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lizhongxiao
OpenXG UE
Commits
91f89b69
Commit
91f89b69
authored
8 years ago
by
Raymond Knopp
Browse files
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Plain Diff
debugging of IF4p5 RRU
parent
d9187a36
Changes
10
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Showing
10 changed files
with
463 additions
and
326 deletions
+463
-326
openair1/PHY/LTE_TRANSPORT/if4_tools.c
openair1/PHY/LTE_TRANSPORT/if4_tools.c
+1
-1
openair1/PHY/LTE_TRANSPORT/prach.c
openair1/PHY/LTE_TRANSPORT/prach.c
+23
-5
openair1/PHY/defs.h
openair1/PHY/defs.h
+6
-3
openair1/PHY/vars.h
openair1/PHY/vars.h
+1
-1
openair1/SCHED/phy_procedures_lte_eNb.c
openair1/SCHED/phy_procedures_lte_eNb.c
+12
-9
targets/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
targets/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
+2
-1
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
+1
-1
targets/RT/USER/lte-enb.c
targets/RT/USER/lte-enb.c
+229
-145
targets/RT/USER/lte-softmodem.c
targets/RT/USER/lte-softmodem.c
+187
-160
targets/SIMU/USER/init_lte.c
targets/SIMU/USER/init_lte.c
+1
-0
No files found.
openair1/PHY/LTE_TRANSPORT/if4_tools.c
View file @
91f89b69
...
...
@@ -133,7 +133,7 @@ void send_IF4p5(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type
}
}
else
if
(
packet_type
==
IF4p5_PRACH
)
{
// FIX: hard coded prach samples length
db_fulllength
=
8
39
*
2
;
db_fulllength
=
8
40
*
2
;
IF4p5_header_t
*
prach_header
=
(
IF4p5_header_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
);
data_block
=
(
uint16_t
*
)(
tx_buffer
+
MAC_HEADER_SIZE_BYTES
+
sizeof_IF4p5_header_t
);
...
...
This diff is collapsed.
Click to expand it.
openair1/PHY/LTE_TRANSPORT/prach.c
View file @
91f89b69
...
...
@@ -1065,7 +1065,7 @@ void rx_prach(PHY_VARS_eNB *eNB,
int
i
;
lte_frame_type_t
frame_type
=
eNB
->
frame_parms
.
frame_type
;
int
subframe
=
eNB
->
proc
.
subframe_
rx
;
int
subframe
=
eNB
->
proc
.
subframe_
prach
;
uint16_t
rootSequenceIndex
=
eNB
->
frame_parms
.
prach_config_common
.
rootSequenceIndex
;
uint8_t
prach_ConfigIndex
=
eNB
->
frame_parms
.
prach_config_common
.
prach_ConfigInfo
.
prach_ConfigIndex
;
uint8_t
Ncs_config
=
eNB
->
frame_parms
.
prach_config_common
.
prach_ConfigInfo
.
zeroCorrelationZoneConfig
;
...
...
@@ -1101,6 +1101,8 @@ void rx_prach(PHY_VARS_eNB *eNB,
int
fft_size
,
log2_ifft_size
;
uint8_t
nb_ant_rx
=
1
;
//eNB->frame_parms.nb_antennas_rx;
// int en;
for
(
aa
=
0
;
aa
<
nb_ant_rx
;
aa
++
)
{
prach
[
aa
]
=
(
int16_t
*
)
&
eNB
->
common_vars
.
rxdata
[
0
][
aa
][
subframe
*
eNB
->
frame_parms
.
samples_per_tti
-
eNB
->
N_TA_offset
];
}
...
...
@@ -1282,8 +1284,11 @@ void rx_prach(PHY_VARS_eNB *eNB,
k
*=
2
;
/// **** send_IF4 of rxsigF to RCC **** ///
send_IF4p5
(
eNB
,
eNB
->
proc
.
frame_
rx
,
eNB
->
proc
.
subframe_rx
,
IF4p5_PRACH
,
k
);
send_IF4p5
(
eNB
,
eNB
->
proc
.
frame_
prach
,
eNB
->
proc
.
subframe_prach
,
IF4p5_PRACH
,
k
);
// en = dB_fixed(signal_energy(&rxsigF[0][k],840));
// if (en>60)
// printf("PRACH: Frame %d, Subframe %d => %d dB\n",eNB->proc.frame_rx,eNB->proc.subframe_rx,en);
return
;
}
else
if
(
eNB
->
node_function
==
NGFI_RCC_IF4p5
)
{
k
=
(
12
*
n_ra_prb
)
-
6
*
eNB
->
frame_parms
.
N_RB_UL
;
...
...
@@ -1469,11 +1474,24 @@ void rx_prach(PHY_VARS_eNB *eNB,
#endif
// if (aa=1) write_output("prach_rxF_comp1.m","prach_rxF_comp1",prachF,1024,1,1);
}
// antennas_rx
#ifdef PRACH_DEBUG
write_output
(
"prach_ifft0.m"
,
"prach_t0"
,
prach_ifft
[
0
],
2048
,
1
,
1
);
#endif
// write_output("prach_ifft1.m","prach_t1",prach_ifft[1],2048,1,1);
if
(
en
>
40
)
{
k
=
(
12
*
n_ra_prb
)
-
6
*
eNB
->
frame_parms
.
N_RB_UL
;
if
(
k
<
0
)
k
+=
(
eNB
->
frame_parms
.
ofdm_symbol_size
);
k
*=
12
;
k
+=
13
;
k
*=
2
;
printf
(
"Dumping prach, k = %d (n_ra_prb %d)
\n
"
,
k
,
n_ra_prb
);
write_output
(
"rxsigF.m"
,
"prach_rxF"
,
&
rxsigF
[
0
][
k
],
840
,
1
,
1
);
write_output
(
"prach_rxF_comp0.m"
,
"prach_rxF_comp0"
,
prachF
,
1024
,
1
,
1
);
write_output
(
"prach_ifft0.m"
,
"prach_t0"
,
prach_ifft
[
0
],
1024
,
1
,
1
);
exit
(
-
1
);
}
#endif
}
// new dft
// check energy in nth time shift
...
...
This diff is collapsed.
Click to expand it.
openair1/PHY/defs.h
View file @
91f89b69
...
...
@@ -260,6 +260,8 @@ typedef struct eNB_proc_t_s {
pthread_t
pthread_asynch_rxtx
;
/// flag to indicate first RX acquisition
int
first_rx
;
/// flag to indicate first TX transmission
int
first_tx
;
/// pthread attributes for FH processing thread
pthread_attr_t
attr_FH
;
/// pthread attributes for prach processing thread
...
...
@@ -362,14 +364,15 @@ typedef struct PHY_VARS_eNB_s {
eNB_func_t
node_function
;
eNB_timing_t
node_timing
;
int
abstraction_flag
;
void
(
*
do_prach
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_proc_t
*
proc
);
void
(
*
fep
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_proc_t
*
proc
);
void
(
*
do_prach
)(
struct
PHY_VARS_eNB_s
*
eNB
);
void
(
*
fep
)(
struct
PHY_VARS_eNB_s
*
eNB
);
void
(
*
proc_uespec_rx
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_rxtx_proc_t
*
proc
,
const
relaying_type_t
r_type
);
void
(
*
proc_tx
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_rxtx_proc_t
*
proc
,
relaying_type_t
r_type
,
PHY_VARS_RN
*
rn
);
void
(
*
tx_fh
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_rxtx_proc_t
*
proc
);
void
(
*
rx_fh
)(
struct
PHY_VARS_eNB_s
*
eNB
,
eNB_proc_t
*
proc
,
int
*
frame
,
int
*
subframe
);
void
(
*
rx_fh
)(
struct
PHY_VARS_eNB_s
*
eNB
,
int
*
frame
,
int
*
subframe
);
int
(
*
start_rf
)(
struct
PHY_VARS_eNB_s
*
eNB
);
int
(
*
start_if
)(
struct
PHY_VARS_eNB_s
*
eNB
);
void
(
*
fh_asynch
)(
struct
PHY_VARS_eNB_s
*
eNB
,
int
*
frame
,
int
*
subframe
);
uint8_t
local_flag
;
uint32_t
rx_total_gain_dB
;
LTE_DL_FRAME_PARMS
frame_parms
;
...
...
This diff is collapsed.
Click to expand it.
openair1/PHY/vars.h
View file @
91f89b69
...
...
@@ -139,7 +139,7 @@ double beta2_dlsch[6][MCS_COUNT] = { {2.52163, 0.83231, 0.77472, 1.36536, 1.1682
*/
char
eNB_functions
[
5
][
20
]
=
{
"eNodeB_3GPP"
,
"eNodeB_3GPP_BBU"
,
"NGFI_RRU_IF5"
,
"NGFI_RRU_IF4"
,
"NGFI_RCC_IF4"
};
char
eNB_functions
[
6
][
20
]
=
{
"eNodeB_3GPP"
,
"eNodeB_3GPP_BBU"
,
"NGFI_RCC_IF4p5"
,
"NGFI_RAI_IF4p5"
,
"NGFI_RRU_IF5"
,
"NGFI_RRU_IF4p5"
,
};
char
eNB_timing
[
2
][
20
]
=
{
"synch_to_ext_device"
,
"synch_to_other"
};
...
...
This diff is collapsed.
Click to expand it.
openair1/SCHED/phy_procedures_lte_eNb.c
View file @
91f89b69
...
...
@@ -1950,12 +1950,14 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
break
;
}
/*
mac_xface->initiate_ra_proc(eNB->Mod_id,
eNB->CC_id,
frame,
preamble_max,
preamble_delay_list[preamble_max]*update_TA,
0,subframe,0);
*/
}
}
else
{
...
...
@@ -2490,8 +2492,9 @@ void cba_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,int UE_id,int harq_p
}
void
eNB_fep_full
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
)
{
void
eNB_fep_full
(
PHY_VARS_eNB
*
eNB
)
{
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
int
l
;
LTE_DL_FRAME_PARMS
*
fp
=&
eNB
->
frame_parms
;
...
...
@@ -2519,14 +2522,13 @@ void eNB_fep_full(PHY_VARS_eNB *eNB,eNB_proc_t *proc) {
if
(
eNB
->
node_function
==
NGFI_RRU_IF4p5
)
{
/// **** send_IF4 of rxdataF to RCC (no prach now) **** ///
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF4
,
1
);
send_IF4p5
(
eNB
,
proc
->
frame_rx
,
proc
->
subframe_rx
,
IF4p5_PULFFT
,
0
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF4
,
0
);
}
}
void
eNB_fep_rru_if5
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
)
{
void
eNB_fep_rru_if5
(
PHY_VARS_eNB
*
eNB
)
{
eNB_proc_t
*
proc
=&
eNB
->
proc
;
uint8_t
seqno
=
0
;
/// **** send_IF5 of rxdata to BBU **** ///
...
...
@@ -2536,8 +2538,9 @@ void eNB_fep_rru_if5(PHY_VARS_eNB *eNB,eNB_proc_t *proc) {
}
void
do_prach
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
)
{
void
do_prach
(
PHY_VARS_eNB
*
eNB
)
{
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
LTE_DL_FRAME_PARMS
*
fp
=&
eNB
->
frame_parms
;
// check if we have to detect PRACH first
...
...
@@ -2594,9 +2597,9 @@ void phy_procedures_eNB_common_RX(PHY_VARS_eNB *eNB){
LOG_D
(
PHY
,
"[eNB %d] Frame %d: Doing phy_procedures_eNB_common_RX(%d)
\n
"
,
eNB
->
Mod_id
,
frame
,
subframe
);
if
(
eNB
->
fep
)
eNB
->
fep
(
eNB
,
proc
);
if
(
eNB
->
fep
)
eNB
->
fep
(
eNB
);
if
(
eNB
->
do_prach
)
eNB
->
do_prach
(
eNB
,
proc
);
if
(
eNB
->
do_prach
)
eNB
->
do_prach
(
eNB
);
...
...
This diff is collapsed.
Click to expand it.
targets/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
View file @
91f89b69
...
...
@@ -225,6 +225,7 @@ int trx_eth_write_raw_IF4p5(openair0_device *device, openair0_timestamp timestam
memcpy
(
buff
[
0
],
(
void
*
)
&
eth
->
eh
,
MAC_HEADER_SIZE_BYTES
);
bytes_sent
=
send
(
eth
->
sockfd
[
Mod_id
],
buff
[
0
],
packet_size
,
...
...
This diff is collapsed.
Click to expand it.
targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
View file @
91f89b69
...
...
@@ -83,7 +83,7 @@ int trx_eth_start(openair0_device *device) {
}
/* adjust MTU wrt number of samples per packet */
if
(
ethernet_tune
(
device
,
MTU_SIZE
,
RAW_IF4p5_PRACH_SIZE_BYTES
)
!=
0
)
return
-
1
;
if
(
ethernet_tune
(
device
,
RCV_TIMEOUT
,
5000
)
!=
0
)
return
-
1
;
if
(
ethernet_tune
(
device
,
RCV_TIMEOUT
,
999999
)
!=
0
)
return
-
1
;
}
else
if
(
eth
->
flags
==
ETH_UDP_IF4p5_MODE
)
{
...
...
This diff is collapsed.
Click to expand it.
targets/RT/USER/lte-enb.c
View file @
91f89b69
...
...
@@ -365,13 +365,11 @@ void proc_tx_rru_if4p5(PHY_VARS_eNB *eNB,
symbol_mask
=
0
;
symbol_mask_full
=
(
1
<<
eNB
->
frame_parms
.
symbols_per_tti
)
-
1
;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF4
,
1
);
do
{
recv_IF4p5
(
eNB
,
&
proc
->
frame_tx
,
&
proc
->
subframe_tx
,
&
packet_type
,
&
symbol_number
);
symbol_mask
=
symbol_mask
|
(
1
<<
symbol_number
);
}
while
(
symbol_mask
!=
symbol_mask_full
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF4
,
0
);
do_OFDM_mod_rt
(
proc
->
subframe_tx
,
eNB
);
}
...
...
@@ -640,6 +638,151 @@ static void wait_system_ready (char *message, volatile int *start_flag) {
}
#endif
// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU)
void
fh_if5_asynch_UL
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
recv_IF5
(
eNB
,
&
proc
->
timestamp_rx
,
*
subframe
,
IF5_RRH_GW_UL
);
proc
->
subframe_rx
=
(
proc
->
timestamp_rx
/
fp
->
samples_per_tti
)
%
10
;
proc
->
frame_rx
=
(
proc
->
timestamp_rx
/
(
10
*
fp
->
samples_per_tti
))
&
1023
;
if
(
proc
->
first_rx
!=
0
)
{
proc
->
first_rx
=
0
;
*
subframe
=
proc
->
subframe_rx
;
*
frame
=
proc
->
frame_rx
;
}
else
{
if
(
proc
->
subframe_rx
!=
*
subframe
)
{
LOG_E
(
PHY
,
"subframe_rx %d is not what we expect %d
\n
"
,
proc
->
subframe_rx
,
*
subframe
);
exit_fun
(
"Exiting"
);
}
if
(
proc
->
frame_rx
!=
*
frame
)
{
LOG_E
(
PHY
,
"subframe_rx %d is not what we expect %d
\n
"
,
proc
->
frame_rx
,
*
frame
);
exit_fun
(
"Exiting"
);
}
}
}
// eNodeB_3GPP_BBU
// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU)
void
fh_if4p5_asynch_UL
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
uint16_t
packet_type
;
uint32_t
symbol_number
,
symbol_mask
,
symbol_mask_full
,
prach_rx
;
symbol_number
=
0
;
symbol_mask
=
0
;
symbol_mask_full
=
(
1
<<
fp
->
symbols_per_tti
)
-
1
;
prach_rx
=
0
;
do
{
// Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5
(
eNB
,
&
proc
->
frame_rx
,
&
proc
->
subframe_rx
,
&
packet_type
,
&
symbol_number
);
if
(
proc
->
first_rx
!=
0
)
{
*
frame
=
proc
->
frame_rx
;
*
subframe
=
proc
->
subframe_rx
;
proc
->
first_rx
=
0
;
}
else
{
if
(
proc
->
frame_rx
!=
*
frame
)
{
LOG_E
(
PHY
,
"frame_rx %d is not what we expect %d
\n
"
,
proc
->
frame_rx
,
*
frame
);
exit_fun
(
"Exiting"
);
}
if
(
proc
->
subframe_rx
!=
*
subframe
)
{
LOG_E
(
PHY
,
"subframe_rx %d is not what we expect %d
\n
"
,
proc
->
subframe_rx
,
*
subframe
);
exit_fun
(
"Exiting"
);
}
}
if
(
packet_type
==
IF4p5_PULFFT
)
{
symbol_mask
=
symbol_mask
|
(
1
<<
symbol_number
);
prach_rx
=
(
is_prach_subframe
(
fp
,
proc
->
frame_rx
,
proc
->
subframe_rx
)
>
0
)
?
1
:
0
;
}
else
if
(
packet_type
==
IF4p5_PRACH
)
{
prach_rx
=
0
;
}
}
while
(
(
symbol_mask
!=
symbol_mask_full
)
||
(
prach_rx
==
1
));
}
void
fh_if5_asynch_DL
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
int
subframe_tx
,
frame_tx
;
openair0_timestamp
timestamp_tx
;
recv_IF5
(
eNB
,
&
timestamp_tx
,
*
subframe
,
IF5_RRH_GW_DL
);
// printf("Received subframe %d (TS %llu) from RCC\n",subframe_tx,timestamp_tx);
subframe_tx
=
(
timestamp_tx
/
fp
->
samples_per_tti
)
%
10
;
frame_tx
=
(
timestamp_tx
/
(
fp
->
samples_per_tti
*
10
))
&
1023
;
if
(
proc
->
first_tx
!=
0
)
{
*
subframe
=
subframe_tx
;
*
frame
=
frame_tx
;
proc
->
first_tx
=
0
;
}
else
{
if
(
subframe_tx
!=
*
subframe
)
{
LOG_E
(
PHY
,
"subframe_tx %d is not what we expect %d
\n
"
,
subframe_tx
,
*
subframe
);
exit_fun
(
"Exiting"
);
}
if
(
frame_tx
!=
*
frame
)
{
LOG_E
(
PHY
,
"frame_tx %d is not what we expect %d
\n
"
,
frame_tx
,
*
frame
);
exit_fun
(
"Exiting"
);
}
}
}
void
fh_if4p5_asynch_DL
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
uint16_t
packet_type
;
uint32_t
symbol_number
,
symbol_mask
,
symbol_mask_full
;
int
subframe_tx
,
frame_tx
;
symbol_number
=
0
;
symbol_mask
=
0
;
symbol_mask_full
=
(
1
<<
fp
->
symbols_per_tti
)
-
1
;
do
{
// Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5
(
eNB
,
&
frame_tx
,
&
subframe_tx
,
&
packet_type
,
&
symbol_number
);
if
(
proc
->
first_tx
!=
0
)
{
*
frame
=
frame_tx
;
*
subframe
=
subframe_tx
;
proc
->
first_tx
=
0
;
}
else
{
if
(
frame_tx
!=
*
frame
)
{
LOG_E
(
PHY
,
"frame_tx %d is not what we expect %d
\n
"
,
frame_tx
,
*
frame
);
exit_fun
(
"Exiting"
);
}
if
(
subframe_tx
!=
*
subframe
)
{
LOG_E
(
PHY
,
"subframe_tx %d is not what we expect %d
\n
"
,
subframe_tx
,
*
subframe
);
exit_fun
(
"Exiting"
);
}
}
if
(
packet_type
==
IF4p5_PDLFFT
)
{
symbol_mask
=
symbol_mask
|
(
1
<<
symbol_number
);
}
else
{
LOG_E
(
PHY
,
"Illegal IF4p5 packet type (should only be IF4p5_PDLFFT%d
\n
"
,
packet_type
);
exit_fun
(
"Exiting"
);
}
}
while
(
symbol_mask
!=
symbol_mask_full
);
do_OFDM_mod_rt
(
subframe_tx
,
eNB
);
}
/*!
* \brief The Asynchronous RX/TX FH thread of RAU/RCC/eNB/RRU.
* This handles the RX FH for an asynchronous RRU/UE
...
...
@@ -653,16 +796,9 @@ static void* eNB_thread_asynch_rxtx( void* param ) {
eNB_proc_t
*
proc
=
(
eNB_proc_t
*
)
param
;
PHY_VARS_eNB
*
eNB
=
PHY_vars_eNB_g
[
0
][
proc
->
CC_id
];
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
openair0_timestamp
timestamp_rx
,
timestamp_tx
;
int
frame_rx
,
subframe_rx
=
0
,
subframe_tx
=
0
;
static
int
first_rx
=
1
;
static
int
first_tx
=
1
;
uint16_t
packet_type
;
uint32_t
symbol_number
=
0
;
uint32_t
symbol_mask
,
symbol_mask_full
;
int
prach_rx
;
int
dummy_rx
[
fp
->
nb_antennas_rx
][
fp
->
samples_per_tti
];
int
rxs
=
0
;
int
subframe
=
0
,
frame
=
0
;
#ifdef DEADLINE_SCHEDULER
struct
sched_attr
attr
;
...
...
@@ -781,94 +917,35 @@ static void* eNB_thread_asynch_rxtx( void* param ) {
printf
(
"devices ok (eNB_thread_asynch_rx)
\n
"
);
while
(
!
oai_exit
)
{
if
(
eNB
->
node_function
==
eNodeB_3GPP
)
{
// acquisition from RF
if
(
eNB
->
rfdevice
.
trx_read_func
)
rxs
=
eNB
->
rfdevice
.
trx_read_func
(
&
eNB
->
rfdevice
,
&
proc
->
timestamp_rx
,
(
void
**
)
dummy_rx
,
fp
->
samples_per_tti
,
fp
->
nb_antennas_rx
);
else
{
printf
(
"eNB asynch RX
\n
"
);
sleep
(
1
);
}
if
(
rxs
!=
fp
->
samples_per_tti
)
{
exit_fun
(
"error receiving samples
\n
"
);
}
}
else
if
(
eNB
->
node_function
==
eNodeB_3GPP_BBU
)
{
// acquisition from IF
/// **** recv_IF5 of rxdata from RRH **** ///
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF5
,
1
);
recv_IF5
(
eNB
,
&
timestamp_rx
,
subframe_rx
++
,
IF5_RRH_GW_UL
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF5
,
0
);
if
(
first_rx
==
1
)
{
first_rx
=
0
;
subframe_rx
=
(
timestamp_rx
/
fp
->
samples_per_tti
)
%
10
;
}
else
{
// check timestamp
if
((
timestamp_rx
-
proc
->
timestamp_rx
)
<
(
2
*
fp
->
samples_per_tti
))
printf
(
"RX overflow ...
\n
"
);
if
(
oai_exit
)
break
;
if
(
subframe
==
9
)
{
subframe
=
0
;
frame
++
;
frame
&=
1023
;
}
else
{
subframe
++
;
}
}
// eNodeB_3GPP_BBU
else
if
(
eNB
->
node_function
==
NGFI_RRU_IF5
)
{
/// **** recv_IF5 of rxdata from RRH **** ///
subframe_tx
=
(
subframe_tx
+
1
)
%
10
;
recv_IF5
(
eNB
,
&
timestamp_tx
,
subframe_tx
,
IF5_RRH_GW_DL
);
// printf("Received subframe %d (TS %llu) from RCC\n",subframe_tx,timestamp_tx);
if
(
first_tx
==
1
)
{
first_tx
=
0
;
subframe_tx
=
(
timestamp_tx
/
fp
->
samples_per_tti
)
%
10
;
if
(
eNB
->
fh_asynch
)
eNB
->
fh_asynch
(
eNB
,
&
frame
,
&
subframe
);
else
AssertFatal
(
1
==
0
,
"Unknown eNB->node_function %d"
,
eNB
->
node_function
);
}
}
else
if
(
eNB
->
node_function
==
NGFI_RCC_IF4p5
)
{
/// **** recv_IF4p5 of rxdataF from RRU **** ///
/// **** recv_IF4p5 of rxsigF from RRU **** ///
// get frame/subframe information from IF4p5 interface
// timed loop (200 us)
eNB_thread_asynch_rxtx_status
=
0
;
return
(
&
eNB_thread_asynch_rxtx_status
);
}
symbol_number
=
0
;
symbol_mask
=
0
;
symbol_mask_full
=
(
1
<<
fp
->
symbols_per_tti
)
-
1
;
prach_rx
=
0
;
do
{
// Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5
(
eNB
,
&
frame_rx
,
&
subframe_rx
,
&
packet_type
,
&
symbol_number
);
if
(
packet_type
==
IF4p5_PULFFT
)
{
symbol_mask
=
symbol_mask
|
(
1
<<
symbol_number
);
prach_rx
=
(
is_prach_subframe
(
fp
,
proc
->
frame_rx
,
proc
->
subframe_rx
)
>
0
)
?
1
:
0
;
}
else
if
(
packet_type
==
IF4p5_PRACH
)
{
prach_rx
=
0
;
}
}
while
(
(
symbol_mask
!=
symbol_mask_full
)
||
(
prach_rx
==
1
));
if
(
proc
->
first_rx
==
0
)
{
if
(
subframe_rx
<
proc
->
subframe_rx
+
2
){
LOG_E
(
PHY
,
"RX overflow (proc->subframe_rx %d, subframe_rx %d)
\n
"
,
proc
->
subframe_rx
,
subframe_rx
);
}
}
else
{
proc
->
first_rx
=
0
;
}
}
// node_timing == synch_to_externs, node_function = NGFI_IF4
else
{
// should not get here
AssertFatal
(
1
==
0
,
"Unknown eNB->node_function %d"
,
eNB
->
node_function
);
}
}
eNB_thread_asynch_rxtx_status
=
0
;
return
(
&
eNB_thread_asynch_rxtx_status
);
}
void
rx_rf
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
,
int
*
frame
,
int
*
subframe
)
{
void
rx_rf
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
void
*
rxp
[
fp
->
nb_antennas_rx
],
*
txp
[
fp
->
nb_antennas_tx
];
unsigned
int
rxs
,
txs
;
...
...
@@ -883,10 +960,10 @@ void rx_rf(PHY_VARS_eNB *eNB,eNB_proc_t *proc,int *frame,int *subframe) {
// prepare tx buffer pointers
for
(
i
=
0
;
i
<
fp
->
nb_antennas_tx
;
i
++
)
txp
[
i
]
=
(
void
*
)
&
eNB
->
common_vars
.
txdata
[
0
][
i
][((
proc
->
subframe_rx
+
2
)
%
10
)
*
fp
->
samples_per_tti
];
txp
[
i
]
=
(
void
*
)
&
eNB
->
common_vars
.
txdata
[
0
][
i
][((
proc
->
subframe_rx
+
3
)
%
10
)
*
fp
->
samples_per_tti
];
txs
=
eNB
->
rfdevice
.
trx_write_func
(
&
eNB
->
rfdevice
,
proc
->
timestamp_rx
+
(
2
*
fp
->
samples_per_tti
)
-
openair0_cfg
[
0
].
tx_sample_advance
,
proc
->
timestamp_rx
+
(
3
*
fp
->
samples_per_tti
)
-
openair0_cfg
[
0
].
tx_sample_advance
,
txp
,
fp
->
samples_per_tti
,
fp
->
nb_antennas_tx
,
...
...
@@ -946,9 +1023,10 @@ void rx_rf(PHY_VARS_eNB *eNB,eNB_proc_t *proc,int *frame,int *subframe) {
}
void
rx_fh_if5
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
,
int
*
frame
,
int
*
subframe
)
{
void
rx_fh_if5
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
recv_IF5
(
eNB
,
&
proc
->
timestamp_rx
,
*
subframe
,
IF5_RRH_GW_UL
);
...
...
@@ -975,7 +1053,9 @@ void rx_fh_if5(PHY_VARS_eNB *eNB,eNB_proc_t *proc,int *frame, int *subframe) {
}
void
rx_fh_if4p5
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
,
int
*
subframe
,
int
*
frame
)
{
void
rx_fh_if4p5
(
PHY_VARS_eNB
*
eNB
,
int
*
subframe
,
int
*
frame
)
{
eNB_proc_t
*
proc
=
&
eNB
->
proc
;
LTE_DL_FRAME_PARMS
*
fp
=
&
eNB
->
frame_parms
;
...
...
@@ -990,9 +1070,7 @@ void rx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_proc_t *proc,int *subframe,int *frame) {
prach_rx
=
0
;
do
{
// Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF4
,
1
);
recv_IF4p5
(
eNB
,
&
proc
->
frame_rx
,
&
proc
->
subframe_rx
,
&
packet_type
,
&
symbol_number
);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME
(
VCD_SIGNAL_DUMPER_FUNCTIONS_RECV_IF4
,
0
);
if
(
packet_type
==
IF4p5_PULFFT
)
{
symbol_mask
=
symbol_mask
|
(
1
<<
symbol_number
);
...
...
@@ -1021,6 +1099,26 @@ void rx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_proc_t *proc,int *subframe,int *frame) {
}
void
rx_fh_slave
(
PHY_VARS_eNB
*
eNB
,
int
*
frame
,
int
*
subframe
)
{
// This case is for synchronization to another thread
// it just waits for an external event. The actual rx_rh is handle by the asynchronous RX thread
eNB_proc_t
*
proc
=&
eNB
->
proc
;
if
(
pthread_mutex_lock
(
&
proc
->
mutex_FH
)
!=
0
)
{
LOG_E
(
PHY
,
"[SCHED][eNB] error locking mutex for FH Slave
\n
"
);
exit_fun
(
"error locking mutex"
);
}
while
(
proc
->
instance_cnt_FH
<
0
)
{
pthread_cond_wait
(
&
proc
->
cond_FH
,
&
proc
->
mutex_FH
);
}
proc
->
instance_cnt_FH
++
;
pthread_mutex_unlock
(
&
proc
->
mutex_FH
);
}
int
wakeup_rxtx
(
eNB_proc_t
*
proc
,
eNB_rxtx_proc_t
*
proc_rxtx
,
LTE_DL_FRAME_PARMS
*
fp
)
{
int
i
;
...
...
@@ -1263,7 +1361,7 @@ static void* eNB_thread_FH( void* param ) {
if
(
eNB
->
start_rf
(
eNB
)
!=
0
)
LOG_E
(
HW
,
"Could not start the RF device
\n
"
);
//
unlock
asnych_rxtx thread
//
wakeup
asnych_rxtx thread
pthread_mutex_lock
(
&
proc
->
mutex_asynch_rxtx
);
proc
->
instance_cnt_asynch_rxtx
=
0
;
pthread_mutex_unlock
(
&
proc
->
mutex_asynch_rxtx
);
...
...
@@ -1274,6 +1372,8 @@ static void* eNB_thread_FH( void* param ) {
if
(
oai_exit
)
break
;
// this is to check that we are in synch with the fronthaul timing
if
(
subframe
==
9
)
{
subframe
=
0
;
frame
++
;
...
...
@@ -1282,36 +1382,10 @@ static void* eNB_thread_FH( void* param ) {
subframe
++
;
}
// This case is for synchronization to another thread
if
((
eNB
->
node_timing
==
synch_to_other
)
&&
((
eNB
->
node_function
==
NGFI_RCC_IF4p5
)
||
(
eNB
->
node_function
==
eNodeB_3GPP_BBU
)))
{
//wait for event
// how long should we wait here, for MOBIPASS this could be long
// if (pthread_mutex_timedlock(&proc->mutex_FH,&wait) != 0) {
if
(
pthread_mutex_lock
(
&
proc
->
mutex_FH
)
!=
0
)
{
LOG_E
(
PHY
,
"[SCHED][eNB] error locking mutex for FH
\n
"
);
exit_fun
(
"error locking mutex"
);
break
;
}
while
(
proc
->
instance_cnt_FH
<
0
)
{
// most of the time the thread is waiting here
// proc->instance_cnt_FH is -1
pthread_cond_wait
(
&
proc
->
cond_FH
,
&
proc
->
mutex_FH
);
// this unlocks mutex_rxtx while waiting and then locks it again
}
proc
->
instance_cnt_FH
++
;
}
// Remaining cases are all for synchronization on FH interface
else
if
((
eNB
->
node_timing
==
synch_to_ext_device
)
&&
(
eNB
->
rx_fh
))
eNB
->
rx_fh
(
eNB
,
proc
,
&
frame
,
&
subframe
);
else
{
// should not get here
AssertFatal
(
1
==
0
,
"Unknown fronthaul interface : eNB->node_function %d"
,
eNB
->
node_function
);
}
// synchronization on FH interface, acquire signals/data and block
if
(
eNB
->
rx_fh
)
eNB
->
rx_fh
(
eNB
,
&
frame
,
&
subframe
);
else
AssertFatal
(
1
==
0
,
"No fronthaul interface : eNB->node_function %d"
,
eNB
->
node_function
);
T
(
T_ENB_MASTER_TICK
,
T_INT
(
0
),
T_INT
(
proc
->
frame_rx
),
T_INT
(
proc
->
subframe_rx
));
...
...
@@ -1567,7 +1641,8 @@ void init_eNB_proc(int inst) {
proc
->
instance_cnt_asynch_rxtx
=
-
1
;
proc
->
CC_id
=
CC_id
;
proc
->
first_rx
=
4
;
proc
->
first_rx
=
1
;
proc
->
first_tx
=
1
;
pthread_mutex_init
(
&
proc_rxtx
[
0
].
mutex_rxtx
,
NULL
);
pthread_mutex_init
(
&
proc_rxtx
[
1
].
mutex_rxtx
,
NULL
);
...
...
@@ -1584,7 +1659,8 @@ void init_eNB_proc(int inst) {
pthread_create
(
&
proc
->
pthread_FH
,
&
proc
->
attr_FH
,
eNB_thread_FH
,
&
eNB
->
proc
);
pthread_create
(
&
proc
->
pthread_prach
,
&
proc
->
attr_prach
,
eNB_thread_prach
,
&
eNB
->
proc
);
if
((
eNB
->
node_timing
==
synch_to_other
)
||
(
eNB
->
node_function
==
NGFI_RRU_IF5
))
(
eNB
->
node_function
==
NGFI_RRU_IF5
)
||
(
eNB
->
node_function
==
NGFI_RRU_IF4p5
))
pthread_create
(
&
proc
->
pthread_asynch_rxtx
,
&
proc
->
attr_asynch_rxtx
,
eNB_thread_asynch_rxtx
,
&
eNB
->
proc
);
#else
pthread_create
(
&
proc_rxtx
[
0
].
pthread_rxtx
,
NULL
,
eNB_thread_rxtx
,
&
eNB
->
proc_rxtx
[
0
]
);
...
...
@@ -1784,9 +1860,9 @@ int start_rf(PHY_VARS_eNB *eNB) {
return
(
eNB
->
rfdevice
.
trx_start_func
(
&
eNB
->
rfdevice
));
}
extern
void
eNB_fep_rru_if5
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
);
extern
void
eNB_fep_full
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
);
extern
void
do_prach
(
PHY_VARS_eNB
*
eNB
,
eNB_proc_t
*
proc
);
extern
void
eNB_fep_rru_if5
(
PHY_VARS_eNB
*
eNB
);
extern
void
eNB_fep_full
(
PHY_VARS_eNB
*
eNB
);
extern
void
do_prach
(
PHY_VARS_eNB
*
eNB
);
void
init_eNB
(
eNB_func_t
node_function
[],
eNB_timing_t
node_timing
[],
int
nb_inst
,
eth_params_t
*
eth_params
)
{
...
...
@@ -1813,6 +1889,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
rx_fh
=
rx_rf
;
eNB
->
start_rf
=
start_rf
;
eNB
->
start_if
=
start_if
;
eNB
->
fh_asynch
=
fh_if5_asynch_DL
;
ret
=
openair0_device_load
(
&
eNB
->
rfdevice
,
&
openair0_cfg
[
0
]);
if
(
ret
<
0
)
{
printf
(
"Exiting, cannot initialize rf device
\n
"
);
...
...
@@ -1831,9 +1908,10 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
do_prach
=
do_prach
;
eNB
->
fep
=
eNB_fep_full
;
eNB
->
proc_uespec_rx
=
NULL
;
eNB
->
proc_tx
=
proc_tx_rru_if4p5
;
eNB
->
proc_tx
=
NULL
;
//
proc_tx_rru_if4p5;
eNB
->
tx_fh
=
NULL
;
eNB
->
rx_fh
=
rx_rf
;
eNB
->
fh_asynch
=
fh_if4p5_asynch_DL
;
eNB
->
start_rf
=
start_rf
;
eNB
->
start_if
=
start_if
;
ret
=
openair0_device_load
(
&
eNB
->
rfdevice
,
&
openair0_cfg
[
0
]);
...
...
@@ -1862,6 +1940,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
rx_fh
=
rx_rf
;
eNB
->
start_rf
=
start_rf
;
eNB
->
start_if
=
NULL
;
eNB
->
fh_asynch
=
NULL
;
ret
=
openair0_device_load
(
&
eNB
->
rfdevice
,
&
openair0_cfg
[
0
]);
if
(
ret
<
0
)
{
printf
(
"Exiting, cannot initialize rf device
\n
"
);
...
...
@@ -1877,11 +1956,14 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
proc_tx
=
proc_tx_full
;
eNB
->
tx_fh
=
tx_fh_if5
;
eNB
->
rx_fh
=
rx_fh_if5
;
eNB
->
fh_asynch
=
(
eNB
->
node_timing
==
synch_to_other
)
?
fh_if5_asynch_UL
:
NULL
;
eNB
->
start_rf
=
NULL
;
eNB
->
start_if
=
start_if
;
eNB
->
rfdevice
.
host_type
=
BBU_HOST
;
eNB
->
ifdevice
.
host_type
=
BBU_HOST
;
ret
=
openair0_transport_load
(
&
eNB
->
ifdevice
,
&
openair0_cfg
[
0
],
(
eth_params
+
CC_id
));
printf
(
"openair0_transport_init returns %d for CC_id %d
\n
"
,
ret
,
CC_id
);
if
(
ret
<
0
)
{
...
...
@@ -1898,6 +1980,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
rx_fh
=
rx_fh_if4p5
;
eNB
->
start_rf
=
NULL
;
eNB
->
start_if
=
start_if
;
eNB
->
fh_asynch
=
(
eNB
->
node_timing
==
synch_to_other
)
?
fh_if4p5_asynch_UL
:
NULL
;
eNB
->
rfdevice
.
host_type
=
BBU_HOST
;
eNB
->
ifdevice
.
host_type
=
BBU_HOST
;
ret
=
openair0_transport_load
(
&
eNB
->
ifdevice
,
&
openair0_cfg
[
0
],
(
eth_params
+
CC_id
));
...
...
@@ -1916,6 +1999,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB
->
proc_tx
=
proc_tx_high
;
eNB
->
tx_fh
=
tx_fh_if4p5
;
eNB
->
rx_fh
=
rx_fh_if4p5
;
eNB
->
fh_asynch
=
(
eNB
->
node_timing
==
synch_to_other
)
?
fh_if4p5_asynch_UL
:
NULL
;
eNB
->
start_rf
=
NULL
;
eNB
->
start_if
=
start_if
;
...
...
This diff is collapsed.
Click to expand it.
targets/RT/USER/lte-softmodem.c
View file @
91f89b69
...
...
@@ -1088,6 +1088,8 @@ static void get_options (int argc, char **argv)
}
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
node_function
[
CC_id
]
=
enb_properties
->
properties
[
i
]
->
cc_node_function
[
CC_id
];
node_timing
[
CC_id
]
=
enb_properties
->
properties
[
i
]
->
cc_node_timing
[
CC_id
];
node_synch_ref
[
CC_id
]
=
enb_properties
->
properties
[
i
]
->
cc_node_synch_ref
[
CC_id
];
...
...
@@ -1104,6 +1106,13 @@ static void get_options (int argc, char **argv)
frame_parms
[
CC_id
]
->
nb_antennas_tx
=
enb_properties
->
properties
[
i
]
->
nb_antennas_tx
[
CC_id
];
frame_parms
[
CC_id
]
->
nb_antennas_tx_eNB
=
enb_properties
->
properties
[
i
]
->
nb_antennas_tx
[
CC_id
];
frame_parms
[
CC_id
]
->
nb_antennas_rx
=
enb_properties
->
properties
[
i
]
->
nb_antennas_rx
[
CC_id
];
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_ConfigIndex
=
enb_properties
->
properties
[
i
]
->
prach_config_index
[
CC_id
];
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_FreqOffset
=
enb_properties
->
properties
[
i
]
->
prach_freq_offset
[
CC_id
];
frame_parms
[
CC_id
]
->
mode1_flag
=
(
transmission_mode
==
1
)
?
1
:
0
;
frame_parms
[
CC_id
]
->
threequarter_fs
=
threequarter_fs
;
//} // j
}
...
...
@@ -1182,6 +1191,156 @@ int T_port = 2021; /* default port to listen to to wait for the tracer */
int
T_dont_fork
=
0
;
/* default is to fork, see 'T_init' to understand */
#endif
void
set_default_frame_parms
()
{
int
CC_id
;
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
frame_parms
[
CC_id
]
=
(
LTE_DL_FRAME_PARMS
*
)
malloc
(
sizeof
(
LTE_DL_FRAME_PARMS
));
/* Set some default values that may be overwritten while reading options */
frame_parms
[
CC_id
]
->
frame_type
=
FDD
;
frame_parms
[
CC_id
]
->
tdd_config
=
3
;
frame_parms
[
CC_id
]
->
tdd_config_S
=
0
;
frame_parms
[
CC_id
]
->
N_RB_DL
=
100
;
frame_parms
[
CC_id
]
->
N_RB_UL
=
100
;
frame_parms
[
CC_id
]
->
Ncp
=
NORMAL
;
frame_parms
[
CC_id
]
->
Ncp_UL
=
NORMAL
;
frame_parms
[
CC_id
]
->
Nid_cell
=
0
;
frame_parms
[
CC_id
]
->
num_MBSFN_config
=
0
;
frame_parms
[
CC_id
]
->
nb_antennas_tx_eNB
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_tx
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_rx
=
1
;
frame_parms
[
CC_id
]
->
nushift
=
0
;
frame_parms
[
CC_id
]
->
phich_config_common
.
phich_resource
=
oneSixth
;
frame_parms
[
CC_id
]
->
phich_config_common
.
phich_duration
=
normal
;
// UL RS Config
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
cyclicShift
=
0
;
//n_DMRS1 set to 0
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
groupHoppingEnabled
=
0
;
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
sequenceHoppingEnabled
=
0
;
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
groupAssignmentPUSCH
=
0
;
frame_parms
[
CC_id
]
->
prach_config_common
.
rootSequenceIndex
=
22
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
zeroCorrelationZoneConfig
=
1
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_ConfigIndex
=
0
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
highSpeedFlag
=
0
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_FreqOffset
=
0
;
downlink_frequency
[
CC_id
][
0
]
=
2680000000
;
// Use float to avoid issue with frequency over 2^31.
downlink_frequency
[
CC_id
][
1
]
=
downlink_frequency
[
CC_id
][
0
];
downlink_frequency
[
CC_id
][
2
]
=
downlink_frequency
[
CC_id
][
0
];
downlink_frequency
[
CC_id
][
3
]
=
downlink_frequency
[
CC_id
][
0
];
//printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]);
}
}
void
init_openair0
()
{
int
card
;
int
i
;
for
(
card
=
0
;
card
<
MAX_CARDS
;
card
++
)
{
openair0_cfg
[
card
].
mmapped_dma
=
mmapped_dma
;
openair0_cfg
[
card
].
configFilename
=
NULL
;
if
(
frame_parms
[
0
]
->
N_RB_DL
==
100
)
{
if
(
frame_parms
[
0
]
->
threequarter_fs
)
{
openair0_cfg
[
card
].
sample_rate
=
23.04e6
;
openair0_cfg
[
card
].
samples_per_frame
=
230400
;
openair0_cfg
[
card
].
tx_bw
=
10e6
;
openair0_cfg
[
card
].
rx_bw
=
10e6
;
}
else
{
openair0_cfg
[
card
].
sample_rate
=
30.72e6
;
openair0_cfg
[
card
].
samples_per_frame
=
307200
;
openair0_cfg
[
card
].
tx_bw
=
10e6
;
openair0_cfg
[
card
].
rx_bw
=
10e6
;
}
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
50
)
{
openair0_cfg
[
card
].
sample_rate
=
15.36e6
;
openair0_cfg
[
card
].
samples_per_frame
=
153600
;
openair0_cfg
[
card
].
tx_bw
=
5e6
;
openair0_cfg
[
card
].
rx_bw
=
5e6
;
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
25
)
{
openair0_cfg
[
card
].
sample_rate
=
7.68e6
;
openair0_cfg
[
card
].
samples_per_frame
=
76800
;
openair0_cfg
[
card
].
tx_bw
=
2.5e6
;
openair0_cfg
[
card
].
rx_bw
=
2.5e6
;
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
6
)
{
openair0_cfg
[
card
].
sample_rate
=
1.92e6
;
openair0_cfg
[
card
].
samples_per_frame
=
19200
;
openair0_cfg
[
card
].
tx_bw
=
1.5e6
;
openair0_cfg
[
card
].
rx_bw
=
1.5e6
;
}
if
(
frame_parms
[
0
]
->
frame_type
==
TDD
)
openair0_cfg
[
card
].
duplex_mode
=
duplex_mode_TDD
;
else
//FDD
openair0_cfg
[
card
].
duplex_mode
=
duplex_mode_FDD
;
if
(
local_remote_radio
==
BBU_REMOTE_RADIO_HEAD
)
{
openair0_cfg
[
card
].
remote_addr
=
eth_params
->
remote_addr
;
openair0_cfg
[
card
].
remote_port
=
eth_params
->
remote_port
;
openair0_cfg
[
card
].
my_addr
=
eth_params
->
my_addr
;
openair0_cfg
[
card
].
my_port
=
eth_params
->
my_port
;
}
printf
(
"HW: Configuring card %d, nb_antennas_tx/rx %d/%d
\n
"
,
card
,
((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
),
((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
));
openair0_cfg
[
card
].
Mod_id
=
0
;
if
(
UE_flag
)
{
printf
(
"ETHERNET: Configuring UE ETH for %s:%d
\n
"
,
rrh_UE_ip
,
rrh_UE_port
);
openair0_cfg
[
card
].
remote_addr
=
&
rrh_UE_ip
[
0
];
openair0_cfg
[
card
].
remote_port
=
rrh_UE_port
;
}
openair0_cfg
[
card
].
num_rb_dl
=
frame_parms
[
0
]
->
N_RB_DL
;
openair0_cfg
[
card
].
tx_num_channels
=
min
(
2
,((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
));
openair0_cfg
[
card
].
rx_num_channels
=
min
(
2
,((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
));
for
(
i
=
0
;
i
<
4
;
i
++
)
{
if
(
i
<
openair0_cfg
[
card
].
tx_num_channels
)
openair0_cfg
[
card
].
tx_freq
[
i
]
=
(
UE_flag
==
0
)
?
downlink_frequency
[
0
][
i
]
:
downlink_frequency
[
0
][
i
]
+
uplink_frequency_offset
[
0
][
i
];
else
openair0_cfg
[
card
].
tx_freq
[
i
]
=
0
.
0
;
if
(
i
<
openair0_cfg
[
card
].
rx_num_channels
)
openair0_cfg
[
card
].
rx_freq
[
i
]
=
(
UE_flag
==
0
)
?
downlink_frequency
[
0
][
i
]
+
uplink_frequency_offset
[
0
][
i
]
:
downlink_frequency
[
0
][
i
];
else
openair0_cfg
[
card
].
rx_freq
[
i
]
=
0
.
0
;
printf
(
"Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f
\n
"
,
card
,
i
,
openair0_cfg
[
card
].
tx_gain
[
i
],
openair0_cfg
[
card
].
rx_gain
[
i
],
openair0_cfg
[
card
].
tx_freq
[
i
],
openair0_cfg
[
card
].
rx_freq
[
i
]);
openair0_cfg
[
card
].
autocal
[
i
]
=
1
;
openair0_cfg
[
card
].
tx_gain
[
i
]
=
tx_gain
[
0
][
i
];
if
(
UE_flag
==
0
)
{
openair0_cfg
[
card
].
rx_gain
[
i
]
=
PHY_vars_eNB_g
[
0
][
0
]
->
rx_total_gain_dB
;
}
else
{
openair0_cfg
[
card
].
rx_gain
[
i
]
=
PHY_vars_UE_g
[
0
][
0
]
->
rx_total_gain_dB
;
}
}
}
}
int
main
(
int
argc
,
char
**
argv
)
{
int
i
,
aa
,
card
=
0
;
...
...
@@ -1190,8 +1349,7 @@ int main( int argc, char **argv )
#endif
int
CC_id
;
uint16_t
Nid_cell
=
0
;
uint8_t
cooperation_flag
=
0
,
abstraction_flag
=
0
;
uint8_t
abstraction_flag
=
0
;
uint8_t
beta_ACK
=
0
,
beta_RI
=
0
,
beta_CQI
=
2
;
#if defined (XFORMS)
...
...
@@ -1211,39 +1369,18 @@ int main( int argc, char **argv )
memset
(
tx_max_power
,
0
,
sizeof
(
int
)
*
MAX_NUM_CCs
);
set_latency_target
();
// det defaults
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
frame_parms
[
CC_id
]
=
(
LTE_DL_FRAME_PARMS
*
)
malloc
(
sizeof
(
LTE_DL_FRAME_PARMS
));
/* Set some default values that may be overwritten while reading options */
frame_parms
[
CC_id
]
->
frame_type
=
FDD
;
frame_parms
[
CC_id
]
->
tdd_config
=
3
;
frame_parms
[
CC_id
]
->
tdd_config_S
=
0
;
frame_parms
[
CC_id
]
->
N_RB_DL
=
100
;
frame_parms
[
CC_id
]
->
N_RB_UL
=
100
;
frame_parms
[
CC_id
]
->
Ncp
=
NORMAL
;
frame_parms
[
CC_id
]
->
Ncp_UL
=
NORMAL
;
frame_parms
[
CC_id
]
->
Nid_cell
=
Nid_cell
;
frame_parms
[
CC_id
]
->
num_MBSFN_config
=
0
;
frame_parms
[
CC_id
]
->
nb_antennas_tx_eNB
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_tx
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_rx
=
1
;
}
// set default parameters
set_default_frame_parms
(
frame_parms
);
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
downlink_frequency
[
CC_id
][
0
]
=
2680000000
;
// Use float to avoid issue with frequency over 2^31.
downlink_frequency
[
CC_id
][
1
]
=
downlink_frequency
[
CC_id
][
0
];
downlink_frequency
[
CC_id
][
2
]
=
downlink_frequency
[
CC_id
][
0
];
downlink_frequency
[
CC_id
][
3
]
=
downlink_frequency
[
CC_id
][
0
];
//printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]);
}
// initialize logging
logInit
();
rf_config_file
[
0
]
=
'\0'
;
get_options
(
argc
,
argv
);
//Command-line options
if
(
rf_config_file
[
0
]
==
'\0'
)
openair0_cfg
[
0
].
configFilename
=
NULL
;
else
openair0_cfg
[
0
].
configFilename
=
rf_config_file
;
// get options and fill parameters from configuration file
get_options
(
argc
,
argv
);
//Command-line options
, enb_properties
#if T_TRACER
T_init
(
T_port
,
T_wait
,
T_dont_fork
);
...
...
@@ -1363,26 +1500,12 @@ int main( int argc, char **argv )
// init the parameters
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
frame_parms
[
CC_id
]
->
nushift
=
0
;
if
(
UE_flag
==
0
)
{
}
else
{
//UE_flag==1
if
(
UE_flag
==
1
)
{
frame_parms
[
CC_id
]
->
nb_antennas_tx
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_rx
=
1
;
frame_parms
[
CC_id
]
->
nb_antennas_tx_eNB
=
(
transmission_mode
==
1
)
?
1
:
2
;
//initial value overwritten by initial sync later
}
frame_parms
[
CC_id
]
->
mode1_flag
=
(
transmission_mode
==
1
)
?
1
:
0
;
frame_parms
[
CC_id
]
->
phich_config_common
.
phich_resource
=
oneSixth
;
frame_parms
[
CC_id
]
->
phich_config_common
.
phich_duration
=
normal
;
// UL RS Config
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
cyclicShift
=
0
;
//n_DMRS1 set to 0
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
groupHoppingEnabled
=
0
;
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
sequenceHoppingEnabled
=
0
;
frame_parms
[
CC_id
]
->
pusch_config_common
.
ul_ReferenceSignalsPUSCH
.
groupAssignmentPUSCH
=
0
;
frame_parms
[
CC_id
]
->
threequarter_fs
=
threequarter_fs
;
init_ul_hopping
(
frame_parms
[
CC_id
]);
init_frame_parms
(
frame_parms
[
CC_id
],
1
);
// phy_init_top(frame_parms[CC_id]);
...
...
@@ -1392,11 +1515,7 @@ int main( int argc, char **argv )
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
//init prach for openair1 test
frame_parms
[
CC_id
]
->
prach_config_common
.
rootSequenceIndex
=
22
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
zeroCorrelationZoneConfig
=
1
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_ConfigIndex
=
0
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
highSpeedFlag
=
0
;
frame_parms
[
CC_id
]
->
prach_config_common
.
prach_ConfigInfo
.
prach_FreqOffset
=
0
;
// prach_fmt = get_prach_fmt(frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex, frame_parms->frame_type);
// N_ZC = (prach_fmt <4)?839:139;
}
...
...
@@ -1457,7 +1576,7 @@ int main( int argc, char **argv )
PHY_vars_eNB_g
[
0
]
=
malloc
(
sizeof
(
PHY_VARS_eNB
*
));
for
(
CC_id
=
0
;
CC_id
<
MAX_NUM_CCs
;
CC_id
++
)
{
PHY_vars_eNB_g
[
0
][
CC_id
]
=
init_lte_eNB
(
frame_parms
[
CC_id
],
0
,
frame_parms
[
CC_id
]
->
Nid_cell
,
cooperation_flag
,
transmission_mode
,
abstraction_flag
);
PHY_vars_eNB_g
[
0
][
CC_id
]
=
init_lte_eNB
(
frame_parms
[
CC_id
],
0
,
frame_parms
[
CC_id
]
->
Nid_cell
,
0
,
transmission_mode
,
abstraction_flag
);
PHY_vars_eNB_g
[
0
][
CC_id
]
->
CC_id
=
CC_id
;
if
(
phy_test
==
1
)
PHY_vars_eNB_g
[
0
][
CC_id
]
->
mac_enabled
=
0
;
...
...
@@ -1497,107 +1616,9 @@ int main( int argc, char **argv )
dump_frame_parms
(
frame_parms
[
0
]);
for
(
card
=
0
;
card
<
MAX_CARDS
;
card
++
)
{
openair0_cfg
[
card
].
mmapped_dma
=
mmapped_dma
;
if
(
frame_parms
[
0
]
->
N_RB_DL
==
100
)
{
if
(
frame_parms
[
0
]
->
threequarter_fs
)
{
openair0_cfg
[
card
].
sample_rate
=
23.04e6
;
openair0_cfg
[
card
].
samples_per_frame
=
230400
;
openair0_cfg
[
card
].
tx_bw
=
10e6
;
openair0_cfg
[
card
].
rx_bw
=
10e6
;
}
else
{
openair0_cfg
[
card
].
sample_rate
=
30.72e6
;
openair0_cfg
[
card
].
samples_per_frame
=
307200
;
openair0_cfg
[
card
].
tx_bw
=
10e6
;
openair0_cfg
[
card
].
rx_bw
=
10e6
;
}
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
50
)
{
openair0_cfg
[
card
].
sample_rate
=
15.36e6
;
openair0_cfg
[
card
].
samples_per_frame
=
153600
;
openair0_cfg
[
card
].
tx_bw
=
5e6
;
openair0_cfg
[
card
].
rx_bw
=
5e6
;
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
25
)
{
openair0_cfg
[
card
].
sample_rate
=
7.68e6
;
openair0_cfg
[
card
].
samples_per_frame
=
76800
;
openair0_cfg
[
card
].
tx_bw
=
2.5e6
;
openair0_cfg
[
card
].
rx_bw
=
2.5e6
;
}
else
if
(
frame_parms
[
0
]
->
N_RB_DL
==
6
)
{
openair0_cfg
[
card
].
sample_rate
=
1.92e6
;
openair0_cfg
[
card
].
samples_per_frame
=
19200
;
openair0_cfg
[
card
].
tx_bw
=
1.5e6
;
openair0_cfg
[
card
].
rx_bw
=
1.5e6
;
}
if
(
frame_parms
[
0
]
->
frame_type
==
TDD
)
openair0_cfg
[
card
].
duplex_mode
=
duplex_mode_TDD
;
else
//FDD
openair0_cfg
[
card
].
duplex_mode
=
duplex_mode_FDD
;
if
(
local_remote_radio
==
BBU_REMOTE_RADIO_HEAD
)
{
openair0_cfg
[
card
].
remote_addr
=
eth_params
->
remote_addr
;
openair0_cfg
[
card
].
remote_port
=
eth_params
->
remote_port
;
openair0_cfg
[
card
].
my_addr
=
eth_params
->
my_addr
;
openair0_cfg
[
card
].
my_port
=
eth_params
->
my_port
;
}
printf
(
"HW: Configuring card %d, nb_antennas_tx/rx %d/%d
\n
"
,
card
,
((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
),
((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
));
openair0_cfg
[
card
].
Mod_id
=
0
;
#ifdef ETHERNET
if
(
UE_flag
)
{
printf
(
"ETHERNET: Configuring UE ETH for %s:%d
\n
"
,
rrh_UE_ip
,
rrh_UE_port
);
openair0_cfg
[
card
].
remote_addr
=
&
rrh_UE_ip
[
0
];
openair0_cfg
[
card
].
remote_port
=
rrh_UE_port
;
}
openair0_cfg
[
card
].
num_rb_dl
=
frame_parms
[
0
]
->
N_RB_DL
;
#endif
// in the case of the USRP, the following variables need to be initialized before the init
// since the USRP only supports one CC (for the moment), we initialize all the cards with first CC.
// in the case of EXMIMO2, these values are overwirtten in the function setup_eNB/UE_buffer
openair0_cfg
[
card
].
tx_num_channels
=
min
(
2
,((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_tx
));
openair0_cfg
[
card
].
rx_num_channels
=
min
(
2
,((
UE_flag
==
0
)
?
PHY_vars_eNB_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
:
PHY_vars_UE_g
[
0
][
0
]
->
frame_parms
.
nb_antennas_rx
));
for
(
i
=
0
;
i
<
4
;
i
++
)
{
if
(
i
<
openair0_cfg
[
card
].
tx_num_channels
)
openair0_cfg
[
card
].
tx_freq
[
i
]
=
(
UE_flag
==
0
)
?
downlink_frequency
[
0
][
i
]
:
downlink_frequency
[
0
][
i
]
+
uplink_frequency_offset
[
0
][
i
];
else
openair0_cfg
[
card
].
tx_freq
[
i
]
=
0
.
0
;
if
(
i
<
openair0_cfg
[
card
].
rx_num_channels
)
openair0_cfg
[
card
].
rx_freq
[
i
]
=
(
UE_flag
==
0
)
?
downlink_frequency
[
0
][
i
]
+
uplink_frequency_offset
[
0
][
i
]
:
downlink_frequency
[
0
][
i
];
else
openair0_cfg
[
card
].
rx_freq
[
i
]
=
0
.
0
;
printf
(
"Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f
\n
"
,
card
,
i
,
openair0_cfg
[
card
].
tx_gain
[
i
],
openair0_cfg
[
card
].
rx_gain
[
i
],
openair0_cfg
[
card
].
tx_freq
[
i
],
openair0_cfg
[
card
].
rx_freq
[
i
]);
openair0_cfg
[
card
].
autocal
[
i
]
=
1
;
openair0_cfg
[
card
].
tx_gain
[
i
]
=
tx_gain
[
0
][
i
];
if
(
UE_flag
==
0
)
{
openair0_cfg
[
card
].
rx_gain
[
i
]
=
PHY_vars_eNB_g
[
0
][
0
]
->
rx_total_gain_dB
;
}
else
{
openair0_cfg
[
card
].
rx_gain
[
i
]
=
PHY_vars_UE_g
[
0
][
0
]
->
rx_total_gain_dB
;
}
init_openair0
();
}
}
#ifndef DEADLINE_SCHEDULER
...
...
@@ -1644,15 +1665,21 @@ int main( int argc, char **argv )
openair0_cfg
[
0
].
log_level
=
glog_level
;
mac_xface
=
malloc
(
sizeof
(
MAC_xface
));
int
eMBMS_active
=
0
;
int
eMBMS_active
=
0
;
if
(
node_function
[
0
]
>=
NGFI_RAU_IF4p5
)
{
// don't initialize L2 for RRU
mac_xface
=
malloc
(
sizeof
(
MAC_xface
));
l2_init
(
frame_parms
[
0
],
eMBMS_active
,(
uecap_xer_in
==
1
)
?
uecap_xer
:
NULL
,
0
,
// cba_group_active
0
);
// HO flag
mac_xface
->
macphy_exit
=
&
exit_fun
;
}
else
if
(
node_function
[
0
]
==
NGFI_RRU_IF4p5
)
{
// Initialize PRACH in this case
}
#if defined(ENABLE_ITTI)
...
...
@@ -1672,7 +1699,7 @@ int main( int argc, char **argv )
printf
(
"Filling UE band info
\n
"
);
fill_ue_band_info
();
mac_xface
->
dl_phy_sync_success
(
0
,
0
,
0
,
1
);
}
else
}
else
if
(
node_function
[
0
]
>
NGFI_RRU_IF4p5
)
mac_xface
->
mrbch_phy_sync_failure
(
0
,
0
,
0
);
}
...
...
This diff is collapsed.
Click to expand it.
targets/SIMU/USER/init_lte.c
View file @
91f89b69
...
...
@@ -70,6 +70,7 @@ PHY_VARS_eNB* init_lte_eNB(LTE_DL_FRAME_PARMS *frame_parms,
NUMBER_OF_UE_MAX
,
NUMBER_OF_eNB_MAX
,
NUMBER_OF_HARQ_PID_MAX
);
LOG_I
(
PHY
,
"init eNB: N_RB_DL %d
\n
"
,
frame_parms
->
N_RB_DL
);
LOG_I
(
PHY
,
"init eNB: Transmission mode %d
\n
"
,
transmission_mode
);
LOG_I
(
PHY
,
"init eNB: prach_config_index %d
\n
"
,
frame_parms
->
prach_config_common
.
prach_ConfigInfo
.
prach_ConfigIndex
);
for
(
i
=
0
;
i
<
NUMBER_OF_UE_MAX
;
i
++
)
{
for
(
j
=
0
;
j
<
2
;
j
++
)
{
...
...
This diff is collapsed.
Click to expand it.
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