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rate matching formatting

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This commit is contained in:
francescomani
2025-02-04 08:21:11 +01:00
parent fc52fb8d24
commit 3bfb952989
1 changed files with 14 additions and 23 deletions
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openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_segment/nr_rate_matching.c
+14 -23
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@@ -380,24 +380,22 @@ int nr_rate_matching_ldpc(uint32_t Tbslbrm,
uint8_t rvidx, uint8_t rvidx,
uint32_t E) uint32_t E)
{ {
uint32_t Ncb, ind, k = 0, Nref, N;
if (C == 0) { if (C == 0) {
LOG_E(PHY, "nr_rate_matching: invalid parameters (C %d\n", C); LOG_E(PHY, "nr_rate_matching: invalid parameter C %d\n", C);
return -1; return -1;
} }
// Bit selection //Bit selection
N = (BG == 1) ? (66 * Z) : (50 * Z); uint32_t N = (BG == 1) ? (66 * Z) : (50 * Z);
uint32_t Ncb;
if (Tbslbrm == 0) if (Tbslbrm == 0)
Ncb = N; Ncb = N;
else { else {
Nref = 3 * Tbslbrm / (2 * C); // R_LBRM = 2/3 uint32_t Nref = 3 * Tbslbrm / (2 * C); //R_LBRM = 2/3
Ncb = min(N, Nref); Ncb = min(N, Nref);
} }
ind = (index_k0[BG - 1][rvidx] * Ncb / N) * Z; uint32_t ind = (index_k0[BG - 1][rvidx] * Ncb / N) * Z;
#ifdef RM_DEBUG #ifdef RM_DEBUG
printf("nr_rate_matching_ldpc: E %u, F %u, Foffset %u, k0 %u, Ncb %u, rvidx %d, Tbslbrm %u\n", printf("nr_rate_matching_ldpc: E %u, F %u, Foffset %u, k0 %u, Ncb %u, rvidx %d, Tbslbrm %u\n",
@@ -430,6 +428,7 @@ int nr_rate_matching_ldpc(uint32_t Tbslbrm,
if (ind >= Foffset && ind < (F + Foffset)) if (ind >= Foffset && ind < (F + Foffset))
ind = F + Foffset; ind = F + Foffset;
uint32_t k = 0;
if (ind < Foffset) { // case where we have some bits before the filler and the rest after if (ind < Foffset) { // case where we have some bits before the filler and the rest after
memcpy((void *)e, (void *)(d + ind), Foffset - ind); memcpy((void *)e, (void *)(d + ind), Foffset - ind);
@@ -476,28 +475,22 @@ int nr_rate_matching_ldpc_rx(uint32_t Tbslbrm,
uint32_t F, uint32_t F,
uint32_t Foffset) uint32_t Foffset)
{ {
uint32_t Ncb, ind, k, Nref, N;
#ifdef RM_DEBUG
int nulled = 0;
#endif
if (C == 0) { if (C == 0) {
LOG_E(PHY, "nr_rate_matching: invalid parameters (C %d\n", C); LOG_E(PHY, "nr_rate_matching: invalid parameter C %d\n", C);
return -1; return -1;
} }
// Bit selection //Bit selection
N = (BG == 1) ? (66 * Z) : (50 * Z); uint32_t N = (BG == 1) ? (66 * Z) : (50 * Z);
uint32_t Ncb;
if (Tbslbrm == 0) if (Tbslbrm == 0)
Ncb = N; Ncb = N;
else { else {
Nref = (3 * Tbslbrm / (2 * C)); // R_LBRM = 2/3 uint32_t Nref = (3 * Tbslbrm / (2 * C)); //R_LBRM = 2/3
Ncb = min(N, Nref); Ncb = min(N, Nref);
} }
ind = (index_k0[BG - 1][rvidx] * Ncb / N) * Z; uint32_t ind = (index_k0[BG - 1][rvidx] * Ncb / N) * Z;
if (Foffset > E) { if (Foffset > E) {
LOG_E(PHY, "nr_rate_matching: invalid parameters (Foffset %d > E %d)\n", Foffset, E); LOG_E(PHY, "nr_rate_matching: invalid parameters (Foffset %d > E %d)\n", Foffset, E);
return -1; return -1;
@@ -521,8 +514,7 @@ int nr_rate_matching_ldpc_rx(uint32_t Tbslbrm,
if (clear == 1) if (clear == 1)
memset(d, 0, Ncb * sizeof(int16_t)); memset(d, 0, Ncb * sizeof(int16_t));
k = 0; uint32_t k = 0;
if (ind < Foffset) if (ind < Foffset)
for (; (ind < Foffset) && (k < E); ind++) { for (; (ind < Foffset) && (k < E); ind++) {
#ifdef RM_DEBUG #ifdef RM_DEBUG
@@ -566,6 +558,5 @@ int nr_rate_matching_ldpc_rx(uint32_t Tbslbrm,
#endif #endif
} }
} }
return 0; return 0;
} }