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oai
openairinterface5G
Commits
513ed46e
Commit
513ed46e
authored
Dec 16, 2015
by
Elena Lukashova
Browse files
Calibrating offset for TM1 and introducing LUT interf_unaw_shift_tm1_mcs. LUT valid for mcs<=13,
to be completed in the next commit.
parent
877d7b3b
Changes
1
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Side-by-side
openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
View file @
513ed46e
...
...
@@ -65,8 +65,10 @@ uint8_t interf_unaw_shift0=0;
uint8_t
interf_unaw_shift1
=
0
;
uint8_t
interf_unaw_shift
=
0
;
//inferference-free case
unsigned
char
interf_unaw_shift_mcs
[
29
]
=
{
5
,
3
,
4
,
3
,
3
,
2
,
1
,
1
,
2
,
0
,
1
,
1
,
1
,
1
,
0
,
0
,
1
,
1
,
1
,
1
,
0
,
2
,
1
,
0
,
1
,
0
,
1
,
0
,
0
}
;
unsigned
char
interf_unaw_shift_tm4_mcs
[
29
]
=
{
5
,
3
,
4
,
3
,
3
,
2
,
1
,
1
,
2
,
0
,
1
,
1
,
1
,
1
,
0
,
0
,
1
,
1
,
1
,
1
,
0
,
2
,
1
,
0
,
1
,
0
,
1
,
0
,
0
}
;
unsigned
char
interf_unaw_shift_tm1_mcs
[
29
]
=
{
5
,
5
,
4
,
3
,
3
,
3
,
2
,
2
,
4
,
4
,
2
,
3
,
3
,
3
,
0
,
0
,
1
,
1
,
1
,
1
,
0
,
2
,
1
,
0
,
1
,
0
,
1
,
0
,
0
}
;
// this is valid only till mcs13
/*
//original values from sebastion + same hand tuning
...
...
@@ -320,7 +322,8 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
avgs
=
cmax
(
avgs
,
avg
[(
aatx
<<
1
)
+
aarx
]);
// avgs = cmax(avgs,avg[(aarx<<1)+aatx]);
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh
=
(
log2_approx
(
avgs
)
/
2
)
+
interf_unaw_shift
;
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh
=
(
log2_approx
(
avgs
)
/
2
)
+
interf_unaw_shift_tm1_mcs
[
dlsch0_harq
->
mcs
];
// printf(" TM1 shift = %d\n",interf_unaw_shift_tm1_mcs[dlsch0_harq->mcs]);
// + log2_approx(frame_parms->nb_antennas_tx_eNB-1) //-1 because log2_approx counts the number of bits
// + log2_approx(frame_parms->nb_antennas_rx-1);
...
...
@@ -441,10 +444,10 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
}
else
// to avoid tails in SNR/BLER curves
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh0
=
(
log2_approx
(
avg
[
0
])
/
2
)
+
interf_unaw_shift_mcs
[
dlsch0_harq
->
mcs
];
//printf("I-UA shift layer1 = %d\n",interf_unaw_shift_mcs[dlsch0_harq->mcs]);
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh1
=
(
log2_approx
(
avg
[
0
])
/
2
)
+
interf_unaw_shift_mcs
[
dlsch1_harq
->
mcs
];
//printf("I-UA shift layer2 = %d\n",interf_unaw_shift_mcs[dlsch1_harq->mcs] );
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh0
=
(
log2_approx
(
avg
[
0
])
/
2
)
+
interf_unaw_shift_
tm4_
mcs
[
dlsch0_harq
->
mcs
];
//printf("
TM4
I-UA shift layer1 = %d\n",interf_unaw_shift_
tm4_
mcs[dlsch0_harq->mcs]);
lte_ue_pdsch_vars
[
eNB_id
]
->
log2_maxh1
=
(
log2_approx
(
avg
[
0
])
/
2
)
+
interf_unaw_shift_
tm4_
mcs
[
dlsch1_harq
->
mcs
];
//printf("
TM4
I-UA shift layer2 = %d\n",interf_unaw_shift_
tm4_
mcs[dlsch1_harq->mcs] );
}
dlsch_channel_compensation_TM34
(
frame_parms
,
...
...
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