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OpenXG
OpenXG-RAN
Commits
351b7420
Commit
351b7420
authored
Dec 14, 2021
by
rmagueta
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Increase SRS periodicity to get higher bitrate in NSA
parent
edb6b9b4
Changes
1
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1 changed file
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5 additions
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5 deletions
+5
-5
openair2/RRC/NR/rrc_gNB_reconfig.c
openair2/RRC/NR/rrc_gNB_reconfig.c
+5
-5
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openair2/RRC/NR/rrc_gNB_reconfig.c
View file @
351b7420
...
...
@@ -65,8 +65,8 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
// This assert will never happen in the current implementation because NUMBER_OF_UE_MAX = 4.
// However, if in the future NUMBER_OF_UE_MAX is increased, it will be necessary to improve the allocation of SRS resources,
// where the startPosition =
1, 2 or 3 and sl40 = 7, 17, 27 or 37 only give us 12
different allocations.
AssertFatal
(
uid
>=
0
&&
uid
<
12
,
"gNB cannot allocate the SRS resources
\n
"
);
// where the startPosition =
2 or 3 and sl160 = 17, 17, 27 ... 157 only give us 30
different allocations.
AssertFatal
(
uid
>=
0
&&
uid
<
30
,
"gNB cannot allocate the SRS resources
\n
"
);
uint64_t
bitmap
=
0
;
switch
(
servingcellconfigcommon
->
ssb_PositionsInBurst
->
present
)
{
...
...
@@ -836,7 +836,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
srs_res0
->
transmissionComb
.
choice
.
n2
=
calloc
(
1
,
sizeof
(
*
srs_res0
->
transmissionComb
.
choice
.
n2
));
srs_res0
->
transmissionComb
.
choice
.
n2
->
combOffset_n2
=
0
;
srs_res0
->
transmissionComb
.
choice
.
n2
->
cyclicShift_n2
=
0
;
srs_res0
->
resourceMapping
.
startPosition
=
1
+
uid
%
3
;
srs_res0
->
resourceMapping
.
startPosition
=
2
+
uid
%
2
;
srs_res0
->
resourceMapping
.
nrofSymbols
=
NR_SRS_Resource__resourceMapping__nrofSymbols_n1
;
srs_res0
->
resourceMapping
.
repetitionFactor
=
NR_SRS_Resource__resourceMapping__repetitionFactor_n1
;
srs_res0
->
freqDomainPosition
=
0
;
...
...
@@ -851,8 +851,8 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
if
(
do_srs
)
{
srs_res0
->
resourceType
.
present
=
NR_SRS_Resource__resourceType_PR_periodic
;
srs_res0
->
resourceType
.
choice
.
periodic
=
calloc
(
1
,
sizeof
(
*
srs_res0
->
resourceType
.
choice
.
periodic
));
srs_res0
->
resourceType
.
choice
.
periodic
->
periodicityAndOffset_p
.
present
=
NR_SRS_PeriodicityAndOffset_PR_sl
4
0
;
srs_res0
->
resourceType
.
choice
.
periodic
->
periodicityAndOffset_p
.
choice
.
sl
40
=
7
+
(
uid
/
3
)
*
10
;
// 7/17/27/3
7 are mixed slots
srs_res0
->
resourceType
.
choice
.
periodic
->
periodicityAndOffset_p
.
present
=
NR_SRS_PeriodicityAndOffset_PR_sl
16
0
;
srs_res0
->
resourceType
.
choice
.
periodic
->
periodicityAndOffset_p
.
choice
.
sl
160
=
17
+
(
uid
>
1
)
*
10
;
// 17/17/.../147/15
7 are mixed slots
}
else
{
srs_res0
->
resourceType
.
present
=
NR_SRS_Resource__resourceType_PR_aperiodic
;
srs_res0
->
resourceType
.
choice
.
aperiodic
=
calloc
(
1
,
sizeof
(
*
srs_res0
->
resourceType
.
choice
.
aperiodic
));
...
...
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