Workshop - HSDPA

8/9/2019 Workshop - HSDPA

http://slidepdf.com/reader/full/workshop-hsdpa 1/42

1 © Nokia Siemens Networks /

HSDPA RRM



2 © Nokia Siemens Networks

Contents

• HSDPA Principle

• HSDPA Channel

• RU3 Capa!ilities

• HSDPA Power Allocation

• HSDPA Co"e Allocation




HSDPA Principles: Contents

• A"apti#e $o"%lation an" Co"in&

• $%lti Co"e 'peration

• Network $o"i(ications



) © Nokia Siemens Networks

Adaptive Modulation and Coding (1/2)

I

!!!!

!!1!

!!11

!!!1

1!!!

1!1!

1!11

1!!1

11!!

111!

1111

11!1

!1!!

!11!

!111

!1!1

1"AM#$%it &e'ing

PS&

2$%it &e'ing

I

(11)(!1)

(1!)(!!)

HSDPA uses• PS&• 1"AM

d'naicall' *ased on+ualit' o, t-e radio lin.


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Adaptive Modulation and Coding (2/2)

Rate

Matc-ing

Puncturing /

Repetition

Rate

Matc-ing

Puncturing /

Repetition

ur*o Coding1/0

ur*o Coding

1/0

,,ective

Code Rate:

1/# $ 0/#

HSDPA Adaptive Coding

• *ased on t-e R33 1/0 ur*o Coding

• Rate Matc-ing: Puncturing or Repetition

⇒ code rate: 1/" 4 #/#

• d'naicall' *ased on

+ualit' o, t-e radio lin.

HSDPA Adaptive Coding

• *ased on t-e R33 1/0 ur*o Coding

• Rate Matc-ing: Puncturing or Repetition

⇒ code rate: 1/" 4 #/#

• d'naicall' *ased on

+ualit' o, t-e radio lin.


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C1, - .1

C2,1 - .101

C2, - .11

C), - .1111

C),1 - .110101

C),2 - .101101

C),3 - .101011

C, - .11111111

C,1 - .111101010101

C,2 - .110101110101

C,3 - .110101010111

C,) - .101101101101

C,* - .101101011011

C,+ - .101011101011

C, - .101011011101

C1+, - .

C1+,1 - .

C1+,1* - .

C1+,1) - .

C1+,13 - .

C1+,12 - .

C1+,11 - .

C1+,1 - .

C1+,4 - .

C1+, - .

C1+,- .C1+,+ - .

C1+,* - .

C1+,) - .

C1+,3 - .

C1+,2 - .

S5 6 1 2 # 7 S5 6 1" 28" 812999

S5 6 1"

2#! .s'*/s

Multi$Code operation:

19918 codes

!92# 99 09" Ms'*/s

S5 6 1"

2#! .s'*/s

Multi$Code operation:

19918 codes

!92# 99 09" Ms'*/s

Multi Code peration (1/0)



© Nokia Siemens Networks


5 6678 6ransmission 6ime 7nter#al



© Nokia Siemens Networks


5 6678 6ransmission 6ime 7nter#al




;

R<CIu*

<ode%

;u

R e d u c e d

r e t r a

n s

) i s s i o n

R e d u c e d

r e t r a

n s

) i s s i o n

R<C:

H= > S=$

odi,ications

R<C:

H= > S=$

odi,ications?ore intelligence@

S= odi,ications

ne ;s

(H= > S=)

ne ;s

(H= > S=)

<etor. Modi,ications

;RA< and ;

• odi,ied PHB la'er

• odi,ied MAC

• odi,ied transport andp-'sical c-annels

• odi,ied coding

• odi,ied odulation

HSDPA: ,unctionalities s-i,ted ,ro

R<C to <ode %

• Ac.noledged transission (H$AR)

,aster retransission / reduced dela's

less Iu* tra,,ic

• ; pac.et sc-eduling

,ast ; resource allocation

,ast lin. adaptation ,or AMC

copensation o, ,ast ,ading (it-out ,ast PC )




HSDPA C-annels: Contents

• Ph9sical Channels• Ph9sical Channel '#er#iew

• HS0PDSCH

• HS0DCCH

• Associate" D: DPDCH

• HS0DPCCH

• Associate" U: DPDCH




P-'sical C-annel vervie




HS$PDSCH (1/2)

• HS$PDSCH: Hig-$Speed P-'sical Donlin. S-ared C-annel

• rans,er o, actual HSDPA data

• 8$18 code c-annels

• PS& or 1"AM odulation

• Divided into 2 s Is

• 5iEed S51"

S56 1

S56 2

S56 #

S56 7

S561"

Eaple: Allocated ,or HS$DSCHallocated ,or ot-er c-annels




HS$PDSCH (2/2)• HS$PDSCH code set paraeter

• Speci,ies -et-er nu*er o, code c-annels reserved ,or HSDPA is ,iEed or

d'naicall' adFusta*le *' t-e netor.

• Miniu 8 code c-annels• MaEiu 18 codes c-annels

• Possi*le nu*ers o, code c-annels ena*led / disa*led *it ise

HS$PDSCH code set

HSPDSCHCodeSet (=C) ($) ($) (8 codes)

Eaples

!!!!! !!!!! 1!!!!! 6 ala's 8 codes reserved (de,ault)

11!1! 1!1!! 1!!!!! 6 nu*er o, reserved codes adFusta*le (8 7 1! 12 1# or 18 codes

recoended)

!$# codes ala's disa*led11$18 codes

"$1! codes



1) © Nokia Siemens Networks

HS$SCCH

• HS$SCCH: Hig-$Speed S-ared Control C-annel

• 1 Control Data ,or ;G in,ors t-e ; -o to decode t-e neEt HS$PDSCH ,rae

e& U; 7"entit9, Channelisation Co"e Set, $o"%lation Scheme, 6<S, H0AR= process in(ormation

• 5iEed S5127

• <o.ia ipleentation it- slo poer control: s-ares D poer it- t-e HS$PDSCH

• More t-an 1 HS$SCCH re+uired -en code ultipleEing is used

%S: ransport %loc. Sie

• Code ultipleEing

• HSDPA service ,or several userssiultaneousl'

• 5or eac- user individual HS$SCCHre+uired

• availa*le onl' i, 8 codes can *ereserved ,or HS$PDSCH

S51"

HS$PDSCH

ie

;ser 1 ;ser 2 ;ser 0 ;ser #

Su*,rae

2 s

8

1!

18

MaEiu nu*er o, HS$SCCH codes

MaE<*r,HSSCCHCodes (=C) (1990) ( 6 1) (1)



1* © Nokia Siemens Networks

HS$DPCCH

• HS$DPCCH: Hig-$Speed Dedicated P-'sical Control C-annel

• MAC$-s Ac./<ac. in,oration (send -en data received)

• C-annel ualit' In,oration (CI reports send ever' #s -ardcoded period)• 5iEed S5 28"

HAR$AC&

(1! *it)

1 Slot 6 28"! c-ip 2 Slots 6 812! c-ip

Su*,rae J ! Su*,rae J i Su*,rae J <

1 HS$DPCCH Su*,rae 6 2s

CI (2! *it)

C-annel ualit' Indication



1+ © Nokia Siemens Networks

HS$DPCCH > CI




Associated DPDCH (D > ;)




R;0! Capa*ilities: Contents

• S%mmar9

• >eat%re Acti#ation




Suar'




5eature Activation













%asics o, HSDPA Poer Allocation: Contents




%asics o, HSDPA Poer Allocation: Contents

• Static HS0PDSCH Power Allocation

• D9namic HS0PDSCH Power Allocation

Static HS PDSCH Poer Allocation (1/#)




Static HS$PDSCH Poer Allocation (1/#)

• Re+uired paraeter settings ? D'naic HS$PDSCH poer allocation disa*led

? @5iEedK HS$PDSCH poer de,ined it- PtEMaEHSDPA

• Slo adFustent o, HS$PDSCH poer PHS$PDSCH due to HS$SCCH poerconsuption

? otal HSDPA poer PHS$PDSCH L PHS$SCCH c-ec.ed against PtEMaEHSDPA

? I, t-res-old eEceeded PHS$PDSCH reduced *' -ardcoded step

? I, total HSDPA poer *elo PtEMaEHSDPA $ 2 d% PHS$PDSCH increased *' -ardcoded step

• Recoendations ? I, 2! = carrier s-ared *' R33 and HSDPA users no ,urt-er gain ,or total t-roug-put *e'ond

PtEMaEHSDPA 6 " =

? I, carrier dedicated to HSDPA users onl' PtEMaEHSDPA can *e set to aEiu cell poer

MaEiu alloed HSDPA poer PtEMaEHSDPA (=C) (!998! d%) (

6 !91 d%) (#0 d%)






• Re+uired paraeter settings

? Hig-er priorit' ,or HSDPA or R33 <R users in case o, -ig- load it- HSDPAPriorit'

(setta*le on R<C level onl')

? Modi,ied load target ,or R33 it- PtEargetHSDPA (set a*solutel' in d%)

? PtEMaEHSDPA and PtEargetHSDPA s-ould *e set in suc- a a' so t-at

? MaEiu cell poer $ PtEargetHSDPA PtEMaEHSDPA

? t-erise t-e ,orer liits t-e HSDPA poer

? Modi,ied overload t-res-old ,or R33 it- PtE,,setHSDPA (set relative to

PtEargetHSDPA in d%)

? All t-ese paraeters are ignored *' d'naic HS$PDSCH poer allocation

HSDPA priorit'

HSDPAPriorit' (R<C) (1992) (

6 1) (1 6 -ig-er priorit' ,or HSDPA)

arget ,or transitted non$HSDPA poer

PtEargetHSDPA (=C) ($1!998! d%) (

6 !91 d%) (0798 d%)

,,set ,or transitted non$HSDPA poer

PtE,,setHSDPA (=C) (!99" d%) (

6 !91 d%) (!97 d%)






• Rules ,or HSDPAPriorit' 6 1 (-ig-er priorit' ,or HSDPA)

? A: 1st HSDPA users enters cell

<on controlla*le tra,,ic PtE<C PtEargetHSDPA Can -ave HSDPA

t-erise can -ave R33 onl'

? HSDPA alread' active

R33 sc-eduled up to PtEargetHSDPA

? %: verload ,or total R33 tra,,ic PtEnonHSDPA odi,ied overload t-res-old

Standard R33 overload actions

? C: verload ,or non controlla*le tra,,ic PtE<C odi,ied overload t-res-old

HSDPA released

MaE poer <ode % E poer

A

PtE,,setHSDPAPtEnonHSDPA

PtE<C

PtEargetHSDPA

%

PtEtotal

PtEarget

C

Static HS$PDSCH Poer Allocation (#/#)




Static HS$PDSCH Poer Allocation (#/#)

• Rules ,or HSDPAPriorit' 6 2 (-ig-er priorit' ,or R33)

? A: 1st HSDPA users enters cell

otal R33 tra,,ic PtEnonHSDPA PtEargetHSDPA Can -ave HSDPA

t-erise can -ave R33 onl'

? HSDPA alread' active

R33 sc-eduled up to PtEargetHSDPA

? %: verload ,or total R33 tra,,ic PtEnonHSDPA odi,ied overload t-res-old

HSDPA released

? C: Standard overload ,or total R33 tra,,ic PtEnonHSDPA standard overload t-res-old

Standard R33 overload actions

MaE poer

<ode$% E poer

PtE,,setHSDPA

PtEnonHSDPA

PtE<C

PtEargetHSDPA

PtEtotal

PtEarget

PtE,,set

A % C

D'naic HS$PDSCH Poer Allocation (1/N)





• static poer allocation d'naic poer allocation

• PHSDPA PtEMaEHSDPA PHSDPA in(PtEMaEHSDPA PtECellMaE)$ poer allocated

to R33 DCH and D control c-annels

• 5iEed load target PtEargetHSDPA D'naicall' adFusted load target PtEargetPS

• 5iEed overload t-res-old ,or R33 verload t-res-old ,or R33 goes parallel to load target

PtEargetHSDPA L PtE,,setHSDPA PtEargetPS L PtE,,set

• In case o, overload HSDPA ig-t *e In case o, overload HSDPA poer ig-t *e reduced

released iediatel' *ut usuall' service not released iediatel'• Priorities distinguis- *eteen R33 and Priorities distinguis- *eteen interactive and

HSDPA users onl' *ac.ground users as ell

MaEiu alloed HSDPA poer

PtEMaEHSDPA (=C) (!998! d%) (

6 !91 d%) (#0 d%)

arget ,or transitted non$HSDPA poer PtEargetHSDPA (=C) ($1!998! d%) (

6 !91 d%) (0798 d%)

,,set ,or transitted non$HSDPA poer

PtE,,setHSDPA (=C) (!99" d%) (

6 !91 d%) (!97 d%)

HSDPA D'naic Resource Allocation

HSDPAD'naicResourceAllocation (R<C)

(!991) (

6 1) (! 6 disa*led)

Cell aEiu transission poer

PtECellMaE (=C) (!998! d%) ( 6 !91 d%) (#0 d%)

,,set ,or transitted poer

PtE,,set (=C) (!99" d%) (

6 !91 d%) (1 d%)





• %S a' allocate all unused D poer up to aEiu cell poer

• All poer availa*le a,ter DCH tra,,ic HS;PA control and coon c-annels can *eused ,or HSDPA

PtE<C

PtE<R

PtEHSDPA

PtEMaE 6 in (PtECellMaE MaEDPoerCapa*ilit')

PtE<onHSDPA






D'naic HS PDSCH Poer Allocation (0/N)

<o active HSDPA users

• <R DCH sc-eduling to PtEarget L PtE,,set

• R DCH adission to PtEarget

Active HSDPA users

• <R DCH sc-eduling to PtEargetPS

• R DCH adission to PtEarget

HSDPA active<o HSDPA users <o HSDPA users

PtxTarget + PtxOffset

PtxMax

PtEargetPS

PtE<C

PtE<R

PtEHSDPA

1

2

0

PtE<onHSDPA

PtEotal

D'naic HS$PDSCH Poer Allocation (#/N)




D'naic HS PDSCH Poer Allocation (#/N)

D'naic load target

• AdFusta*le load target PtEargetPS

• PtEargetPSMin (iniu value)• PtEargetPSMaE (aEiu value also initial value)

Ideal load target

• stiated *' R<C in dependence on

• <on controlla*le tra,,ic

• <R DCH tra,,ic (including eig-ts o, individual services)• <R HSDPA tra,,ic (including eig-ts o, individual services)

Min DCH PS target ,or d'naic HSDPA pr allocation

PtEargetPSMin (=C) ($1!998! d%) (

6 !91 d%) (0" d%)

MaE DCH PS target ,or d'naic HSDPA pr allocation

PtEargetPSMaE (=C) ($1!998! d%) (

6 !91 d%) (#! d%)





D'naic HS PDSCH Poer Allocation (8/N)

=eig-ts o, individual services

• Can *e set individuall' ,or eac- release

? R33 (structured paraeter =eig-tDCH)

? HSPA (structured paraeter =eig-tHSPA)

• Can *e set individuall' ,or eac- tra,,ic class

? Interactive HP1 HP2 HP0

? %ac.ground

• In case o, ulti$RA% t-e average eig-t o, t-e individual RA%s is ta.en ,or t-at user

Structured paraeter =eig-tDCH=eig-t o, <R DCH ; %O RA%

=eig-tDCH%O (R<C) (!91!!) ( 6 1) (18)

=eig-t o, <R DCH ; HP1/2/0 RA%

=eig-tDCHHP1/2/0 (R<C) (!91!!) ( 6 1)

(3!/"8/#!)

Structured paraeter =eig-tHSPA

=eig-t o, HSPA ; %O RA%=eig-tHSPA%O (R<C) (1991!!) (1) (28)

=eig-t o, HSPA ; HP1/2/0 RA%

=eig-tHSPAHP1/2/0 (R<C) (!91!!) (

6 1)

(1!!/N8/8!)

1*2*<ack&ro%n"

)*7nteracti#e

6HP3

+**7nteracti#e6HP2

417nteracti#e6HP1

DCH wei&ht#al%e @1

HSDPA wei&ht#al%e @1

ra,,ic Class

D'naic HS$PDSCH Poer Allocation ("/N)




PtEMaE #0 d%

PtEargetPS

PtE<C

PtE<R

PtEHSDPA

1

2

PtE<onHSDPA

PtEotalPtEHig-HSDPAPr

#1 d%

Ideal PtEargetPS

PtEargetPSMaE#! d%

PtEargetPSMin

0" d%

D'naic HS PDSCH Poer Allocation ("/N)

1) HSDPA poer congestion i, PtEtotal PtEHig-HSDPAPr

Decrease PtEargetPS *' 1 d% (i, a*ove ideal value) *ut not *elo iniu value (0" d%)

Hig- t-res-old o, PtEotal ,or d'naic HSDPA pr alloc

PtEHig-HSDPAPr (=C) ($1!998! d%) ( 6 !91 d%) (#1 d%)

D'naic HS$PDSCH Poer Allocation (N/N)




PtEargetPSMin

0" d%

2) <R DCH poer congestion i, PtE<onHSDPA PtEargetPS $ 1d% (-ardcoded argin)

Increase PtEargetPS *' 1 d% (i, *elo ideal value) *ut not a*ove aEiu value (#! d%)

PtEMaE #0 d%

PtEargetPS

PtE<C

PtE<R

PtEHSDPA

1

2

PtE<onHSDPA

PtEotalPtEHig-HSDPAPr

#1 d%

PtEargetPSMaE#! d%

' ( )

Ideal PtEargetPS

%asics o, HSDPA Code Allocation: Contents




• Static an" D9namic Allocation

• D9namic Allocation Proce"%re

Static and D'naic Allocation (1/2)




' ( )

HSPDSCHCodeSet11!1! 1!1!! 1!!!!!

HSPDSCHCodeSet!!!!! 1!1!! 1!!!!!

HSPDSCHCodeSet!!!!! !!!!! 1!!!!!

Additionall' re+uired

HSDPAD'naicResourceAllocation 6 ena*led

<u*er o, HS$

PDSCH codes (,ull

set)

HSDPA

18

Codes

HSDPA

1!

Codes

Static

code

allocation

8 Q Q Q

" $ $ $

N $ $ $

7 Q Q $

3 $ $ $

1! Q Q $

11 $ $ $

12 Q $ $

10 $ $ $

1# Q $ $

18 Q $ $

Static and D'naic Allocation (2/2)




' ( )

D'naic code allocation applied i,

• HSDPA d'naic resource allocation

ena*led(HSDPAD'naicResourceAllocation)

• MaEiu nu*er o, codes iniunu*er (HSPDSCHCodeSet)

• %S capa*le o, 1!/18 codes

• <ote t-at HSDPA service starts it-iniu nu*er o, codes de,ined *'

HSPDSCHCodeSet

I, HSDPA d'naic resourceallocation disa*led 8 codes areavaila*le onl'

SF=8

SF=4

SF=2

SF=1

SF=16

1514131211109876543210

HS-PDSCH

………. ……….

SF=8

SF=4

SF=2

SF=1

SF=16

1514131211109876543210

HS-PDSCHRel-99 channels(& HS-SCCH)

Rel-99 code area (& HS-SCCH)

Shared code area

DedicatedHS-PDSCHcode area

SF=8

SF=4

SF=2

SF=1

SF=16

1514131211109876543210

HS-PDSCH

………. ……….

SF=8

SF=4

SF=2

SF=1

SF=16

1514131211109876543210

HS-PDSCHRel-99 channels(& HS-SCCH)

Rel-99 code area (& HS-SCCH)

Shared code area

DedicatedHS-PDSCHcode area

D'naic Allocation Procedure (1/2)



) © Nokia Siemens Networks

Periodic upgrade

• R<C attepts periodic upgrade i,

• <u*er o, currentl' allocated HS$PDSCH codes aEiu alloed nu*er

• Supported *' %S capa*ilit'

• 5ree S5 1" codes adFacent to currentl' allocated ones availa*le

• A,ter upgrade still enoug- S5 127 codes availa*le (t-res-old HSPDSCHMarginS5127 setta*le *'operator de,ault 7 S5 127 codes restricts HSDPA to 1# codes)

• I, all conditions are ,ul,illed t-e neEt greater value ,ro t-e HS$PDSCH code set is ta.en

Periodic dongrade

• R<C attepts periodic dongrade i,

• <u*er o, currentl' allocated HS$PDSCH codes iniu alloed nu*er

• <ot enoug- S5 127 codes availa*le (sae t-res-old HSPDSCHMarginS5127 as entioned a*ove)

• I, all condition ,ul,illed t-e neEt loer value ,ro t-e HS$PDSCH code set is ta.en

HSPDSCHMarginS5127 6 7

< u ) * e r o , r e s

e r v e d

S 5 1 2 7 c o d e s

127

12!

tie

Here periodic dongrade

<o periodic upgrade

D'naic Allocation Procedure (2/2)



)1 © Nokia Siemens Networks

• Code congestion events

• R re+uest congested due to lac. o, code HS$PDSCH dongrade in an' case

• <R re+uest congested due to lac. o, code HS$PDSCH dongrade onl' i, actuall' ,or HSDPA toouc- S5 1" codes in use

(t-res-old DPCHverHSPDSCH-res-old setta*le *' operator relative to t-e aEiu nu*er o,codes de,ault 8 S5 1" codes)

• iitations o, congestion triggered dongrade

• <ot *elo iniu alloed nu*er o, HS$PDSCH codes

• Hig-est still possi*le nu*er o, codes according HSPDSCHCodeSet is ta.en

< u ) * e r o , a

l l o c a t e d S 5 1 " c o d e s

DPCHverHSPDSCH-res-old

"

N

7

3

1!

11

12

10

1#

18

8

tie

Here dongrade i, R33 <R re+uest

reFected due to code congestion

Code ree



)2 © Nokia Siemens Networks

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Workshop - HSDPA