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bit endianes reversal also at the pbch rx.

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This commit is contained in:
Florian Kaltenberger
2019-01-11 14:14:18 +01:00
parent f0c6b74de1
commit 49b7d7454b
1 changed files with 16 additions and 9 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+16 -9
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@@ -530,10 +530,10 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
int max_h=0; int max_h=0;
int symbol,i; int symbol;
//uint8_t pbch_a[64]; //uint8_t pbch_a[64];
uint8_t *pbch_a = malloc(sizeof(uint8_t) * 32); uint8_t *pbch_a = malloc(sizeof(uint8_t) * 32);
uint32_t pbch_a_prime; //uint32_t pbch_a_prime;
int16_t *pbch_e_rx; int16_t *pbch_e_rx;
uint8_t *decoded_output = nr_ue_pbch_vars->decoded_output; uint8_t *decoded_output = nr_ue_pbch_vars->decoded_output;
uint8_t nushift; uint8_t nushift;
@@ -541,12 +541,12 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
uint8_t Lmax=8; //to update uint8_t Lmax=8; //to update
uint8_t ssb_index=0; uint8_t ssb_index=0;
//uint16_t crc; //uint16_t crc;
unsigned short idx_demod =0; //unsigned short idx_demod =0;
uint32_t decoderState=0; uint32_t decoderState=0;
uint8_t decoderListSize = 8, pathMetricAppr = 0; //uint8_t decoderListSize = 8, pathMetricAppr = 0;
time_stats_t polar_decoder_init,polar_rate_matching,decoding,bit_extraction,deinterleaving; //time_stats_t polar_decoder_init,polar_rate_matching,decoding,bit_extraction,deinterleaving;
time_stats_t path_metric,sorting,update_LLR; //time_stats_t path_metric,sorting,update_LLR;
memset(&pbch_a[0], 0, sizeof(uint8_t) * NR_POLAR_PBCH_PAYLOAD_BITS); memset(&pbch_a[0], 0, sizeof(uint8_t) * NR_POLAR_PBCH_PAYLOAD_BITS);
//printf("nr_pbch_ue nid_cell %d\n",frame_parms->Nid_cell); //printf("nr_pbch_ue nid_cell %d\n",frame_parms->Nid_cell);
@@ -670,11 +670,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
t_nrPolar_params *currentPtr = nr_polar_params(nr_ue_pbch_vars->nrPolar_params, NR_POLAR_PBCH_MESSAGE_TYPE, NR_POLAR_PBCH_PAYLOAD_BITS, NR_POLAR_PBCH_AGGREGATION_LEVEL); t_nrPolar_params *currentPtr = nr_polar_params(nr_ue_pbch_vars->nrPolar_params, NR_POLAR_PBCH_MESSAGE_TYPE, NR_POLAR_PBCH_PAYLOAD_BITS, NR_POLAR_PBCH_AGGREGATION_LEVEL);
decoderState = polar_decoder_int16(pbch_e_rx,(uint8_t*)&nr_ue_pbch_vars->pbch_a_prime,currentPtr); decoderState = polar_decoder_int16(pbch_e_rx,(uint64_t*)&nr_ue_pbch_vars->pbch_a_prime,currentPtr);
if(decoderState) return(decoderState); if(decoderState) return(decoderState);
// printf("polar decoder output 0x%08x\n",nr_ue_pbch_vars->pbch_a_prime); // printf("polar decoder output 0x%08x\n",nr_ue_pbch_vars->pbch_a_prime);
// Decoder reversal
uint32_t a_reversed=0;
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
a_reversed |= (((uint64_t)nr_ue_pbch_vars->pbch_a_prime>>i)&1)<<(31-i);
nr_ue_pbch_vars->pbch_a_prime = a_reversed;
//payload un-scrambling //payload un-scrambling
memset(&nr_ue_pbch_vars->pbch_a_interleaved, 0, sizeof(uint32_t) ); memset(&nr_ue_pbch_vars->pbch_a_interleaved, 0, sizeof(uint32_t) );