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dyyu
openairinterface5G
Commits
8160f8a2
Commit
8160f8a2
authored
May 19, 2017
by
Tomohiro Sakai
Browse files
Fujitsu No.39 Correct pdcch symbol calculation
parent
430a8c4e
Changes
1
Hide whitespace changes
Inline
Side-by-side
openair1/PHY/LTE_TRANSPORT/dci.c
100644 → 100755
View file @
8160f8a2
...
...
@@ -1979,6 +1979,9 @@ uint8_t get_num_pdcch_symbols(uint8_t num_dci,
uint16_t
numCCE
=
0
;
uint8_t
i
;
uint8_t
nCCEmin
=
0
;
uint16_t
CCE_max_used_index
=
0
;
uint16_t
firstCCE_max
=
dci_alloc
[
0
].
firstCCE
;
uint8_t
L
=
dci_alloc
[
0
].
L
;
// check pdcch duration imposed by PHICH duration (Section 6.9 of 36-211)
if
(
frame_parms
->
Ncp
==
1
)
{
// extended prefix
...
...
@@ -1995,16 +1998,24 @@ uint8_t get_num_pdcch_symbols(uint8_t num_dci,
for
(
i
=
0
;
i
<
num_dci
;
i
++
)
{
// printf("dci %d => %d\n",i,dci_alloc[i].L);
numCCE
+=
(
1
<<
(
dci_alloc
[
i
].
L
));
if
(
firstCCE_max
<
dci_alloc
[
i
].
firstCCE
)
{
firstCCE_max
=
dci_alloc
[
i
].
firstCCE
;
L
=
dci_alloc
[
i
].
L
;
}
if
(
i
==
(
num_dci
-
1
))
{
CCE_max_used_index
=
firstCCE_max
+
(
1
<<
L
)
-
1
;
}
}
//if ((9*numCCE) <= (frame_parms->N_RB_DL*2))
if
(
num
CCE
<=
get_nCCE
(
1
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
if
(
CCE
_max_used_index
<=
get_nCCE
(
1
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
return
(
cmax
(
1
,
nCCEmin
));
//else if ((9*numCCE) <= (frame_parms->N_RB_DL*((frame_parms->nb_antenna_ports_eNB==4) ? 4 : 5)))
else
if
(
num
CCE
<=
get_nCCE
(
2
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
else
if
(
CCE
_max_used_index
<=
get_nCCE
(
2
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
return
(
cmax
(
2
,
nCCEmin
));
//else if ((9*numCCE) <= (frame_parms->N_RB_DL*((frame_parms->nb_antenna_ports_eNB==4) ? 7 : 8)))
else
if
(
num
CCE
<=
get_nCCE
(
3
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
else
if
(
CCE
_max_used_index
<=
get_nCCE
(
3
,
frame_parms
,
get_mi
(
frame_parms
,
subframe
)))
return
(
cmax
(
3
,
nCCEmin
));
else
if
(
frame_parms
->
N_RB_DL
<=
10
)
{
if
(
frame_parms
->
Ncp
==
0
)
{
// normal CP
...
...
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