Commit c53f7dbc authored by Florian Kaltenberger's avatar Florian Kaltenberger

Merge branch 'nr_pdsch' of https://gitlab.eurecom.fr/oai/openairinterface5g into nr_pdsch

parents 54b380be 9c1be1b4
...@@ -144,6 +144,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB, ...@@ -144,6 +144,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
} }
nr_init_pdcch_dmrs(gNB, cfg->sch_config.physical_cell_id.value); nr_init_pdcch_dmrs(gNB, cfg->sch_config.physical_cell_id.value);
nr_init_pbch_interleaver(gNB->nr_pbch_interleaver);
//PDSCH DMRS init //PDSCH DMRS init
......
...@@ -22,6 +22,7 @@ ...@@ -22,6 +22,7 @@
/*! \file PHY/NR_TRANSPORT/nr_pbch.c /*! \file PHY/NR_TRANSPORT/nr_pbch.c
* \brief Top-level routines for generating the PBCH/BCH physical/transport channel V15.1 03/2018 * \brief Top-level routines for generating the PBCH/BCH physical/transport channel V15.1 03/2018
* \author Guy De Souza * \author Guy De Souza
* \thanks Special Thanks to Son Dang for helpfull contributions and testing
* \date 2018 * \date 2018
* \version 0.1 * \version 0.1
* \company Eurecom * \company Eurecom
...@@ -41,6 +42,9 @@ ...@@ -41,6 +42,9 @@
extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT]; extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
uint8_t nr_pbch_payload_interleaving_pattern[32] = {16, 23, 18, 17, 8, 30, 10, 6, 24, 7, 0, 5, 3, 2, 1, 4,
9, 11, 12, 13, 14, 15, 19, 20, 21, 22, 25, 26, 27, 28, 29, 31};
int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs, int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
int32_t **txdataF, int32_t **txdataF,
int16_t amp, int16_t amp,
...@@ -151,66 +155,83 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch, ...@@ -151,66 +155,83 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
uint8_t nushift, uint8_t nushift,
uint16_t M, uint16_t M,
uint16_t length, uint16_t length,
uint8_t encoded) uint8_t encoded,
{ uint32_t unscrambling_mask) {
uint8_t reset, offset; uint8_t reset, offset;
uint32_t x1, x2, s=0; uint32_t x1, x2, s=0;
uint32_t *pbch_e = pbch->pbch_e; uint32_t *pbch_e = pbch->pbch_e;
uint32_t unscrambling_mask = 0x100006D;
reset = 1; reset = 1;
// x1 is set in lte_gold_generic // x1 is set in lte_gold_generic
x2 = Nid; x2 = Nid;
// The Gold sequence is shifted by nushift* M, so we skip (nushift*M /32) double words // The Gold sequence is shifted by nushift* M, so we skip (nushift*M /32) double words
for (int i=0; i<(uint16_t)ceil(((float)nushift*M)/32); i++) { for (int i=0; i<(uint16_t)ceil(((float)nushift*M)/32); i++) {
s = lte_gold_generic(&x1, &x2, reset); s = lte_gold_generic(&x1, &x2, reset);
reset = 0; reset = 0;
} }
// Scrambling is now done with offset (nushift*M)%32 // Scrambling is now done with offset (nushift*M)%32
offset = (nushift*M)&0x1f; offset = (nushift*M)&0x1f;
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Scrambling params: nushift %d M %d length %d encoded %d offset %d\n", nushift, M, length, encoded, offset); printf("Scrambling params: nushift %d M %d length %d encoded %d offset %d\n", nushift, M, length, encoded, offset);
#endif #endif
for (int i=0; i<length; i++) {
if (((i+offset)&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("s: %04x\t", s); printf("s: %04x\t", s);
#endif #endif
if (!encoded) int k = 0;
pbch->pbch_a_prime ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_interleaved>>i)&1)<<i : (((pbch->pbch_a_interleaved>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i;
if (!encoded) {
/// 1st Scrambling
for (int i = 0; i < length; ++i) {
if ((unscrambling_mask>>i)&1)
pbch->pbch_a_prime ^= ((pbch->pbch_a_interleaved>>i)&1)<<i;
else {
if (((k+offset)&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
pbch->pbch_a_prime ^= (((pbch->pbch_a_interleaved>>i)&1) ^ ((s>>((k+offset)&0x1f))&1))<<i;
k++; /// k increase only when payload bit is not special bit
}
}
} else {
/// 2nd Scrambling
for (int i = 0; i < length; ++i) {
if (((i+offset)&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
else
pbch_e[i>>5] ^= (((s>>((i+offset)&0x1f))&1)<<(i&0x1f)); pbch_e[i>>5] ^= (((s>>((i+offset)&0x1f))&1)<<(i&0x1f));
}
} }
} }
// This portion of code is temporarily kept until the optimized version is validated
uint8_t nr_pbch_payload_interleaving_pattern[32] = {16, 23, 18, 17, 8, 30, 10, 6, 24, 7, 0, 5, 3, 2, 1, 4,
9, 11, 12, 13, 14, 15, 19, 20, 21, 22, 25, 26, 27, 28, 29, 31};
uint8_t nr_pbch_payload_interleaver(uint8_t i) { void nr_init_pbch_interleaver(uint8_t *interleaver) {
uint8_t j_sfn=6, j_hrf=10, j_ssb=11, j_other=14; uint8_t j_sfn=0, j_hrf=10, j_ssb=11, j_other=14;
memset((void*)interleaver,0, NR_POLAR_PBCH_PAYLOAD_BITS);
if (24<=i && i<=27) //Sfn bits
return nr_pbch_payload_interleaving_pattern[j_sfn + i -24]; for (uint8_t i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
else if (i==28) // Hrf bit if (!i) // choice bit:1
return nr_pbch_payload_interleaving_pattern[j_hrf]; *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_other++);
else if (29<=i) // Ssb bits else if (i<7) //Sfn bits:6
return nr_pbch_payload_interleaving_pattern[j_ssb + (i-29)]; *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_sfn++);
else else if (i<24) // other:17
return nr_pbch_payload_interleaving_pattern[(j_other + i)&0x1f]; *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_other++);
else if (i<28) // Sfn:4
*(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_sfn++);
else if (i==28) // Hrf bit:1
*(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_hrf);
else // Ssb bits:3
*(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_ssb++);
} }
/*This pattern takes into account the adjustments for the field specific counters j_sfn, j_hrf, j_ssb and j_other*/
//uint8_t nr_pbch_payload_interleaving_pattern[32] = {1,4,9,11,12,13,14,15,19,20,21,22,25,26,27,28,
// 29,31,16,23,18,17,8,30,10,6,24,7,0,5,3,2};
int nr_generate_pbch(NR_gNB_PBCH *pbch, int nr_generate_pbch(NR_gNB_PBCH *pbch,
t_nrPolar_paramsPtr polar_params, t_nrPolar_paramsPtr polar_params,
uint8_t *pbch_pdu, uint8_t *pbch_pdu,
uint8_t *interleaver,
int32_t **txdataF, int32_t **txdataF,
int16_t amp, int16_t amp,
uint8_t ssb_start_symbol, uint8_t ssb_start_symbol,
...@@ -228,50 +249,42 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch, ...@@ -228,50 +249,42 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
uint8_t idx=0; uint8_t idx=0;
uint16_t M; uint16_t M;
uint8_t nushift; uint8_t nushift;
uint8_t *xbyte = pbch->pbch_a; uint32_t unscrambling_mask;
memset((void*) xbyte, 0, 1);
//uint8_t pbch_a_b[32];
// LOG_D(PHY, "PBCH generation started\n"); LOG_I(PHY, "PBCH generation started\n");
memset((void*)pbch, 0, sizeof(NR_gNB_PBCH));
///Payload generation ///Payload generation
// Fix byte endian
if (!(sfn&7)) memset((void*)pbch, 0, sizeof(NR_gNB_PBCH));
for (int i=0; i<(NR_PBCH_PDU_BITS>>3); i++) pbch->pbch_a=0;
pbch->pbch_a[(NR_POLAR_PBCH_PAYLOAD_BITS>>3)-i-1] = pbch_pdu[i]; for (int i=0; i<NR_PBCH_PDU_BITS; i++)
pbch->pbch_a |= ((pbch_pdu[2-(i>>3)]>>(7-(i&7)))&1)<<i;
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Byte endian fix:\n"); for (int i=0; i<3; i++)
for (int i=0; i<4; i++) printf("pbch_pdu[%d]: 0x%02x\n", i, pbch_pdu[i]);
printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]); printf("PBCH payload = 0x%08x\n",pbch->pbch_a);
#endif #endif
// Extra byte generation // Extra byte generation
for (int i=0; i<4; i++) for (int i=0; i<4; i++)
(*xbyte) ^= ((sfn>>i)&1)<<i; // 4 lsb of sfn pbch->pbch_a |= ((sfn>>(3-i))&1)<<(24+i); // resp. 4th, 3rd, 2nd ans 1st lsb of sfn
(*xbyte) ^= n_hf<<4; // half frame index bit pbch->pbch_a |= n_hf<<28; // half frame index bit
if (Lmax == 64) if (Lmax == 64)
for (int i=0; i<3; i++) for (int i=0; i<3; i++)
(*xbyte) ^= ((ssb_index>>(3+i))&1)<<(5+i); // resp. 4th, 5th and 6th bits of ssb_index pbch->pbch_a |= ((ssb_index>>(5-i))&1)<<(29+i); // resp. 6th, 5th and 4th bits of ssb_index
else else
(*xbyte) ^= ((config->sch_config.ssb_subcarrier_offset.value>>5)&1)<<5; //MSB of k_SSB pbch->pbch_a |= ((config->sch_config.ssb_subcarrier_offset.value>>4)&1)<<29; //MSB of k_SSB (bit index 4)
#ifdef DEBUG_PBCH_ENCODING
printf("Extra byte:\n");
for (int i=0; i<4; i++)
printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]);
#endif
// Payload interleaving LOG_I(PHY,"After extra byte: pbch_a = 0x%08x\n",pbch->pbch_a);
uint32_t in=0;
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS>>3; i++)
in |= (uint32_t)(pbch->pbch_a[i]<<((3-i)<<3));
for (int i=0; i<32; i++) { // Payload interleaving
pbch->pbch_a_interleaved |= ((in>>i)&1)<<(nr_pbch_payload_interleaver(i));//nr_pbch_payload_interleaving_pattern[i]
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++) {
pbch->pbch_a_interleaved |= ((pbch->pbch_a>>i)&1)<<(*(interleaver+i));
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("i %d in 0x%08x out 0x%08x ilv %d (in>>i)&1) %d\n", i, in, pbch->pbch_a_interleaved, nr_pbch_payload_interleaver(i), (in>>i)&1); printf("i %d out 0x%08x ilv %d (in>>i)&1) %d\n", i, pbch->pbch_a_interleaved, *(interleaver+i), (pbch->pbch_a>>i)&1);
#endif #endif
} }
...@@ -281,10 +294,11 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch, ...@@ -281,10 +294,11 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
#endif #endif
// Scrambling // Scrambling
unscrambling_mask = (Lmax ==64)? 0x100006D:0x1000041;
M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3); M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3);
nushift = (((sfn>>2)&1)<<1) ^ ((sfn>>1)&1); nushift = (((sfn>>2)&1)<<1) ^ ((sfn>>1)&1);
pbch->pbch_a_prime = 0; pbch->pbch_a_prime = 0;
nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 0); nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 0, unscrambling_mask);
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Payload scrambling: nushift %d M %d sfn3 %d sfn2 %d\n", nushift, M, (sfn>>2)&1, (sfn>>1)&1); printf("Payload scrambling: nushift %d M %d sfn3 %d sfn2 %d\n", nushift, M, (sfn>>2)&1, (sfn>>1)&1);
printf("pbch_a_prime: 0x%08x\n", pbch->pbch_a_prime); printf("pbch_a_prime: 0x%08x\n", pbch->pbch_a_prime);
...@@ -302,7 +316,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch, ...@@ -302,7 +316,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
/// Scrambling /// Scrambling
M = NR_POLAR_PBCH_E; M = NR_POLAR_PBCH_E;
nushift = (Lmax==4)? ssb_index&3 : ssb_index&7; nushift = (Lmax==4)? ssb_index&3 : ssb_index&7;
nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 1); nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 1, 0);
#ifdef DEBUG_PBCH_ENCODING #ifdef DEBUG_PBCH_ENCODING
printf("Scrambling:\n"); printf("Scrambling:\n");
for (int i=0; i<NR_POLAR_PBCH_E_DWORD; i++) for (int i=0; i<NR_POLAR_PBCH_E_DWORD; i++)
......
...@@ -75,7 +75,8 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch, ...@@ -75,7 +75,8 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
uint8_t nushift, uint8_t nushift,
uint16_t M, uint16_t M,
uint16_t length, uint16_t length,
uint8_t encoded); uint8_t encoded,
uint32_t unscrambling_mask);
/*! /*!
\fn int nr_generate_pbch \fn int nr_generate_pbch
...@@ -86,6 +87,7 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch, ...@@ -86,6 +87,7 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
int nr_generate_pbch(NR_gNB_PBCH *pbch, int nr_generate_pbch(NR_gNB_PBCH *pbch,
t_nrPolar_paramsPtr polar_params, t_nrPolar_paramsPtr polar_params,
uint8_t *pbch_pdu, uint8_t *pbch_pdu,
uint8_t *interleaver,
int32_t **txdataF, int32_t **txdataF,
int16_t amp, int16_t amp,
uint8_t ssb_start_symbol, uint8_t ssb_start_symbol,
...@@ -102,7 +104,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch, ...@@ -102,7 +104,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
@param bit index i of the input payload @param bit index i of the input payload
@returns the bit index of the output @returns the bit index of the output
*/ */
uint8_t nr_pbch_payload_interleaver(uint8_t i); void nr_init_pbch_interleaver(uint8_t *interleaver);
NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo, NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,
unsigned char Mdlharq, unsigned char Mdlharq,
......
...@@ -437,14 +437,14 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch, ...@@ -437,14 +437,14 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch,
uint8_t nushift, uint8_t nushift,
uint16_t M, uint16_t M,
uint16_t length, uint16_t length,
uint8_t bitwise) uint8_t bitwise,
uint32_t unscrambling_mask)
{ {
uint8_t reset, offset; uint8_t reset, offset;
uint32_t x1, x2, s=0; uint32_t x1, x2, s=0;
uint8_t k=0;
int16_t *demod_pbch_e = pbch->llr; int16_t *demod_pbch_e = pbch->llr;
uint32_t unscrambling_mask = 0x100006D;
reset = 1; reset = 1;
// x1 is set in first call to lte_gold_generic // x1 is set in first call to lte_gold_generic
...@@ -470,7 +470,8 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch, ...@@ -470,7 +470,8 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch,
#endif #endif
if (bitwise) { if (bitwise) {
(pbch->pbch_a_interleaved) ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_prime>>i)&1)<<i : (((pbch->pbch_a_prime>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i; (pbch->pbch_a_interleaved) ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_prime>>i)&1)<<i : (((pbch->pbch_a_prime>>i)&1) ^ ((s>>((k+offset)&0x1f))&1))<<i;
k+=!((unscrambling_mask>>i)&1);
} }
else { else {
...@@ -508,7 +509,7 @@ unsigned char sign(int8_t x) { ...@@ -508,7 +509,7 @@ unsigned char sign(int8_t x) {
} }
*/ */
uint8_t pbch_deinterleaving_pattern[32] = {28,0,31,30,1,29,25,27,22,2,24,3,4,5,6,7,18,21,20,8,9,10,11,19,26,12,13,14,15,16,23,17}; uint8_t pbch_deinterleaving_pattern[32] = {28,0,31,30,7,29,25,27,5,8,24,9,10,11,12,13,1,4,3,14,15,16,17,2,26,18,19,20,21,22,30,23};
int nr_rx_pbch( PHY_VARS_NR_UE *ue, int nr_rx_pbch( PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc, UE_nr_rxtx_proc_t *proc,
...@@ -647,7 +648,8 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue, ...@@ -647,7 +648,8 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
//un-scrambling //un-scrambling
M = NR_POLAR_PBCH_E; M = NR_POLAR_PBCH_E;
nushift = (Lmax==4)? ssb_index&3 : ssb_index&7; nushift = (Lmax==4)? ssb_index&3 : ssb_index&7;
nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_E,0); uint32_t unscrambling_mask = (Lmax==64)?0x100006D:0x1000041;
nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_E,0,0);
...@@ -664,18 +666,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue, ...@@ -664,18 +666,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
if(decoderState == -1) if(decoderState == -1)
return(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);
//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) );
M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3); M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3);
nushift = ((nr_ue_pbch_vars->pbch_a_prime>>6)&1) ^ (((nr_ue_pbch_vars->pbch_a_prime>>24)&1)<<1); nushift = ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) ^ (((nr_ue_pbch_vars->pbch_a_prime>>6)&1)<<1);
nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_PAYLOAD_BITS,1); nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_PAYLOAD_BITS,1,unscrambling_mask);
printf("nushift %d sfn 3rd %d 2nd %d", nushift,((nr_ue_pbch_vars->pbch_a_prime>>6)&1), ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) );
//payload deinterleaving //payload deinterleaving
//uint32_t in=0; //uint32_t in=0;
uint32_t out=0; uint32_t out=0;
for (int i=0; i<32; i++) { for (int i=0; i<32; i++) {
out |= ((nr_ue_pbch_vars->pbch_a_interleaved>>i)&1)<<(pbch_deinterleaving_pattern[i]); out |= ((nr_ue_pbch_vars->pbch_a_interleaved>>i)&1)<<(pbch_deinterleaving_pattern[i]);
#ifdef DEBUG_PBCH #ifdef DEBUG_PBCH
...@@ -683,14 +685,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue, ...@@ -683,14 +685,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
#endif #endif
} }
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS>>3; i++) uint32_t payload = 0;
decoded_output[i] = (uint8_t)((out>>(i<<3))&0xff); uint8_t xtra_byte = 0;
xtra_byte = (out>>24)&0xff;
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
payload |= ((out>>i)&1)<<(NR_POLAR_PBCH_PAYLOAD_BITS-i-1);
for (int i=0; i<3; i++)
decoded_output[i] = (uint8_t)((payload>>((3-i)<<3))&0xff);
// Fix byte endian
// for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++)
// decoded_output[(NR_POLAR_PBCH_PAYLOAD_BITS>>3)-i-1] = pbch_a[i];
#ifdef DEBUG_PBCH #ifdef DEBUG_PBCH
printf("xtra_byte %x payload %x\n", xtra_byte, payload);
for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++){ for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++){
// printf("unscrambling pbch_a[%d] = %x \n", i,pbch_a[i]); // printf("unscrambling pbch_a[%d] = %x \n", i,pbch_a[i]);
printf("[PBCH] decoder payload[%d] = %x\n",i,decoded_output[i]); printf("[PBCH] decoder payload[%d] = %x\n",i,decoded_output[i]);
...@@ -703,7 +709,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue, ...@@ -703,7 +709,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
ue->rx_ind.rx_indication_body = (fapi_nr_rx_indication_body_t *)malloc(sizeof(fapi_nr_rx_indication_body_t)); ue->rx_ind.rx_indication_body = (fapi_nr_rx_indication_body_t *)malloc(sizeof(fapi_nr_rx_indication_body_t));
ue->rx_ind.rx_indication_body->pdu_type = FAPI_NR_RX_PDU_TYPE_MIB; ue->rx_ind.rx_indication_body->pdu_type = FAPI_NR_RX_PDU_TYPE_MIB;
ue->rx_ind.rx_indication_body->mib_pdu.pdu = &decoded_output[0]; ue->rx_ind.rx_indication_body->mib_pdu.pdu = &decoded_output[0];
ue->rx_ind.rx_indication_body->mib_pdu.additional_bits = decoded_output[3]; ue->rx_ind.rx_indication_body->mib_pdu.additional_bits = xtra_byte;
ue->rx_ind.rx_indication_body->mib_pdu.ssb_index = ssb_index; // confirm with TCL ue->rx_ind.rx_indication_body->mib_pdu.ssb_index = ssb_index; // confirm with TCL
ue->rx_ind.rx_indication_body->mib_pdu.ssb_length = Lmax; // confirm with TCL ue->rx_ind.rx_indication_body->mib_pdu.ssb_length = Lmax; // confirm with TCL
ue->rx_ind.rx_indication_body->mib_pdu.cell_id = frame_parms->Nid_cell; // confirm with TCL ue->rx_ind.rx_indication_body->mib_pdu.cell_id = frame_parms->Nid_cell; // confirm with TCL
......
...@@ -42,7 +42,7 @@ ...@@ -42,7 +42,7 @@
#define MAX_NUM_RU_PER_gNB MAX_NUM_RU_PER_eNB #define MAX_NUM_RU_PER_gNB MAX_NUM_RU_PER_eNB
typedef struct { typedef struct {
uint8_t pbch_a[NR_POLAR_PBCH_PAYLOAD_BITS>>3]; uint32_t pbch_a;
uint32_t pbch_a_interleaved; uint32_t pbch_a_interleaved;
uint32_t pbch_a_prime; uint32_t pbch_a_prime;
uint32_t pbch_e[NR_POLAR_PBCH_E_DWORD]; uint32_t pbch_e[NR_POLAR_PBCH_E_DWORD];
...@@ -410,6 +410,9 @@ typedef struct PHY_VARS_gNB_s { ...@@ -410,6 +410,9 @@ typedef struct PHY_VARS_gNB_s {
/// PBCH DMRS sequence /// PBCH DMRS sequence
uint32_t nr_gold_pbch_dmrs[2][64][NR_PBCH_DMRS_LENGTH_DWORD]; uint32_t nr_gold_pbch_dmrs[2][64][NR_PBCH_DMRS_LENGTH_DWORD];
/// PBCH interleaver
uint8_t nr_pbch_interleaver[NR_POLAR_PBCH_PAYLOAD_BITS];
/// PDCCH DMRS sequence /// PDCCH DMRS sequence
uint32_t ***nr_gold_pdcch_dmrs; uint32_t ***nr_gold_pdcch_dmrs;
......
...@@ -147,7 +147,15 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int subframe) { ...@@ -147,7 +147,15 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int subframe) {
gNB->pbch_configured = 0; gNB->pbch_configured = 0;
} }
nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],txdataF, AMP_OVER_2, ssb_start_symbol, cfg, fp); nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],txdataF, AMP_OVER_2, ssb_start_symbol, cfg, fp);
nr_generate_pbch(&gNB->pbch, gNB->nrPolar_params, pbch_pdu, txdataF, AMP_OVER_2, ssb_start_symbol, n_hf, Lmax, ssb_index, frame, cfg, fp); nr_generate_pbch(&gNB->pbch,
gNB->nrPolar_params,
pbch_pdu,
gNB->nr_pbch_interleaver,
txdataF,
AMP_OVER_2,
ssb_start_symbol,
n_hf,Lmax,ssb_index,
frame, cfg, fp);
} }
} }
......
...@@ -220,7 +220,7 @@ int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){ ...@@ -220,7 +220,7 @@ int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){
printf("dmrs type A position: %d\n", phy_config->config_req.pbch_config.dmrs_type_a_position); printf("dmrs type A position: %d\n", phy_config->config_req.pbch_config.dmrs_type_a_position);
printf("pdcch config sib1: %d\n", phy_config->config_req.pbch_config.pdcch_config_sib1); printf("pdcch config sib1: %d\n", phy_config->config_req.pbch_config.pdcch_config_sib1);
printf("cell barred: %d\n", phy_config->config_req.pbch_config.cell_barred); printf("cell barred: %d\n", phy_config->config_req.pbch_config.cell_barred);
printf("intra frequcney reselection: %d\n", phy_config->config_req.pbch_config.intra_frequency_reselection); printf("intra frequency reselection: %d\n", phy_config->config_req.pbch_config.intra_frequency_reselection);
printf("system frame number: %d\n", phy_config->config_req.pbch_config.system_frame_number); printf("system frame number: %d\n", phy_config->config_req.pbch_config.system_frame_number);
printf("ssb index: %d\n", phy_config->config_req.pbch_config.ssb_index); printf("ssb index: %d\n", phy_config->config_req.pbch_config.ssb_index);
printf("half frame bit: %d\n", phy_config->config_req.pbch_config.half_frame_bit); printf("half frame bit: %d\n", phy_config->config_req.pbch_config.half_frame_bit);
......
...@@ -210,12 +210,14 @@ int8_t nr_ue_decode_mib( ...@@ -210,12 +210,14 @@ int8_t nr_ue_decode_mib(
AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n"); AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n");
//if(mac->mib != NULL){ //if(mac->mib != NULL){
uint32_t frame = (mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused); uint16_t frame = (mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused);
uint32_t frame_number_4lsb = (uint32_t)(extra_bits & 0xf); // extra bits[0:3] uint16_t frame_number_4lsb = 0;
uint32_t half_frame_bit = (uint32_t)(( extra_bits >> 4 ) & 0x1 ); // extra bits[4] for (int i=0; i<4; i++)
uint32_t ssb_subcarrier_offset_msb = (uint32_t)(( extra_bits >> 5 ) & 0x1 ); // extra bits[5] frame_number_4lsb |= ((extra_bits>>i)&1)<<(3-i);
uint8_t half_frame_bit = ( extra_bits >> 4 ) & 0x1; // extra bits[4]
uint8_t ssb_subcarrier_offset_msb = ( extra_bits >> 5 ) & 0x1; // extra bits[5]
uint32_t ssb_subcarrier_offset = mac->mib->ssb_SubcarrierOffset; uint8_t ssb_subcarrier_offset = (uint8_t)mac->mib->ssb_SubcarrierOffset;
//uint32_t ssb_index = 0; // TODO: ssb_index should obtain from L1 in case Lssb != 64 //uint32_t ssb_index = 0; // TODO: ssb_index should obtain from L1 in case Lssb != 64
...@@ -238,7 +240,7 @@ int8_t nr_ue_decode_mib( ...@@ -238,7 +240,7 @@ int8_t nr_ue_decode_mib(
printf("dmrs type A position: %d\n", (int)mac->mib->dmrs_TypeA_Position); printf("dmrs type A position: %d\n", (int)mac->mib->dmrs_TypeA_Position);
printf("pdcch config sib1: %d\n", (int)mac->mib->pdcch_ConfigSIB1); printf("pdcch config sib1: %d\n", (int)mac->mib->pdcch_ConfigSIB1);
printf("cell barred: %d\n", (int)mac->mib->cellBarred); printf("cell barred: %d\n", (int)mac->mib->cellBarred);
printf("intra frequcney reselection: %d\n", (int)mac->mib->intraFreqReselection); printf("intra frequency reselection: %d\n", (int)mac->mib->intraFreqReselection);
printf("half frame bit(extra bits): %d\n", (int)half_frame_bit); printf("half frame bit(extra bits): %d\n", (int)half_frame_bit);
printf("ssb index(extra bits): %d\n", (int)ssb_index); printf("ssb index(extra bits): %d\n", (int)ssb_index);
#endif #endif
...@@ -254,7 +256,6 @@ int8_t nr_ue_decode_mib( ...@@ -254,7 +256,6 @@ int8_t nr_ue_decode_mib(
}else{ //NR_MIB__subCarrierSpacingCommon_scs30or120 }else{ //NR_MIB__subCarrierSpacingCommon_scs30or120
scs_pdcch = scs_30kHz; scs_pdcch = scs_30kHz;
} }
scs_pdcch = 2;
channel_bandwidth_t min_channel_bw = bw_40MHz; // deafult for testing channel_bandwidth_t min_channel_bw = bw_40MHz; // deafult for testing
......
...@@ -167,4 +167,8 @@ typedef struct gNB_MAC_INST_s { ...@@ -167,4 +167,8 @@ typedef struct gNB_MAC_INST_s {
time_stats_t schedule_pch; time_stats_t schedule_pch;
} gNB_MAC_INST; } gNB_MAC_INST;
void nr_schedule_css_dlsch_phytest(module_id_t module_idP,
frame_t frameP,
sub_frame_t subframeP);
#endif /*__LAYER2_NR_MAC_GNB_H__ */ #endif /*__LAYER2_NR_MAC_GNB_H__ */
...@@ -215,7 +215,7 @@ int otg_enabled; ...@@ -215,7 +215,7 @@ int otg_enabled;
//static NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]; //static NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs];
static nfapi_nr_config_request_t *config[MAX_NUM_CCs]; //static nfapi_nr_config_request_t *config[MAX_NUM_CCs];
uint32_t target_dl_mcs = 28; //maximum allowed mcs uint32_t target_dl_mcs = 28; //maximum allowed mcs
uint32_t target_ul_mcs = 20; uint32_t target_ul_mcs = 20;
uint32_t timing_advance = 0; uint32_t timing_advance = 0;
......
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