Owo127020 Wcdma Hsupa Ran15 Rrm and Parameters Issue 1.00

7/23/2019 Owo127020 Wcdma Hsupa Ran15 Rrm and Parameters Issue 1.00

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WCDMA HSUPA RRM an

d Parameters



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Contents

1. HSUPA Bearer Mapping

2. Channel Switching

3. HSUPA Fast Scheduling

4. HSUPA Dynamic C Management

5. Uplin! Macro Di"ersity #ntelligent Recei"ing

6. HSUPA Adapti"e Retransmission

7. HSUPA Power Resource Management



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HSUPA Bearer Mapping

CNDomain

Service Type Can BeCarriedon E-DCH?

Optional Feature?

– Signaling(SRB)

Yes Yes

CS

Voice Yes Yes

Videophone o o

S!"eaming o o

PS

#on$e"sa!ional Yes Yes

S!"eaming Yes Yes

%n!e"ac!i$e Yes o

Bac&g"ound Yes o

%'S signaling Yes Yes



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SRB o"er HSUPA

#$ the channel type Sig hl%yp is set to DCH& then Sr' hl%ype is setto HSUPA or HSPA ( Sr' hl%ypeRrc$$ectFlag is set to %RU )



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SRB o"er HSUPA *cont+,

#$ Sr' hl%ype is set to HSUPA or HSPA ( Sr' hl%ypeRrc$ $ectF l

ag is set to FA-S )



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Related Parameters

Parameter D De!cription

SrbChlType pe o* channel !ha! p"e*e"a+l ca""ies !hesignaling RB., -#/ Bo!h uplin& and downlin& a"e p"e*e"a+lca""ied on -#., S-01/ plin& is p"e*e"a+l ca""ied on -#

and downlin& is p"e*e"a+l ca""ied on S,-S#., S01/ plin& is p"e*e"a+l ca""ied on ,-#and downlin& is p"e*e"a+l ca""ied on -#., S01/ plin& is p"e*e"a+l ca""ied on ,-#and downlin& is p"e*e"a+l ca""ied on S,-S#.

SrbChlTypeRrc

EfectFlag

he!he" !he congu"ed !pe o* channel !ha!

p"e*e"a+l ca""ies !he signaling RB is eec!i$e in!he case o* RR# connec!ion es!a+lishmen!



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Mapping B %ra$$ic onto HSUPA

During ser"ice setup procedure U- PS interacti"e and 'ac!ground ser"ices *B ser"ice, can 'e mapped onto the CCH& DCH or.DCH 'ased on ma/imum ser"ice rate+



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Related Parameters

Parameter

D

De!cription

UlBeTrafDecThs

Ra!e !h"eshold *o" !he decision !o se! up a 0Sdomain +ac&g"ound8in!e"ac!i$e se"$ice on !he-# in !he uplin&. 9nl when !he -: se"$ice "a!eis highe" !han o" e;ual !o !his !h"eshold o" !he :se"$ice "a!e is highe" !han o" e;ual !o !he uplin&!h"eshold !he se"$ice will +e se! up on -#.9!he"wise !he se"$ice is se! up on ##. 1cco"ding!o !he specica!ions onl !he+ac&g"ound8in!e"ac!i$e se"$ices whose "a!e islowe" !han <6 &+i!8s can +e ca""ied on !he ##. he"e*o"e !his pa"ame!e" can onl +e se! !o <6&+i!8s o" = &+i!8s.

UlBeTrafThsOnHsupa

Ra!e !h"eshold *o" decision !o use -# !o ca""0S +ac&g"ound8in!e"ac!i$e se"$ices. hen !hema>imum : "a!e is highe" !han o" e;ual !o !his!h"eshold !he se"$ice will +e ca""ied on -#.

9!he"wise i! will +e ca""ied on -#.




Mapping CS "oice onto HSUPA

CS speech "oice may 'e mapped onto the DCH& HS.DSCH& or .DCH #$ S0oice hl%ype 1 D H

Both uplin! and downlin! are mapped onto DCH #$ S0oice hl%ype 1 HSPA

Uplin! is 'eared on .DCH& downlin! mapped onto HS.DSCH




Related Parameters

ParameterD

De!cription

CSVoiceChl Type

#hannel !pe o* #S $oice se"$ices.-# indica!es !ha! +o!h uplin& and downlin& a"ep"e*e"a+l ca""ied on -#.

S01 indica!es !ha! uplin& is p"e*e"a+l ca""ied on,-# and downlin& is p"e*e"a+l ca""ied on S,-S#.%n pa"!icula" +o!h uplin& and downlin& will +eca""ied on -# i* ei!he" uplin& canno! +e ca""iedon ,-# o" downlin& canno! +e ca""ied on S,

-S#.




Mapping 0o#P onto HSUPA

%he PS speech ser"ice *0o#P ser"ice, may 'e mapped onto the DCH& HS.DSCH& or .DCH

#$ 0oip hl%ype 1 D H

Both uplin! and downlin! are mapped onto DCH

#$ 0oip hl%ype 1 HSDPA

Uplin! is 'eared on DCH& downlin! mapped onto HS.DSCH

#$ 0oip hl%ype 1 HSPA

Uplin! is 'eared on .DCH& downlin! mapped onto HS.DSCH



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Related Parameters

ParameterD

De!cription

VoipChlTy pe

pe o* channel !ha! p"e*e"a+l ca""ies Vo%0 se"$ices. , -#/ Bo!h uplin& and downlin& a"e p"e*e"a+lca""ied on !he -#.

, S-01/ plin& is p"e*e"a+l ca""ied on !he -# anddownlin& is p"e*e"a+l ca""ied on !he S,-S#. , S01/ plin& is p"e*e"a+l ca""ied on !he ,-#and downlin& is p"e*e"a+l ca""ied on !he S,-S#.




Mapping PS Streaming Ser"ices onto HSUPA

#$ the $ollowing $actors are met& PS streaming ser"ices can 'e mapped onto HSUPA) %he cell supports HSUPA

2MAP3PS3S%RAM3453HSUPA3S #%CH is selected %he ma/imum D- ser"ice rate is higher than or e6ual to UlStr%hs4n

Hsupa



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Related Parameters


UlStrThsOnHsupa Ra!e !h"eshold *o" decision !o use,-# !o ca"" 0S s!"eamingse"$ices. hen !he ma>imum :

"a!e is highe" !han o" e;ual !o !his!h"eshold !he se"$ice will +eca""ied on ,-#. 9!he"wise i! will+e ca""ied on -#.

#$P%PS%ST&E$#%ON%HS'P$%S(TCH

Swi!ch *o" 0S s!"eaming se"$icemapping on!o S01



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Mapping #MS Signaling onto HSUPA

%he #MS signaling can 'e mapped on the DCH& HS.DSCH& or.DCH)

#$ #ms hl%ype 1 D H

Both uplin! and downlin! are mapped on DCH

#$ #ms hl%ype 1 HSDPA

Uplin! is mapped on DCH& downlin! mapped on HS.DSCH

#$ #ms hl%ype 1 HSPA

Uplin! is mapped onto .DCH& downlin! mapped on HS.DSCH



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Related Parameters

Parameter D

De!cription

IsChlTy pe

#hannel !pe o* %'S signaling. , -#/ Bo!h uplin& and downlin& a"e p"e*e"a+lca""ied on !he -#.

, S-01/ plin& is p"e*e"a+l ca""ied on !he -#and downlin& is p"e*e"a+l ca""ied on !he S,-S#. , S01/ plin& is p"e*e"a+l ca""ied on !he ,-#and downlin& is p"e*e"a+l ca""ied on !he S,-S#.



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Contents

<. HSUPA Bearer Mapping

). Channel Switching








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4"er"iew

A$ter HSUPA is introduced& the U can stay in a new RRC state& that is& C--3DCH *with .DCH,+ %hus& when 'oth the cell and the U

support the .DCH& the state transition o$ the U has two additi

onal types& that is& state transition 'etween C--3DCH *with .DC

H, and C--3FACH and state transition 'etween C--3DCH *with.DCH, and C--3DCH+




%rigger o$ Channel Switching

%he switching 'etween .DCH and FACH and the switching'etween .DCH and DCH can 'e triggered in the $ollowing cases) %ra$$ic "olume change U mo"ing -oad change




State %ransition Based on %ra$$ic 0olume

%ransition 'etween C--3FACH and C--3DCH *with .DCH,

CELL_DCH

(with E-DCH)CELL_FACH

low throughput

(monitored by RNC)

high trai! "olume

(#a e"ent report)




State %ransition Based on U Mo"ing

%ransition $rom C--3DCH *with .DCH, to C--3DCH *without .DCH,

U is mo"ing $rom HSUPA cell to R77 cell and the ser"ice is carried 'y

HSUPA+ #$ 'est cell changes& the ser"ice will 'e switched to DCH

Cell $ (H%&'A) Cell (R)

&E mo"ing dire!tion

* $D e"ent report i+

re!ei"ed by RNC, the

+er"i!e will bere!onigured to DCH




State %ransition Based on U Mo"ing *cont+,

%ransition $rom C--3DCH *without .DCH, to C--3DCH *with .DCH,)

U is mo"ing $rom R77 cell to HSUPA cell and the ser"ice is carried 'y

DCH+ #$ 'est cell changes and the ser"ice will 'e mapped onto HSUPA

& the ser"ice will 'e switched to HSUPA+

Cell $ (H%&'A)Cell (R)

&E mo"ing dire!tion

* $D e"ent report i+

re!ei"ed by RNC and the

!ondition or H%&'A

bearer i+ met, the +er"i!e

will be re!onigured to

E-DCH




State %ransition Based on -oad Change

When the system load *downlin! transmit power or uplin! inter$erence, e/ceeds the o"erload threshold& some HSUPA users may '

e switched to the C--3FACH state to reduce the system load and

ensure system sta'ility+ %his procedure is per$ormed 'y load con

trol algorithm in R5C+

CELL_DCH

(with E-DCH)CELL_FACH

high load




Contents

<.%ransport Channel Selection


*. HSUPA Fast Scheduling








4"er"iew %he ser"ice carried on the .DCH can 'e con$igured in two modes)

5on.schedul ing m ode)

Dedicated resource is reser"ed $or the ser"ic

e to support its ma/imum 'it rate *MBR,+ %hat is& the transmission rate is

the MBR i$ the ser"ice has enough tra$$ic "olume+ %his mode can guarant

ee the 8oS "ery well+ 5on.scheduling mode is generally applica'le to ser

"ices sensiti"e to delay or ser"ice with constant source rates& such as 0o#

P & CS o"er HSUPA+

Scheduling mod e ) %he a"aila'le ma/imum transmission rate is contr

olled 'y the HSUPA scheduler in the 5odeB and it can 'e ad9usted $re6ue

ntly 'y the HSUPA scheduler+ #$ the cell resource is enough& the ser"ice c

on$igured in scheduling mode can get a 'it rate in the range $rom the gu

aranteed 'it rate *:BR, to the MBR+ #$ the cell resource is congested& the'it rate is not higher than the :BR+ %he scheduling module is applica'le t

o ser"ices with "aria'le source rates& such as the interacti"e ser"ice and

'ac!ground ser"ices+




Selection o$ .DCH Ser"ice Scheduling Modes

Service Type Sc+edulin, #ode

S&B-e!e"mined + !he pa"ame!e"?U!SRBTrans"o#eOnHsupa@

#S-e!e"mined + !he pa"ame!e"

?U!I"STrans"o#eOnHsupa@CS !peec+!ervice

on,scheduling mode

PS !peec+!ervice

on,scheduling mode

PS !treamin, -e!e"mined + !he pa"ame!e"?U!StrTrans"o#eOnHsupa@

PS interactive scheduling mode

PS ac,round scheduling mode



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Related Parameters


UlI"STrans"o#eOnH

supa

,-# da!a !"ans*e" mode o* %'S signaling

se"$ices. %! is $alid onl when %'S signaling

se"$ices a"e mapped on!o !he ,-#.

UlSRBTrans"o#eOnHsupa

,-# da!a !"ans*e" mode o* SRBs. %! is $alidonl when SRBs a"e mapped on!o !he ,-#.

UlStrTrans"o#eOnHsupa

,-# da!a !"ans*e" mode o* s!"eamingse"$ices. %! is $alid onl when s!"eaming

se"$ices a"e mapped on!o !he ,-#.




Scheduling Procedure HSUPA scheduling consists o$ two su' modules)

coordination module and Uu resource scheduling module +

%he results o$ C scheduling& #u' $low control and MBR limitation

will a$$ect HSUPA scheduling+



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Procedure o$ Coordination Module




Related Parameters


"a$TargetUl!oa#Fa

ctor

he pa"ame!e" species !he !a"ge!

$alue o* !he uplin& load which is

dec"eased !h"ough S01 powe"con!"ol on !he odeB side.




Functions o$ the Uu Resource SchedulingModule

Scheduling 6ueuing) Allocate priorities $or HSUPA users in the cell

Uu resource allocation) Based on the scheduling 6ueuing result andthe Uu inter$ace load o$ each cell participating in scheduling& the Uu resource allocation module allocates Uu resources to users and sends the A:or R: to the users+



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Scheduling 8ueuing




Related Parameters

Parameter

D

De!cription

Ul%BR he uplin& gua"an!eed +i! "a!e o* B se"$ice

S&I Scheduling p"io"i! o* da!a *"ames on S,-S# o"-#. Value <5 indica!es !he highes! p"io"i! while$alue A indica!es !he lowes! p"io"i!

S&I'eight eigh!ing weigh! *o" se"$ice scheduling p"io"i!.

his weigh! is used in !wo algo"i!hms. %n scheduling

algo"i!hm i! is used !o adus! !he handling p"io"i!

*o" die"en! se"$ices. %n %u+ conges!ion algo"i!hm i!

is used !o alloca!e +andwid!h *o" die"en! se"$ices.%* !he weigh! is highe" i! is mo"e possi+le *o" !he

use" !o inc"ease !he handling p"io"i! o" ge! mo"e

%u+ +andwid!h



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:eneral Principle $or Scheduling 8ueuing



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Uu Resource Allocation

Based on the scheduling 6ueuing result and the Uu inter$ace load o$ each cell participating in scheduling& the Uu resource allocat

ion module allocates Uu resources to users and sends the A: or

R: to the users+



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Contents

<. %ransport Channel Selection



/. HSUPA Dynamic C Management






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4"er"iew

• Fi.ed CE re+our!e allo!ation ba+ed on ma.imum bit rate

• Low CE utili/ation ei!ien!y

Without

dynamic CE

management

• Dynami! CE re+our!e allo!ation ba+ed on the !ondition o CE

re+our!e+ and the !hange o u+er re0uirement

• High CE utili/ation ei!ien!y

With dynamic

CE management



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Comparison 'etween C Consumption with or without dynamic C Management




Rules $or Dynamic C Resource Allocation

When the rate o$ the ser"ice source decreases& the redundant Cresources are called 'ac!+

When there is a need to increase the ser"ice rate& C resources a

re reser"ed+

When there are insu$$icient a"aila'le C resources& C resourcesare allocated to users in the ser"ing R-S pre$erentially 'ecause t

he 8oS o$ users depends on the resource allocation o$ the ser"in

g cell+

When the a"aila'le C resources are insu$$icient to meet the re6

uirements o$ all the users in the ser"ing R-S& user priorities need

to 'e considered to pro"ide di$$erentiated ser"ices+




#mplementation o$ Dynamic C Management




Contents











4"er"iew #n the $igure& two HSUPA users are in so$t hando"er+ Suppose th

at 5odeB3; is ser"ing cell $or U3A and 5odeB3< is ser"ing cell $

or U3B+ %hen we consider that U3A is ser"ing user $or 5odeB3; while U3B is non.ser"ing user $or 5odeB3;+

#$ #u' resource or C resource is limited in 5odeB& the resourceallocated to non.ser"ing users will 'e reduced+




#u' Resource Allocation $or5on.Ser"ing R-s

%he #u' resources are allocated in the $ollowing ways) When the #u' resources are in the normal state& each user is allocate

d #u' resources uni$ormly+ When the #u' resources are in the congestion state& most resources

are allocated to ser"ing users

%his resource allocation policy ensures the ser"ice 6uality o$ ser"ing users pre$erentially& and it is applica'le only to B ser"ices




C Resource Allocation $or 5on.Ser"ing R-s

%his $eature depends on dynamic C resource allocation+ When dynamic C resource allocation is ena'led& this $eature ensures th

at the priorities o$ ser"ing R-s are always higher than the prioriti

es o$ non.ser"ing R-s+

When a ser"ing R- is esta'lished or added& the R- preempts the reso

urces allocated to non.ser"ing users pre$erentially i$ the idle resourc

es do not meet its re6uirement+ #$ the resources do not meet the re6

uirement e"en a$ter the resources o$ non.ser"ing users that can 'e p

reempted are all preempted& the R- preempts resources o$ ser"ing u

sers

When a non.ser"ing R- is esta'lished or added& the non.ser"ing R- ca

n preempt only the resources occupied 'y non.ser"ing users i$ the id

le resources do not meet its re6uirement




Contents






. HSUPA Adapti"e Retransmission


4 i




4"er"iew %he $ollowing $igure is the 'asic procedure o$ .DPDCH power control+

Based on the U %/ power and uplin! cell load& uplin! adapti"e retransmissi

on algorithm can ad9ust the target transmission times to get 'etter co"erage and capacity $or the user+

#$ U %/ power or uplin! cell load is limited& 'ig target retransmission ti

mes can 'e used+

#$ U %/ power and uplin! cell load are not limited& small target retrans

mission times can 'e used+




Procedure o$ Adapti"e Retransmission




Power Control on .DPCCH

%he transmit power on the .DPCCH is calculated using a power o$$set re$erence to the uplin! DPCCH with the $ollowi

ng $ormula)

P.DPCCH 1 PU- DPCCH / A<ec

PU- DPCCH is the transmit power o$ the uplin! DPCCH

l Aec is the 6uanti=ed amplitude ratio o$ the .DPCCH to the

uplin! DPCCH& which is set to ;>?;> $or a < ms %%# and 7?;>$or a ;@ ms %%#

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Power Control on .DPDCH

%he transmit power on the .DPDCH is calculated using a power o$$set re$erence to the uplin! DPCCH with the $ollowi

ng $ormula)

P.DPDCH 1 PU- DPCCH / A<ed

PU- DPCCH is the transmit power o$ the uplin! DPCCH+

Aed is the power o$$set o$ the .DPDCH re$erence to the upli

n! DPCCH

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.DCH 4uter -oop Power Control

%he 8oS on the .DCH is o'tained a$ter the R5C per$ormsa macro di"ersity com'ination+ Since only the correct pac!e

ts are sent to the R5C $rom the 5odeB& the num'er o$ HAR

8 retransmissions is used as the measurement $or the .D

CH 8oS+ 4uter loop power control periodically ad9usts the

S#Rtarget& related to the ser"ice 8oS $or the .DCH& in a simila

r way $or the DCH

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.DCH 4uter -oop Power Control

%he control o'9ect o$ outer loop power control can 'e the num'er o$ retransmissions *5HR, or the residual B-R *RB-

R, #$ the #$ the ser"ice is interacti"e?'ac!ground?streaming?SRB&

5HR is the control o'9ect o$ outer loop power control #$ the ser"ice is PS con"ersational& RB-R is the control o'9ect

o$ outer loop power control

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P C t l A:CH R:CH




Power Control on .A:CH& .R:CH& and .H#CH

#n the downlin!& HSUPA has three additional control chann

els) .A:CH& .R:CH& and .H#CH+ %he $ollowing power cont

rol methods are used) Power Control Based on Fi/ed Power Power Control Based on Downlin! DPCH?F.DPCH HSUPA .A:CH Power Control *Based on C8# or HS.SCCH,

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Power Control Based on Fi/ed Power

#$ the power control 'ased on the $i/ed power is used& the transmit power on the .A:CH& .R:CH& and .H#CH is calcu

lated with the $ollowing $ormula)

P.A:CH 1 PP.CP#CH P4.A:CH

P.R:CH 1 PP.CP#CH P4.R:CH

P.H#CH 1 PP.CP#CH P4.H#CH

age"$

P C t l B d D li ! DP




Power Control Based on Downlin! DPCH?F.DPCH

%he demodulation conditions o$ HSUPA downlin! control c

hannels are similar to those o$ the %PC or pilot $ield o$ the

downlin! DPCH?F.DPCH+ %here$ore& the power o$ HSUPA do

wnlin! control channels can 'e controlled 'ased on the %PC or pilot $ield

%he HSUPA transmit power is calculated with the $ollowing

$ormula)

P 1 P%PC FU5C*Pow4$$set,

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HSUPA .A:CH Power Control *Basedon C8# or HS.SCCH, %he HSUPA .A:CH power control is 'ased on the ser"ing c

ell+ %he ser"ing HSUPA cell must 'e consistent with the ser"

ing HSDPA cell+ %here$ore& the HSDPA in$ormation can 'e u

sed $or HSUPA .A:CH power control

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HSUPA .A:CH Power Control *Basedon C8# or HS.SCCH, %he a"aila'le HSDPA in$ormation o$ C8# and HS.SCCH is dis

continuous+ %here$ore& the HSUPA .A:CH power control st

ill depends on the power control 'ased on the downlin! DP

CH?F.DPCH+ When the HSDPA in$ormation o$ C8# or HS.SCC

H is a"aila'le& the in$ormation can 'e used to ad9ust the res

ults o$ the power control+ 4therwise& the power control 'as

ed on the DPCH?F.DPDCH is used directly on the .A:CH+

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Owo127020 Wcdma Hsupa Ran15 Rrm and Parameters Issue 1.00

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Transcript of Owo127020 Wcdma Hsupa Ran15 Rrm and Parameters Issue 1.00