Flexi Multiradio 10 BTS Dimensioning Share

RU40 Flexi Multiradio 10 BTS - Baseband dimensioning rules

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Flexi 10 BTS general architecture

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Flexi Multiradio BTS 10 Baseband (1/2) Core System Module and Capacity Expansion submodules Flexi Multiradio BTS 10 – Core System Modules and Extension submodules

Master Core System Module (FSMF)

Optional Extension Subunit FBBA

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Flexi Multiradio BTS 10 Baseband (2/2) Subunits • •

Flexi Multiradio 10 BTS Baseband (FSMF, FBBA) consists of certain amount of processing subunits Subunit can provide processing of:

1. CCCH processing 2. HSDPA processing resources (HSDPA scheduler) 3. HSUPA processing resources (HSUPA users and throughput). 4. R99 processing resources (Rel99 CE) 1 subunit

HSDPA Scheduler HSDPA scheduler Rel99 CE

Exemplary figure

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Rel99 CE

Rel99 CE HSUPA thr., users

HSUPA thr., users

CCCH

CCCH

Flexi 10 BTS capacity

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System Module rel.3 capacity(1/3) System Module Rel.3 capacity - number of subunits

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Available capacity of System Module rel.3 does not depend on number of commissioned cells. Table below presents number of available subunits for traffic use (or CCCH / interference cancellation processing if needed)

Number of cells 1-3 4–6

7–9 10 – 12

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6

FSMF 5,5

Table assumes 10km cell range and 2way Rx Div

5 + 0,5

Available resources (subunits) can be used for CCCH processing, HSDPA schedulers processing, HSUPA users and thr. processing, R99 users processing Please note that each System Module rel.3 contains CCCH processing resources required for ‘Basic Configurations’ (e.g. 6 cells/10km or 3cells/20km – 2way Rx Div) included in the System Module rel.3 capacity

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System Module rel.3 capacity(2/3) System Module Rel.3 capacity - number of subunits

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One type of Extension submodule available: FBBA Extension submodule are used to extend System Module capacity Up to 2 Extension submodules can be used to extend capacity of single System Module rel.3

Expansion Submodule

Available Subunits

FBBA

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2x Capacity expansion submodule (FBBA)

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System Module rel.3 baseband capacity(3/3) System Module Rel.3 capacity – max HSPA thr.

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Table below presents the maximum HSDPA throughput for different combinations of Core System Module / Extension Submodules

Core System Module

FSMF

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Expansion Submodule

Max HSDPA thr [Mbps]

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756

FBBA

1512

FBBA +FBBA

2268

BTS Configurations

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LCG Configuration LCG configuration types System Module rel.3 LCG configuration

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System Module rel.3 might be commissioned to one out of the four configurations:

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Rel99 only

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Small HSPA configuration

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Support of UMTS Rel.99 services, no support for HSPA

Providing HSPA processing up to 6 HSPA cells (one HSDPA and HSUPA scheduler)

Normal HSPA configuration

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Providing HSPA processing up to12 HSPA cells (two HSDPA and one HSUPA scheduler)

The configuration is commissioned per Local Cell Group (LCG)

Note that LCG commissioning is optional. By default Normal HSPA configuration is assumed

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Note that HSDPA and HSUPA schedulers are LCG specific

LCG Configurations

LCG configuration types – Rel99 only System Module rel.3 LCG configuration – Rel99 only

Number of cells

Core System Module

1-6 cells FSMF 7-12 cells

Expansion Submodule

#R99Subunits

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5½

FBBA

11½

FBBA +FBBA

17½

-

5 + ½*

FBBA

11 + ½*

FBBA +FBBA

17 + ½*

Table assumes 10km cell range and 2way Rx Div

* Additional baseband resources for CCCH processing needed if one System Module and more than 6 cells/10km cell range/2way Rx div.

One subunit provides 96 Rel.99 CE R99 bearers have the same Rel.99 CE consumptions as in RU30 with System Module rel.2

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Note that 1x CCCH Processing Set license for more than 6 cells/10km are required (CCCH)

LCG Configurations

LCG configuration types – Small HSPA System Module rel.3 LCG configuration – Small HSPA

CCCH included in SM rel.3 capacity

CCCH baseband resources (CCCH pools) for additional 6 cells available with Small HSPA configuration but additional CCCH Processing Set license is required

Number of cells

FSMF

FSMF+ FBBA

FSMF + 2xFBBA

1-6 cells

4 7/8 SU

10 7/8 SU

16 7/8 SU

7-12 cells

4 7/8 SU

10 7/8 SU

16 7/8 SU

Small HSPA configuration – one HSDPA and one HSUPA scheduler available supporting up to 6 HSPA cells

One HSDPA scheduler supports:

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up to 6 HSPA cells Up to 240 active users Up to 252 Mbps

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Table assumes 10km cell range and 2way Rx Div

One HSUPA scheduler supports:

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up to 12 HSPA cells Up to 240 active users

LCG Configurations

LCG configuration types – Normal HSPA System Module rel.3 LCG configuration – Normal HSPA

CCCH included in SM rel.3 capacity CCCH baseband resources (CCCH pools) for additional 6 cells available with Normal HSPA configuration but additional CCCH Processing Set license is required

Number of cells

FSMF

FSMF+ FBBA

FSMF + 2xFBBA

1-6 cells

4 3/8 SU

10 3/8 SU

16 3/8 SU

7-12 cells

4 3/8 SU

10 3/8 SU

16 3/8 SU

Normal HSPA configuration – two HSDPA and one HSUPA scheduler available supporting up to 12 HSPA cells

Two HSDPA scheduler supports:

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up to 12 HSPA cells Up to 2 x 240 active users

Up to 2 x 252 Mbps*

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Table assumes 10km cell range and 2way Rx Div

One HSUPA scheduler supports:

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up to 12 HSPA cells Up to 240 active users

HSDPA scheduler HSDPA scheduler details HSDPA scheduler

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HSDPA scheduler supports up to 6 cells, 240 active users and up to 252Mbps Comparing to System Modules rel.2, System Module rel.3 HSDPA scheduler does not consume any additional baseband resources to reach required throughput

Combined Maximum throughput for HSDPA schedulers located at System Module Rel.2

HSDPA baseband capacity reservation (number of subunits)

0 Mbps 42 Mbps 84 Mbps 126 Mbps 168 Mbps 210 Mbps 252 Mbps 294 Mbps 336 Mbps 378 Mbps 420Mbps 462 Mbps 504 Mbps

HSDPA schedulers not activated 2 2 3 3 4 4 5 5 6 6 7 7

Baseband resources required by HSDPA scheduler (System Module rel.2)

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Up to 252Mbps / scheduler 0Mbpsc apacity gain

Additional baseband resources not required by HSDPA scheduler (System Module rel.3)*

HSUPA

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HSUPA scheduler capacity Small HSPA and Normal HSPA configuration

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16

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HSUPA scheduler supports: 12 HSUPA cells Up to 240 HSUPA data Up to 12x11.5Mbps=138Mbps * (HSUPA 16QAM)

Small HSPA configuration (one HSDPA scheduler, one HSUPA scheduler) allows to reach: Up to 6 HSPA cells Up to 240 HSPA users

Normal HSPA configuration (two HSDPA schedulers, one HSUPA scheduler) allows to reach: Up to 12 HSPA cells Up to 240 HSPA data users

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* HSUPA throughput depends on available baseband resources

HSUPA Consumption •

Table below presents HSUPA subunits required for non-FDPCH 10ms TTI users HSUPA Subunits for non-FDPCH 10ms TTI UE in RU40

Number of HSUPA UEs per scheduler 1 2 3~4 5~6 7~8 9~10 11~12 13~14 15~16 17~18 19~20 21~22 23~24 25~26 27~28 29~30 31~32 33~34 35~36 37~38 39~40 41~44 45~48 49~52 53~56 57~60 61~64 65~68 69~72 73~76 77~80 81~100 101~120 121~160 160~200 17 201~240