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LTE Radio Dimensioning Guideline
Table 62
Baseband dimensioning
FDD-LTE 16 System Module capability (2x2 DL MIMO and IRC 2Rx configuration)
Number of supported cells per SM (assuming 2x2 DL MIMO and IRC 2Rx)
1,4 MHz
3 MHz
5 MHz
10 MHz
15 MHz
20 MHz
1-3 cells
1-3 cells
1-6 cells
1-6 cells
1-3 cells
1-3 cells
FSMF+FBBA/C
-
-
1-12 cells
1-12 cells
1-6 cells
1-6 cells
FSMF+2xFBBC (or+1xFBBA+1x FBBC)
-
-
1-18 cells
1-18 cells
1-9 cells
1-9 cells
FSMF
Table 63
FDD-LTE 16 System Module capability (4x2 DL MIMO and IRC 4Rx configuration)
Number of supported cells per SM (assuming 4x2 DL MIMO and IRC 4Rx)
1,4 MHz
3 MHz
5 MHz
10 MHz
15 MHz
20 MHz
FSMF
-
-
1-3 cells
1-3 cells
-
-
FSMF+FBBA/C
-
-
1-6 cells
1-6 cells
1-3 cells
1-3 cells
FSMF+2xFBBC
-
-
1-9 cells
1-9 cells
*)
*)
(or 1xFBBA+1xFBB C) *) configuration already supported with FSMF+FBBA/C
9.3 Peak L1 throughput Peak L1 throughput values confirm Flexi System Module as compliant with 3GPP Release 8. Refer to the tables below for the maximum Transport Block Sizes, which can be set for 2x2MIMO (dual-stream transmission) with all available frequency resources.
Issue: 08
DN0951769
121
Baseband dimensioning
LTE Radio Dimensioning Guideline
Table 64
DL peak L1 throughput
Release and max supported MCS index RL10 (MCS28)
5 MHz
10 MHz
15 MHz
20 MHz
37
75
---
150
RL20 (MCS28)
110
RL30 (MCS28) RL40 (MCS28) RL15TD (MCS28)
---
40.3 (2DL:2UL) 54.99 (3DL:1UL)
RL25TD (MCS28)
Table 65
---
82.3 (2DL:2UL) 112.47 (3DL:1 UL)
UL peak L1 throughput
Release and max supported MCS index RL10 (MCS20)
5 MHz
10 MHz
15 MHz
20 MHz
10.68
21.38
---
43.82
RL20 (MCS20) RL30 (MCS24)
32.86 13.54
27.38
40.58
55.06
---
8.6 (2DL:2UL)
17.5 (2DL:2UL)
4.3 (3DL:1UL)
8.8 (3DL:1UL)
10.95 (2DL:2UL)
22.02 (2DL:2UL)
RL40 (MCS24) RL15TD (MCS20)
RL25TD (MCS24)
---
11.01 (3DL:1UL)
5.48 (3DL:1UL)
122
DN0951769
Issue: 08
LTE Radio Dimensioning Guideline
Table 66
Baseband dimensioning
UL peak L1 throughput (PUSCH only; limited by PUCCH, PRACH)
Release and max supported MCS index
5 MHz
10 MHz
15 MHz
20 MHz
8.5
19.1
---
43.82
(20 PRBs)
(45 PRBs)
RL10 (MCS20)
RL20 (MCS20)
20.6
30.6
(48 PRBs)
(72 PRBs)
10.7
25.7
39.2
51.0
(20 PBRs)
(48 PBRs)
(72 PBRs)
(96 PBRs)
---
7.9 (2DL:2UL)
---
16.1 (2DL:2UL)
RL30 (MCS24) RL40 (MCS24) RL15TD (MCS20)
RL25TD (MCS24)
3.8 (3DL:1UL)
8.0 (3DL:1UL)
9.8 (2DL:2UL)
20.2 (2DL:2UL)
4.7 (3DL:1UL)
10 (3DL:1UL)
3GPP Release 8 specifies QPSK, 16QAM and 64QAM for PUSCH. In RL30/RL25TD there is no support for 64QAM transmission however it is possible to extend MCS range for 16QAM from MCS index 20 to 24. Flexi Rel.2 and Rel.3 are fully capable of handling the largest possible Transport Blocks. It means that the HW architecture (processing power of DSP boards) does not limit peak data rates.
9.4 Supported cell range Maximum cell range is physically limited by supported RA preamble formats which are listed below. Table 67