ho gsm-umts systems forum

7/23/2019 HO GSM-UMTS Systems Forum

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Dr. Helmut Schäffer ICM N PG R S C 2 Confidential

GSM to UMTS

inter-system Handover

RAN S !orum

!e"r. #th$ %&&'



- Confidential – Commercially not binding © Siemens, 2004

(ontent

)ntroduction * Motivation R!N "it# o$erla%%ing GSM & 'M(S cells

Architecture of the com"ined GSM * UMTS Net+or, Interfaces bet"een net"or) elements

)nter-system Messae !lo+ '*&MS – +(S – +SC – MSC – RNC – Node+ – MS&'*

GSM to UMTS Handover )nitiation Maor %rere-.isites S.fficient 'M(S co$erage / Po"er +.dget /

Im%erati$e / Ser$ice based /ando$er 1irected Retry from GSM to 'M(S

Summary




)ntroduction * Motivation

Goal H/ from GSM to UMTS de0endin on certain conditions

UMTS cell 1

GSM cell

UMTS cell %

Sufficient UMTS coverae H/

2o+er 3udet H/

)m0erative H/

Service "ased Handover

Directed Retry GSM to UMTS




Architecture of com"ined GSM * UMTS Net+or,

)nterfaces "et+een net+or, elements 4(S services5

'MSC

G3MSC

MSC

RNC+SC

!

Node++(S

MS&'*

I.

!bis I.b

'm '.




)nter-system messae flo+

GSM to UMTS handover

"TS !G MSC RNS

$-Ha%&'(er-Re)*+re&

I*-Re,'cat+'%-Re)*et

I*-Re,'cat+'%Re)*et-$c$-Ha%&'(er-C'//a%&

RI-HO-C'//a%&

I*-Re,'cat+'%-DetectRRC-HO-C'/0,ete

I*-Re,'cat+'%-C'/0,ete

$-C,ear-C'//a%&

$-C,ear-C'/0,ete

MS1U2 MS1U2"SC

Mea. Re0'rt HO C'%&. I%&+cat+'%

HO $cce




GSM to UMTS Handover )nitiation 415

Ma6or 0rere7uisites )nclusion of UMTS neih"our cells in

- 3S( and 3TS data "ase

- System )nformation messaes 43S(*3TS -8 mo"ile5

Rece0tion of mo"ile station (9ASSMAR: 4mo"ile -8 3TS*3S(5

- UMTS ca0a"ility 4!DD$ TDD5

- UMTS 0o+er class 4!DD$ TDD5

Rece0tion of Measurement Re0orts 4mo"ile -8 3TS5




GSM to UMTS Handover )nitiation 4%5


- H/ to UMTS as soon as a certain sufficient UMTS threshold is met

2o+er 3udet H/

- H/ to a cell +hich offers the smallest 0ath loss

)m0erative H/ - ;merency H/< +hich uses UMTS cells to save the call


- Handover certain services 4e.. data5 to UMTS$

,ee0 certain services 4e.. voice5 +ithin GSM

Directed Retry from GSM to UMTS - conestion "ased and service "ased




Sufficient UMTS coverae H/ 415

Aim H/ to UMTS as soon as sufficient UMTS threshold condition is met.

GSM cell

UMTS cell 1

UMTS cell %




Sufficient UMTS coverae H/ 4%5

(onditions for H/ initiation - for RS(2 re0ortin Recei$ed le$el RSCP5 of 'M(S cell larger t#an 6s.fficient RSCP7 t#res#old8

R=9ev>N(994n5 8 umtsSuffRS(24n5 ? Ma= 4&$ 2a5 415

- for c*No re0ortin Recei$ed 9.ality *c&No5 of 'M(S cell larger t#an 6s.fficient *c&No7 t#res#old8

R=@ual>N(994n5 8 umtsSuffcNo4n5 ? Ma= 4&$ 2a5 4%5

"it# t#e follo"ing definitions8

2a MsT=2ma=4n5 B 24n5 4C5

MsT=2ma=4n5 ma:im.m R; (< %o"er an MS&'* is %ermitted to .se in a neig#bo.r cell=

24n5 ma:im.m (< %o"er ca%ability ;11 or (115 of t#e MS&'*

R=9ev>N(994n5 recei$ed le$el RSCP5 of neig#bo.r cell n ;11 or (115 "#ic# ismeas.red by t#e MS&'* and re%orted by MS&'* to t#e +(S=

R=@ual>N(994n5 recei$ed -.ality *c&No5 of ;11 neig#bo.r cell n "#ic# is meas.red by

t#e MS&'* and re%orted by MS&'* to t#e +(S=


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2o+er 3udet Handover 415

Aim Handover to a cell +hich offers the smallest 0ath loss

UMTS cell 1

GSM cell

UMTS cell %


2o+er 3udet H/

)m0erative H/





2o+er 3udet Handover 4%5

(onditions for H/ initiationithout Hierarchical (ell Structure H(S /I*RC > ;!?S*58

23GT 8 hoMarin4n5 ? umtsAd6ust4n5 4'5 AND R=9ev>N(994n5 8 R=9evMin(4n5 ? Ma= 4&$ 2a5 4#5

"it# t#e definitions8

23GT 40athloss in servin cell s5 B 40athloss in neih"our cell n5 4E5

F Min 4 MsT=2ma=4s5$ 24s5 5 - R9>D9 - 2R>(>D I

- F Min 4 MsT=2ma=4n5$ 24n5 5 - R=9ev>N(994n5 I

2a MsT=2ma=4n5 B 24n5 4C5

ith Hierarchical (ell Structure H(S /I*RC > (R'*58

23GT 8 hoMarin4n5 ? umtsAd6ust4n5 4'5 AND R=9ev>N(994n5 8 R=9evMin(4n5 ? Ma= 4&$ 2a5 4#5

AND 2riority9ayerN(ell4n5 2riority9ayer4s5 4J5



)m0erative H/ 415

Aim of this ;merency H/< Use UMTS cells to save a call in areas+here there is no com0lete GSM coverae

GSM cell 1 GSM cell %


2o+er 3udet H/

)m0erative H/



UMTS cell %

UMTS cell 1



)m0erative H/ 4%5

(onditions for H/ initiation

'%lin) '?5 or 1o"nlin) 1?5 7uality is too lo", or '? or 1? level is too lo" or MS&'* +(S distance is too large

!or RS(2 re0ortin )nclusion of UMTS cells in T(9 if Recei$ed le$el RSCP5 of 'M(S cell larger t#an t#e minim.m RSCP t#res#old8

R=9ev>N(994n5 8 R=9evMin(4n5 ? Ma= 4&$ 2a5 4K5

!or c*No re0ortin )nclusion of UMTS cells in T(9 if Recei$ed 9.ality *c&No5 of 'M(S cell larger t#an t#e minim.m *c&No t#res#old8

R=@ual>N(994n5 8 umtsMincNo4n5 ? Ma= 4&$ 2a5 4L5

"it# t#e follo"ing definitions8 2a MsT=2ma=4n5 B 24n5 4C5



R=9ev>N(994n5 recei$ed le$el RSCP5 of neig#bo.r cell n ;11 or (115 "#ic# is meas.red byt#e MS&'* and re%orted by MS&'* to t#e +(S=

R=@ual>N(994n5 recei$ed -.ality *c&No5 of ;11 neig#bo.r cell n "#ic# is meas.red by t#eMS&'* and re%orted by MS&'* to t#e +(S=



Service "ased Handover 415

Aim Handover certain services 4e.. data5 to UMTS$ ,ee0 certain services 4e.. voice5 +ithin GSM.



2o+er 3udet H/

)m0erative H/



UMTS cell %

UMTS cell 1

UMTS cell C



Service "ased Handover 4%5

) ;Service Handover< sent on A-interface 4MS( -8 3S(5

!SSIGNM*N( R*9'*S( /!N1@*R R*9'*S(

I* set to 6/ando$er to '(R!N shall not be %erformed78

The MS*U is ,e0t +ithin the GSM system. No handover to UMTS. I=e=, t#e +(S generates a (C? "it#o.t 'M(S target cells=

I* set to 6/ando$er to '(R!N should not be %erformed78

The MS/UE is kept within the GSM system as long as possible. I=e=, only 6im%erati$e7 #ando$ers to 'M(S are %erformed, and only if no GSM cells are a$ailable to sa$e t#e call= GSMs.blist is ran)ed abo$e t#e 'M(Ss.blist=

I* set to 6/ando$er to '(R!N should be %erformed78

The MS*U is handed over to UMTS as soon as 0ossi"le. I=e=, t#e +(S initiates a 6s.fficient 'M(S co$erage /7= ;or im%erati$e /, t#e 'M(Ss.blist is ran)ed abo$e t#e GSMs.blist=



Directed Retry from GSM to UMTS 415

Aim - Use UMTS cells for call setu0 if GSM servin cell is conested - Service "ased Handover certain services 4e.. data5 to UMTS



2o+er 3udet H/

)m0erative H/



UMTS cell %

UMTS cell 1

UMTS cell C



Directed Retry from GSM to UMTS 4%5

(onditions for H/ initiation - conestion of GSM ser$ing cell and no GSM neig#bo.r cell a$ailable - or I* 6Service Handover 7 is set to 6Handover to UMTS should "e 0erformed7

!or RS(2 re0ortin )nclusion of UMTS cells in T(9 if Recei$ed le$el RSCP5 of 'M(S cell larger t#an t#e minim.m RSCP t#res#old8

R=9ev>N(994n5 8 R=9evMin(4n5 ? Ma= 4&$ 2a5 4K5

!or c*No re0ortin )nclusion of UMTS cells in T(9 if Recei$ed 9.ality *c&No5 of 'M(S cell larger t#an t#e minim.m *c&No t#res#old8

R=@ual>N(994n5 8 umtsMincNo4n5 ? Ma= 4&$ 2a5 4L5

"it# t#e follo"ing definitions8 2a MsT=2ma=4n5 B 24n5 4C5



R=9ev>N(994n5 recei$ed le$el RSCP5 of neig#bo.r cell n ;11 or (115 "#ic# ismeas.red by t#e MS&'* and re%orted by MS&'* to t#e +(S=

R=@ual>N(994n5 recei$ed -.ality *c&No5 of ;11 neig#bo.r cell n "#ic# is meas.red byt#e MS&'* and re%orted by MS&'* to t#e +(S=



GSM to UMTS Handover * Summary

!le=i"le H/ alorithm$ 0re0ared for different customer aims$es0ecially

- H/ to UMTS as soon as 0ossi"le or

- H/ +hen the UMTS 0athloss is smaller than the GSM 0athloss

- H/ to hih 0riority UMTS cells 4Hierarchical (ell Structure H(S5

UMTS cells can "e used to save a call in areas +ith lo+ GSM coverae

Service "ased H/ and Directed Retry

- Handover of certain services 4e.. data5 to UMTS- :ee0 certain services 4e.. voice5 +ithin GSM



3ac, U0 Slides

Additional Information:

(ell Ran,in in Taret (ell 9ist 4T(95

!urther inter-system messae flo+s

- Directed Retry from GSM to UMTS

- H/ from UMTS to GSM

2arameters * A""reviations




(ell Ran,in in Taret (ell 9ist 4T(95ithout Hierarchical (ell Structure H(S /I*RC > ;!?S*5

for RSCP re%orting8 ;11&(11 cell "it# larest RS(2 on to%

for *c&No re%orting8 ;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA

(11 cell "it# largest RSCP is ran)ed on to% of (11 s.blistA

;11 s.blist is ran)ed abo$e (11 s.blist=ith Hierarchical (ell Structure H(S /I*RC > (R'*5

Increases t#e fle:ibility for t#e o%erator to direct traffic to certain 'M(S cells=

for RSCP re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%A

cells "it# e-.al Priority?ayerNCell are ran)ed according to RS(2=

for *c&No re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%=

cells "it# e-.al Priority?ayerNCell are ran)ed according to8

;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA

(11 cell "it# #ig#est RSCP is ran)ed on to% of (11 s.blistA

;11 s.blist is ran)ed abo$e (11 s.blist=



2o+er 3udet Handover


Cells "it# t#e larest ;3etter (ell alue< 3(4n5 are ran)ed on to% of t#e (C?=

3(4n5 23GT4n5 B hoMarin4n5 - umtsAd6ust4n5



Cell ran)ing according to8

2riority9ayerN(ell4n5 cells "it# smallest 2riority9ayerN(ell4n5 on to% of t#e (C?=

3(4n5 cells "it# e-.al Priority?ayerNCellare ran)ed according to 3(4n5



)m0erative H/


for RSCP re%orting8 ;11&(11 cell "it# larest 3( on to% of 'M(Ss.blist

for *c&No re%orting8 ;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA (11 cell "it# largest RSCP is ran)ed on to% of (11 s.blistA ;11 s.blist is ran)ed abo$e (11 s.blist to form 'M(Ss.blist=



for RSCP re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%A cells "it# e-.al Priority?ayerNCell are ran)ed according to 3(=

for *c&No re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%=

cells "it# e-.al Priority?ayerNCell are ran)ed according to8 ;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA (11 cell "it# #ig#est RSCP is ran)ed on to% of (11 s.blistA ;11 s.blist is ran)ed abo$e (11 s.blist=

(om0lete T(9 4+ith and +*o H(S5 GSM-su"list is ran)ed a"ove UMTS-su"list=



Directed Retry from GSM to UMTS


for RSCP re%orting8 ;11&(11 cell "it# larest 3( on to% of 'M(Ss.blist

for *c&No re%orting8 ;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA (11 cell "it# largest RSCP is ran)ed on to% of (11 s.blistA ;11 s.blist is ran)ed abo$e (11 s.blist to form 'M(Ss.blist=



for RSCP re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%A cells "it# e-.al Priority?ayerNCell are ran)ed according to 3(=

for *c&No re%orting8 ;11&(11 cell "it# smallest 2riority9ayerN(ell4n5 on to%= cells "it# e-.al Priority?ayerNCell are ran)ed according to8 ;11 cell "it# larest c*No is ran)ed on to% of ;11 s.blistA

(11 cell "it# #ig#est RSCP is ran)ed on to% of (11 s.blistA ;11 s.blist is ran)ed abo$e (11 s.blist=

(om0lete T(9 "it# and "&o /CS5 de%ends on I* 6Service Handover 78

/ando$er to 'M(S should "e %erformed8 'M(Ss.blist ran)ed a"ove GSMs.blist /ando$er to 'M(S should not "e %erformed8 'M(Ss.blist ran)ed "elo+ GSMs.blist I* 6Ser$ice /ando$er missing at !interface8 'M(Ss.blist ran)ed "elo+ GSMs.blist



Directed Retry from GSM to UMTS


"TS !G MSC RNS

$-Ha%&'(er-Re)*+re&

I*-Re,'cat+'%-Re)*et

I*-Re,'cat+'%Re)*et-$c$-Ha%&'(er-C'//a%&

RI-HO-C'//a%&

I*-Re,'cat+'%-Detect RRC-HO-C'/0,ete

I*-Re,'cat+'%-C'/0,ete$-C,ear-C'//a%&

$-C,ear-C'/0,ete

MS1U2 MS1U2"SC

Mea. Re0'rt HO C'%&. I%&+cat+'%

F'rce& HO Re)*et$-$+%/e%t-Re)*et

$-$+%/e%t-Fa+,*re

HO $cce




UMTS to GSM handover

MS1U2 MS1U2RNS !G#MSC "TS

I*-Re,'cat+'%-Re)*+re&$-Ha%&'(er-Re)*et

$-Ha%&'(er-Re)*et-$cI*-Re,'cat+'%-C'//a%&

RRC-HO-C'//a%&RI-HO-$cce

$-Ha%&'(er-Detect

RI-HO-C'/0,ete$-Ha%&'(er-C'/0,ete

I*-Re,eae-C'//a%&

I*-Re,eae-C'/0,ete

"SC

Cha%%e, $ct+(at+'%-$c

Cha%%e, $ct+(at+'%

Ha%&'(er Detect+'%

Mea. Re0'rt



2arameters * A""reviations 415

CG (#ird Generation

AD( (#is data base obect contains attrib.tes for t#e neig#bo.r cell relations#i% bet"een

a GSM ser$ing cell and a GSM neig#bo.r cell=

1ata base obect containment tree8 +SS;'NC(IN!? & +(SM & +(S & !1BC

AD(CG (#is data base obect contains attrib.tes for t#e neig#bo.r cell relations#i%

bet"een a GSM ser$ing cell and an 'M(S neig#bo.r cell=

1ata base obect containment tree8 +SS;'NC(IN!? & +(SM & +(S & !1BCG

3(4n5 +etter Cell @al.e of neig#bo.r cell n= 1efinitions8

for GSM neig#bo.r cell8 +C@n5 8> 23GT4n5 B hoMarin4n5

for 'M(S neig#bo.r cell8 +C@n5 8> 23GT4n5 B hoMarin4n5 B umtsAd6ust4n5

3RJ.& +asic Release =0 of Siemens GSM R!N5

3S( +ase Station Controller GSM5

3S( (#is data base obect contains +SC attrib.tes= 1ata base obect containment tree8

+SS;'NC(IN!? & +SC



2arameters * A""reviations 4%5

3TS +ase (ranscei$er Station GSM5

3TS (#is data base obect contains +(S attrib.tes= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S

D9 1o"n ?in) +(S D MS&'*5

c*No Recei$ed energy %er c#i% di$ided by t#e %o"er density in t#e band .sed for '(R!N

;11 cell meas.rements5

!DD ;re-.ency 1i$ision 1.%le:

fddRe0ortin@uantity t#is %arameter defines data base attrib.te8 fddRe%9ty5 "#et#er t#e

MS&'* s#all re%ort t#e meas.rement -.antity RSCP or *c&No of ;11 neig#bo.r cells5 to

t#e +(S= 1ata base obect containment tree8+SS;'NC(IN!? & +(SM & +(S & fddRe%9ty



2arameters * A""reviations 4C5

GSM Global System for Mobile Comm.nications

HAND (#is data base obect contains #ando$er s%ecific attrib.tes= 1ata base obect

containment tree8 +SS;'NC(IN!? & +(SM & +(S & /!N1

H(S8 /ierarc#ical Cell Str.ct.re

H)R( (#is attrib.te *nable/ierarc#icalCell/o5 is .sed to enable&disable t#e /ierarc#ical

Cell Str.ct.re H(S5A i=e= it enables&disables t#e .sage of %riority layers P?, P?NC5 for#ando$er= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & /!N1 & /I*RC



2arameters * A""reviations 4'5

H/ /ando$er

H/9TH9D94s5 t#is %arameter defines t#e 1? recei$ed le$el t#res#old

#o?o"er(#res#old?e$1?5 for 1? ?e$el /ando$er= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & /!N1 & /?(/?@1?

H/9TH9U94s5 t#is %arameter defines t#e '? recei$ed le$el t#res#old

#o?o"er(#res#old?e$'?5 for '? ?e$el /ando$er= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & /!N1 & /?(/?@'?



2arameters * A""reviations 4#5

hoMarin4n5 ;/ando$er Margin7 %arameter data base attrib.te8 /M5 "#ic# is .sed to

%re$ent #ando$er oscillations bet"een t#e ser$ing GSM cell and neig#bo.r cell n GSM or'M(S neig#bo.r cell5= 1ata base obect containment trees8

+SS;'NC(IN!? & +(SM & +(S & !1BC & /M for GSM neig#bo.rs5

+SS;'NC(IN!? & +(SM & +(S & !1BCG & /M for 'M(S neig#bo.rs5

) Information *lement

MS Mobile Station GSM5

MS*U 1.almode Mobile Station "#ic# s.%%orts bot# GSM and 'M(S



2arameters * A""reviations 4E5

MS( Mobileser$ices S"itc#ing Center

MsT=2ma= ma:im.m R; (< %o"er an MS&'* is %ermitted to .se in a cell= 1ata base obectcontainment trees8 for GSM cells8+SS;'NC(IN!? & +(SM & +(S & Ms(:Pma:GSM+SS;'NC(IN!? & +(SM & +(S & Ms(:Pma:D(S+SS;'NC(IN!? & +(SM & +(S & Ms(:Pma:2(S

for 'M(S ;115 cells8+SS;'NC(IN!? & (G(!DD & Ms(:Pma:UMTS for 'M(S (115 cells8+SS;'NC(IN!? & (G(TDD & Ms(:Pma:UMTS

MsT=2ma=4n5 ma:im.m R; (< %o"er an MS&'* is %ermitted to .se in a neig#bo.r cell n=

MsT=2ma=4s5 ma:im.m R; (< %o"er an MS&'* is %ermitted to .se in t#e ser$ing cell s=

Node3 'M(S base transcei$er station



2arameters * A""reviations 4J5

23GT4n5 Po"er +.dget .sed by t#e #ando$er algorit#m for a Po"er +.dget #ando$er to

t#e 6better cell7 n= 1efinition8 P+G(n5 8> E Min Ms(:Pma:s5, Ps5 5 R<?*@31? PFR3C31

E Min Ms(:Pma:n5, Pn5 5 R<?*@3NC*??n5

24n5 ma:im.m (< %o"er ca%ability of t#e MS&'* in t#e neig#bo.r cell

24s5 ma:im.m (< %o"er ca%ability of t#e MS&'* in t#e ser$ing cell

2riority9ayer4s5 Priority ?ayer of t#e ser$ing cell s data base attrib.te8 P?5 "#ic# is .sed

for Po"er +.dget / if /ierarc#ical Cell Str.ct.re /CS5 is enabled /I*RC > (R'*5= 1ata

base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & /!N1 & P?

2riority9ayerN(ell4n5 Priority ?ayer of t#e Neig#bo.r Cell n data base attrib.te8 P?NC5"#ic# is .sed for Po"er +.dget / if /ierarc#ical Cell Str.ct.re /CS5 is enabled /I*RC >

(R'*5= (#is %riority layer is also .sed "#en ran)ing t#e 'M(S target cells for a 6S.fficient

'M(S co$erage /7= 1ata base obect containment trees8

;or GSM cells8 +SS;'NC(IN!? & +(SM & +(S & !1BC & P?NC

;or 'M(S cells8 +SS;'NC(IN!? & +(SM & +(S & !1BCG & P?NC



2arameters * A""reviations 4K5

2R>(>D difference bet"een t#e ma:im.m do"nlin) R; %o"er %ermitted in t#e GSM

ser$ing cell and t#e act.al do"nlin) %o"er d.e to t#e +SS %o"er control=

RAN Radio !ccess Net"or)

RN( Radio Net"or) Controller 'M(S5

RNS Radio Net"or) S.bsystem 'M(S5

RS(2 Recei$ed Signal Code Po"er .sed for '(R!N ;11 or (11 cell meas.rements5

R9>D9 GSM ser$ing cell recei$ed le$el do"nlin)5 meas.red by t#e MS&'*=

R9>U9 GSM ser$ing cell recei$ed le$el .%lin)5 meas.red by t#e +(S=



2arameters * A""reviations 4L5

R=9evMin4n5 defines t#e minim.m recei$ed le$el "#ic# is re-.ired to %erform a #ando$er

to t#e neig#bo.r cell n GSM neig#bo.r cell5=1ata base obect containment trees8

+SS;'NC(IN!? & +(SM & +(S & !1BC & R<?*@MIN

R=9evMin(4n5 defines t#e minim.m recei$ed le$el RSCP5 "#ic# is re-.ired to %erform a

#ando$er to t#e neig#bo.r cell n 'M(S neig#bo.r cell5=

1ata base obect containment trees8

+SS;'NC(IN!? & +(SM & +(S & !1BCG & R<?*@MINC

R=9ev>N(994n5 recei$ed le$el of neig#bo.r cell n GSM or 'M(S cell5 "#ic# is meas.red

by t#e MS&'* and re%orted by MS&'* to t#e +(S=

R=@ual>N(994n5 recei$ed -.ality *c&No5 of ;11 neig#bo.r cell n "#ic# is meas.red by

t#e MS&'* and re%orted by MS&'* to t#e +(S=




2arameters * A""reviations 41&5

T(9 (arget Cell ?ist

TDD (ime 1i$ision 1.%le:

TGT!DD (#is data base obect contains attrib.tes of t#e 'M(S ;115 cell= 1ata base obect

containment tree8 +SS;'NC(IN!? & (G(;11

TGTTDD (#is data base obect contains attrib.tes of t#e 'M(S (115 cell= 1ata base obect

containment tree8 +SS;'NC(IN!? & (G((11

U 'ser *-.i%ment 'M(S mobile station5

U9 '% ?in) MS&'* D +(S5

UMTS 'ni$ersal Mobile (elecomm.nication System

umtsAd6ust4n5 t#is attrib.te is .sed for t#e Po"er +.dget / 6better cell /75 from GSM

to 'M(S= (#is intersystem offset data base attrib.te8 '!1B5 is added to t#e HoMarin4n5 in

order to #a$e t#e fle:ibility to ad.st t#e RSCP le$el of t#e 'M(S neig#bo.r cell n5 to t#e 1?

recei$e le$el of t#e GSM ser$ing cell= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & !1BCG & '!1B




2arameters * A""reviations 4115

umtsMincNo4n5 defines t#e *c&No t#res#old data base attrib.te8 'M*CN5 "#ic# is

re-.ired to %erform an 6im%erati$e /7 to a ;11 neig#bo.r cell n5 if t#e %arameter fddRe0ortin@uantity is set to 6*c&No re%orting7=

1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & !1BCG & 'M*CN

umtsSuffcNo4n5 defines t#e 6s.fficient7 *c&No t#res#old data base attrib.te8 'S*CN5

abo$e "#ic# t#e +(S initiates a 6S.fficient 'M(S co$erage /7 to a ;11 neig#bo.r cell n5 if

t#e %arameter fddRe0ortin@uantity is set to 6*c&No re%orting7=

1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & !1BCG & 'S*CN

umtsSuffRS(24n5 defines t#e 6s.fficient7 RSCP t#res#old data base attrib.te8 'SRSCP5

abo$e "#ic# t#e +(S initiates a 6S.fficient 'M(S co$erage /7 to a (11 neig#bo.r cell n5

or to a ;11 neig#bo.r cell n5 if t#e %arameter fddRe0ortin@uantity is set to 6RSCPre%orting7= 1ata base obect containment tree8

+SS;'NC(IN!? & +(SM & +(S & !1BCG & 'SRSCP



2arameters * A""reviations 41%5

UTRAN 'M(S (errestrial Radio !ccess Net"or)

c8Hsc#ae2HaHsystems3for.mH/H/3GSM'M(S3systemsfor.m=%%t

ho gsm-umts systems forum

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