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PBCH and modulation bugs

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This commit is contained in:
Guy De Souza
2019-01-09 16:08:53 +01:00
parent 109f6ef426
commit 09a481d914
3 changed files with 9 additions and 3 deletions
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openair1/PHY/NR_TRANSPORT/nr_pbch.c
+7 -1
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@@ -246,6 +246,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
uint16_t M; uint16_t M;
uint8_t nushift; uint8_t nushift;
uint32_t unscrambling_mask; uint32_t unscrambling_mask;
uint64_t a_reversed=0;
LOG_I(PHY, "PBCH generation started\n"); LOG_I(PHY, "PBCH generation started\n");
@@ -300,8 +301,13 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
printf("pbch_a_prime: 0x%08x\n", pbch->pbch_a_prime); printf("pbch_a_prime: 0x%08x\n", pbch->pbch_a_prime);
#endif #endif
// Encoder reversal
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
a_reversed |= (((uint64_t)pbch->pbch_a_prime>>i)&1)<<(31-i);
/// CRC, coding and rate matching /// CRC, coding and rate matching
polar_encoder_fast (&pbch->pbch_a_prime, (uint32_t*)pbch->pbch_e, 0, polar_params); polar_encoder_fast (&a_reversed, (uint32_t*)pbch->pbch_e, 0, polar_params);
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Channel coding:\n"); printf("Channel coding:\n");
for (int i=0; i<NR_POLAR_PBCH_E_DWORD; i++) for (int i=0; i<NR_POLAR_PBCH_E_DWORD; i++)
openair1/PHY/NR_TRANSPORT/nr_pss.c
+1 -1
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@@ -48,7 +48,7 @@ int nr_generate_pss( int16_t *d_pss,
for (i=0; i < NR_PSS_LENGTH; i++) { for (i=0; i < NR_PSS_LENGTH; i++) {
m = (i + 43*Nid2)%(NR_PSS_LENGTH); m = (i + 43*Nid2)%(NR_PSS_LENGTH);
d_pss[i] = (1 - 2*x[m]) * 32767; d_pss[i] = (1 - 2*x[m]) * 23170;
} }
#ifdef NR_PSS_DEBUG #ifdef NR_PSS_DEBUG
openair1/PHY/NR_TRANSPORT/nr_sss.c
+1 -1
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@@ -57,7 +57,7 @@ int nr_generate_sss( int16_t *d_sss,
m1 = Nid1 % 112; m1 = Nid1 % 112;
for (i = 0; i < NR_SSS_LENGTH ; i++) { for (i = 0; i < NR_SSS_LENGTH ; i++) {
d_sss[i] = (1 - 2*x0[(i + m0) % NR_SSS_LENGTH] ) * (1 - 2*x1[(i + m1) % NR_SSS_LENGTH] ) * 32767; d_sss[i] = (1 - 2*x0[(i + m0) % NR_SSS_LENGTH] ) * (1 - 2*x1[(i + m1) % NR_SSS_LENGTH] ) * 23170;
} }
#ifdef NR_SSS_DEBUG #ifdef NR_SSS_DEBUG