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常顺宇
OpenXG-RAN
Commits
1b8e18e0
Commit
1b8e18e0
authored
5 years ago
by
Francesco Mani
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absoluteFrequencySSB is the center of SSB (correction of 10 RB in ref to point A needed)
parent
cef2ed8d
Changes
3
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3 changed files
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3 additions
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3 deletions
+3
-3
openair2/LAYER2/NR_MAC_UE/config_ue.c
openair2/LAYER2/NR_MAC_UE/config_ue.c
+1
-1
openair2/LAYER2/NR_MAC_gNB/config.c
openair2/LAYER2/NR_MAC_gNB/config.c
+1
-1
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+1
-1
No files found.
openair2/LAYER2/NR_MAC_UE/config_ue.c
View file @
1b8e18e0
...
...
@@ -221,7 +221,7 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
if
(
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencyPointA
>
2016666
)
scs_scaling
=
scs_scaling
>>
2
;
uint32_t
absolute_diff
=
(
*
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencySSB
-
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencyPointA
);
cfg
->
ssb_table
.
ssb_offset_point_a
=
absolute_diff
/
(
12
*
scs_scaling
);
cfg
->
ssb_table
.
ssb_offset_point_a
=
absolute_diff
/
(
12
*
scs_scaling
)
-
10
;
cfg
->
ssb_table
.
ssb_period
=
*
scc
->
ssb_periodicityServingCell
;
cfg
->
ssb_table
.
ssb_subcarrier_offset
=
0
;
// TODO currently not in RRC?
switch
(
scc
->
ssb_PositionsInBurst
->
present
)
{
...
...
This diff is collapsed.
Click to expand it.
openair2/LAYER2/NR_MAC_gNB/config.c
View file @
1b8e18e0
...
...
@@ -207,7 +207,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
if
(
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencyPointA
>
2016666
)
scs_scaling
=
scs_scaling
>>
2
;
uint32_t
absolute_diff
=
(
*
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencySSB
-
scc
->
downlinkConfigCommon
->
frequencyInfoDL
->
absoluteFrequencyPointA
);
cfg
->
ssb_table
.
ssb_offset_point_a
.
value
=
absolute_diff
/
(
12
*
scs_scaling
)
;
cfg
->
ssb_table
.
ssb_offset_point_a
.
value
=
absolute_diff
/
(
12
*
scs_scaling
)
-
10
;
//absoluteFrequencySSB is the central frequency of SSB which is made by 20RBs in total
cfg
->
ssb_table
.
ssb_offset_point_a
.
tl
.
tag
=
NFAPI_NR_CONFIG_SSB_OFFSET_POINT_A_TAG
;
cfg
->
num_tlv
++
;
cfg
->
ssb_table
.
ssb_period
.
value
=
*
scc
->
ssb_periodicityServingCell
;
...
...
This diff is collapsed.
Click to expand it.
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
View file @
1b8e18e0
...
...
@@ -135,7 +135,7 @@ void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP){
AssertFatal
(
1
==
0
,
"SCS %ld not allowed for SSB
\n
"
,
*
cc
->
ServingCellConfigCommon
->
ssbSubcarrierSpacing
);
}
dl_config_pdu
->
ssb_pdu
.
ssb_pdu_rel15
.
SsbSubcarrierOffset
=
0
;
//kSSB
dl_config_pdu
->
ssb_pdu
.
ssb_pdu_rel15
.
ssbOffsetPointA
=
ssb_offset0
/
(
ratio
*
12
)
;
dl_config_pdu
->
ssb_pdu
.
ssb_pdu_rel15
.
ssbOffsetPointA
=
ssb_offset0
/
(
ratio
*
12
)
-
10
;
// absoluteFrequencySSB is the center of SSB
dl_config_pdu
->
ssb_pdu
.
ssb_pdu_rel15
.
bchPayloadFlag
=
1
;
dl_config_pdu
->
ssb_pdu
.
ssb_pdu_rel15
.
bchPayload
=
(
*
(
uint32_t
*
)
cc
->
MIB_pdu
.
payload
)
&
((
1
<<
24
)
-
1
);
dl_req
->
nPDUs
++
;
...
...
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