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Michael Black
OpenXG UE
Commits
5e9cc8f7
Commit
5e9cc8f7
authored
Aug 06, 2019
by
Raymond Knopp
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adding nr_common.c
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5e9cc8f7
/*
* 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 config_ue.c
* \brief common utility functions for NR (gNB and UE)
* \author R. Knopp,
* \date 2019
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include <stdint.h>
#include "assertions.h"
int
NRRIV2BW
(
int
locationAndBandwidth
,
int
N_RB
)
{
int
tmp
=
locationAndBandwidth
/
N_RB
;
int
tmp2
=
locationAndBandwidth
%
N_RB
;
if
(
tmp
<=
(
N_RB
-
tmp2
+
1
))
return
(
tmp
);
else
return
(
N_RB
-
tmp
);
}
int
NRRIV2PRBOFFSET
(
int
locationAndBandwidth
,
int
N_RB
)
{
int
tmp
=
locationAndBandwidth
/
N_RB
;
int
tmp2
=
locationAndBandwidth
%
N_RB
;
if
(
tmp
<=
(
N_RB
-
tmp2
+
1
))
return
(
tmp2
);
else
return
(
N_RB
-
tmp2
);
}
int
PRBalloc_to_locationanbandwidth
(
int
NPRB
,
int
RBstart
)
{
return
(
275
*
(
NPRB
-
1
)
+
RBstart
);
}
/// Target code rate tables indexed by Imcs
uint16_t
nr_target_code_rate_table1
[
29
]
=
{
120
,
157
,
193
,
251
,
308
,
379
,
449
,
526
,
602
,
679
,
340
,
378
,
434
,
490
,
553
,
\
616
,
658
,
438
,
466
,
517
,
567
,
616
,
666
,
719
,
772
,
822
,
873
,
910
,
948
};
// Imcs values 20 and 26 have been multiplied by 2 to avoid the floating point
uint16_t
nr_target_code_rate_table2
[
28
]
=
{
120
,
193
,
308
,
449
,
602
,
378
,
434
,
490
,
553
,
616
,
658
,
466
,
517
,
567
,
\
616
,
666
,
719
,
772
,
822
,
873
,
1365
,
711
,
754
,
797
,
841
,
885
,
1833
,
948
};
uint16_t
nr_target_code_rate_table3
[
29
]
=
{
30
,
40
,
50
,
64
,
78
,
99
,
120
,
157
,
193
,
251
,
308
,
379
,
449
,
526
,
602
,
340
,
\
378
,
434
,
490
,
553
,
616
,
438
,
466
,
517
,
567
,
616
,
666
,
719
,
772
};
uint16_t
nr_tbs_table
[
93
]
=
{
24
,
32
,
40
,
48
,
56
,
64
,
72
,
80
,
88
,
96
,
104
,
112
,
120
,
128
,
136
,
144
,
152
,
160
,
168
,
176
,
184
,
192
,
208
,
224
,
240
,
256
,
272
,
288
,
304
,
320
,
\
336
,
352
,
368
,
384
,
408
,
432
,
456
,
480
,
504
,
528
,
552
,
576
,
608
,
640
,
672
,
704
,
736
,
768
,
808
,
848
,
888
,
928
,
984
,
1032
,
1064
,
1128
,
1160
,
1192
,
1224
,
1256
,
\
1288
,
1320
,
1352
,
1416
,
1480
,
1544
,
1608
,
1672
,
1736
,
1800
,
1864
,
1928
,
2024
,
2088
,
2152
,
2216
,
2280
,
2408
,
2472
,
2536
,
2600
,
2664
,
2728
,
2792
,
2856
,
2976
,
\
3104
,
3240
,
3368
,
3496
,
3624
,
3752
,
3824
};
uint8_t
nr_get_Qm
(
uint8_t
Imcs
,
uint8_t
table_idx
)
{
switch
(
table_idx
)
{
case
1
:
return
(((
Imcs
<
10
)
||
(
Imcs
==
29
))
?
2
:
((
Imcs
<
17
)
||
(
Imcs
==
30
))
?
4
:
((
Imcs
<
29
)
||
(
Imcs
==
31
))
?
6
:-
1
);
break
;
case
2
:
return
(((
Imcs
<
5
)
||
(
Imcs
==
28
))
?
2
:
((
Imcs
<
11
)
||
(
Imcs
==
29
))
?
4
:
((
Imcs
<
20
)
||
(
Imcs
==
30
))
?
6
:
((
Imcs
<
28
)
||
(
Imcs
==
31
))
?
8
:-
1
);
break
;
case
3
:
return
(((
Imcs
<
15
)
||
(
Imcs
==
29
))
?
2
:
((
Imcs
<
21
)
||
(
Imcs
==
30
))
?
4
:
((
Imcs
<
29
)
||
(
Imcs
==
31
))
?
6
:-
1
);
break
;
default:
AssertFatal
(
0
,
"Invalid MCS table index %d (expected in range [1,3])
\n
"
,
table_idx
);
return
(
0
);
break
;
}
}
uint32_t
nr_get_code_rate
(
uint8_t
Imcs
,
uint8_t
table_idx
)
{
switch
(
table_idx
)
{
case
1
:
return
(
nr_target_code_rate_table1
[
Imcs
]);
break
;
case
2
:
return
(
nr_target_code_rate_table2
[
Imcs
]);
break
;
case
3
:
return
(
nr_target_code_rate_table3
[
Imcs
]);
break
;
default:
AssertFatal
(
0
,
"Invalid MCS table index %d (expected in range [1,3])
\n
"
,
table_idx
);
return
(
0
);
break
;
}
}
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