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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"$ice will +e ca""ied on -#.
9!he"wise i! will +e ca""ied on -#.
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Mapping CS "oice onto HSUPA
CS speech "oice may 'e mapped onto the DCH& HS.DSCH& or .DCH #$ 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
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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#.
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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"$ices. , -#/ Bo!h uplin& and downlin& a"e p"e*e"a+lca""ied on !he -#.
, S-01/ plin& is p"e*e"a+l ca""ied on !he -# anddownlin& is p"e*e"a+l ca""ied on !he S,-S#. , S01/ plin& is p"e*e"a+l ca""ied on !he ,-#and downlin& is p"e*e"a+l ca""ied on !he S,-S#.
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Mapping PS Streaming Ser"ices onto HSUPA
#$ the $ollowing $actors are met& PS streaming ser"ices can 'e mapped onto HSUPA) %he cell supports HSUPA
2MAP3PS3S%RAM3453HSUPA3S #%CH is selected %he ma/imum D- ser"ice rate is higher than or e6ual to UlStr%hs4n
Hsupa
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Related Parameters
Parameter D De!cription
UlStrThsOnHsupa Ra!e !h"eshold *o" decision !o use,-# !o ca"" 0S s!"eamingse"$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
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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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+
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%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$$ic "olume change U mo"ing -oad change
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State %ransition Based on %ra$$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)
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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
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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
* $D e"ent report i+
re!ei"ed by RNC and the
!ondition or H%&'A
bearer i+ met, the +er"i!e
will be re!onigured to
E-DCH
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State %ransition Based on -oad Change
When the system load *downlin! transmit power or uplin! inter$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$ormed 'y load con
trol algorithm in R5C+
CELL_DCH
(with E-DCH)CELL_FACH
high load
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Contents
<.%ransport Channel Selection
2. Channel Switching
*. HSUPA Fast Scheduling
4. HSUPA Dynamic C Management
5. Uplin! Macro Di"ersity #ntelligent Recei"ing
6. HSUPA Adapti"e Retransmission
7. HSUPA Power Resource Management
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4"er"iew %he ser"ice carried on the .DCH can 'e con$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$$ic "olume+ %his mode can guarant
ee the 8oS "ery well+ 5on.scheduling mode is generally applica'le to ser
"ices sensiti"e to delay or ser"ice with constant source rates& such as 0o#
P & CS o"er HSUPA+
Scheduling mod e ) %he a"aila'le ma/imum transmission rate is contr
olled 'y the HSUPA scheduler in the 5odeB and it can 'e ad9usted $re6ue
ntly 'y the HSUPA scheduler+ #$ the cell resource is enough& the ser"ice c
on$igured in scheduling mode can get a 'it rate in the range $rom the gu
aranteed 'it rate *:BR, to the MBR+ #$ the cell resource is congested& the'it rate is not higher than the :BR+ %he scheduling module is applica'le t
o ser"ices with "aria'le source rates& such as the interacti"e ser"ice and
'ac!ground ser"ices+
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Selection o$ .DCH Ser"ice Scheduling Modes
Service Type Sc+edulin, #ode
S&B-e!e"mined + !he pa"ame!e"?U!SRBTrans"o#eOnHsupa@
#S-e!e"mined + !he pa"ame!e"
?U!I"STrans"o#eOnHsupa@CS !peec+!ervice
on,scheduling mode
PS !peec+!ervice
on,scheduling mode
PS !treamin, -e!e"mined + !he pa"ame!e"?U!StrTrans"o#eOnHsupa@
PS interactive scheduling mode
PS ac,round scheduling mode
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Related Parameters
Parameter D De!cription
UlI"STrans"o#eOnH
supa
,-# da!a !"ans*e" mode o* %'S signaling
se"$ices. %! is $alid onl when %'S signaling
se"$ices a"e mapped on!o !he ,-#.
UlSRBTrans"o#eOnHsupa
,-# da!a !"ans*e" mode o* SRBs. %! is $alidonl when SRBs a"e mapped on!o !he ,-#.
UlStrTrans"o#eOnHsupa
,-# da!a !"ans*e" mode o* s!"eamingse"$ices. %! is $alid onl when s!"eaming
se"$ices a"e mapped on!o !he ,-#.
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Scheduling Procedure HSUPA scheduling consists o$ two su' modules)
coordination module and Uu resource scheduling module +
%he results o$ C scheduling& #u' $low control and MBR limitation
will a$$ect HSUPA scheduling+
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Procedure o$ Coordination Module
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Related Parameters
Parameter D De!cription
"a$TargetUl!oa#Fa
ctor
he pa"ame!e" species !he !a"ge!
$alue o* !he uplin& load which is
dec"eased !h"ough S01 powe"con!"ol on !he odeB side.
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Functions o$ 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
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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
2. Channel Switching
3. HSUPA Fast Scheduling
/. 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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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
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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+
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#mplementation o$ Dynamic C Management
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Contents
<. %ransport Channel Selection
2. Channel Switching
3. HSUPA Fast Scheduling
4. HSUPA Dynamic C Management
0. Uplin! Macro Di"ersity #ntelligent Recei"ing
6. HSUPA Adapti"e Retransmission
7. HSUPA Power Resource Management
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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+
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#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
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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
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Contents
<. %ransport Channel Selection
2. Channel Switching
3. HSUPA Fast Scheduling
4. HSUPA Dynamic C Management
5. Uplin! Macro Di"ersity #ntelligent Recei"ing
. HSUPA Adapti"e Retransmission
7. HSUPA Power Resource Management
4 i
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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+
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Procedure o$ Adapti"e Retransmission
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Contents
<. %ransport Channel Selection
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
2. HSUPA Power Resource Management
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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 %%#
age"2
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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$erence to the upli
n! DPCCH
age"!
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.DCH 4uter -oop Power Control
%he 8oS on the .DCH is o'tained a$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 $or the DCH
age"4
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.DCH 4uter -oop Power Control
%he control o'9ect o$ 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
age""
P C t l A:CH R:CH
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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 $ollowing power cont
rol methods are used) Power Control Based on Fi/ed Power Power Control Based on Downlin! DPCH?F.DPCH HSUPA .A:CH Power Control *Based on C8# or HS.SCCH,
age"#
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Power Control Based on Fi/ed Power
#$ 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
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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,
age"%
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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 $or HSUPA .A:CH power control
age"&
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HSUPA .A:CH Power Control *Basedon C8# or HS.SCCH, %he a"aila'le HSDPA in$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+
age#0
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