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7/17/2019 HSCell FACH
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1 © Nokia Siemens Net works 2012
For internal use
MBB CS Network Engineering / Michal Baranski / 18.03.20131 © Nokia Siemens Net works 2012
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< 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< 812 0001101111110110001100-9
HSFACHRel&ConSetup#C J %ea< 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< 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< 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< CD al&e or "S CellF#C" state
+ata t,pe N&m-er
+escription +his ,arameter %eines ea< CD al&e or "S CellF#C" state.ea< 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< 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
7/17/2019 HSCell FACH
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28 © Nokia S iemens Networks 2012For internal use
MBB CS Network Engineering / Michal Baranski / 18.03.2013
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 $el89.
"ara'eter group
Classi!ication ,eration an% Maintenance
Range and step 1...K ste, 1
+e!ault 0alue 2 B+S &ses NSN recommen%e% %ea< al&e o c&rrent S4 release9
Ne7 net7or planning para'etersNu'er B! (lind Repetition Hs Cell_Fach state
numberOfBlindRepetitionHsCellFach
s low rece,tion ,ro-a-ilitA o each M#C)ehs !' is lowerK
eectie thro&gh,&t higher
numberOfBlindRepetitionHsCellFach
s high rece,tion ,ro-a-ilitA o each M#C)ehs !' is highK
eectie thro&gh,&t is lower
N t l i t
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2; © Nokia S iemens Networks 2012For internal use
MBB CS Network Engineering / Michal Baranski / 18.03.2013
Are0iated na'e min$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<aneo&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