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High Speed Cell_FACH RAN1913

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Fast Cell!C" to CellF#C" switch

$e%&ce% signalling loa%

'E ()* B+S

B+S ()* $NC

Co%e tree occ&,ation re%&ction

B+S -ase-an% reso&rces saing

"igh n&m-er o smart,hones can -e s&,,orte%

"igher thro&gh,&ts ,ossi-le on common channels

1.80 M-,s in 1. M-,s in '

"45 'Es 36!! $el. 7 enhancement9

"45 'Es 36!! $el. 8 : ' enhancement9

IntroductionRAN1913 – High Speed Cell_FACH

Tale o! Co

Cell_"CH to Cell_FA

$%&& 's

(etter resources utis'artphone tra!!ic

Baseline5 'E in CellF#C" state

Dedicated channels

"

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*ith and *ithout RAN1913

$#N1;13Not actiate%

   H   S   D

   P  A   /   H   S   U

   P  A

   R  e   l   9   9

   /   R  e   l   9   9

R  A  C   H    /   F   A  C   

H   

Dedicated channels

Common channels

ata transmission

Cell_"CH to Cell_+CHTrans'ission on HS"A in

Cell_+CHCell_"CH toCell_FACH

Trans'ission on HSCell_FACH

   H   S   D

   P  A   /   H   S   U

   P  A

   R  e   l   9   9   /   R  e   l   9   9

F   A  C   H    /   R  A  C   

H   

H   S   D  P  A   /   H   

S   U   P  A  

Dedicated channels

Common

F  A C  H   /  R A C  H  

H  S  D P  A  /  R A C  H  

HS"A onl, on dedicated

channels

"S

ch

+ime <ms= +ime <ms=

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Interdependences

FSMC//$#N1>38

Fle?i-le $C ownlink

$#N1;13

$#N1;10Fle?i-le $C ',link

Features Re-uire'ents#

$#N1>37 "igh S,ee% CellF#C" $#N1>38 Fle?i-le $C ownlink

$#N1;10 Fle?i-le $C ',link "ar%ware5

FSMC//E 'Es5 36!! $el.7 or 8

Tale o! Co

$#N1>37"igh S,ee% CellF#

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@ ownlink channels ma,,ing or "igh S,ee% Cell F#C"

@ ',link channels ma,,ing or "igh S,ee% Cell F#C"

Channel 'apping in High Speed Cell_FACH

PCCHCCCH DCCH DTCH

3GPP Rel7

BCCH

FACH FACH FACHBCH PCHFACH

S-CCPCHP-CCPCH

HS-DSCH

HS-PDSCH   S-CCPCH S-CCPCH

ogical channels

+rans,ort channels

!hAsical channels

CCCH DCCH DTCH

RACH

PRACH   E-DPDCH

3GPP Rel8

E-DCH

ogical channels

+rans,ort channels

!hAsical channels

  H  S -  S  C  C  H

  H  S -  D  S  C

  H

Common/Dedicated H-

RNTIBCCH specifc H-RNTI

  E -  D  C

  HE-RNTI

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RRC state change !or High Speed FACH

I+./_Mode

Cell_+CH

Cell_FACH

Cell_"CH

I+./_Mode

Cell_+CH

Cell_FACH

Cell_"CH

HS Cell_FACH

no HS Cell_FACH

Incomin/o!toin

messae

Incomin/o!toin

messae

Incomin/o!toin

messae

Cell_"CH to Cell_FACH 'uch !aster

than Cell_"CH to Cell_+CH

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@ Bearer selection %e,en%ing on -&er occ&,ation an% +M settin

Tra!!ic 0olu'e settings

Cell_FACH

Cell_+CH

Cell_FACH

B&er <-its=

HSFACHVolThrDL 4CE9

HSRACHVolThrUL 4CE9

TrafVolThresholdDLLow 4CE9

TrafVolThresholdULLow $N!S9

No High Speed Cell_FACH

C"/C" or 

"S)SC"/C" or 

"S)SC"/E)C"

C"/C" or 

"S)SC"/C" or 

"S)SC"/E)C"

"S)SC"/$#C"

"S)SC"/E)C"F#C"/$#C"

M&ch more %ata can -e sen% on CellF#C"

e%icate% channel occ&,ation is lower 

Common channels are &se% more eectie

High Speed Cell_FACH

Cell_+CH

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@ No ee%-ack inormation $

Feedac in!or'ation

Commissioning ,arameters5@  numberOfBlindRepetitionHsCellFach 

$e,etition "s CellFach state@   c!iDefaultHsCellFach ) ea&lt CD al

state

  H  S -  D  S  C

  H

  H  S -  D  S  C

  H

  H  S -  D  S  C

  H

 " s t    T #

 $ n d    T

 #

 % & d    T #

$#C" channel not &se% or ee%-ack inormation

@ 4ith ee%-ack inormation $el. 8 'Es9

E 2AC4NAC support on HS5+"CCH6 +$'E

@  #CGs an% N#CGs are sent on "S)!CC"

E 2Measure'ent Feedac in!o6 +$'E

@  CDs are sent on "S)!CC"

 H S - D

 S C H

 H S - D

 P C C H

  ' A C ( 

 / N A C

 (  / C ) I  * S I B

  + / +  ,

 i s 

 )  # C  G

 /  N # C  G

  s & , , o

 r t  o n   " S )  0

  ! C C  "

 )   M e a s

 & r e m e

 n t   F e e %

  - a c  k   i n

  o

N+E5 For 2 transmissions ma? achiea-le is 1.8

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$ecommen%ations or testing enironment5

@ 'Es 36!! $el7 an% $el8

@ "S!# ca,a-le cells@   HSD"A#nabled

@   HSU"A#nabled

@ ow traic / nstant Messengers / smart,hone)like serices sen%ing Hkee,)alieI mes@ SkA,e /6talk /MSN

@ 4eather/Financial wi%gets

@ ocation -ase% serices Nokia "E$E9

@ +M settings 12 -Ates or higher @   HSFACHVolThrDL

@   HSRACHVolThrUL

Test cases

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CAS/ 1# lo7 nu'er o! users HS5FACH e8pected initial phase:

@   HSFACHVolThrDL 12

@   HSRACHVolThrUL 12 a,,lies or $el. 8 'Es9

@   TrafVolThresholdULLow 128/2> a,,lies or $el. 7 'Es9

@   min$umHsfachUsers 1 "S'!# res. ste, 10 &sers9

CAS/ ;# increased nu'er o! users HS5FACH e8pected < 'ore Rel= >/s on RACH

@   HSFACHVolThrDL 12

@   HSRACHVolThrUL 12 a,,lies or $el. 8 'Es9

@   TrafVolThresholdULLow ?1; applies !or Rel@ = >/s:

@   min$umHsfachUsers ;53 HS>"A res@ step ;&53& users:

CAS/ 3# high nu'er o! users HS5FACH e8pected < 'ore Rel= >/s on RACH < 'oCell_FACH state instead Cell_+CH:

@   HSFACHVolThrDL 1&;%

@   HSRACHVolThrUL 1&;% a,,lies or $el. 8 'Es9

@   TrafVolThresholdULLow ?1; applies !or Rel@ = >/s:

@   min$umHsfachUsers % HS>"A res@ step %& users:

"ara'etri)ation cases 14;:/8a'ples

min$umHsfachUsers%one. ', to 1 "S'!# res.

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HSFACHRel%ConSetup#C  J %ea&lt 812 0001101111110110001100-9

HSFACHRel&ConSetup#C  J %ea&lt 812 0001101111110110001100-9

Esta-lishment ca&ses which ,reer new high s,ee% common channels "S F#C"/"S $#C"9 &sage or $el7/$el8 'Es 5

@ Bit 05 riginating conersational callK

@ Bit 15 riginating streaming callK@ (it ;# Briginating interacti0e call

@ (it 3# Briginating acground call

@ Bit 5 riginating s&-scri-e% traic callK

@ Bit 5 +erminating conersational callK

@ Bit >5 +erminating streaming callK

@ (it =# Ter'inating interacti0e call

@ (it # Ter'inating acground cal

@ Bit ;5 EmergencA call alwaAs 09 #lwaAs 09K

@ (it 1&# Inter5RAT cell re5selection

@ (it 11# Inter5RAT cell change order

@ (it 1;# Registration

@ (it 13# +etach@ (it 1%# Briginating high priorit, signalling

@ (it 1?# Briginating lo7 priorit, signalling

@ Bit 1>5 Call re)esta-lishmentK

@ (it 1=# Ter'inating high priorit, signalling

@ (it 1# Ter'inating lo7 priorit, signalling

@ Bit 1;5 +erminating ca&se &nknownK

@ Bit 205 MBMS rece,tionK

@ Bit 215 MBMS ,t, $B reL&estK

"ara'etri)ation cases ;4;:

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Common M#C Flow !rioritA D&e&es transmitting BCC"K CCC" an%/or CC" %ata on "S)F#C"5

) Sche%&ling !rioritA n%icator S!9 ) "riForSRBsOnHS"A

) al&e o the +1 ) T'HSFACH

) al&e o M#C)ehs $eset +imer ) HSFACHResetTimer

) al&e o iscar% +imer ) HSFACHDiscardTimer

) al&e o M#C)c !' Sie ) HSFACH(AC"DUSi)e

Common M#C Flow !rioritA D&e&es transmitting +C" %ata o N$+ $#B on "S)F#C"5

) Sche%&ling !rioritA n%icator S!9 ) "riForHSFACHDTCH %ea&lt 09 i the DoS #ware "S!# Sche%&ling eat&r

the cell -A &sing e?isting management ,arameter HS"A*oS#nabled K otherwise al&e 0 shall -e &se%.

) M#C)ehs $eset +imer ) HSFACHRestTimerDTCH

) al&e o iscar% +imer ) HSFACHDiscardTimerDTCH

) al&e o M#C)c !' Sie ) HSFACH(AC"DUSi)eDTCH

Note i anA o the al&e %eine% in a-oe has -een change% that %oes not trigger mo%iication o "S)F#C" conig

&nlocke% state.

"riorit, -ueues prioriti)ation

PCCHCCCH DCCH   DTCH

3GPP Rel7

BCCH

FACH FACH FACHBCH PCHFACH

S-CCPCHP-CCPCH

HS-DSCH

HS-PDSCH   S-CCPCH S-CCPCH

ogical channels

+rans,ort channels

!hAsical channels

CCCH DCCH   DTCH

RACH

PRACH   E-DPDCH

3GPP Re

E-DCH

ogical channels

+rans,ort channels

!hAsical channels

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$C conig&ration5A(RLCHSFACH"S

A(RLCHSFACH"S(a+DAT

A(RLCHSFACH"S(a+(R,

A(RLCHSFACH"S(a+RST

A(RLCHSFACH"S"eriod(a+

A(RLCHSFACH"S"eriod(in

A(RLCHSFACH"S"oll"DU

A(RLCHSFACH"S"ollSDU

A(RLCHSFACH"S"oll,in

A(RLCHSFACH"STri--ers

A(RLCHSRACH"S

A(RLCHSRACH"S(a+DAT

A(RLCHSRACH"S(a+(R,

A(RLCHSRACH"S(a+RST

A(RLCHSRACH"S"eriod(a+

A(RLCHSRACH"S"eriod(inA(RLCHSRACH"S"oll"DU

A(RLCHSRACH"S"ollSDU

A(RLCHSRACH"S"oll,in

A(RLCHSRACH"STri--ers

A(RLCRespHSFACHandRACH

HSFACHA(RLCRespHSRACH

HSRACHA(RLCRespHSFACH

RNR.C and *C/. para'ters

4CE ,arameteriation5AmpliRatioOptHSRACH

Happ.BitDela.ConHSRACH

HSFACHActi/it.A/e,in

HSFACHActi/it.Thr

HSFACHActTimeToTri--er

HSFACHRABDRA#nabled

HSFACHRLCTimeToTri--er

HSRACHActi/it.A/e,in

HSRACHActi/it.Thr

HSRACHActTimeTri--er

HSRACHCapabilit.

HSRACHCommon#DCHRes

HSRACH#+tendedA0

HSRACH0mplicitRelease

HSRACH(a+AllocTimeCCCH

HSRACH(a+"eriodCollisHSRACH(a+TotS.mbolRate

HSRACH("O

HSRACHSubChannel$umber

HSRACHTimeTri--er

HSRACHTransmisBac1Off

"owerOffset"reamHSRACH

"r+Tar-et"S(a+tHSRACH

"t+BCCHHS"DSCH

"t+BCCHHSSCCH

"t+Tar-et"S(a+tHSRACH

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High Speed Cell_FACH 5 Der,!ication"Is

RNC_?3E9a

RNC_?3EEa

RNC_?3=&aRNC_?3=3a

RNC_?3E=a +. control T":

RNC_?3Ea +. user data T":

RNC_?3=?a >. control T":

RNC_?3=Ea >. user data T":

• Success ratio !or s7itching

et7een Cell_+CH Cell_"CH

and /nhanced Cell_FACH

• A0erage Throughput !or data

and control in +. !or all users in

/nhanced Cell_FACH

'+$#N Connecte% Mo%e

Cell_"CH

Cell_+CH

/nhancedCell_FACH

• A0e

Cel

"Is J eriication an% eat&re monitoring can -e %one ia newlA intro%&ce% G!s5

 R N C_  ? 3

 E E a R N C

_  ? 3 E 9 a

R N C  _?  3 =  & a R N C  _?  3 =  3 a 

• A0erage Throughput !or data

and control in >. !or all users in

/nhanced Cell_FACH

R  N   C   _?   3  =   ?   a   9   >   .   c  o  n  t   r  o  l    :  

R    N    C      _?    3    

=    E    a     9    >    .    u   s   e   r     :    

R  N   C   _?   3  E  =   a   9   +  .   c  o  n  t   r  o  l    :  

R    N    C      _?    3    E    A    

a     9    +    .    u   s   e   r     :    

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High Speed Cell_FACH 5 Der,!ication"Is and Counters

RNC_?3=1a RNC_?3E?a

RNC_?3=;a

• "ercentage o! >/s capale o!using /nhanced C/.._FACH

state related to all >/s

• A0erage Nu'er o! users in/nhanced C/.._FACH state

"Is J eriication an% eat&re monitoring can -e %one ia newlA intro%&ce% G!s5

• Ma8i'u' nu'er o! si'ultaneous

users in /nhanced C/.._FACH state

Ti'e

   N  u  '     e  r  o   !   /  n   h  a  n  c  e   d

   C  e   l   l_

   F   A   C   H  u  s  e  r  s

   N  u  '     e  r  o   !

   /  n   h  a  n  c  e   d

   C  e   l   l_

   F   A   C   H  u  s  e  r  s

Ti'e

M1&&&CE% including "CH:

M1&&&C1&3 e8cluding "CH:

• A0erage SCC"CH load#including "CH 5 M1&&&CE%

e8cluding "CH 5 M1&&&C1&3

• Ad

d

Counters J eriication an% eat&re monitorin

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Cell .oad Si'ulation – Results.o7 i'pact on Cell .oad in asolute 0alues

@ From 2 to 00 smart a,,lications ,er single cell

@ 2 tA,es o ino is -eing sen% -A smart a,,lication5

@ Gee, alie message J transmission onlA ' %irection

@ 'ser actiitA message J transmission in ' O %irection

@ +M setting or "S)F#C" 102

Message sie <BAtes= 10

+ime -etween messages <s= ;0

Message sie <BAtes= 2000

+ime -etween messages <s= ;0

!ercentage o ncoming Messages 0P

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RNC Si'ulation – Assu'ptions+etailed +e!inition o! S'art Application Characteristic

+ime -etween messages <s= ;0

+ime -etween messages <s= ;0

Signiicant $NC loa% re%&ction

@ $NC2>00 / ste, 3

@ N&m-er o s&-scri-ers5 100 000 with $'30 NSN ea&lt traic ,roile

@ 100P smart,hone)like a,,lications@ 2 tA,es o ino is -eing sen% -A smart a,,lication5

@ Gee, alie message

@ 'ser actiitA message

@ No "S CellF#C"

@  #ll messages sen% ia CellC"

@ "S CellF#C"

@  #ll messages sen% ia CellF#C"

$NC loa%

0P

10P

20P

30P

0P

0P

>0P

70P

80P

;0P

100P

No HS Cell

9E

33

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Feature Acti0ation Steps.icensing and para'eter settings

$#N1;13 actiation5• Q"igh S,ee% CellF#C" ',linkR licence state is n.

• $#N1>37 eat&re is ena-le% in the cell

•   HSU"A#nabled 4CE9 ,arameter is set to QEna-le%Q.

•  Fle+ULRLC#nabled ,arameter is set to QEna-le%Q.

• t is recommen%e% to set RACHCapacit. to messages9

• t is recommen%e% to set (a+$brOfHSSCCHCodes to

•   FD"CH#nabled ,arameter is set to QEna-le%Q.

•   HSRACH#nabled 4CE9 ,arameter is set to QEna-le%R.

$#N1>37 actiation5@ $#N1>37 actiation allowe% i all car%s are CS!)"

@ Set the eat&re license N

 J For !#)$NC52,%(3F#A4'%563O$7

 J For mc$NC5

set license feature8m-mt id 999999'%56 feature8admin8state on@ ock the cell

@   HSD"A#nabled 4CE9 ,arameter is set to QEna-le%Q.

@   "owerSa/eHS"AT.pe 4CE9 ,arameter is set to 0 No"S!#0$eCon9 or 2 "S!#9.

@   HSD"AD.namicResourceAllocation $NCF9 ,arameter is set to QEna-le%Q.

@   $BA"Comm(ode 4B+S9 ,arameter is set to 0 'ltraSiteK Fle?i or !icoB+S9.

@   FRLC#nabled $NFC9 ,arameter is set to QEna-le%Q.

@   HSFACH#nabled 4CE9 ,arameter is set to QEna-le%R.

@ t is recommen%e% to set RACHCapacit. to messages9

@ 'nlock the cell

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MAC

Are0iated na'e   HSFACHVolThrDL

"ara'eter na'e traic ol&me meas&rement threshol% o "S)F#C"

+ata t,pe En&meration

+escription +his ,arameter %einesK in -AtesK the threshol% o %ata in the $C -&ers o !S $B that trigol&me meas&rement re,ort ca,acitA reL&est9 on M#CK when 'E is in CellF#C" state &stherwiseK $NC sen%s %ata on "S)F#C".

"ara'eter group !S!arameters

Classi!ication $a%io $eso&rce 'tiliation

Range and stepninitA 09K 8 -Ates 89K 1> -Ates 1>9K 32 -Ates 329K > -Ates >9K 128 -Ates 1289K 2> -At129K 102 -Ates 1029K 208 -Ates 2089K 3072 -Ates 30729K 0;> -Ates 0;>9K 81;2 -1>389K 27> -Ates 27>9K ;12 -Ates ;129

+e!ault 0alue 12 -Ates 129

Ne7 net7or planning para'eters+. tra!!ic 0olu'e 'easure'ent threshold o! HS5FACH

HSFACHVolThrDL is low 'E enters CellC" with

lower amo&nt o %ata in $C -&er 

"S SC" in

"S)F#C" &se% HSFACHVolThrDL is high "S)F#C" is &se% more likelA

or %ata rece,tion

Cell_+CH

Cell_FACH

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MAC

Are0iated na'e   HSRACHVolThrUL

"ara'eter na'e ' traic ol&me meas&rement threshol% o "S)$#C"

+ata t,pe En&meration

+escription +his ,arameter %einesK in -AtesK the threshol% o %ata in the $C -&ers o S$B0K S$B1K all N$+ $Bs that triggers the &,link traic ol&me meas&rement re,ortK when the 'E is in C&sing "S)$#C". therwiseK 'E sen%s %ata on "S)$#C". +his ,arameter is sent to the 'EME#S'$EMEN+ CN+$ message.

"ara'eter group !S!arameters

Classi!ication $a%io $eso&rce 'tilisation

Range and step 0 0 -Ates9K 8 8 -Ates9K 1> 1> -Ates9K 32 32 -Ates9K > > -Ates9K 128 128 -Ates9K 2> 2-Ates9K 102 102 -Ates9K 208 208 -Ates9

+e!ault 0alue 12

Ne7 net7or planning para'eters>. tra!!ic 0olu'e 'easure'ent threshold o! HS5RACH

HSRACHVolThrUL is low 'E enters CellC" with

lower amo&nt o %ata in $C -&er 

E)C" in Ce

"S)$#C" &se% HSRACHVolThrUL is high "S)F#C" is &se% more likelA

or %ata rece,tion

Cell_+CH

Cell_FACH

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Are0iated na'e   c!iDefaultHsCellFach

"ara'eter na'e ea&lt CD al&e or "S CellF#C" state

+ata t,pe N&m-er 

+escription +his ,arameter %eines ea&lt CD al&e or "S CellF#C" state.ea&lt CD al&e &se% when CD ee%-ack is %isa-le% in $el79 or when CD has not Aet -

"ara'eter group

Classi!ication ,eration an% Maintenance

Range and step 0...3K ste, 1

+e!ault 0alue 2 B+S &ses NSN recommen%e% %ea&lt al&e o c&rrent S4 release9

Ne7 net7or planning para'eters+e!ault CGI 0alue !or HS Cell_FACH state

cqiDefaultHsCellFach is low thro&gh,&t is lower

-&t rece,tion ,ro-a-ilitA is higher 

cqiDefaultHsCellFach is high thro&gh,&t is higher

-&t rece,tion ,ro-a-ilitA is lower 

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Are0iated na'e   numberOfBlindRepetitionHsCellFach

"ara'eter na'e N&m-er Blin% $e,etition "s CellFach state

+ata t,pe N&m-er 

+escription +his ,arameter %eines n&m-er o -l in% re,etitions o M#C)ehs !'s in "S CellF#C" staN&m-er o -lin% re,etitions o M#C)ehs !'s in the a-sence o #CG/N#CG al&e rom 'E

 #CG/N#CG has not Aet -een receie% in $el89. 

"ara'eter group

Classi!ication ,eration an% Maintenance

Range and step 1...K ste, 1

+e!ault 0alue 2 B+S &ses NSN recommen%e% %ea&lt al&e o c&rrent S4 release9

Ne7 net7or planning para'etersNu'er B! (lind Repetition Hs Cell_Fach state

numberOfBlindRepetitionHsCellFach

s low rece,tion ,ro-a-ilitA o each M#C)ehs !' is lowerK

eectie thro&gh,&t higher 

numberOfBlindRepetitionHsCellFach

s high rece,tion ,ro-a-ilitA o each M#C)ehs !' is highK

eectie thro&gh,&t is lower 

N t l i t

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Are0iated na'e   min$umHsfachUsers

"ara'eter na'e Minim&m n&m-er o "S)F#C" &sers

+ata t,pe N&m-er 

+escription +his ,arameter gies an o,tion to o,erator to resere -ase-an% ca,acitA or "S)F#C" &se. 4ith i?e%lA resere -ase-an% ca,acitA rom 0 to "S'!# reso&rce ste, or "S)F#C" &se ,er ocal C1 "S'!# reso&rce ste, means 12CE reso&rce -lock s&,,orting 10 sim&ltaneo&s actie "S)F#C"resere -ase-an% reso&rces with commissioning ,arameter in ste,s 10 "S)F#C" &sersK 20 "S)F&sers or 0 "S)F#C" &sers ,er C6. !arameter is C6 s,eciic an% can -e commissione% or e the ,arameter is commissione% with al&e 0K then B+S will resere ma?im&m one "S'!# reso&in case "S)F#C" is actiate% or some o the cells in the C6.Note5 B+S conig&ration has at least one $el1 sAstem mo%&leK then al&e 0 sho&l% -e set to thesAstem mo%&le.

"ara'eter group

Classi!ication ,eration an% Maintenance

Range and step 0.. "S'!# res. ste,K ste, 1 "S'!# res. ste,

+e!ault 0alue 0 "S'!# res. ste, no ,re)reseration is %one9

Ne7 net7or planning para'etersMini'u' nu'er o! HS5FACH users RAN1913 onl,:

+oo low al&e o  minumHsfachUsers l

can -e achiee% rom $#N1;13

+oo high al&e o  minumHsfachUsers wastes Ba%eBan%

reso&rcesK which cannot -e &se% -A other "S'!# &sers