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Merge branch 'develop-nr' into nr_pdcch

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This commit is contained in:
Guy De Souza
2018-07-12 16:14:40 +02:00
parent 817ea15e9c f90bb55383
commit 7a27b520ff
32 changed files with 595 additions and 434 deletions
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openair1/PHY/INIT/nr_init.c
+3 -2
View File
@@ -36,6 +36,7 @@
#include "PHY/NR_REFSIG/nr_refsig.h"
#include "PHY/LTE_REFSIG/lte_refsig.h"
#include "SCHED_NR/fapi_nr_l1.h"
extern uint32_t from_earfcn(int eutra_bandP,uint32_t dl_earfcn);
extern int32_t get_uldl_offset(int eutra_bandP);
@@ -65,8 +66,8 @@ int l1_north_init_gNB() {
LOG_I(PHY,"%s() RC.gNB[%d][%d] installing callbacks\n", __FUNCTION__, i, j);
RC.gNB[i][j]->if_inst->PHY_config_req = nr_phy_config_request;
RC.gNB[i][j]->if_inst->schedule_response = schedule_response;
RC.gNB[i][j]->if_inst->NR_PHY_config_req = nr_phy_config_request;
RC.gNB[i][j]->if_inst->NR_Schedule_response = nr_schedule_response;
}
}
}
openair1/PHY/NR_TRANSPORT/nr_pbch.c
+34 -19
View File
@@ -143,7 +143,7 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
uint8_t *pbch_e = pbch->pbch_e;
uint32_t *pbch_a_prime = (uint32_t*)pbch->pbch_a_prime;
uint32_t *pbch_a_interleaved = (uint32_t*)pbch->pbch_a_interleaved;
uint32_t unscrambling_mask = 0x87002D;
uint32_t unscrambling_mask = 0x100006D;
reset = 1;
// x1 is set in lte_gold_generic
@@ -177,21 +177,26 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
}
}
uint8_t nr_pbch_payload_interleaving_pattern[32] = {16, 23, 18, 17, 8, 30, 10, 6, 24, 7, 0, 5, 3, 2, 1, 4,
/* 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) {
uint8_t j_sfn=0, j_hrf=10, j_ssb=11, j_other=14;
if (24<=i && i<=27) //Sfn bits
return nr_pbch_payload_interleaving_pattern[j_sfn + i -24];
if (18<=i && i<=27) //Sfn bits
return nr_pbch_payload_interleaving_pattern[j_sfn + i -18];
else if (i==28) // Hrf bit
return nr_pbch_payload_interleaving_pattern[j_hrf];
else if (29<=i) // Ssb bits
return nr_pbch_payload_interleaving_pattern[j_ssb + (i-29)];
else
return nr_pbch_payload_interleaving_pattern[j_other + i];
}
}*/
/*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,
uint8_t *pbch_pdu,
@@ -212,6 +217,8 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
uint8_t idx=0;
uint16_t M;
uint8_t nushift;
uint8_t *xbyte = pbch->pbch_a;
memset((void*) xbyte, 0, 1);
LOG_I(PHY, "PBCH generation started\n");
@@ -223,13 +230,10 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
#ifdef DEBUG_PBCH_ENCODING
printf("Byte endian fix:\n");
for (int i=0; i<4; i++)
printf("pbch_a[%d]: 0x%04x\n", i, pbch->pbch_a[i]);
printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]);
#endif
// Extra byte generation
uint8_t *xbyte = pbch->pbch_a;
//memset((void*) xbyte, 0, 1);
for (int i=0; i<4; i++)
(*xbyte) ^= ((sfn>>i)&1)<<i; // 4 lsb of sfn
@@ -243,18 +247,28 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
#ifdef DEBUG_PBCH_ENCODING
printf("Extra byte:\n");
for (int i=0; i<4; i++)
printf("pbch_a[%d]: 0x%04x\n", i, pbch->pbch_a[i]);
printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]);
#endif
// Payload interleaving
uint32_t* input = (uint32_t*)pbch->pbch_a;
uint32_t* output = (uint32_t*)pbch->pbch_a_interleaved;
for (int i=0; i<32; i++)
(*output) |= (((*input)>>i)&1)<<(nr_pbch_payload_interleaver(i));
uint32_t in=0, out=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++) {
out |= ((in>>i)&1)<<(nr_pbch_payload_interleaving_pattern[i]);
#ifdef DEBUG_PBCH_ENCODING
printf("i %d in 0x%08x out 0x%08x ilv %d (in>>i)&1) 0x%08x\n", i, in, out, nr_pbch_payload_interleaving_pattern[i], (in>>i)&1);
#endif
}
for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS>>3; i++)
pbch->pbch_a_interleaved[i] = (uint8_t)((out>>(i<<3))&0xff);
#ifdef DEBUG_PBCH_ENCODING
printf("Interleaving:\n");
for (int i=0; i<4; i++)
printf("pbch_a_interleaved[%d]: 0x%04x\n", i, pbch->pbch_a_interleaved[i]);
printf("pbch_a_interleaved[%d]: 0x%02x\n", i, pbch->pbch_a_interleaved[i]);
#endif
// Scrambling
@@ -264,7 +278,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
#ifdef DEBUG_PBCH_ENCODING
printf("Payload scrambling:\n");
for (int i=0; i<4; i++)
printf("pbch_a_prime[%d]: 0x%04x\n", i, pbch->pbch_a_prime[i]);
printf("pbch_a_prime[%d]: 0x%02x\n", i, pbch->pbch_a_prime[i]);
#endif
@@ -273,18 +287,18 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
#ifdef DEBUG_PBCH_ENCODING
printf("Channel coding:\n");
for (int i=0; i<NR_POLAR_PBCH_E>>3; i++)
printf("pbch_e[%d]: 0x%04x\t", i, pbch->pbch_e[i]);
printf("pbch_e[%d]: 0x%02x\t", i, pbch->pbch_e[i]);
printf("\n");
#endif
/// Scrambling
M = NR_POLAR_PBCH_E;
nushift = config->sch_config.physical_cell_id.value &3;;
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, 0);
#ifdef DEBUG_PBCH_ENCODING
printf("Scrambling:\n");
for (int i=0; i<NR_POLAR_PBCH_E>>3; i++)
printf("pbch_e[%d]: 0x%04x\t", i, pbch->pbch_e[i]);
printf("pbch_e[%d]: 0x%02x\t", i, pbch->pbch_e[i]);
printf("\n");
#endif
@@ -300,6 +314,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
}
/// Resource mapping
nushift = config->sch_config.physical_cell_id.value &3;
a = (config->rf_config.tx_antenna_ports.value == 1) ? amp : (amp*ONE_OVER_SQRT2_Q15)>>15;
for (int aa = 0; aa < config->rf_config.tx_antenna_ports.value; aa++)
openair1/PHY/phy_extern_nr_ue.h
+1 -1
View File
@@ -23,7 +23,7 @@
#define __PHY_EXTERN_UE__H__
#include "PHY/defs_nr_UE.h"
#include "common/ran_context.h"
//#include "common/ran_context.h"
extern char* namepointer_chMag ;
extern char* namepointer_log2;
openair1/SCHED_NR/fapi_nr_l1.c
+114
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@@ -0,0 +1,114 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file fapi_l1.c
* \brief functions for FAPI L1 interface
* \author R. Knopp
* \date 2017
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "fapi_nr_l1.h"
int oai_nfapi_nr_dl_config_req(nfapi_nr_dl_config_request_t *dl_config_req);
int oai_nfapi_tx_req(nfapi_tx_request_t *tx_req);
extern uint8_t nfapi_mode;
void handle_nr_nfapi_bch_pdu(PHY_VARS_gNB *gNB,
gNB_rxtx_proc_t *proc,
nfapi_nr_dl_config_request_pdu_t *dl_config_pdu,
uint8_t *sdu)
{
AssertFatal(dl_config_pdu->bch_pdu_rel15.length == 3, "BCH PDU has length %d != 3\n",
dl_config_pdu->bch_pdu_rel15.length);
LOG_I(PHY,"pbch_pdu[0]: %x,pbch_pdu[1]: %x,gNB->pbch_pdu[2]: %x\n",sdu[0],sdu[1],sdu[2]);
gNB->pbch_pdu[0] = sdu[2];
gNB->pbch_pdu[1] = sdu[1];
gNB->pbch_pdu[2] = sdu[0];
// adjust transmit amplitude here based on NFAPI info
}
void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
PHY_VARS_gNB *gNB;
gNB_rxtx_proc_t *proc;
// copy data from L2 interface into L1 structures
module_id_t Mod_id = Sched_INFO->module_id;
uint8_t CC_id = Sched_INFO->CC_id;
nfapi_nr_dl_config_request_t *DL_req = Sched_INFO->DL_req;
nfapi_tx_request_t *TX_req = Sched_INFO->TX_req;
frame_t frame = Sched_INFO->frame;
sub_frame_t subframe = Sched_INFO->subframe;
AssertFatal(RC.gNB!=NULL,"RC.gNB is null\n");
AssertFatal(RC.gNB[Mod_id]!=NULL,"RC.gNB[%d] is null\n",Mod_id);
AssertFatal(RC.gNB[Mod_id][CC_id]!=NULL,"RC.gNB[%d][%d] is null\n",Mod_id,CC_id);
gNB = RC.gNB[Mod_id][CC_id];
proc = &gNB->proc.proc_rxtx[0];
uint8_t number_dl_pdu = DL_req->dl_config_request_body.number_pdu;
nfapi_nr_dl_config_request_pdu_t *dl_config_pdu;
int i;
LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SF:%04d%d DL_req:SFN/SF:%04d%d:dl_pdu:%d tx_req:SFN/SF:%04d%d:pdus:%d \n",
frame,subframe,
NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),number_dl_pdu,
NFAPI_SFNSF2SFN(TX_req->sfn_sf),NFAPI_SFNSF2SF(TX_req->sfn_sf),TX_req->tx_request_body.number_of_pdus);
int do_oai =0;
int dont_send =0;
for (i=0;i<number_dl_pdu;i++) {
dl_config_pdu = &DL_req->dl_config_request_body.dl_config_pdu_list[i];
//LOG_D(PHY,"NFAPI: dl_pdu %d : type %d\n",i,dl_config_pdu->pdu_type);
switch (dl_config_pdu->pdu_type) {
case NFAPI_NR_DL_CONFIG_BCH_PDU_TYPE:
AssertFatal(dl_config_pdu->bch_pdu_rel15.pdu_index < TX_req->tx_request_body.number_of_pdus,
"bch_pdu_rel8.pdu_index>=TX_req->number_of_pdus (%d>%d)\n",
dl_config_pdu->bch_pdu_rel15.pdu_index,
TX_req->tx_request_body.number_of_pdus);
gNB->pbch_configured=1;
do_oai=1;
handle_nr_nfapi_bch_pdu(gNB,
proc,
dl_config_pdu,
TX_req->tx_request_body.tx_pdu_list[dl_config_pdu->bch_pdu_rel15.pdu_index].segments[0].segment_data);
break;
}
}
if (nfapi_mode && do_oai && !dont_send) {
oai_nfapi_tx_req(Sched_INFO->TX_req);
oai_nfapi_nr_dl_config_req(Sched_INFO->DL_req); // DJP - .dl_config_request_body.dl_config_pdu_list[0]); // DJP - FIXME TODO - yuk - only copes with 1 pdu
}
}
openair1/SCHED_NR/fapi_nr_l1.h
+41
View File
@@ -0,0 +1,41 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file fapi_l1.h
* \brief function prototypes for FAPI L1 interface
* \author R. Knopp
* \date 2017
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs_gNB.h"
#include "PHY/phy_extern.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "SCHED/sched_eNB.h"
#include "SCHED/sched_common.h"
#include "SCHED_NR/sched_nr.h"
#include "nfapi_nr_interface.h"
void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO);
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+1 -1
View File
@@ -60,7 +60,7 @@
#endif
#include "LAYER2/NR_MAC_UE/extern.h"
#include "LAYER2/NR_MAC_UE/defs.h"
#include "LAYER2/NR_MAC_UE/mac_defs.h"
#include "UTIL/LOG/log.h"
#ifdef EMOS