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OpenXG-RAN
Commit 9257223e authored by Nick Ho's avatar Nick Ho
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Link the physical layer stuff in cmakelist and debugged

parent 15e4e6a4
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Showing with 75 additions and 12 deletions
cmake_targets/CMakeLists.txt
View file @ 9257223e
......@@ -975,6 +975,10 @@ set(PHY_SRC
# depend on code generation from asn1c
${RRC_FULL_DIR}/asn1_constants.h
# actual source
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/npss_NB_IoT.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/nsss_NB_IoT.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/pilots_NB_IoT.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/npbch_NB_IoT.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/pss.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/sss.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/pilots.c
......
openair1/PHY/LTE_TRANSPORT/npbch_NB_IoT.c
View file @ 9257223e
......@@ -13,6 +13,7 @@
*/
#include "PHY/defs.h"
#include "PHY/defs_nb_iot.h"
#include "PHY/CODING/extern.h"
#include "PHY/CODING/lte_interleaver_inline.h"
#include "defs.h"
......@@ -118,10 +119,11 @@ int generate_npbch(NB_IoT_eNB_NPBCH *eNB_npbch,
int amp,
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t *npbch_pdu,
uint8_t frame_mod64
uint8_t frame_mod64,
unsigned short NB_IoT_RB_ID)
{
int i, l;
int id_offset;
uint32_t npbch_D,npbch_E;
uint8_t npbch_a[5]; // 34/8 =4.25 => 4 bytes and 2 bits
uint8_t RCC;
......@@ -139,7 +141,7 @@ int generate_npbch(NB_IoT_eNB_NPBCH *eNB_npbch,
if (frame_mod64==0) {
bzero(npbch_a,5); // initializing input data stream , filling with zeros
bzero(eNB_npbch->npbch_e,pbch_E); // filling with "0" the table pbch_e[1600]
bzero(eNB_npbch->npbch_e,npbch_E); // filling with "0" the table pbch_e[1600]
memset(eNB_npbch->npbch_d,LTE_NULL,96); // filling with "2" the first 96 elements of table pbch_d[216]
for (i=0; i<5; i++) // set input bits stream
......@@ -155,7 +157,7 @@ int generate_npbch(NB_IoT_eNB_NPBCH *eNB_npbch,
if (frame_parms->mode1_flag == 1) // setting CRC mask depending on the number of used eNB antennas
amask = 0x0000;
else {
switch (frame_parms->nb_antennas_tx_eNB) { // *****???? better replacing nb_antennas_tx_eNB by nb_antennas_tx_eNB_NB_IoT
switch (frame_parms->nb_antennas_tx) { // *****???? better replacing nb_antennas_tx_eNB by nb_antennas_tx_eNB_NB_IoT
case 1:
amask = 0x0000;
break;
......@@ -190,9 +192,9 @@ int generate_npbch(NB_IoT_eNB_NPBCH *eNB_npbch,
if(RB_IoT_ID < (frame_parms->N_RB_DL/2))
{
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
} else {
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
}
symbol_offset = frame_parms->ofdm_symbol_size*l + NB_IoT_start; // symbol_offset = 512 * L + NB_IOT_RB start
......
openair1/PHY/LTE_TRANSPORT/npss_NB_IoT.c
View file @ 9257223e
......@@ -13,7 +13,9 @@
*/
#include "PHY/defs.h"
#include "PHY/defs_nb_iot.h"
#include "PHY/extern.h"
#include "PHY/LTE_REFSIG/primary_synch_NB_IoT.h"
int generate_npss_NB_IoT(int32_t **txdataF,
short amp,
......@@ -41,9 +43,9 @@ int generate_npss_NB_IoT(int32_t **txdataF,
if(RB_IoT_ID < (frame_parms->N_RB_DL/2))
{
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
} else {
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
}
// For the In-band or Stand-alone case the REs of NPSS signal have the same positions
for (s=0; s<11; s++ ) // loop on OFDM symbols
......
openair1/PHY/LTE_TRANSPORT/nsss_NB_IoT.c
View file @ 9257223e
......@@ -14,8 +14,10 @@
#include "PHY/defs.h"
#include "PHY/defs_nb_iot.h"
#include "defs.h"
#include "PHY/extern.h"
#include "nsss_NB_IoT.h"
int generate_sss_NB_IoT(int32_t **txdataF,
int16_t amp,
......@@ -27,7 +29,6 @@ int generate_sss_NB_IoT(int32_t **txdataF,
{
uint8_t aa,Nid_NB_IoT,Nid2,f,q,s,c,u;
int16_t *d;
uint8_t Nid2;
uint16_t n_f;
unsigned short a;
uint16_t slot_id; // slot_id = 17 in NB_IoT
......@@ -109,9 +110,9 @@ int generate_sss_NB_IoT(int32_t **txdataF,
if(RB_IoT_ID < (frame_parms->N_RB_DL/2))
{
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = frame_parms->ofdm_symbol_size - 12*(frame_parms->N_RB_DL/2) - (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
} else {
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(ceil(frame_parms->N_RB_DL/(float)2)));
NB_IoT_start = (bandwidth_even_odd*6) + 12*(RB_IoT_ID%(int)(ceil(frame_parms->N_RB_DL/(float)2)));
}
// For the In-band or Stand-alone case the REs of NPSS signal have the same positions
for (s=0; s<11; s++ ) // loop on OFDM symbols
......
openair1/PHY/LTE_TRANSPORT/pilots_NB_IoT.c
View file @ 9257223e
......@@ -13,16 +13,17 @@
*/
#include "PHY/defs.h"
#include "PHY/defs_nb_iot.h"
void generate_pilots_NB_IoT(PHY_VARS_eNB *phy_vars_eNB,
int32_t **txdataF,
int16_t amp,
uint16_t Ntti, // Ntti = 10
unsigned short RB_IoT_ID, // RB reserved for NB-IoT
unsigned short With_NSSS;) // With_NSSS = 1; if the frame include a sub-Frame with NSSS signal
unsigned short With_NSSS) // With_NSSS = 1; if the frame include a sub-Frame with NSSS signal
{
LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_eNB->lte_frame_parms;
LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_eNB->frame_parms;
uint32_t tti,tti_offset,slot_offset,Nsymb,samples_per_symbol;
uint8_t first_pilot,second_pilot;
......
openair1/PHY/LTE_TRANSPORT/proto_nb_iot.h
View file @ 9257223e
......@@ -34,6 +34,59 @@
#include "PHY/defs_nb_iot.h"
#include <math.h>
//NPSS
int generate_npss_NB_IoT(int32_t **txdataF,
short amp,
LTE_DL_FRAME_PARMS *frame_parms,
unsigned short symbol_offset, // symbol_offset should equal to 3 for NB-IoT
unsigned short slot_offset,
unsigned short RB_IoT_ID); // new attribute (values are between 0.. Max_RB_number-1), it does not exist for LTE
//NSSS
int generate_sss_NB_IoT(int32_t **txdataF,
int16_t amp,
LTE_DL_FRAME_PARMS *frame_parms,
uint16_t symbol_offset, // symbol_offset = 3 for NB-IoT
uint16_t slot_offset,
unsigned short frame_number, // new attribute (Get value from higher layer), it does not exist for LTE
unsigned short RB_IoT_ID); // new attribute (values are between 0.. Max_RB_number-1), it does not exist for LTE
//NRS
void generate_pilots_NB_IoT(PHY_VARS_eNB *phy_vars_eNB,
int32_t **txdataF,
int16_t amp,
uint16_t Ntti, // Ntti = 10
unsigned short RB_IoT_ID, // RB reserved for NB-IoT
unsigned short With_NSSS); // With_NSSS = 1; if the frame include a sub-Frame with NSSS signal
//NPBCH
int allocate_npbch_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
int32_t **txdataF,
uint32_t *jj,
uint32_t symbol_offset,
uint8_t *x0,
uint8_t pilots,
int16_t amp,
unsigned short id_offset,
uint32_t *re_allocated);
int generate_npbch(NB_IoT_eNB_NPBCH *eNB_npbch,
int32_t **txdataF,
int amp,
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t *npbch_pdu,
uint8_t frame_mod64,
unsigned short NB_IoT_RB_ID);
void npbch_scrambling(LTE_DL_FRAME_PARMS *frame_parms,
uint8_t *npbch_e,
uint32_t length);
// Functions below implement 36-211 and 36-212
/*Function to pack the DCI*/
......
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