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RNC Role in network

Manage the Radio Access

Bearers for user data transport

Manage and optimize the Radio

Network resources

The 3 RNC Roles

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Manage the Radio Access Bearers for user data transport:

trafficClass conversational

Speech

Timestamp UE RBS RNC CN Prot Message

--------------------------------------------------------------------------------

[16:4:!"#$$!%&11$ ''---------'' (R)N)P* R)B-)ssignmentRe+,est (UE:66* (R)B-./0&&1* (maBitRate01!!&&* (g,arantee2BitRate04$&* (a22r04611&"!&&&&&&&&*

(3in2./0&11C&$&E*

)MR1!#! (k3ps*

)MR$#

)MR#

)MR4#$

[16:4:!"#$$6%&11$ ''---'' (NB)P* Ra2io5inkReon7ig,rationPrepare8// (t./0!"!15* (UE:66* (RBS#CC./01* (BearerRe+:3earerNotRe+,este2* (2C9-./0"1* (2C9-./0* (2C9-

./0* (2C9-./01&* (r5-./0&*

[16:4:!"#$4%&11$ --- (NB)P* Ra2io5inkReon7ig,rationRea2; (t./0!"!15* (UE:66* (RNC#CC./0""1* (r5-./0&* (2C9-./0* (3in2./0&//$&&"B$* (a22r0!4&&&&&"!!6&1*

[16:4:!"#&4%&11$ ''--------'' (RRC* ra2ioBearerSet,p (UE:66* (rrT./0&* (ell-/C9* (R)B-./0&&1* (

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S;stem Reso,re 9an2ling:RNC is onstantl; monitoring a set o7 9? an2 S? reso,res# T@e res,lt 7rom monitoring will serAe as an inp,t7or )2mission an2 ongestion Re7er to 2o,ment "1"-9S/ 1&1 &!6 Capait; Management

1# /ownlink C@anneliDation Co2es Monitor(so7t ongestion*T@e /ownlink C@anneliDation Co2e Monitor proAi2es a meas,re 7or o2e tree ,tiliDation in t@e 2ownlink#

!# /ownlink Transmitte2 Carrier Power Monitor

8or ea@ all set,p t@e ell is transmitting a22itional power nessar; to maintain t@e new all# T@at power is a22e2 ,p to t@e total 2ownlinktransmitte2 power#

"# )SE MonitorT@e )SE inten2s to epress to some eten2 t@e stati loa2 on t@e air-inter7ae a,se2 3; ra2io 3earers in a onnetion in a ell relatiAe tot@e stati loa2 a,se2 3; a set o7 ra2io 3earers arr;ing a reg,lar onAersational CS spee@ 1!#! k3ps R)Bs

4# ReeiAe2 Total ?i2e3an2 Power MonitorT@e ,plink ReeiAe2 Total ?i2e3an2 Power (RT?P* is monitore2 in or2er to proAi2e in7ormation to RN Congestion Control regar2ing t@e,plink inter7erene

# RBS 9ar2ware Monitor(so7t ongestion*!" dl is t@e total @ar2ware ,sage in 2ownlink

C# rls dl is t@e n,m3er o7 CE in 2ownlink ,se2 3; a ra2io link set

total C# dl is t@e total aAaila3le CE in 2ownlink (as reporte2 3; t@e RBS*!" ul is t@e total @ar2ware ,sage in ,plink

C# rls ul is t@e n,m3er o7 CE in ,plink ,se2 3; a ra2io link set

total C# ul is t@e ,rrent total aAaila3le CE in ,plink (as reporte2 3; t@e RBS*

RN So7t Congestion ontrolis part o7 t@e RN )2mission Control 7eat,re an2 aims to inrease t@e aessi3ilit; 3; a2mitting ,sers in a ell inase o7 reso,re s@ortage i7 a low priorit; ,ser an lower its rate or 3e pre-empte2#

T@e 3e@aAior o7 RN So7t Congestion ontrol 2i77ers 2epen2ing on t@e re+,est lass:

Non-g,arantee2 re+,ests:

Can re2,e t@e rate o7 ot@er lower priorit; non-g,arantee2 onnetion parts in steps (7or eample 7rom interatiAe PS "464 to interatiAePS 1!64* 2own to t@eir lowest retaina3le rate# E+,al priorit; re+,est an2 onnetion parts will e+,all; 3alane t@eir reso,re ,tiliDation(7or eample a re+,est 7or interatiAe PS 6464 an re2,e t@e rate o7 an e+,al priorit; interatiAe PS 1!64 to interatiAe PS 6464 3,t not

to lower rates*#

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T@e " RNC Roles

RNC $RNC

Core Network

Node B Node B Node B Node B

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&TRAN$RN$RN$

$RNC

#ach connected mode is controlled ' a Serving RNC

(SRNC)The $RNC terminates (u

towar2s t@e CNThe $RNC terminates &u )*

&+ , C+towar2s UE

-RNC $RNC

Core Network

Node B Node B Node B Node B

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&TRAN$RN$-RN$

-RNC

(nter RNC soft handover re.uires a second RNC to e involved$uch an RNC lending resources

to an $RNC for a specific acts

as a Drift RNC(DRNC)/

CRNC

#ach RNC acts as Controlling RNC (CRNC) for

the directl' connected Node

B0s and their cellsThe CRNC controls the radio

resources of its cells

CRNC CRNC

Core Network

Node B Node B Node B Node B

Iu Iu

Iur

Iub IubIub Iub

&TRANRN$RN$

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Two $urack T'pes

FMain G Etension

$calale capacit'

F1-6 s,3raks in 1-! a3inets

1nl' 2 asic oard t'pes

FCommon plat7orm (CPP also ,se2 in M

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8,t,re proo7 ar@itet,re

S? entri implementation

Main $urack !" R7

$CB3

$;B3

T&B*

98 99 9* 93 9% 97 92 9 9= 9> *8 *9 ** *3 *% *7 *2 * *=

?+B73@R

NC

$CC+9

M+@Active

?+B73@R

NC

$CC+9

M+@$tand'

?+B73@RNC

Centra

lM+

@Active

?+B73@R

NC

Centra

lM+

@$tand'

?+B73@R

NC

1,M

M+@A

ctive

?+B73@R

NC

1,M

M+@A

ctive

?+B73@R

NC

Modul e

M+

@Active

?+B73@R

NC

Modul e

M+

@$tand'

?+B73@RNC

Modul e

M+

@Act iv

e

#TB

#TB

#TB

$+B*9

$+B*9

$+B*9

$+B*9

$+B*9

$;B3

?+B73@RNC

$CC+*

M+@Acti v

e

?+B73@R

NC

$CC+*M+@$tan

d' #

TB

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#tension $urack !" R7

8,t,re proo7 ar@itet,re

S? entri implementation

$CB3

98 99 9 9= 9> *8 *9 ** *3 *% *7 *2 * *=9* 93 9% 97 92

?+B73@RNC

Modul e

M+

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?+B73@RNC

Modul e

M+@

Active

?+B

73@R

NC

Module

M+Ac

tive3

?+B

73@R

NC

Module

M+@

Active

?+B

73@RNC

Modul e

M+@

Active

?+B

73@RNC

Modul e

M+@

Active $

+B*9

$+B*9

$+B*9

-B

$+B*9

$+B*9

$+B*9

$+B*9

$+B*9

$+B*9

-B

$+B*9

-

Bor#T@M

C%9

-

Bor#T@MC%9

#TB

Basic

pos/9

#TB

#

tendedpos/9

#TB

#te

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#T

BBasic

pos*

#TB

#te

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B

-

Bor#T@MC%9

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Etension

s,3rak n

/E=

ET

SCB

SCB

MP

Main s,3rak

/E=

ET

MP

SCB

SCB

SHB

SHB

Etension

s,3rak n

/E=

ET

SCB

SCB

MP

($)

S,3rak .nteronnetion

9,3 str,t,reF >ne main s,3rak

F & - etension s,3raks

.nter S,3rak 5inks (.S5s*

F Up to 1 m wit@ eletrial

twiste2 pair

1 I 1 re2,n2an; on .S5

Etension

s,3rak n

/E=

ET

SCB

SCB

MPEtension

s,3rak n

/E=

ET

SCB

SCB

MPEtension

s,3rak n

/E=

ET

SCB

SCB

MP

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Swit@ Core Boar2 SCB

8,ntion

F Cell swit@ing

F Basi onnetions to etension s,3rak

F S;n@roniDation 2istri3,tion

F Power 7iltering

F S,perAise s,3rak temperat,re

8ront onnetion

F 8o,r .nter S,3rak 5inks (.S5s*

F S,3rak power inlets

F 8an power an2 ontrol

Capait;

F ! J 6!! M3ps swit@ing

F "1& M3ps per .S5 (1& M3ps ma aggregate2*

S,3rak on7ig,ration

F ! 3oar2s in t@e main an2 ! 3oar2s in t@e etension s,3rak

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Swit@ eHtension Boar2 SHB

8,ntion

F )22itional onnetions to etension s,3rak

8ront onnetion

F 8o,r .nter S,3rak 5inks (.S5s*

Capait;F "1& M3ps o7 .S5 (1& M3ps ma aggregate2*

S,3rak on7ig,ration

F ! 3oar2s in t@e main s,3rak

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Speial p,rpose Proessor Boar2

SPB 8,ntion

F )ppliation-2epen2ent proessing (S?*

F ))5& ))5! an2 ))5 termination

8ront onnetion

F None# Capait;

F J Speial p,rpose Proessor Mo2,les (SPMs*F PowerPC

S,3rak on7ig,ration

F 3oar2s in t@e main an2 1& in t@e etension s,3rak

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Timing Unit Boar2 TUB

8,ntion

F Sta3iliDe2 lok 7or network s;n@roniDation

F ne inp,t o7 ! M9D re7ereneF >ne inp,t o7 1& M9D re7erene

Capait;

F & pp3 7re+,en; a,ra;

F >ne @o,r @ol2oAer

S,3rak on7ig,rationF ! 3oar2s in t@e main s,3rak

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E@ange Terminal 5eAel 4 ET-M84

8,ntion

F )TM inter7ae 7or 1 M3ps (S/9 an2 S>NET*

F STM-1>C"STS-" )TM 7,ll rate (=C4*

F ))5! m,ltipleing an2 2em,ltipleing

F 9? s,pport 7or MSP1I1 protetion wit@in 3oar2 an2 3etween 3oar2s

8ront onnetion

F 8o,r optial MU onnetors 7or 1 M3ps s@ort @a,l single mo2e 1"1& nm (SC

onnetors on .C8 7or termination o7 eternal transmission*

F >ne o,tp,t 7or ! M9D s;n@roniDation

Capait;

F ))5 t@ro,g@p,t ma 4&M3ps3oar2 ))5! t@ro,g@p,t ma "&&M3ps3oar2

S,3rak on7ig,ration

F >ptional in an; s,3rak

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E@ange Terminal 5eAel 4 ET-MC41

C@anneliDe2 STM-1 inter7ae 3oar2 STM-1=C1! >C-"=T-1#

Merge o7 S/9 m,ltipleer an2 ET-MC1

Ena3les )TMT/M oAer 1#! oAer STM-1

>ne 1 M3s port wit@ 6" J E1 or 4 J T1

MSP 1I1 Proteting line on ot@er ET-MC41 E+,ipment protetion in onL,ntion wit@ MSP 1I1

Maim,m .M) gro,p siDe: ()s on ET-MC1*

.M) wit@in 7ie2 gro,ps o7 E1T1

Cir,it em,lation an2 8rational s,pport

"& mm wi2e - ! slots S,3rak on7ig,ration

F >ptional in an; s,3rak

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ET-M8/ESNC9TP1 (1*

F N>/ESNC9TP! (!*

M>/ .UB5.NO CE55N)MES C8RP9EM1 C8RP9EM! C8RP9EM" C8RP9EM4 C8RP9EM C8RP9EM6 .C/1! )TMP>RTS

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1 &&! SC&&!-)BC 111111 111111 111111 11111

1 &&! SC&&!-)BC 111111 111111 111111 11111