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Commit d6b7b6b9 authored by rmagueta's avatar rmagueta
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Q_PC_N computation for n_pc_wm = 0

parent 98ed514c
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Showing with 56 additions and 42 deletions
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
View file @ d6b7b6b9
......@@ -251,12 +251,14 @@ void nr_polar_interleaving_pattern(uint16_t K,
void nr_polar_info_bit_pattern(uint8_t *ibp,
int16_t *Q_I_N,
int16_t *Q_F_N,
uint16_t *J,
int16_t *Q_PC_N,
const uint16_t *J,
const uint16_t *Q_0_Nminus1,
uint16_t K,
uint16_t N,
uint16_t E,
uint8_t n_PC);
uint8_t n_PC,
uint8_t n_pc_wm);
void nr_polar_info_bit_extraction(uint8_t *input,
uint8_t *output,
......
openair1/PHY/CODING/nrPolar_tools/nr_polar_procedures.c
View file @ d6b7b6b9
......@@ -138,14 +138,16 @@ void nr_polar_channel_interleaver_pattern(uint16_t *cip,
void nr_polar_info_bit_pattern(uint8_t *ibp,
int16_t *Q_I_N,
int16_t *Q_F_N,
uint16_t *J,
const uint16_t *Q_0_Nminus1,
uint16_t K,
uint16_t N,
uint16_t E,
uint8_t n_PC)
int16_t *Q_I_N,
int16_t *Q_F_N,
int16_t *Q_PC_N,
const uint16_t *J,
const uint16_t *Q_0_Nminus1,
uint16_t K,
uint16_t N,
uint16_t E,
uint8_t n_PC,
uint8_t n_pc_wm)
{
int16_t *Q_Ftmp_N = malloc(sizeof(int16_t) * (N + 1)); // Last element shows the final
int16_t *Q_Itmp_N = malloc(sizeof(int16_t) * (N + 1)); // array index assigned a value.
......@@ -159,44 +161,44 @@ void nr_polar_info_bit_pattern(uint8_t *ibp,
uint16_t limit, ind;
if (E < N) {
if ((K / (double) E) <= (7.0 / 16)) { //puncturing
if ((K / (double)E) <= (7.0 / 16)) { // puncturing
for (int n = 0; n <= N - E - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = J[n];
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = J[n];
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
if ((E / (double) N) >= (3.0 / 4)) {
limit = ceil((double) (3 * N - 2 * E) / 4);
for (int n = 0; n <= limit - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = n;
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
if ((E / (double)N) >= (3.0 / 4)) {
limit = ceil((double)(3 * N - 2 * E) / 4);
for (int n = 0; n <= limit - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = n;
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
} else {
limit = ceil((double) (9 * N - 4 * E) / 16);
for (int n = 0; n <= limit - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = n;
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
limit = ceil((double)(9 * N - 4 * E) / 16);
for (int n = 0; n <= limit - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = n;
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
}
} else { //shortening
} else { // shortening
for (int n = E; n <= N - 1; n++) {
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = J[n];
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
ind = Q_Ftmp_N[N] + 1;
Q_Ftmp_N[ind] = J[n];
Q_Ftmp_N[N] = Q_Ftmp_N[N] + 1;
}
}
}
//Q_I,tmp_N = Q_0_N-1 \ Q_F,tmp_N
// Q_I,tmp_N = Q_0_N-1 \ Q_F,tmp_N
for (int n = 0; n <= N - 1; n++) {
flag = 1;
for (int m = 0; m <= Q_Ftmp_N[N]; m++) {
if (Q_0_Nminus1[n] == Q_Ftmp_N[m]) {
flag = 0;
break;
flag = 0;
break;
}
}
if (flag) {
......@@ -205,19 +207,26 @@ void nr_polar_info_bit_pattern(uint8_t *ibp,
}
}
//Q_I_N comprises (K+n_PC) most reliable bit indices in Q_I,tmp_N
// Q_I_N comprises (K+n_PC) most reliable bit indices in Q_I,tmp_N
for (int n = 0; n <= (K + n_PC) - 1; n++) {
ind = Q_Itmp_N[N] + n - ((K + n_PC) - 1);
Q_I_N[n] = Q_Itmp_N[ind];
}
//Q_F_N = Q_0_N-1 \ Q_I_N
if (n_PC > 0) {
AssertFatal(n_pc_wm == 0, "Q_PC_N computation for n_pc_wm = %i is not implemented yet!\n", n_pc_wm);
for (int n = 0; n < n_PC - n_pc_wm; n++) {
Q_PC_N[n] = Q_I_N[n];
}
}
// Q_F_N = Q_0_N-1 \ Q_I_N
for (int n = 0; n <= N - 1; n++) {
flag = 1;
for (int m = 0; m <= (K + n_PC) - 1; m++) {
if (Q_0_Nminus1[n] == Q_I_N[m]) {
flag = 0;
break;
flag = 0;
break;
}
}
if (flag) {
......@@ -226,14 +235,14 @@ void nr_polar_info_bit_pattern(uint8_t *ibp,
}
}
//Information Bit Pattern
// Information Bit Pattern
for (int n = 0; n <= N - 1; n++) {
ibp[n] = 0;
for (int m = 0; m <= (K + n_PC) - 1; m++) {
if (n == Q_I_N[m]) {
ibp[n] = 1;
break;
ibp[n] = 1;
break;
}
}
}
......
openair1/PHY/CODING/nr_polar_init.c
View file @ d6b7b6b9
......@@ -244,12 +244,15 @@ t_nrPolar_params *nr_polar_params(int8_t messageType, uint16_t messageLength, ui
nr_polar_info_bit_pattern(newPolarInitNode->information_bit_pattern,
newPolarInitNode->Q_I_N,
newPolarInitNode->Q_F_N,
newPolarInitNode->Q_PC_N,
J,
newPolarInitNode->Q_0_Nminus1,
newPolarInitNode->K,
newPolarInitNode->N,
newPolarInitNode->encoderLength,
newPolarInitNode->n_pc);
newPolarInitNode->n_pc,
newPolarInitNode->n_pc_wm);
// sort the Q_I_N array in ascending order (first K positions)
qsort((void *)newPolarInitNode->Q_I_N,newPolarInitNode->K,sizeof(int16_t),intcmp);
newPolarInitNode->channel_interleaver_pattern = malloc(sizeof(uint16_t) * newPolarInitNode->encoderLength);
......
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