Ultra CE in RAS061

1 © Nokia Siemens Networks Presentation / Author / DateFor internal use

Ultra Baseband Dimensioning


CCCH dimensioning


Base Band CE requirements for CCCH

# cells/BTS CE required for CCCHUltrasite

(WSPC) Flexi1…3 16 264…6 32 527…9 48 RU10

10…12 64 RU10

Flexi vs. Ultra CCCH consumption


DCH (R99) dimensioning


WCDMA BTS Base Band CE requirements for R99 users

Note: Soft HOs not included in calculations, Soft HO user is seen as normal user on other BTS

Ultra / Flexi Rel1 HW (FSMB)

User data CE UL/min SF

CE DL/min SF

AMR (voice) 1) 1/ SF64 1/ SF128

WB-AMR 2) 1 / SF64 1 / SF128

PS 16 kbps 1 / SF64 1 / SF128

PS 32 kbps 2 / SF32 2 / SF64

PS 64 kbps 4 / SF16 4 / SF32

PS 128 kbps 4 / SF8 4 / SF16

PS 256 kbps 8 / SF4 8 / SF8

PS 384 kbps 16 / SF4 16 / SF8

CS 64 kbps 4 / SF16 4 / SF32

CS 57.6 kbps 4 / SF16 4 / SF32

CS 14.4 kbps 1 / SF64 1 / SF128

1) AMR codecs 12.2, 7.95 and 5.90 and 4.75 kbps supported

2) WB-AMR codecs 12.65, 8.85 and 6.6 kbps supported


WCDMA Ultra BTS Example Base Band Capacity for R99

Note: Soft HOs not included in calculations

User data CE requiredBB Processing Capacity

3 WSPC (RAS06)192 CE, 16 CE for CCH

BB Processing Capacity6 WSPC (RAS06)

384 CE, 16 CE for CCH

16kbps/ voice 1 176 368

32kbps 2 88 184

64kbps 4 44 92

128kbps 4 44 92

256kbps (DL) 8 22 46

384kbps 16 11 23

• 1+1+1,common channels included in calculations

• Max.# CE licensed

• Max. # of Simultaneous users on Ultra WCDMA BTS based on Baseband capacity, excluding Air and Iub Interfaces


Ultra WCDMA BTS Baseband CE requirements for HSDPA users in uplink (associated uplink channel)

• Note: Soft HOs not included in calculations

Ultra

User data CE UL/min SF

CE DL/min SF

PS 16 kbps 1 / SF64 *) 1 / SF128 **)

PS 64 kbps 4 / SF16 1 / SF128 **)

PS 128 kbps 4 / SF8 1 / SF128 **)

PS 384 kbps 16 / SF4 1 / SF128 **)

*) In case of SF is 32, then 2 CE is required in UL**) 1 CE for DL signaling is required per HSDPA user


HSDPA Dimensioning


Shared HSDPA Scheduler for Baseband EfficiencyRAS06

Peak rate of 10.8 Mbps is shared dynamically between sectors

Efficient utilization of resources since the peak rate of 10.8 Mbps is only seldom available in macro cells due to interference

3.6 Mbps

3.6 Mbps 10.8 Mbps

0 Mbps (no HSDPA mobiles)

7.2 Mbps

3.6 Mbps

0 Mbps (no HSDPA mobiles)

3.6 Mbps 0 Mbps (no HSDPA mobiles)

Throughput shared equally between all

sectors

HSDPA mobiles only in single

sector

Throughput shared between two

sectors

Instantaneous adaptation according to throughput per sector


RAS05.1: HSDPA BTS Configuration Options for Ultra

1. Basic HSDPA • QPSK/16 QAM• Max 5 codes per cell• 16 Users per BTS • Up to 3.6 Mbps per BTS• 32 CE from WSPC allocated to HSDPA

scheduler• 1 scheduler with 1-3 cells per BTS• Cells can be on different frequencies

(e.g.., 2-omni or in later SW releases 3-omni, 2+1)16 users

16 users16 users

8 users

4 users4 users

Example 1:

16 users per BTS1*32 CE

Example 2:

16 users per cell3*32 CE =96

2. 16 Users per cell

• Up to 3.6 Mbps per cell

• Max 5 codes per cell

• Each HSDPA cell requires 32 CE from WSPC if allocated to HSDPA

RAS05.1


RAS06: HSDPA BTS Configuration Options for Ultra

3. Shared HSDPA Scheduler for Baseband Efficiency

• Up to 10.8 Mbps per BTS

• Max 15 codes per cell, 45 codes for BTS

• Max 48 Users per BTS

• 64 CE from WSPC allocated per HSDPA scheduler

10 users

16 users22 users

Example 3: Shared HSDPA Scheduler for BB Efficiency1*64 CE

48 users

48 users48 users

Example 4:

48 Users per cell3*64CE =192

4. 48 Users per Cell• Up to 14.4 Mbps per cell (with code

multiplexing)

• Max 15 codes per cell

• 64 CE from WSPC allocated per HSDPA scheduler (=per cell)

RAS06


Maximum number of HSDPA schedulers simultaneouslyactive

* Usage of Tcell parameter required

Note that only one type of scheduler can be used in BTS at a time


WCDMA ULTRA BTS Base Band DimensioningExample for 1+1+1/ HSDPA activation

• Note that the table describes only BTS Baseband dimensioning. In practice also Iub, Air interface, etc has to be taken into account. Please see RAS dimensioning guide for more information.

• CEs required for associated HSDPA UL is not included in the table• Common Channels not included• 5 code phones assumed to be used in NW. Figures in (brackets) assumes 10 code phones

and figures in [brackets] assumes 15 code phones are used in NW

RAS06


HSUPA Baseband


HSUPA Channel Element dimensioning (Ultra)

Flexi BTS Combined minimum baseband L1 throughput of all users

Minimum Number of HSUPA UE per BTS 0 <1.4

Mbps 1.4 Mbps 2.8 Mbps 4.2 Mbps 5.6 Mbps 7 Mbps 8.4 Mbps

0 8 8 8 8 8 8 8 8

1 – 4 8 32 CE 32 CE 48 CE 64 CE 88 CE n/a n/a

5 – 8 8 32 CE 48 CE 48 CE 64 CE 88 CE 108 CE 128 CE

9 - 12 8 48 CE 48 CE 64 CE 64 CE 88 CE 108 CE 128 CE

13 - 16 8 48 CE 64 CE 88 CE 88 CE 88 CE 108 CE 128 CE

17 - 20 8 64 CE 64 CE 88 CE 108 CE 108 CE 108 CE 128 CE

21 - 24 8 64 CE 64 CE 88 CE 108 CE 128 CE 128 CE 128 CE

•Max. 2 WSPC can be allocated to HSUPA

•Amount of Channel Elements (CEs) allocated to get certain combined (of all UEs) BTS baseband L1 throughput vs. certain number of UEs:

Note! Step1: 32 CE includes 8 CE fixed reservation


HSUPA combined minimum baseband throughput

Flexi BTS Combined minimum baseband L1 throughput of all users

Minimum Number of HSUPA UE per BTS 0 <1.4 Mbps 1.4 Mbps 2.8 Mbps 4.2 Mbps 5.6 Mbps 7 Mbps 8.4 Mbps

0 0 0 0 0 0 0 0 0

1 – 4 0 1 1 2 3 4 n/a n/a

5 – 8 0 1 2 2 3 4 5 6

9 - 12 0 2 2 3 3 4 5 6

13 - 16 0 2 3 4 4 4 5 6

17 - 20 0 3 3 4 5 5 5 6

21 - 24 0 3 3 4 5 6 6 6

• Number of HSUPA resource steps allocated to get certain combined BTS baseband L1 throughput with certain number of UEs:

• Example: to get 4.2 Mbps combined (of all UEs) L1 throughput with 12 users, 3 HSUPA resource steps are needed i.e. Resource steps 1-3 (32 CE + 16 CE + 16 CE = 64 CE)• UEs Peak Throughput depends on how many simultaneous UEs there is in each HSUPA resource step at a time:

• 1-2 UEs in one HSUPA resource step: 2 Mbps peak rate per UE

• 3-4 UEs in one HSUPA resource step: 1.4 Mbps peak rate per UE

• 5-8 UEs in one HSUPA resource step: 384 kbps - <1.4 Mbps peak rate per UE

Ultra CE in RAS061

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