2AP_RELEASE R14 "X2AP ASN.1 grammar version" R8 R11 R12 R14 R15)
add_list1_option(X2AP_RELEASE R15 "X2AP ASN.1 grammar version" R8 R11 R12 R14 R15)
set(X2AP_DIR ${OPENAIR2_DIR}/X2AP)
if (${X2AP_RELEASE} STREQUAL "R8")
......@@ -488,8 +488,8 @@ elseif (${X2AP_RELEASE} STREQUAL "R14")
make_version(X2AP_VERSION 14 6 0)
set(X2AP_ASN_FILES x2ap-14.6.0.asn1)
elseif (${X2AP_RELEASE} STREQUAL "R15")
make_version(X2AP_VERSION 15 1 0)
set(X2AP_ASN_FILES x2ap-15.1.0.asn1)
make_version(X2AP_VERSION 15 3 0)
set(X2AP_ASN_FILES x2ap-15.3.0.asn1)
endif(${X2AP_RELEASE} STREQUAL "R8")
add_definitions(-DX2AP_VERSION=${X2AP_VERSION})
set(X2AP_ASN_DIR ${X2AP_DIR}/MESSAGES/ASN1/${X2AP_RELEASE})
......@@ -2611,16 +2611,68 @@ if (${T_TRACER})
foreach(i
#all "add_executable" definitions (except tests, rb_tool, updatefw)
lte-softmodem lte-softmodem-nos1 lte-uesoftmodem lte-uesoftmodem-nos1
nr-softmodem nr-softmodem-nos1 nr-uesoftmodem nr-uesoftmodem-nos1
dlsim_tm4 dlsim dlsim_tm7 ulsim pbchsim scansim mbmssim
pdcchsim pucchsim prachsim syncsim ulsim
ldpctest polartest
#all "add_library" definitions
ITTI RRC_LIB S1AP_LIB S1AP_ENB X2AP_LIB
oai_exmimodevif oai_usrpdevif oai_bladerfdevif oai_lmssdrdevif
oai_eth_transpro
FLPT_MSG ASYNC_IF FLEXRAN_AGENT HASHTABLE MSC UTIL OMG_SUMO SECU_OSA
SECU_CN SCHED_LIB PHY L2 default_sched remote_sched RAL CN_UTILS
GTPV1U SCTP_CLIENT UDP LIB_NAS_UE LFDS LFDS7 SIMU OPENAIR0_LIB PHY_MEX
coding)
ITTI
RRC_LIB
NR_RRC_LIB
S1AP_LIB
S1AP_ENB
X2AP_LIB
params_libconfig
oai_exmimodevif
oai_usrpdevif
oai_bladerfdevif
oai_lmssdrdevif
oai_eth_transpro
oai_mobipass
tcp_bridge
tcp_bridge_oai
coding
FLPT_MSG
ASYNC_IF
FLEXRAN_AGENT
HASHTABLE
MSC
UTIL
SECU_OSA
SECU_CN
SCHED_LIB
SCHED_NR_LIB
SCHED_RU_LIB
SCHED_UE_LIB
SCHED_NR_UE_LIB
NFAPI_COMMON_LIB
NFAPI_LIB
NFAPI_PNF_LIB
NFAPI_VNF_LIB
NFAPI_USER_LIB
PHY_COMMON
PHY
PHY_UE
PHY_NR
PHY_NR_UE
PHY_RU
PHY_MEX
L2
L2_NR
L2_UE
NR_L2_UE
NR_LTE_UE_REUSE_LIB
CN_UTILS
GTPV1U
SCTP_CLIENT
UDP
LIB_NAS_UE
NB_IoT
LFDS
LFDS7
SIMU
SIMU_ETH
OPENAIR0_LIB)
if (TARGET ${i})
add_dependencies(${i} generate_T)
endif()
......
......@@ -1026,6 +1026,22 @@
<search_expr_false>segmentation fault|assertion|exiting|fatal</search_expr_false>
<nruns>3</nruns>
</testCase>
<testCase id="015103">
<class>execution</class>
<desc>polartest test cases.</desc>
<pre_compile_prog></pre_compile_prog>
<compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</compile_prog>
<compile_prog_args> --phy_simulators -c </compile_prog_args>
<pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash</pre_exec>
<pre_exec_args></pre_exec_args>
<main_exec> $OPENAIR_DIR/targets/bin/polartest.Rel15</main_exec>
<main_exec_args>-q -s-10 -f0</main_exec_args>
<tags>polartest.test1</tags>
<search_expr_true>BLER= 0.000000</search_expr_true>
<search_expr_false>segmentation fault|assertion|exiting|fatal</search_expr_false>
<nruns>3</nruns>
</testCase>
<testCase id="015110">
<class>execution</class>
......
......@@ -683,7 +683,7 @@ install_asn1c_from_source(){
# better to use a given commit than a branch in case the branch
# is updated and requires modifications in the source of OAI
#git checkout velichkov_s1ap_plus_option_group
git checkout 73d6b23dcec9ab36605b4af884143824392134c1
git checkout d3aed06bb2bec7df1b5c6d0333f8c7dfc5993372
autoreconf -iv
./configure
make -j`nproc`
......
......@@ -18,13 +18,17 @@ int main(int argc, char *argv[]) {
//Initiate timing. (Results depend on CPU Frequency. Therefore, might change due to performance variances during simulation.)
time_stats_t timeEncoder,timeDecoder;
time_stats_t polar_decoder_init,polar_rate_matching,decoding,bit_extraction,deinterleaving;
time_stats_t path_metric,sorting,update_LLR;
opp_enabled=1;
int decoder_int16=0;
int generate_optim_code=0;
cpu_freq_GHz = get_cpu_freq_GHz();
reset_meas(&timeEncoder);
reset_meas(&timeDecoder);
randominit(0);
crcTableInit();
//Default simulation values (Aim for iterations = 1000000.)
int itr, iterations = 1000, arguments, polarMessageType = 0; //0=PBCH, 1=DCI, -1=UCI
double SNRstart = -20.0, SNRstop = 0.0, SNRinc= 0.5; //dB
......@@ -36,7 +40,7 @@ int main(int argc, char *argv[]) {
double timeEncoderCumulative = 0, timeDecoderCumulative = 0;
uint8_t aggregation_level = 8, decoderListSize = 8, pathMetricAppr = 0;
while ((arguments = getopt (argc, argv, "s:d:f:m:i:l:a:h")) != -1)
while ((arguments = getopt (argc, argv, "s:d:f:m:i:l:a:hqg")) != -1)
switch (arguments)
{
case 's':
......@@ -67,8 +71,20 @@ int main(int argc, char *argv[]) {
pathMetricAppr = (uint8_t) atoi(optarg);
break;
case 'q':
decoder_int16=1;
break;
case 'g':
generate_optim_code=1;
iterations=1;
SNRstart=-6.0;
SNRstop =-6.0;
decoder_int16=1;
break;
case 'h':
printf("./polartest -s SNRstart -d SNRinc -f SNRstop -m [0=PBCH|1=DCI|2=UCI] -i iterations -l decoderListSize -a pathMetricAppr\n");
printf("./polartest -s SNRstart -d SNRinc -f SNRstop -m [0=PBCH|1=DCI|2=UCI] -i iterations -l decoderListSize -a pathMetricAppr -q (use fixed point decoder)\n");
exit(-1);
default:
......@@ -93,11 +109,14 @@ int main(int argc, char *argv[]) {
//Logging
time_t currentTime;
time (&currentTime);
char *folderName, fileName[512], currentTimeInfo[25];
char fileName[512], currentTimeInfo[25];
char folderName[] = ".";
/*
folderName=getenv("HOME");
strcat(folderName,"/Desktop/polartestResults");
*/
#ifdef DEBUG_POLAR_TIMING
sprintf(fileName,"%s/TIMING_ListSize_%d_pmAppr_%d_Payload_%d_Itr_%d",folderName,decoderListSize,pathMetricAppr,testLength,iterations);
#else
......@@ -107,15 +126,17 @@ int main(int argc, char *argv[]) {
strcat(fileName,currentTimeInfo);
//Create "~/Desktop/polartestResults" folder if it doesn't already exist.
/*
struct stat folder = {0};
if (stat(folderName, &folder) == -1) mkdir(folderName, S_IRWXU | S_IRWXG | S_IRWXO);
*/
FILE* logFile;
logFile = fopen(fileName, "w");
if (logFile==NULL) {
fprintf(stderr,"[polartest.c] Problem creating file %s with fopen\n",fileName);
exit(-1);
}
logFile = fopen(fileName, "w");
if (logFile==NULL) {
fprintf(stderr,"[polartest.c] Problem creating file %s with fopen\n",fileName);
exit(-1);
}
#ifdef DEBUG_POLAR_TIMING
fprintf(logFile,",timeEncoderCRCByte[us],timeEncoderCRCBit[us],timeEncoderInterleaver[us],timeEncoderBitInsertion[us],timeEncoder1[us],timeEncoder2[us],timeEncoderRateMatching[us],timeEncoderByte2Bit[us]\n");
......@@ -136,7 +157,9 @@ int main(int argc, char *argv[]) {
uint8_t *encoderOutputByte = malloc(sizeof(uint8_t) * coderLength);
double *modulatedInput = malloc (sizeof(double) * coderLength); //channel input
double *channelOutput = malloc (sizeof(double) * coderLength); //add noise
int16_t *channelOutput_int16;
if (decoder_int16 == 1) channelOutput_int16 = (int16_t*)malloc (sizeof(int16_t) * coderLength);
t_nrPolar_paramsPtr nrPolar_params = NULL, currentPtr = NULL;
nr_polar_init(&nrPolar_params, polarMessageType, testLength, aggregation_level);
currentPtr = nr_polar_params(nrPolar_params, polarMessageType, testLength, aggregation_level);
......@@ -285,6 +308,7 @@ int main(int argc, char *argv[]) {
for (int i=0; i<currentPtr->payloadBits; i++) aPrioriArray[i] = NAN;
for (SNR = SNRstart; SNR <= SNRstop; SNR += SNRinc) {
printf("SNR %f\n",SNR);
SNR_lin = pow(10, SNR/10);
for (itr = 1; itr <= iterations; itr++) {
......@@ -318,6 +342,15 @@ int main(int argc, char *argv[]) {
modulatedInput[i]=(-1)/sqrt(2);
channelOutput[i] = modulatedInput[i] + (gaussdouble(0.0,1.0) * (1/sqrt(2*SNR_lin)));
if (decoder_int16==1) {
if (channelOutput[i] > 15) channelOutput_int16[i] = 127;
else if (channelOutput[i] < -16) channelOutput_int16[i] = -128;
else channelOutput_int16[i] = (int16_t) (8*channelOutput[i]);
}
}
start_meas(&timeDecoder);
......@@ -327,12 +360,19 @@ int main(int argc, char *argv[]) {
NR_POLAR_DECODER_LISTSIZE,
aPrioriArray,
NR_POLAR_DECODER_PATH_METRIC_APPROXIMATION);*/
decoderState = polar_decoder_aPriori(channelOutput,
estimatedOutput,
currentPtr,
NR_POLAR_DECODER_LISTSIZE,
NR_POLAR_DECODER_PATH_METRIC_APPROXIMATION,
aPrioriArray);
if (decoder_int16==0)
decoderState = polar_decoder_aPriori(channelOutput,
estimatedOutput,
currentPtr,
NR_POLAR_DECODER_LISTSIZE,
NR_POLAR_DECODER_PATH_METRIC_APPROXIMATION,
aPrioriArray);
else
decoderState = polar_decoder_int16(channelOutput_int16,
estimatedOutput,
currentPtr);
stop_meas(&timeDecoder);
/*printf("testInput: [0]->0x%08x\n", testInput[0]);
printf("estimatedOutput: [0]->0x%08x\n", estimatedOutput[0]);*/
......@@ -377,6 +417,9 @@ int main(int argc, char *argv[]) {
((double)bitErrorCumulative / (iterations*testLength)),
(timeEncoderCumulative/iterations),timeDecoderCumulative/iterations);
if (blockErrorCumulative==0 && bitErrorCumulative==0)
break;
blockErrorCumulative = 0; bitErrorCumulative = 0;
timeEncoderCumulative = 0; timeDecoderCumulative = 0;
}
......
......@@ -255,48 +255,6 @@ unsigned int crcPayload(unsigned char * inptr, int bitlen, uint32_t* crc256Table
return crc;
}
void nr_crc_computation(uint8_t* input, uint8_t* output, uint16_t payloadBits, uint16_t crcParityBits, uint32_t* crc256Table)
{
//Create payload in bit
uint8_t* input2 = (uint8_t*)malloc(payloadBits); //divided by 8 (in bits)
uint8_t mask = 128; // 10000000
for(uint8_t ind=0; ind<(payloadBits/8); ind++)
{
input2[ind]=0;
for(uint8_t ind2=0; ind2<8; ind2++)
{
if(input[8*ind+ind2])
{
input2[ind] = input2[ind] | mask;
}
mask= mask >> 1;
}
mask=128;
}
//crcTable256Init(poly);
unsigned int crcBits;
crcBits = crcPayload(input2, payloadBits, crc256Table);
//create crc in byte
unsigned int mask2=0x80000000; //100...
for(uint8_t ind=0; ind<crcParityBits; ind++)
{
if(crcBits & mask2)
output[ind]=1;
else
output[ind]=0;
mask2 = mask2 >> 1;
}
}
#ifdef DEBUG_CRC
......
/*
* 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
*/
#include "nrPolar_tools/nr_polar_defs.h"
#include "nrPolar_tools/nr_polar_pbch_defs.h"
#include "nrPolar_tools/nr_polar_uci_defs.h"
void nr_polar_init(t_nrPolar_params* polarParams, int messageType) {
uint32_t poly6 = 0x84000000; // 1000100000... -> D^6+D^5+1
uint32_t poly11 = 0x63200000; //11000100001000... -> D^11+D^10+D^9+D^5+1
//uint32_t poly16 = 0x81080000; //100000010000100... - > D^16+D^12+D^5+1
//uint32_t poly24a = 0x864cfb00; //100001100100110011111011 -> D^24+D^23+D^18+D^17+D^14+D^11+D^10+D^7+D^6+D^5+D^4+D^3+D+1
//uint32_t poly24b = 0x80006300; //100000000000000001100011 -> D^24+D^23+D^6+D^5+D+1
uint32_t poly24c = 0xB2B11700; //101100101011000100010111 -> D^24...
if (messageType == 0) { //DCI
} else if (messageType == 1) { //PBCH
polarParams->n_max = NR_POLAR_PBCH_N_MAX;
polarParams->i_il = NR_POLAR_PBCH_I_IL;
polarParams->i_seg = NR_POLAR_PBCH_I_SEG;
polarParams->n_pc = NR_POLAR_PBCH_N_PC;
polarParams->n_pc_wm = NR_POLAR_PBCH_N_PC_WM;
polarParams->i_bil = NR_POLAR_PBCH_I_BIL;
polarParams->payloadBits = NR_POLAR_PBCH_PAYLOAD_BITS;
polarParams->encoderLength = NR_POLAR_PBCH_E;
polarParams->crcParityBits = NR_POLAR_PBCH_CRC_PARITY_BITS;
polarParams->K = polarParams->payloadBits + polarParams->crcParityBits; // Number of bits to encode.
polarParams->N = nr_polar_output_length(polarParams->K, polarParams->encoderLength, polarParams->n_max);
polarParams->n = log2(polarParams->N);
polarParams->crc_generator_matrix=crc24c_generator_matrix(polarParams->payloadBits);
polarParams->crc_polynomial = poly24c;
polarParams->G_N = nr_polar_kronecker_power_matrices(polarParams->n);
//polar_encoder vectors:
polarParams->nr_polar_crc = malloc(sizeof(uint8_t) * polarParams->crcParityBits);
polarParams->nr_polar_cPrime = malloc(sizeof(uint8_t) * polarParams->K);
polarParams->nr_polar_d = malloc(sizeof(uint8_t) * polarParams->N);
//Polar Coding vectors
polarParams->nr_polar_u = malloc(sizeof(uint8_t) * polarParams->N); //Decoder: nr_polar_uHat
polarParams->nr_polar_cPrime = malloc(sizeof(uint8_t) * polarParams->K); //Decoder: nr_polar_cHat
polarParams->nr_polar_b = malloc(sizeof(uint8_t) * polarParams->K); //Decoder: nr_polar_bHat
polarParams->decoder_kernel = NULL;//polar_decoder_K56_N512_E864;
} else if (messageType == 2) { //UCI
polarParams->payloadBits = NR_POLAR_PUCCH_PAYLOAD_BITS; //A depends on what they carry...
polarParams->encoderLength = NR_POLAR_PUCCH_E ; //E depends on other standards 6.3.1.4
if (polarParams->payloadBits <= 11) //Ref. 38-212, Section 6.3.1.2.2
polarParams->crcParityBits = 0; //K=A
else //Ref. 38-212, Section 6.3.1.2.1
{
if (polarParams->payloadBits < 20)
polarParams->crcParityBits = NR_POLAR_PUCCH_CRC_PARITY_BITS_SHORT;
else
polarParams->crcParityBits = NR_POLAR_PUCCH_CRC_PARITY_BITS_LONG;
if (polarParams->payloadBits >= 360 && polarParams->encoderLength >= 1088)
polarParams->i_seg = NR_POLAR_PUCCH_I_SEG_LONG; // -> C=2
else
polarParams->i_seg = NR_POLAR_PUCCH_I_SEG_SHORT; // -> C=1
}
polarParams->K = polarParams->payloadBits + polarParams->crcParityBits; // Number of bits to encode.
//K_r = K/C ; C = I_seg+1
if((polarParams->K)/(polarParams->i_seg+1)>=18 && (polarParams->K)/(polarParams->i_seg+1)<=25) //Ref. 38-212, Section 6.3.1.3.1
{
polarParams->n_max = NR_POLAR_PUCCH_N_MAX;
polarParams->i_il =NR_POLAR_PUCCH_I_IL;
polarParams->n_pc = NR_POLAR_PUCCH_N_PC_SHORT;
if( (polarParams->encoderLength - polarParams->K)/(polarParams->i_seg + 1) + 3 > 192 )
polarParams->n_pc_wm = NR_POLAR_PUCCH_N_PC_WM_LONG;
else
polarParams->n_pc_wm = NR_POLAR_PUCCH_N_PC_WM_SHORT;
}
if( (polarParams->K)/(polarParams->i_seg + 1) > 30 ) //Ref. 38-212, Section 6.3.1.3.1
{
polarParams->n_max = NR_POLAR_PUCCH_N_MAX;
polarParams->i_il =NR_POLAR_PUCCH_I_IL;
polarParams->n_pc = NR_POLAR_PUCCH_N_PC_LONG;
polarParams->n_pc_wm = NR_POLAR_PUCCH_N_PC_WM_LONG;
}
polarParams->i_bil = NR_POLAR_PUCCH_I_BIL; //Ref. 38-212, Section 6.3.1.4.1
polarParams->N = nr_polar_output_length(polarParams->K, polarParams->encoderLength, polarParams->n_max);
polarParams->n = log2(polarParams->N);
if((polarParams->payloadBits) <= 19)
{
polarParams->crc_generator_matrix=crc6_generator_matrix(polarParams->payloadBits);
polarParams->crc_polynomial = poly6;
}
else
{
polarParams->crc_generator_matrix=crc11_generator_matrix(polarParams->payloadBits);
polarParams->crc_polynomial = poly11;
}
polarParams->G_N = nr_polar_kronecker_power_matrices(polarParams->n);
//polar_encoder vectors:
polarParams->nr_polar_crc = malloc(sizeof(uint8_t) * polarParams->crcParityBits);
polarParams->nr_polar_cPrime = malloc(sizeof(uint8_t) * polarParams->K);
polarParams->nr_polar_d = malloc(sizeof(uint8_t) * polarParams->N);
//Polar Coding vectors
polarParams->nr_polar_u = malloc(sizeof(uint8_t) * polarParams->N); //Decoder: nr_polar_uHat
polarParams->nr_polar_cPrime = malloc(sizeof(uint8_t) * polarParams->K); //Decoder: nr_polar_cHat
polarParams->nr_polar_b = malloc(sizeof(uint8_t) * polarParams->K); //Decoder: nr_polar_bHat
}
polarParams->crcCorrectionBits = NR_POLAR_CRC_ERROR_CORRECTION_BITS;
polarParams->crc256Table = malloc(sizeof(uint32_t)*256);
crcTable256Init(polarParams->crc_polynomial, polarParams->crc256Table);
polarParams->Q_0_Nminus1 = nr_polar_sequence_pattern(polarParams->n);
polarParams->interleaving_pattern = malloc(sizeof(uint16_t) * polarParams->K);
nr_polar_interleaving_pattern(polarParams->K, polarParams->i_il, polarParams->interleaving_pattern);
polarParams->rate_matching_pattern = malloc(sizeof(uint16_t) * polarParams->encoderLength);
uint16_t *J = malloc(sizeof(uint16_t) * polarParams->N);
nr_polar_rate_matching_pattern(polarParams->rate_matching_pattern, J,
nr_polar_subblock_interleaver_pattern, polarParams->K, polarParams->N, polarParams->encoderLength);
polarParams->information_bit_pattern = malloc(sizeof(uint8_t) * polarParams->N);
polarParams->Q_I_N = malloc(sizeof(int16_t) * (polarParams->K + polarParams->n_pc));
polarParams->Q_F_N = malloc(sizeof(int16_t) * (polarParams->N+1)); // Last element shows the final array index assigned a value.
polarParams->Q_PC_N = malloc(sizeof(int16_t) * (polarParams->n_pc));
for (int i=0; i<=polarParams->N; i++) polarParams->Q_F_N[i] = -1; // Empty array.
nr_polar_info_bit_pattern(polarParams->information_bit_pattern,
polarParams->Q_I_N, polarParams->Q_F_N, J, polarParams->Q_0_Nminus1,
polarParams->K, polarParams->N, polarParams->encoderLength, polarParams->n_pc);
polarParams->channel_interleaver_pattern = malloc(sizeof(uint16_t) * polarParams->encoderLength);
nr_polar_channel_interleaver_pattern(polarParams->channel_interleaver_pattern,
polarParams->i_bil, polarParams->encoderLength);
polarParams->extended_crc_generator_matrix = malloc(polarParams->K * sizeof(uint8_t *)); //G_P3
uint8_t tempECGM[polarParams->K][polarParams->crcParityBits];
for (int i = 0; i < polarParams->K; i++){
polarParams->extended_crc_generator_matrix[i] = malloc(polarParams->crcParityBits * sizeof(uint8_t));
}
for (int i=0; i<polarParams->payloadBits; i++) {
for (int j=0; j<polarParams->crcParityBits; j++) {
tempECGM[i][j]=polarParams->crc_generator_matrix[i][j];
}
}
for (int i=polarParams->payloadBits; i<polarParams->K; i++) {
for (int j=0; j<polarParams->crcParityBits; j++) {
if( (i-polarParams->payloadBits) == j ){
tempECGM[i][j]=1;
} else {
tempECGM[i][j]=0;
}
}
}
for (int i=0; i<polarParams->K; i++) {
for (int j=0; j<polarParams->crcParityBits; j++) {
polarParams->extended_crc_generator_matrix[i][j]=tempECGM[polarParams->interleaving_pattern[i]][j];
}
}
build_decoder_tree(polarParams);
printf("decoder tree nodes %d\n",polarParams->tree.num_nodes);
free(J);
}
......@@ -21,132 +21,7 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
/*
// ----- New implementation ----
uint32_t poly6 = 0x84000000; // 10000100000... -> D^6+D^5+1
uint32_t poly11 = 0xc4200000; //11000100001000... -> D^11+D^10+D^9+D^5+1
uint32_t poly16 = 0x10210000; //00100000010000100... - > D^16+D^12+D^5+1
uint32_t poly24a = 0x864cfb00; //100001100100110011111011 -> D^24+D^23+D^18+D^17+D^14+D^11+D^10+D^7+D^6+D^5+D^4+D^3+D+1
uint32_t poly24b = 0x80006300; //100000000000000001100011 -> D^24+D^23+D^6+D^5+D+1
uint32_t poly24c = 0xB2B11700; //101100101011000100010111 -> D^24...
//static unsigned int crc256Table[256];
void nr_crc_computation(uint8_t* input, uint8_t* output, uint16_t payloadBits, uint16_t crcParityBits, uint32_t* crc256Table)
{
//Create payload in bit
uint8_t* input2 = (uint8_t*)malloc(payloadBits); //divided by 8 (in bits)
uint8_t mask = 128; // 10000000
for(uint8_t ind=0; ind<(payloadBits/8); ind++)
{
input2[ind]=0;
for(uint8_t ind2=0; ind2<8; ind2++)
{
if(input[8*ind+ind2])
{
input2[ind] = input2[ind] | mask;
}
mask= mask >> 1;
}
mask=128;
}
//crcTable256Init(poly);
unsigned int crcBits;
crcBits = crcPayload(input2, payloadBits, crc256Table);
//create crc in byte
unsigned int mask2=0x80000000; //100...
output = (uint8_t*)malloc(sizeof(uint8_t)*crcParityBits);
for(uint8_t ind=0; ind<crcParityBits; ind++)
{
if(crcBits & mask2)
output[ind]=1;
else
output[ind]=0;
mask2 = mask2 >> 1;
}
}
unsigned int crcbit (unsigned char* inputptr, int octetlen, unsigned int poly)
{
unsigned int i, crc = 0, c;
while (octetlen-- > 0) {
c = (*inputptr++) << 24;
for (i = 8; i != 0; i--) {
if ((1 << 31) & (c ^ crc))
crc = (crc << 1) ^ poly;
else
crc <<= 1;
c <<= 1;
}
}
return crc;
}
void crcTableInit (void)
{
unsigned char c = 0;
do {
crc6Table[c] = crcbit(&c, 1, poly6);
crc11Table[c]= crcbit(&c, 1, poly11);
crc16Table[c] =crcbit(&c, 1, poly16);
crc24aTable[c]=crcbit(&c, 1, poly24a);
crc24bTable[c]=crcbit(&c, 1, poly24b);
crc24cTable[c]=crcbit(&c, 1, poly24c);
} while (++c);
}
void crcTable256Init (uint32_t poly, uint32_t* crc256Table)
{
unsigned char c = 0;
// crc256Table = malloc(sizeof(uint32_t)*256);
do {
crc256Table[c] = crcbit(&c, 1, poly);
// crc6Table[c] = crcbit(&c, 1, poly6);
// crc11Table[c]= crcbit(&c, 1, poly11);
// crc16Table[c] =crcbit(&c, 1, poly16);
// crc24aTable[c]=crcbit(&c, 1, poly24a);
// crc24bTable[c]=crcbit(&c, 1, poly24b);
// crc24cTable[c]=crcbit(&c, 1, poly24c);
} while (++c);
//return crc256Table;
}