Introduction to Rel4 b

8/13/2019 Introduction to Rel4 b

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Introduction to Rel 4 with MSS Concept

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Content

1 Introduction to Rel 4 with MSS Concept 11 Objectives.....................................................................................................3

2 Executive Su!r"......................................................................................#

3 Introduction...................................................................................................$

4 %he technolo&" behind the MSC Server S"ste.........................................'

# (ene)it o) the Solution................................................................................14

$ *o+i! Sieens *etwor+s, -!lue roposition.............................................24

/ Conclusions................................................................................................2#

0 loss!r"......................................................................................................2$

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1 Introduction to Rel 4 with MSS

Concept

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1 Objectives

)ter copletin& this odule6 the student should be !ble to7

Outline the structure o) the 3 Rel.4 networ+

ist the bene)its o) the MSS concept

ist two t"pes o) MSS ipleent!tion

Expl!in the evolution p!th )ro Rele!se '' networ+ tow!rds ll8I networ+s

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2 Executive Summar%he obile business environent is )und!ent!ll" ch!n&in&. *on8re!l8tie d!t!tr!))ic is &rowin& while revenues per voice inute h!ve st!&n!ted. %he industr"de!nds ore e))icient business !nd uch ore cost8e))ective networ+s. %he *o+i!Sieens *etwor+s 9*S*: MSC Server S"ste is ! hi&hl" cost8e))ective core networ+solution th!t h!s ver" low cost8o)8ownership to help oper!tors eet their de!nds.

%he *S* MSC Server S"ste uses circuit core networ+ !rchitecture6 independent o)the tr!nsission b!c+bone6 !s speci)ied in the 3 Rele!se 4 speci)ic!tions. It is !!jor developent in the ipleent!tion o) the core networ+ )or voice !nd SMS

services. s well !s tod!",s %;M !nd %M b!c+bone solutions6 it supports I )orboth tr!))ic !nd si&n!llin&. %his !+es it ide!l )or inte&r!tin& voice services in &rowin&I b!sed ulti8service networ+s.

%he *S* MSC Server S"ste sep!r!tes c!ll control !nd si&n!llin& !nd the !ctu!ltr!))ic into distinct networ+ eleents7 the MSC Server !nd the Multiedi! !tew!".

%his split !rchitecture en!bles th!t site costs c!n be inii


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! Introduction%he obile industr" is )!cin& new ch!llen&es in tod!",s turbulent businessenvironent. *etwor+s !re &rowin&6 but the revenue per inute o) obile phone c!llis decre!sin&. Ipleent!tion o) E;E !nd ?C;M networ+s de!nds !neconoic!l b!l!ncin& !ct )ro industr" pl!"ers. In this ch!llen&in& environent6oper!tors need the best solution to the )ollowin& @uestions7

Aow c!n I !xiise voice revenueB

Aow c!n I protect existin& networ+B

Aow c!n I deplo" ?C;M while incre!sin& pro)it!bilit" in SMB

%o solve these ch!llen&es6 *o+i! Sieens *etwor+s introduces the MSC Serversolution6 ! coon circuit switched core )or SM=E;E !nd ?C;M.

%he MSC Server S"ste is circuit core networ+ !rchitecture6 independent o)tr!nsission b!c+bone !nd speci)ied in the 3 !rtnership ro&r!,s Rele!se 4speci)ic!tions 93 Rel.4:. It sep!r!tes c!ll control !nd si&n!llin& 9control pl!ne:!nd tr!))ic 9user pl!ne: into sep!r!te networ+ eleents7 MSC Server 9MSS: !ndMultiedi! !tew!" 9M?:. %his division en!bles ! tot!ll" new st"le o) structure )or

the core networ+. C!ll control c!n be centr!li


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MSC Server System Interfaces

MSS

AR

(SCSM

%CA 9(SS:

M?

MSS

M?

Mc 9A.240: Mc, Mn 9A.240:

Nc 9SI8I6 (ICC CS26 ISD:

I=%M=%;M

(!c+bone

R*C?C;M

Iu-CS 9R*:

A, Ater, AoIP9(SS:

Nb

M M

I*

C6

I*6

M

S%*=IS;*

-oI=IMS=SI

Mj, M 9SI:

ASS

CSC

M8;

Cx

MSS SFS%EM MSS SFS%EM

i&. 1 MSC Server S"ste Inter)!ces

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4 "he technolo# behind the MSC ServerSstem

%he 3 Rel.4 copli!nt MSC Server S"ste consists o) MSC servers 9MSS: !ndMultiedi! !tew!"s 9M?:. %he MSC Server is responsible )or c!ll control !ndsi&n!llin&6 while the M? t!+es c!re o) switchin& !nd c!rries the !ctu!l tr!))ic.

In the *o+i! Sieens *etwor+s ipleent!tion6 the MSC Server h!s siil!r c!llcontrol !nd si&n!llin& )unctions !s the MSC !llowin& !n existin& *o+i! Sieens*etwor+s MSCi to be up&r!ded to !n MSC Server. In order to )ull" s!)e&u!rd the

existin& MSC investent6 the eleent c!n oper!te !s both ! MSC !nd ! MSC Serversiult!neousl".

%wo t"pes o) MSS7

St!nd lone MSS

Inte&r!ted MSS

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$%o $y&es of MSC Server

Stan'-a(one MSS

(SCSM M?

Mc 9A.240:

R*C?C;M

*b6 ter6 oI

Iu8CS

MSS(SCSM

%C

M?

Mc 9A.240:

R*C?C;M

Iu8CS *b

Interate' MSS

i&. 2 %wo t"pes o) MSC Server

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4$1 Sa%e Interwor&in# with Existin# networ&%he MSC Server S"ste supports !ll existin& inter)!ces with le&!c" networ+eleents. or ex!ple6 Intelli&ent *etwor+s 9with I* or C: !nd SM=S%*9with ISD: networ+s c!n be connected to MSC Server S"ste in ! siil!r w!" totheir connections with MSC s"stes. lso6 inter)!ces with SM (SS 9 inter)!ce:!nd ?C;M R* 9Iu8CS inter)!ce: networ+s !re identic!l with tod!",s )ield proveninter)!ces !nd protocols6 ensurin& th!t MSC Server S"ste is cop!tible withtod!",s networ+s6 includin& those with eleents )ro sever!l vendors. %he siil!rit"between the current MSC S"ste !nd the MSC Server S"ste is illustr!ted in i&ure3.

-oice M!il S"stes 9-MS: !nd Short Mess!&e Service Centers 9SMSC: connect tothe MSC Server S"ste with the s!e inter)!ces !s currentl" used. In the c!se o)the inte&r!ted MSC Server6 the connection c!n re!in in the MSC Server withoutch!n&es. or ! new st!nd!lone MSC Server6 the -MS !nd SMSC c!n be connectedvi! the M? with ISD. I) the SMSC supports Si&tr!n6 ! direct connection )ro theMSC Server b" Si&tr!n is !lso possible. i&ure 4 illustr!tes the options )or connectin&!n SMSC.

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Inter%or*+n %+t, -.+st+n Net%or*

.S%* 9ISD.:

R* 9R*.:

(SS 9(SS.:

AR 9M.:I* 9I*.=C.:

.S%* 9ISD.:

MSC

MSS

M/0

SI/$1AN

324"

AR 9M.:I* 9I*.=C.:

.S%* 9ISD.:

R* 9R*.:

(SS 9(SS.:

.S%* 9ISD.:

i&. 3 Interwor+in& with Existin& *etwor+

A SMSC connect+on to a MSC Server can use t,e same+nterfaces an' &rotoco(s as SMSC connect+on to a

tra'+t+ona( MSC

i&. 4 SMSC connection to ! MSC Server c!n use the s!e inter)!ces !nd protocols !s SMSC connection to ! tr!dition!lMSC

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4$2 'ew Inter%aces and (rotocols3 Rel.4 technic!l speci)ic!tions de)ine the )unction!l entities !nd the inter)!cesneeded to support the obile service. %he !in new inter)!ces !re the )ollowin&7

Mc inter)!ce 9MSC Server > M?:

*c inter)!ce 9MSC Server > MSC Server:

*b inter)!ce 9M? > M?:

%he !in protocols introduced b" 3 Rel.4 !re A.240=Me&!co6 Si&tr!n !nd (e!rerIndependent C!ll Control 9(ICC:.

24"Meacois ! control protocol th!t is used b" the MSC server to control theM? over the Mc inter)!ce.

S+tranis used to tr!nsport C/ si&n!llin& over the I networ+. Si&tr!n is !lso usedbetween the M? !nd MSC Server to tr!nsport S%* !nd SM = DM%S R!dio*etwor+ si&n!llin& to the MSC Server over the Mc inter)!ce. %hus M? !cts !s !ninte&r!ted Si&n!llin& !tew!". In the CS do!in6 Si&tr!n c!n !lso be used betweenthe MSC Server !nd AR !nd I*=SC.

ICCis used )or c!ll control between two MSC servers in the *c inter)!ce6 !llowin& !

b!c+bone independent Control l!ne !nd Dser l!ne.

%he *o+i! Sieens *etwor+s MSC Server supports Sess+on In+t+at+on Protoco(SIP76 connectin& the MSS to *o+i! Sieens *etwor+s I Multiedi! Core eleents.

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) *ene%it o% the Solution

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In this ch!n&in& industr" it is critic!l to ensure service continuit"6 exploit opportunities

!nd eph!si


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Se&arat+on of P(anes

%r!dition!lMobile Switch

Control GSi&n!llin&

Speech G ;!t!

MSCMSC Server Control&

Si&n!llin&

Speech G ;!t!Medi!1!tew!"

;e)ined b" 31.. 9Rele!se 4:

MSC Server System

i&. # Sep!r!tion o) pl!nes

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Soc Cl!ssi)ic!tion level

1 5 *o+i ! Si eens *etwor+s

MSC Server

Medi!!tew!"

*b 9I=%M=%;M:

S%* 9%;M:

9I=%;M:

Iu CS 9%M=I:

S+na((+n 8N9:;;

Onl" Si&n!llin& between MSS !nd M?

*uberGloc!tion o) MSS site is independent

o) tr!))ic *uber o) site c!n be reduded.

M? seldo re@uire ! site visit.

M? eleents c!n be loc!ted to existin&

(SC=R*C sites

*o dedic!ted site re@uried

MSS=M? !re cop!ct in si


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)$2 "ransmission Savin#%he MSC Server S"ste s!ves tr!nsission costs b" loc!l switchin& when the c!ll is!n!&ed b" ! sin&le6 loc!l M?. Incre!sin& the c!p!cit" o) the c!ll control eleentle!ds to incre!sin& dist!nces between c!ll control !nd tr!))ic hot spots. ?ith MSCs"stes6 this !" le!d to expensive inter8cit" tr!nsission connections6 even )orloc!l obile8to8obile or obile8to8S%* c!lls6 due to the )!ct th!t in MSC s"stes!ll tr!))ic is tr!nsported to the MSC to be switched. ?ith MSC Server S"stes6 thedistributed M?s c!n do loc!l switchin&6 reovin& the need to c!rr" loc!l tr!))ic overlon& dist!nces. %his is illustr!ted in i&ure /.

%he *o+i! Sieens *etwor+s MSC Server S"ste !lso s!ves tr!nsissionb!ndwidth c!p!cit". %r!nsission in tr!dition!l s"stes is b!sed on dedic!ted$4+bit=s connections6 where!s the MSC Server S"ste c!n !+e use o) ! p!c+etb!sed tr!nsission networ+. %r!nscoder ree Oper!tion 9%rO: !nd %!nde reeOper!tion 9%O: with *o+i! Sieens *etwor+s speci)ic enh!nceents reduce thetr!nsission b!ndwidth re@uireent to less th!n 2 Hbit=s per tr!))ic direction. %hisb!c+bone c!p!cit" c!n be sh!red b!sed on tr!))ic needs.

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Se&arat+on of ca(( contro( an' s%+tc,+n enab(es ,+,ca&ac+ty contro( e(ements an' (oca(+


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)$! +ield (roven ,ualitMobile telecounic!tions networ+s h!ve &rown )ro niche !pplic!tions to thepre)erred c!rrier o) !ll voice !nd d!t!. %o )!cilit!te the cost8e))ective oper!tion o)l!r&e networ+s6 the networ+ eleents ust o))er )ield proven technolo&"6 hi&hc!p!cit"6 low ener&" consuption !nd s!ll )loor sp!ce. In the *o+i! Sieens*etwor+s solution6 the MSC Server !nd the Multiedi! !tew!" !re b!sed on the)ield proven ; 2 !nd I20 pl!t)ors. %he *o+i! Sieens *etwor+s MSCServer S"ste provides the hi&hest proven c!p!cit" in the !r+et6 with !n initi!lc!p!cit" o) $6 subscribers plus !n !ddition!l 26 teleetric subscribers.Onl" #.1 +? = 4.# s@u!re eters !re needed )or the !xiu c!p!cit" st!nd!lone

*o+i! Sieens *etwor+s MSC Server. %he processin& c!p!cit" is $6 (AC6e!sured with ! he!v" us!&e pro)ile th!t includes I* services. %hese c!p!cities !reoper!tion!l tod!" in *o+i! Sieens *etwor+s, ; 2 MSC in coerci!l networ+s.

%he *o+i! Sieens *etwor+s Multiedi! !tew!" provides %;M6 %M6 !nd Iconnectivit"6 reovin& the need )or ! sep!r!te S%* &!tew!". %he *o+i! Sieens*etwor+s Multiedi! !tew!" !lso h!s inte&r!ted !nnounceent6 tone &ener!tion6con)erence c!ll6 !nd S% )unction!lities. *o+i! Sieens *etwor+s MSC ServerS"ste supports both SM=E;E !nd ?C;M r!dio networ+s. ?hen subscribersi&r!te )ro SM to ?C;M6 the s!e core networ+ eleents c!n be usedthrou&hout the i&r!tion. *o ch!n&es in the eleents or the networ+ topolo&" !reneeded6 +eepin& the cost !nd ris+ to ! iniu.

)$4 Savin#s b mobile optimi-ed .oI(

In ! *o+i! Sieens *etwor+s MSC server networ+6 the %;M point8to8pointconnections o) MSC networ+s c!n be repl!ced b" Ethernet inter)!ces to the Ib!c+bone. %r!))ic ch!n&es c!n be !ccood!ted in the inter)!ces withoutodi)ic!tions !nd the l!borious con)i&ur!tion )!ili!r )ro %;M connections is !lsounnecess!r". %he routin& o) tr!))ic !nd si&n!llin& is provided b" the b!c+bone. %hise!se o) oper!tion o) the I b!sed networ+ will dr!!tic!ll" reduce the re@uired OGM

wor+. %he I b!sed networ+ will !lso reove the need )or ! tr!nsit l!"er. I tr!nsportin the b!c+bone en!bles sh!red tr!))ic inter)!ces inste!d o) dedic!ted %;M inter)!ces)or e!ch tr!))ic direction. %o&ether with the )lexible oper!tion o) I cop!red to %;M6this en!bles even l!r&e networ+s without ! tr!nsit MSC l!"er6 without coproisin&networ+ oper!bilit". %he di))erences between MSC !nd MSC Server networ+s !reillustr!ted in i&ure 0.

*on8re!l8tie 9non8voice: p!c+et d!t! will &row si&ni)ic!ntl" durin& the coin& "e!rs6!lon& with RS !nd ?C;M. %he MSC Server S"ste is iport!nt in thisdevelopent !s it provides the voice c!ll 9!nd ?C;M re!l tie video c!ll: services

in these networ+s. MSC Server6 which supports !ll current tr!nsport technolo&ies6includin& %;M !nd %M6 !llows the oper!tor to consolid!te voice !nd d!t! tr!nsportnetwor+s into ! sin&le I b!sed tr!nsport networ+.

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MSC net%or* an' MSS net%or*4 $e MSS System uses te

mu(t+-serv+ce IP net%or* to trans&ort traff+c an' s+na((+n

i&. 0 MSC networ+ !nd MSS networ+. %he MSS s"ste uses the ulti8service I networ+ to tr!nsport tr!))ic !nd si&n!llin&.

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)$) /on# "erm Investment (rotection%he current *o+i! Sieens *etwor+s MSCi eleents c!n be up&r!ded to MSCServers in ! siple w!" b" !ctiv!tin& the MSC Server so)tw!re. %his will )ull"s!)e&u!rd the existin& MSCi investent.

%he MSC Server S"ste supports SM=E;E !nd ?C;M subscriberssiult!neousl" !nd c!n d"n!ic!ll" !lloc!te !n" sh!re o) its c!p!cit" between the.%his e!ns th!t )ull use c!n be !de o) the MSC Server investent with ! purel"SM networ+. ?C;M subscribers !re expected to &row r!pidl" !nd MSS c!p!cit"c!n then be t!+en into ?C;M use b" !ddin& inter)!ces to R*Cs. In ters o)?C;M i&r!tion !s well !s i&r!tion to -oI6 the MSC Server S"ste is ! s!)e

investent.

3 Rel $ or Rel / will )ull" st!nd!rdi


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0 'o&ia Siemens 'etwor&s .alue(roposition

%he *S* MSC Server S"ste is the opti!l solution )or !ll +inds o) oper!tors6re&!rdless o) their current situ!tion !nd networ+ structure.

or &reen8)ield oper!tors6 the *S* MSC Server S"ste is !n ide!l solution !s itprovides best8in breed products !nd hi&h c!p!cities. s the *S* MSC ServerS"ste h!s been developed on )ield proven *S* pl!t)ors6 the oper!tor &ets thel!test technolo&" to&ether with hi&h @u!lit" !nd !v!il!bilit". lso6 since the *S* MSC

Server S"ste h!s !ll the inter)!ces )or interconnectin& with SM6 ?C;M !ndS%* networ+s6 *S* c!n provide ! )lexible solution to eet di))erin& needs.

or the existin& *S* SM=E;E custoer6 the *S* MSC Server S"ste provides!n e!s" i&r!tion to the 3 Rele!se 4 !rchitecture6 !s the existin& MSCi inst!lledb!se c!n be )ull" re8used. %he *S* MSC Server S"ste !lso uses the current %;Mb!sed !rchitecture where !pplic!ble. urtherore the networ+ c!n be split wherecert!in re&ions !" be built with the MSC Server S"ste !nd other re&ions continuewith tr!dition!l switchin& !rchitecture. %he *S* inte&r!ted MSC Server cobines thecurrent MSC !nd MSC Server technolo&ies !nd c!n !ct !s !n MSC Server while !lsoh!vin& %;M connections to (SS !nd S%*. or *S* ?C;M custoers6 thei&r!tion to MSC Server !rchitecture is even e!sier !s the current networ+ eleents63 MSC !nd M?6 c!n be )ull" reused in the MSC Server !rchitecture. *S* 3Rele!se '' networ+ eleents c!n be up&r!ded to MSC Server S"ste networ+eleents with ! siple so)tw!re up&r!de !nd in soe c!ses with inor h!rdw!rech!n&es.

or oper!tors currentl" usin& circuit switched core in)r!structure )ro !nothertelecounic!tions vendor6 the *S* MSC Server S"ste is ! )e!sible solution )orexp!ndin& the current networ+. *o+i! Sieens *etwor+s h!s ! lon& experience inulti8vendor inte&r!tion !nd interoper!bilit" testin&6 &u!r!nteein& ! se!lessexp!nsion with the *S* MSC Server S"ste b!sed on the open inter)!ces.

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ConclusionsIn the current ch!llen&in& !r+et situ!tion6 obile networ+ oper!tors ust bothinvest less th!n in the p!st6 while ensurin& the" will not be le)t behind b" continuin&networ+ evolution. %he MSC Server S"ste serves both o) these needs b" providin&! cost e))ective optii


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3 lossar3/PP

%hird ener!tion !rtnership roject. &roup o) or&!ni

CAP

CME pplic!tion rotocol. si&n!llin& protocol between Service Switchin& oint!nd Service Control oint. It en!bles Intelli&ent *etwor+ services )or ro!in&subscribers.

INAP

Intelli&ent *etwor+ pplic!tion rotocol. si&n!llin& protocol between ServiceSwitchin& oint !nd Service Control oint. It en!bles Intelli&ent *etwor+ services.

IP

Internet protocol. counic!tion protocol speci)ied b" the Internet En&ineerin&%!s+ orce 9IE%:.

=M$S

Dnivers!l Mobile %elecounic!tion S"ste. %hird &ener!tion obile s"ste.

>oIP

-oice over I. %echnolo&" to c!rr" voice counic!tion over ! d!t! networ+ b!sedon the Internet protocol.

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Introduction to Rel4 b

Documents

Transcript of Introduction to Rel4 b