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canghaiwuhen
OpenXG-RAN
Commits
3874e934
Commit
3874e934
authored
Oct 21, 2020
by
Mario Hudon
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Added support of PRACH on start symbol != 0 on the UE
parent
b0b5825c
Changes
1
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1 changed file
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4 additions
and
3 deletions
+4
-3
openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
+4
-3
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openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
View file @
3874e934
...
@@ -72,7 +72,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
...
@@ -72,7 +72,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
int16_t
Ncp
=
0
,
amp
,
*
prach
,
*
prach2
,
*
prachF
,
*
Xu
;
int16_t
Ncp
=
0
,
amp
,
*
prach
,
*
prach2
,
*
prachF
,
*
Xu
;
int32_t
Xu_re
,
Xu_im
;
int32_t
Xu_re
,
Xu_im
;
int
prach_start
,
prach_sequence_length
,
i
,
prach_len
,
dftlen
,
mu
,
kbar
,
K
,
n_ra_prb
,
k
;
int
prach_start
,
prach_sequence_length
,
i
,
prach_len
,
dftlen
,
mu
,
kbar
,
K
,
n_ra_prb
,
k
,
prachStartSymbol
,
sample_offset_slot
;
//int restricted_Type;
//int restricted_Type;
prach
=
prach_tmp
;
prach
=
prach_tmp
;
...
@@ -95,7 +95,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
...
@@ -95,7 +95,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
kbar
=
1
;
kbar
=
1
;
K
=
24
;
K
=
24
;
k
=
12
*
n_ra_prb
-
6
*
fp
->
N_RB_UL
;
k
=
12
*
n_ra_prb
-
6
*
fp
->
N_RB_UL
;
//prachStartSymbol = prach_config_pdu->prach_start_symbol
prachStartSymbol
=
prach_pdu
->
prach_start_symbol
;
//restricted_Type = 0;
//restricted_Type = 0;
compute_nr_prach_seq
(
nrUE_config
->
prach_config
.
prach_sequence_length
,
compute_nr_prach_seq
(
nrUE_config
->
prach_config
.
prach_sequence_length
,
...
@@ -103,7 +103,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
...
@@ -103,7 +103,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
nrUE_config
->
prach_config
.
num_prach_fd_occasions_list
[
fd_occasion
].
prach_root_sequence_index
,
nrUE_config
->
prach_config
.
num_prach_fd_occasions_list
[
fd_occasion
].
prach_root_sequence_index
,
ue
->
X_u
);
ue
->
X_u
);
prach_start
=
fp
->
get_samples_slot_timestamp
(
slot
,
fp
,
0
);
sample_offset_slot
=
(
prachStartSymbol
==
0
?
0
:
fp
->
ofdm_symbol_size
*
prachStartSymbol
+
fp
->
nb_prefix_samples0
+
fp
->
nb_prefix_samples
*
(
prachStartSymbol
-
1
));
prach_start
=
fp
->
get_samples_slot_timestamp
(
slot
,
fp
,
0
)
+
sample_offset_slot
;
// First compute physical root sequence
// First compute physical root sequence
/************************************************************************
/************************************************************************
...
...
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