Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
O
OpenXG UE
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Michael Black
OpenXG UE
Commits
5313984e
Commit
5313984e
authored
Jan 31, 2022
by
Sakthivel Velumani
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Code cleanup
parent
3257b966
Changes
3
Show whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
37 additions
and
52 deletions
+37
-52
openair1/PHY/NR_TRANSPORT/nr_dci.c
openair1/PHY/NR_TRANSPORT/nr_dci.c
+1
-1
openair1/PHY/NR_TRANSPORT/nr_pss.c
openair1/PHY/NR_TRANSPORT/nr_pss.c
+17
-25
openair1/PHY/NR_TRANSPORT/nr_sss.c
openair1/PHY/NR_TRANSPORT/nr_sss.c
+19
-26
No files found.
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @
5313984e
openair1/PHY/NR_TRANSPORT/nr_pss.c
View file @
5313984e
...
...
@@ -30,44 +30,36 @@ int nr_generate_pss( int32_t *txdataF,
nfapi_nr_config_request_scf_t
*
config
,
NR_DL_FRAME_PARMS
*
frame_parms
)
{
int
i
,
k
,
l
,
m
;
int16_t
a
;
int16_t
d_pss
[
NR_PSS_LENGTH
];
int16_t
x
[
NR_PSS_LENGTH
];
const
int
x_initial
[
7
]
=
{
0
,
1
,
1
,
0
,
1
,
1
,
1
};
uint8_t
Nid2
=
config
->
cell_config
.
phy_cell_id
.
value
%
3
;
/// Sequence generation
for
(
i
=
0
;
i
<
7
;
i
++
)
for
(
i
nt
i
=
0
;
i
<
7
;
i
++
)
x
[
i
]
=
x_initial
[
i
];
for
(
i
=
0
;
i
<
(
NR_PSS_LENGTH
-
7
);
i
++
)
{
for
(
i
nt
i
=
0
;
i
<
(
NR_PSS_LENGTH
-
7
);
i
++
)
{
x
[
i
+
7
]
=
(
x
[
i
+
4
]
+
x
[
i
])
%
2
;
}
for
(
i
=
0
;
i
<
NR_PSS_LENGTH
;
i
++
)
{
m
=
(
i
+
43
*
Nid2
)
%
(
NR_PSS_LENGTH
);
d_pss
[
i
]
=
(
1
-
2
*
x
[
m
])
*
23170
;
}
#ifdef NR_PSS_DEBUG
write_output
(
"d_pss.m"
,
"d_pss"
,
(
void
*
)
d_pss
,
NR_PSS_LENGTH
,
1
,
0
);
printf
(
"PSS: ofdm_symbol_size %d, first_carrier_offset %d
\n
"
,
frame_parms
->
ofdm_symbol_size
,
frame_parms
->
first_carrier_offset
);
#endif
/// Resource mapping
a
=
amp
;
// PSS occupies a predefined position (subcarriers 56-182, symbol 0) within the SSB block starting from
k
=
frame_parms
->
first_carrier_offset
+
frame_parms
->
ssb_start_subcarrier
+
56
;
//and
int
k
=
frame_parms
->
first_carrier_offset
+
frame_parms
->
ssb_start_subcarrier
+
56
;
//and
if
(
k
>=
frame_parms
->
ofdm_symbol_size
)
k
-=
frame_parms
->
ofdm_symbol_size
;
l
=
ssb_start_symbol
;
int
l
=
ssb_start_symbol
;
for
(
m
=
0
;
m
<
NR_PSS_LENGTH
;
m
++
)
{
uint8_t
Nid2
=
config
->
cell_config
.
phy_cell_id
.
value
%
3
;
for
(
int
i
=
0
;
i
<
NR_PSS_LENGTH
;
i
++
)
{
int
m
=
(
i
+
43
*
Nid2
)
%
(
NR_PSS_LENGTH
);
int16_t
d_pss
=
(
1
-
2
*
x
[
m
])
*
23170
;
// printf("pss: writing position k %d / %d\n",k,frame_parms->ofdm_symbol_size);
((
int16_t
*
)
txdataF
)[
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)]
=
(
a
*
d_pss
[
m
]
)
>>
15
;
((
int16_t
*
)
txdataF
)[
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)]
=
(((
int16_t
)
amp
)
*
d_pss
)
>>
15
;
k
++
;
if
(
k
>=
frame_parms
->
ofdm_symbol_size
)
...
...
openair1/PHY/NR_TRANSPORT/nr_sss.c
View file @
5313984e
...
...
@@ -29,36 +29,28 @@ int nr_generate_sss( int32_t *txdataF,
nfapi_nr_config_request_scf_t
*
config
,
NR_DL_FRAME_PARMS
*
frame_parms
)
{
int
i
,
k
,
l
;
int
m0
,
m1
;
int
Nid
,
Nid1
,
Nid2
;
//int16_t a;
int16_t
d_sss
[
NR_SSS_LENGTH
];
int16_t
x0
[
NR_SSS_LENGTH
],
x1
[
NR_SSS_LENGTH
];
int16_t
x0
[
NR_SSS_LENGTH
];
int16_t
x1
[
NR_SSS_LENGTH
];
const
int
x0_initial
[
7
]
=
{
1
,
0
,
0
,
0
,
0
,
0
,
0
};
const
int
x1_initial
[
7
]
=
{
1
,
0
,
0
,
0
,
0
,
0
,
0
};
/// Sequence generation
Nid
=
config
->
cell_config
.
phy_cell_id
.
value
;
Nid2
=
Nid
%
3
;
Nid1
=
(
Nid
-
Nid2
)
/
3
;
int
Nid
=
config
->
cell_config
.
phy_cell_id
.
value
;
int
Nid2
=
Nid
%
3
;
int
Nid1
=
(
Nid
-
Nid2
)
/
3
;
for
(
i
=
0
;
i
<
7
;
i
++
)
{
for
(
int
i
=
0
;
i
<
7
;
i
++
)
{
x0
[
i
]
=
x0_initial
[
i
];
x1
[
i
]
=
x1_initial
[
i
];
}
for
(
i
=
0
;
i
<
NR_SSS_LENGTH
-
7
;
i
++
)
{
for
(
int
i
=
0
;
i
<
NR_SSS_LENGTH
-
7
;
i
++
)
{
x0
[
i
+
7
]
=
(
x0
[
i
+
4
]
+
x0
[
i
])
%
2
;
x1
[
i
+
7
]
=
(
x1
[
i
+
1
]
+
x1
[
i
])
%
2
;
}
m0
=
15
*
(
Nid1
/
112
)
+
(
5
*
Nid2
);
m1
=
Nid1
%
112
;
for
(
i
=
0
;
i
<
NR_SSS_LENGTH
;
i
++
)
{
d_sss
[
i
]
=
(
1
-
2
*
x0
[(
i
+
m0
)
%
NR_SSS_LENGTH
]
)
*
(
1
-
2
*
x1
[(
i
+
m1
)
%
NR_SSS_LENGTH
]
)
*
23170
;
}
int
m0
=
15
*
(
Nid1
/
112
)
+
(
5
*
Nid2
);
int
m1
=
Nid1
%
112
;
#ifdef NR_SSS_DEBUG
write_output
(
"d_sss.m"
,
"d_sss"
,
(
void
*
)
d_sss
,
NR_SSS_LENGTH
,
1
,
1
);
...
...
@@ -67,11 +59,12 @@ int nr_generate_sss( int32_t *txdataF,
/// Resource mapping
// SSS occupies a predefined position (subcarriers 56-182, symbol 2) within the SSB block starting from
k
=
frame_parms
->
first_carrier_offset
+
frame_parms
->
ssb_start_subcarrier
+
56
;
//and
l
=
ssb_start_symbol
+
2
;
int
k
=
frame_parms
->
first_carrier_offset
+
frame_parms
->
ssb_start_subcarrier
+
56
;
//and
int
l
=
ssb_start_symbol
+
2
;
for
(
int
m
=
0
;
m
<
NR_SSS_LENGTH
;
m
++
)
{
((
int16_t
*
)
txdataF
)[
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)]
=
(
amp
*
d_sss
[
m
])
>>
15
;
for
(
int
i
=
0
;
i
<
NR_SSS_LENGTH
;
i
++
)
{
int16_t
d_sss
=
(
1
-
2
*
x0
[(
i
+
m0
)
%
NR_SSS_LENGTH
]
)
*
(
1
-
2
*
x1
[(
i
+
m1
)
%
NR_SSS_LENGTH
]
)
*
23170
;
((
int16_t
*
)
txdataF
)[
2
*
(
l
*
frame_parms
->
ofdm_symbol_size
+
k
)]
=
(((
int16_t
)
amp
)
*
d_sss
)
>>
15
;
k
++
;
if
(
k
>=
frame_parms
->
ofdm_symbol_size
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment