Commit 3ecc2bdf authored by yilmazt's avatar yilmazt

Working polartest.c

parent 9d813056
......@@ -1108,7 +1108,7 @@ set(PHY_TURBOSRC
${OPENAIR1_DIR}/PHY/CODING/3gpplte_turbo_decoder.c
)
set(PHY_POLARSRC
${OPENAIR1_DIR}/PHY/CODING/nrPolar_init.c
${OPENAIR1_DIR}/PHY/CODING/nr_polar_init.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_bitwise_operations.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_crc_byte.c
${OPENAIR1_DIR}/PHY/CODING/nrPolar_tools/nr_polar_bit_insertion.c
......
......@@ -8,6 +8,7 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#include "PHY/defs_gNB.h"
#include "SIMULATION/TOOLS/sim.h"
int main(int argc, char *argv[]) {
......@@ -21,7 +22,7 @@ int main(int argc, char *argv[]) {
randominit(0);
//Default simulation values (Aim for iterations = 1000000.)
int itr, iterations = 1000, arguments, polarMessageType = 1; //0=DCI, 1=PBCH, 2=UCI
int itr, iterations = 1000, arguments, polarMessageType = 0; //0=PBCH, 1=DCI, -1=UCI
double SNRstart = -20.0, SNRstop = 0.0, SNRinc= 0.5; //dB
double SNR, SNR_lin;
......@@ -69,13 +70,13 @@ int main(int argc, char *argv[]) {
abort ();
}
if (polarMessageType == 0) { //DCI
//testLength = ;
//coderLength = ;
} else if (polarMessageType == 1) { //PBCH
if (polarMessageType == 0) { //PBCH
testLength = NR_POLAR_PBCH_PAYLOAD_BITS;
coderLength = NR_POLAR_PBCH_E;
} else if (polarMessageType == 2) { //UCI
} else if (polarMessageType == 1) { //DCI
//testLength = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_ul ,cfg);
//coderLength = ;
} else if (polarMessageType == -1) { //UCI
//testLength = ;
//coderLength = ;
}
......@@ -110,12 +111,21 @@ int main(int argc, char *argv[]) {
double *channelOutput = malloc (sizeof(double) * coderLength); //add noise
uint8_t *estimatedOutput = malloc(sizeof(uint8_t) * testLength); //decoder output
t_nrPolar_params nrPolar_params;
nr_polar_init(&nrPolar_params, polarMessageType);
t_nrPolar_paramsPtr nrPolar_params = NULL;
nr_polar_init(&nrPolar_params, polarMessageType, testLength);
t_nrPolar_paramsPtr currentPtr = nrPolar_params;
while (currentPtr != NULL) {
if (currentPtr->idx == (polarMessageType * testLength)) {
break;
} else {
currentPtr = currentPtr->nextPtr;
}
}
// We assume no a priori knowledge available about the payload.
double aPrioriArray[nrPolar_params.payloadBits];
for (int i=0; i<nrPolar_params.payloadBits; i++) aPrioriArray[i] = NAN;
double aPrioriArray[currentPtr->payloadBits];
for (int i=0; i<currentPtr->payloadBits; i++) aPrioriArray[i] = NAN;
for (SNR = SNRstart; SNR <= SNRstop; SNR += SNRinc) {
SNR_lin = pow(10, SNR/10);
......@@ -124,7 +134,7 @@ int main(int argc, char *argv[]) {
for(int i=0; i<testLength; i++) testInput[i]=(uint8_t) (rand() % 2);
start_meas(&timeEncoder);
polar_encoder(testInput, encoderOutput, &nrPolar_params);
polar_encoder(testInput, encoderOutput, currentPtr);
stop_meas(&timeEncoder);
//BPSK modulation
......@@ -139,7 +149,12 @@ int main(int argc, char *argv[]) {
start_meas(&timeDecoder);
decoderState = polar_decoder(channelOutput, estimatedOutput, &nrPolar_params, decoderListSize, aPrioriArray, pathMetricAppr);
decoderState = polar_decoder(channelOutput,
estimatedOutput,
currentPtr,
decoderListSize,
aPrioriArray,
pathMetricAppr);
stop_meas(&timeDecoder);
//calculate errors
......
/*
* 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"
void nr_polar_init(t_nrPolar_params* polarParams, int messageType) {
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->crcCorrectionBits = NR_POLAR_PBCH_CRC_ERROR_CORRECTION_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->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
} else if (messageType == 2) { //UCI
}
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);
free(J);
}
......@@ -31,7 +31,7 @@
int8_t polar_decoder(
double *input,
uint8_t *output,
t_nrPolar_params *polarParams,
t_nrPolar_paramsPtr polarParams,
uint8_t listSize,
double *aPrioriPayload,
uint8_t pathMetricAppr)
......
......@@ -31,6 +31,10 @@
static const uint8_t nr_polar_subblock_interleaver_pattern[32] = { 0, 1, 2, 4, 3, 5, 6, 7, 8, 16, 9, 17, 10, 18, 11, 19, 12, 20, 13, 21, 14, 22, 15, 23, 24, 25, 26, 28, 27, 29, 30, 31 };
struct nrPolar_params {
//messageType: 0=PBCH, 1=DCI, -1=UCI
int8_t idx; //idx = messageType*messageLength;
struct nrPolar_params *nextPtr;
uint8_t n_max;
uint8_t i_il;
uint8_t i_seg;
......@@ -65,13 +69,14 @@ struct nrPolar_params {
uint8_t *nr_polar_d;
} __attribute__ ((__packed__));
typedef struct nrPolar_params t_nrPolar_params;
typedef t_nrPolar_params *t_nrPolar_paramsPtr;
void polar_encoder(uint8_t *input, uint8_t *output, t_nrPolar_params* polarParams);
void polar_encoder(uint8_t *input, uint8_t *output, t_nrPolar_paramsPtr polarParams);
int8_t polar_decoder(double *input, uint8_t *output, t_nrPolar_params *polarParams,
int8_t polar_decoder(double *input, uint8_t *output, t_nrPolar_paramsPtr polarParams,
uint8_t listSize, double *aPrioriPayload, uint8_t pathMetricAppr);
void nr_polar_init(t_nrPolar_params* polarParams, int messageType);
void nr_polar_init(t_nrPolar_paramsPtr *polarParams, int8_t messageType, uint16_t messageLength);
uint8_t** nr_polar_kronecker_power_matrices(uint8_t n);
......
......@@ -25,7 +25,7 @@
void polar_encoder(
uint8_t *input,
uint8_t *output,
t_nrPolar_params *polarParams)
t_nrPolar_paramsPtr polarParams)
{
/*
......
/*
* 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 "PHY/NR_TRANSPORT/nr_dci.h"
void nr_polar_init(t_nrPolar_paramsPtr *polarParams,
int8_t messageType,
uint16_t messageLength) {
t_nrPolar_paramsPtr currentPtr = *polarParams;
t_nrPolar_paramsPtr previousPtr = NULL;
//Parse the list. If the node is already created, return without initialization.
while (currentPtr != NULL) {
if (currentPtr->idx == (messageType * messageLength)) {
return;
} else {
previousPtr = currentPtr;
currentPtr = currentPtr->nextPtr;
}
}
//Else, initialize and add node to the end of the linked list.
t_nrPolar_paramsPtr newPolarInitNode = malloc(sizeof(t_nrPolar_params));
if (newPolarInitNode != NULL) {
newPolarInitNode->idx = (messageType * messageLength);
newPolarInitNode->nextPtr = NULL;
if (messageType == 0) { //PBCH
newPolarInitNode->n_max = NR_POLAR_PBCH_N_MAX;
newPolarInitNode->i_il = NR_POLAR_PBCH_I_IL;
newPolarInitNode->i_seg = NR_POLAR_PBCH_I_SEG;
newPolarInitNode->n_pc = NR_POLAR_PBCH_N_PC;
newPolarInitNode->n_pc_wm = NR_POLAR_PBCH_N_PC_WM;
newPolarInitNode->i_bil = NR_POLAR_PBCH_I_BIL;
newPolarInitNode->payloadBits = NR_POLAR_PBCH_PAYLOAD_BITS;
newPolarInitNode->encoderLength = NR_POLAR_PBCH_E;
newPolarInitNode->crcParityBits = NR_POLAR_PBCH_CRC_PARITY_BITS;
newPolarInitNode->crcCorrectionBits = NR_POLAR_PBCH_CRC_ERROR_CORRECTION_BITS;
newPolarInitNode->K = newPolarInitNode->payloadBits + newPolarInitNode->crcParityBits; // Number of bits to encode.
newPolarInitNode->N = nr_polar_output_length(newPolarInitNode->K, newPolarInitNode->encoderLength, newPolarInitNode->n_max);
newPolarInitNode->n = log2(newPolarInitNode->N);
newPolarInitNode->crc_generator_matrix = crc24c_generator_matrix(newPolarInitNode->payloadBits);
newPolarInitNode->G_N = nr_polar_kronecker_power_matrices(newPolarInitNode->n);
//polar_encoder vectors:
newPolarInitNode->nr_polar_crc = malloc(sizeof(uint8_t) * newPolarInitNode->crcParityBits);
newPolarInitNode->nr_polar_cPrime = malloc(sizeof(uint8_t) * newPolarInitNode->K);
newPolarInitNode->nr_polar_d = malloc(sizeof(uint8_t) * newPolarInitNode->N);
//Polar Coding vectors
newPolarInitNode->nr_polar_u = malloc(sizeof(uint8_t) * newPolarInitNode->N); //Decoder: nr_polar_uHat
newPolarInitNode->nr_polar_cPrime = malloc(sizeof(uint8_t) * newPolarInitNode->K); //Decoder: nr_polar_cHat
newPolarInitNode->nr_polar_b = malloc(sizeof(uint8_t) * newPolarInitNode->K); //Decoder: nr_polar_bHat
} else if (messageType == 1) { //DCI
} else if (messageType == -1) { //UCI
} else {
AssertFatal(1 == 0, "[nr_polar_init] Incorrect Message Type(%d)", messageType);
}
newPolarInitNode->Q_0_Nminus1 = nr_polar_sequence_pattern(newPolarInitNode->n);
newPolarInitNode->interleaving_pattern = malloc(sizeof(uint16_t) * newPolarInitNode->K);
nr_polar_interleaving_pattern(newPolarInitNode->K,
newPolarInitNode->i_il,
newPolarInitNode->interleaving_pattern);
newPolarInitNode->rate_matching_pattern = malloc(sizeof(uint16_t) * newPolarInitNode->encoderLength);
uint16_t *J = malloc(sizeof(uint16_t) * newPolarInitNode->N);
nr_polar_rate_matching_pattern(newPolarInitNode->rate_matching_pattern,
J,
nr_polar_subblock_interleaver_pattern,
newPolarInitNode->K,
newPolarInitNode->N,
newPolarInitNode->encoderLength);
newPolarInitNode->information_bit_pattern = malloc(sizeof(uint8_t) * newPolarInitNode->N);
newPolarInitNode->Q_I_N = malloc(sizeof(int16_t) * (newPolarInitNode->K + newPolarInitNode->n_pc));
newPolarInitNode->Q_F_N = malloc( sizeof(int16_t) * (newPolarInitNode->N + 1)); // Last element shows the final array index assigned a value.
newPolarInitNode->Q_PC_N = malloc( sizeof(int16_t) * (newPolarInitNode->n_pc));
for (int i = 0; i <= newPolarInitNode->N; i++)
newPolarInitNode->Q_F_N[i] = -1; // Empty array.
nr_polar_info_bit_pattern(newPolarInitNode->information_bit_pattern,
newPolarInitNode->Q_I_N,
newPolarInitNode->Q_F_N,
J,
newPolarInitNode->Q_0_Nminus1,
newPolarInitNode->K,
newPolarInitNode->N,
newPolarInitNode->encoderLength,
newPolarInitNode->n_pc);
newPolarInitNode->channel_interleaver_pattern = malloc(sizeof(uint16_t) * newPolarInitNode->encoderLength);
nr_polar_channel_interleaver_pattern(newPolarInitNode->channel_interleaver_pattern,
newPolarInitNode->i_bil,
newPolarInitNode->encoderLength);
free(J);
} else {
AssertFatal(1 == 0, "[nr_polar_init] New t_nrPolar_paramsPtr could not be created");
}
currentPtr = *polarParams;
//If polarParams is empty:
if (currentPtr == NULL)
{
*polarParams = newPolarInitNode;
return;
}
//Else, add node to the end of the linked list.
while (currentPtr->nextPtr != NULL) {
currentPtr = currentPtr->nextPtr;
}
currentPtr->nextPtr= newPolarInitNode;
return;
}
......@@ -120,7 +120,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
// PBCH DMRS gold sequences generation
nr_init_pbch_dmrs(gNB);
// Polar encoder init for PBCH
nr_polar_init(&fp->pbch_polar_params, 1);
nr_polar_init(&fp->pbch_polar_params, 1, NR_POLAR_PBCH_PAYLOAD_BITS);
//PDCCH DMRS init
pdcch_dmrs = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t**));
AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
......
......@@ -37,12 +37,12 @@
extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
uint8_t nr_get_dci_size(nfapi_nr_dci_format_e format,
uint16_t nr_get_dci_size(nfapi_nr_dci_format_e format,
nfapi_nr_rnti_type_e rnti_type,
NR_BWP_PARMS* bwp,
nfapi_nr_config_request_t* config)
{
uint8_t size = 0;
uint16_t size = 0;
uint16_t N_RB = bwp->N_RB;
switch(format) {
......
......@@ -27,7 +27,7 @@
typedef unsigned __int128 uint128_t;
uint8_t nr_get_dci_size(nfapi_nr_dci_format_e format,
uint16_t nr_get_dci_size(nfapi_nr_dci_format_e format,
nfapi_nr_rnti_type_e rnti_type,
NR_BWP_PARMS* bwp,
nfapi_nr_config_request_t* config);
......
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