Commit 2dec82b3 authored by yilmazt's avatar yilmazt

Working polartest

parent cfcd0d4b
This diff is collapsed.
......@@ -42,6 +42,8 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_dci_defs.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_uci_defs.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#include "PHY/CODING/coding_defs.h"
#include "SIMULATION/TOOLS/sim.h"
#define NR_POLAR_DECODER_LISTSIZE 8 //uint8_t
#define NR_POLAR_DECODER_PATH_METRIC_APPROXIMATION 0 //uint8_t; 0 --> eq. (8a) and (11b), 1 --> eq. (9) and (12)
......@@ -111,6 +113,12 @@ void polar_encoder_dci(uint32_t *in,
t_nrPolar_paramsPtr polarParams,
uint16_t n_RNTI);
void polar_encoder_timing(uint32_t *in,
uint32_t *out,
t_nrPolar_paramsPtr polarParams,
double cpuFreqGHz,
FILE* logFile);
int8_t polar_decoder(double *input,
uint8_t *output,
t_nrPolar_paramsPtr polarParams,
......@@ -124,6 +132,15 @@ int8_t polar_decoder_aPriori(double *input,
uint8_t pathMetricAppr,
double *aPrioriPayload);
int8_t polar_decoder_aPriori_timing(double *input,
uint32_t *output,
t_nrPolar_paramsPtr polarParams,
uint8_t listSize,
uint8_t pathMetricAppr,
double *aPrioriPayload,
double cpuFreqGHz,
FILE* logFile);
void nr_polar_init(t_nrPolar_paramsPtr *polarParams,
int8_t messageType,
uint16_t messageLength,
......
......@@ -30,10 +30,15 @@
* \warning
*/
//#define DEBUG_POLAR_ENCODER
//#define DEBUG_POLAR_ENCODER_DCI
//#define DEBUG_POLAR_ENCODER_TIMING
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
//input [a_31 a_30 ... a_0]
//output [f_31 f_30 ... f_0] [f_63 f_62 ... f_32] ...
void polar_encoder(uint32_t *in,
uint32_t *out,
t_nrPolar_paramsPtr polarParams)
......@@ -95,6 +100,10 @@ void polar_encoder(uint32_t *in,
/*
* Return bits.
*/
#ifdef DEBUG_POLAR_ENCODER
for (int i=0; i< polarParams->encoderLength;i++) printf("f[%d]=%d\n", i, polarParams->nr_polar_E[i]);
#endif
nr_byte2bit_uint8_32_t(polarParams->nr_polar_E, polarParams->encoderLength, out);
}
......@@ -187,3 +196,76 @@ void polar_encoder_dci(uint32_t *in,
}
#endif
}
void polar_encoder_timing(uint32_t *in,
uint32_t *out,
t_nrPolar_paramsPtr polarParams,
double cpuFreqGHz,
FILE* logFile)
{
//Initiate timing.
time_stats_t timeEncoderCRCByte, timeEncoderCRCBit, timeEncoderInterleaver, timeEncoderBitInsertion, timeEncoder1, timeEncoder2, timeEncoderRateMatching, timeEncoderByte2Bit;
reset_meas(&timeEncoderCRCByte); reset_meas(&timeEncoderCRCBit); reset_meas(&timeEncoderInterleaver); reset_meas(&timeEncoderBitInsertion); reset_meas(&timeEncoder1); reset_meas(&timeEncoder2); reset_meas(&timeEncoderRateMatching); reset_meas(&timeEncoderByte2Bit);
uint16_t n_RNTI=0x0000;
start_meas(&timeEncoderCRCByte);
nr_crc_bit2bit_uint32_8_t(in, polarParams->payloadBits, polarParams->nr_polar_aPrime); //(a to a')
polarParams->crcBit = crc24c(polarParams->nr_polar_aPrime, (polarParams->payloadBits+polarParams->crcParityBits)); //Parity bits computation (p)
uint8_t arrayInd = ceil(polarParams->payloadBits / 8.0); //(a to b)
for (int i=0; i<arrayInd-1; i++)
for (int j=0; j<8; j++)
polarParams->nr_polar_B[j+(i*8)] = ((polarParams->nr_polar_aPrime[3+i]>>(7-j)) & 1);
for (int i=0; i<((polarParams->payloadBits)%8); i++) polarParams->nr_polar_B[i+(arrayInd-1)*8] = ((polarParams->nr_polar_aPrime[3+(arrayInd-1)]>>(7-i)) & 1);
for (int i=0; i<8; i++) polarParams->nr_polar_B[polarParams->payloadBits+i] = ((polarParams->crcBit)>>(31-i))&1;
for (int i=0; i<16; i++) polarParams->nr_polar_B[polarParams->payloadBits+8+i] = ( (((polarParams->crcBit)>>(23-i))&1) + ((n_RNTI>>(15-i))&1) ) % 2; //Scrambling (b to c)
stop_meas(&timeEncoderCRCByte);
start_meas(&timeEncoderCRCBit);
nr_bit2byte_uint32_8_t(in, polarParams->payloadBits, polarParams->nr_polar_A);
nr_matrix_multiplication_uint8_t_1D_uint8_t_2D(polarParams->nr_polar_A, polarParams->crc_generator_matrix, polarParams->nr_polar_crc, polarParams->payloadBits, polarParams->crcParityBits); //Calculate CRC.
for (uint8_t i = 0; i < polarParams->crcParityBits; i++) polarParams->nr_polar_crc[i] = (polarParams->nr_polar_crc[i] % 2);
for (uint16_t i = 0; i < polarParams->payloadBits; i++) polarParams->nr_polar_B[i] = polarParams->nr_polar_A[i]; //Attach CRC to the Transport Block. (a to b)
for (uint16_t i = polarParams->payloadBits; i < polarParams->K; i++) polarParams->nr_polar_B[i]= polarParams->nr_polar_crc[i-(polarParams->payloadBits)];
stop_meas(&timeEncoderCRCBit);
start_meas(&timeEncoderInterleaver); //Interleaving (c to c')
nr_polar_interleaver(polarParams->nr_polar_B, polarParams->nr_polar_CPrime, polarParams->interleaving_pattern, polarParams->K);
stop_meas(&timeEncoderInterleaver);
start_meas(&timeEncoderBitInsertion); //Bit insertion (c' to u)
nr_polar_bit_insertion(polarParams->nr_polar_CPrime, polarParams->nr_polar_U, polarParams->N, polarParams->K, polarParams->Q_I_N, polarParams->Q_PC_N, polarParams->n_pc);
stop_meas(&timeEncoderBitInsertion);
start_meas(&timeEncoder1); //Encoding (u to d)
nr_matrix_multiplication_uint8_t_1D_uint8_t_2D(polarParams->nr_polar_U, polarParams->G_N, polarParams->nr_polar_D, polarParams->N, polarParams->N);
stop_meas(&timeEncoder1);
start_meas(&timeEncoder2);
for (uint16_t i = 0; i < polarParams->N; i++) polarParams->nr_polar_D[i] = (polarParams->nr_polar_D[i] % 2);
stop_meas(&timeEncoder2);
start_meas(&timeEncoderRateMatching);//Rate matching //Sub-block interleaving (d to y) and Bit selection (y to e)
nr_polar_interleaver(polarParams->nr_polar_D, polarParams->nr_polar_E, polarParams->rate_matching_pattern, polarParams->encoderLength);
stop_meas(&timeEncoderRateMatching);
start_meas(&timeEncoderByte2Bit); //Return bits.
nr_byte2bit_uint8_32_t(polarParams->nr_polar_E, polarParams->encoderLength, out);
stop_meas(&timeEncoderByte2Bit);
fprintf(logFile,",%f,%f,%f,%f,%f,%f,%f,%f\n",
(timeEncoderCRCByte.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoderCRCBit.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoderInterleaver.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoderBitInsertion.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoder1.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoder2.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoderRateMatching.diff_now/(cpuFreqGHz*1000.0)),
(timeEncoderByte2Bit.diff_now/(cpuFreqGHz*1000.0)));
}
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