RAN2489 Short

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1 © Nokia Siemens Net works 2013

For internal use MBB CS Network Engineering / Bartosz Bieda / 31.12.20121 © Nokia Siemens Net works 2013

RAN2489 Carrier Bandwidth 3.8 MHz

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For internal use MBB CS Network Engineering / Bartosz Bieda / 31.12.2012

• It is beie!ed t"at #SM$00 and #SM1%00 s&stems

ong time

• +e,o&ment o* t"e -MS s&stems in t"e $00Mz a

not mean t"e immediate re,a'ement o* #SM s&st

• -MS wi 'oe)ist wit" #SM in t"e $00Mz and 1%

in t"e *(t(re

• -MS de,o&ment in t"e $00Mz band gi!es bette

C+M at 2100Mz

• C+M$00 o**ers a 'onsiderab& better 'ost e**i'i

4,erators t"at are o**ering C+M ser!i'es in r(r

• %50Mz band is aso taken (nder 'onsideration.

-MS wi 'oe)ists wit" ot"er C+M s&stems

IntroductionRear!in" scenario o#er#iew

Rear!in" Idea

•6e*arming in ess t"an 5Mz o* #SMs,e'tr(m is a reait& wit" NSN ,ro*essiona

ser!i'es• 4,timization te'"ni(es ens(re im,a't on

ser!i'e (ait& is minimized on t"e red('ed

$00Mz s,e'tr(m wit" a "ig"er 'arrier

densit&• So(tion gi!es ma)im(m ,er*orman'e

7in'reased data t"ro(g",(t8 wit" best and

*e)ibe s,e'tr(m reso(r'es (tiization

N$N Rear!in" conce%t

GSM

900MHz

WCDMA

900MHz

Co#era"e ater &

( u a l i t )

Ca%acit)

Networ* with i!%ro#eds%ectral eicienc)

+oda),snetwor*

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IntroductionMoti#ation and Beneits

+a-le o Co

Beneits

Brie escri%tion

• it" t"is *eat(re it is ,ossibe to see't 'arrier bandwidt" *or

C+M o,eration as *oowing 7'arrier B s(eezing

89

o 6) B o,tions o* :.2Mz or :.0Mz or 3.%Mz

o ) B o,tions o* :.%Mz or :.;Mz or :.:Mz• "is wi ,ro!ide new re*arming o,tions ,ossibiit& o* 3.%Mz<

:.0Mz and :.2Mz 'arrier bandwidt"s. "e o,erator 'an swit'"

*rom one o,tion to anot"er b& (sing t"e same and S.

• "is *eat(re makes re*arming m('" more *e)ibe 7o,erator s,e'i*i'8

'om,ared to t"e standard =e)i C+M BS so(tion< "owe!er to

(tiize t"e en"an'ement t"e #SM and t"e -MS base stations

m(st be 'osited.

• In t"e 'ase o* d(a 'arrier in %50/$00 band t"is *eat(re wi ,ro!ide9

o >ossibiit& to set(, two 'arriers at as&mmetri' B 7i.e :.2Mz B*or 1st 'arrier and 3.%Mz B *or 2nd 'arrier8.

o Set(, two o!era,,ing 'arriers b& (sing 'on*ig(rabe 'arrier s,a'ingo,tion9

• aows to set (, 'arrier s,a'ing9 :.2Mz< :.0Mz< 3.%Mz

• "e minim(m 'arrier s,a'ing is 3.%Mz

• "ere is no ,ossibiit& to set(, more t"an two 'arriers

o +C 'o(d be set(, wit"o(t an& additiona /S re(irement

on& a,,ro,riate i'enses are re(ired

• NSN =e)i M(tiradio enabes t"e most *e)ibeo,erator re(irement9

o w"en o,erator?s *re(en'& s,e'tr(m dwit" t"e 3.%Mz C+M de,o&ment.

o ,ro!ides *e)ibiit& o* in'reasing C+M

tra**i' starts red('ing 7e.g. *rom 3.%M

• =e)ibe re*arming enabes "ig" e**i'ien'& *eat

S+> in $00 Mz

C+M

f W

+@ :.%Mz

B

+@ :.;Mz B

+@ :.:Mz B

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IntroductionRAN2489

• 4,erator "as to (se standard B *itering w"i'" is9

• +ownink9 4.8MHz • -,ink9 4.2MHz

• C+M A#SM 'arrier s,a'ing m(st e(a< or be "ig"er t"an 2.2Mz

• =or e)am,e< w"en t"e o,erator "as %.:Mz band it ma& de,o&9

o 1)C+M :.2Mz 'arrier and 1$)#SM 'arriers

• B *itering 'an be narrower< e(a to9

• +ownink 4./MHz • -,ink9 3.8MHz

• C+M A#SM 'arrier s,a'ing m(st e(a< or be

• >ossibiit& o* two 728 additiona BCC 'arriers w"

• S,e'tr(m is better (tiized

01a!%le o reuenc) %lan or 3.8 Re

6N2:%$Not a'ti!ated

6N2:%$

'ti!ated

f GSM TCH 2.2Mz2.0Mz

C+M:.;Mz / 3.8MHz

01a!%le o reuenc) %lan or 4.2 Rear!in" %re#ious solution

f GSM TCH

f GSM BCCH

f [MHz]

2.:Mz2.2Mz

C+M:.%M"z / 4.2 MHz

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IntroductionRAN2489

• 4,erator "as to (se standard B *itering w"i'" is9

• +ownink9 4.8MHz • -,ink9 4.2MHz

• C+M A C+M 'arrier s,a'ing is e(a< or "ig"er t"an< 5.0Mz

• =or e)am,e< w"en t"e o,erator "as %.:Mz band it ma& de,o&9

o No +CS+> ,ossibiit& in %.:Mz

• B *itering 'an be narrower< e(a to9

• +ownink 4./MHz • -,ink9 3.8MHz

• C+M A C+M 'arrier s,a'ing is t(nabe sta

• >ossibiit& o* +CS+> in %.:Mz bandwidt"

• S,e'tr(m is better (tiized

01a!%le o reuenc) %lan or narrower

6N2:%$Not a'ti!ated

6N2:%$

'ti!ated

C+M:.%M"z / 4.2 MHz

f [MHz]

C+M:.%M"z / 4.2 MHz

5.0Mz

C+M:.;Mz / 3.8MHz :

3.%Mz

01a!%le o reuenc) %lan or C5H$6A in %re#ious solution

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7CMA

r b(**er

r 'e

MS1

MS2

-E'eedge MS3

MS:

$M intererence #ar) on %athloss

&%lin* scenario o#er#iewRAN2489

+a-le o Co

$cenario descri%tion

• In re*arming *or -,ink< BS 6) B 'o(d be set to 3.%Mz

• MS?s 'an be o'ated e!er&w"ere t"ere*ore t"e inter*eren'es '"anges

d&nami'a&

• Inside b(**er zone< #SM '"annes t"at o!era, wit" C+M 'an not be (sed

• B(**er zone radi(s needs to be e!a(ated 7it e(as t"e distan'e between 'o

'"anne C+M and #SM BS w"i'" im,a't o* inter*eren'es 'an be nege'ted8

• it"in t"e b(**er zone ada'ent #SM '"annes wit" 'arrier se,aration 2.0Mz

and "ig"er 'an be (sed

• orst 'ase s'enario 7:8 is w"en t"e -E is at t"e 'eedge and MS

7i.e MS: and MS38 is in t"e same 'e

&0 +1 B7MHz

Inter*eren'es*rom #SM at2.0Mz 'arriers,a'ing

-@ C+M'arrier inter*eredb& #SM 'arriers7t"e signa "asbeen s(mmed8

BS 6) B3.%Mzinter*eren'e*rom ada'ent'"annesatten(ated

a

'

6ossi-le Cases

1) GSM in-band and out-of-band interferene!" out

2) GSM out-of-band interferene" out of $ri%ar& e

) GSM out-of-band interferene" e'' ed*e in t(e $

+) GSM out-of-band interferene" t(e !a%e e'' but

Filterin" ad:acent intererences

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ownlin* scenario o#er#iewRAN2489

+a-le o Co

$cenario descri%tion

• =or downink< t"e BS ) B 'an be '"anged to :.; 7It is ,ossibe to set aso:.:8

• Inter*eren'es 'ome *rom ,rimar& and ot"er #SM BSes

• "e b(**er zone radi(s needs to be e!a(ated 7inside zone #SM '"annes t"at

o!era, wit" C+M 'an not be (sed8< t"e main ,arameter is ,at"oss

• it"in b(**er zone ada'ent #SM '"annes wit" 'arrier se,aration 2.0Mz and

"ig"er 'an be (sed

• orst 'ase s'enario 738 o''(rs w"en t"e -E is in t"e ,rimar& 'e and re'ei!es

inter*eren'e *rom t"e same 'e

• Narrower B degrades S+> "ig" t,(t ser!i'es< it m(st be (se wit" 'a(tion

6ossi-le Cases

1) GSM in-band and out-of-band interferene!" ou

2) GSM out-of-band interferene" out of $ri%ar& e

) GSM out-of-band interferene" in $ri%ar& e''

6rotectin" ad:acent channels suerin" ro!r b(**er

r 'e

BS1

BS2

-E

$M intererence #ar) on %athloss

BSn

B+$ +1 B74.4MHz

Inter*eren'es*rom #SM at2.2Mz 'arriers,a'ing

+@ C+M'arrier inter*erredb& #SM 'arriers

-E 6) B 5Mzinter*eren'e *romada'ent'"annes ,artia&atten(ated

a

'

+e,ends on t"e 'on*i

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% © Nokia Siemens Net works 2013


01e!%lar) coni"uration ; its e1%ectationsConi"uration setu%

+a-le o Co

Freuenc) %lan

01%ectations and outco!es<

• I* o,erator "as s(**i'ient band< S>F wit" :2Mb,s 'an be enabed

• 4!era #SM ,er*orman'e s"o(d "a!e !er& sma or no im,a't (st as be*ore

re*arming 7dro, 'a rates s"o(d sta& on t"e same e!e89

o w"en o,timized t"ere is no im,a't on C dro, ratio<

o w"en o,timized t"ere is no im,a't on S++C dro, ratio

• "is 'on*ig(ration is e),e'ted to "a!e "ig" ,er*orman'e *or C+M end(sers

• 'ti!ation o* +(aCe S+> wit" tig"tened 'arrier s,a'ing9

o +C (ser mig"t "a!e sma im,a't on CGI d(e to 'arrier o!era,

o Carrier s,a'ing de'rease doesn?t im,a't on traditiona 7one 'arrier8 (sers

o Session a!erage t"ro(g",(t in'reased 76NC1%D$b8 d(e to +C so(tion

7meas(red ,eak t"ro(g",(t o* 2:.2 Mb,s 8

• Bene*it9 (, to two 728 additiona BCC a!aiabe 7o!era in'rease o* C tra**i'8

• Signi*i'ant CS and >S tra**i' growt" in C+M$00

• #reater reso(r'es a!aiabiit& to meet *(t(re tra**i' growt" ,otentia at $00Mz• >ossibe risks and ,robems9

o #SM (ait& wi be degraded 76HB+IN#44+=IE@+ in'rease8 in t"e 'ore area

7w"ere +C$00 is (sed8 A so(tion is (,grade to *eederess 'on*ig(ration 7i.e. s"are

o* same 6= mod(e wit" C+M8 or de'rease C+M B

o 6e*arming in t"is s'enario is a trade o* ,er*orman'e between C+M and #SM

7based on o,erator?s re*arming strateg&89

o i* #SM *re(en'& owering is reasonabe t"ere wi be sma or no im,a't on dro,

'a rates 7"owe!er C+M ,er*orman'e s(**ers8

o i* #SM *re(en'& owering is aggressi!e t"ere wi signi*i'ant im,a't on dro, 'a

rates 7#SM ,er*orman'e s(**ers in *a!or o* C+M ,er*orman'e8

7CMA< F$M=0

$M< 0$MB=C

$00

$00

#$00

• CooC+Mo#SM wi

•#SM 'oo6e(se9 o>ower9

•C+M 'oo2 'arriero+(aCeo;0 (seoCon*ig(r

FMIM4 F;:G

2.2Mz 3.%Mz

o!era, 0.: Mz11.:Mz

$ite coni"uration

C+M+@9 :.%M"z-@9 4.2 MHz

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$ © Nokia Siemens Net works 2013


Acti#ation !anualRAN2489

• 6N2:%$ is a'ti!ated *rom BSSM !ia B>= ,ara

rxBandwidth in 'ommissioning ,"ase

• BSSM '"e'ks w"et"er see'ted 6=M/66 s(,

e!e or not. C"e'k is done b& B>= ,ro,ertiesSupport.Of.Rx.Bandwidth.List and

Support.Of.Tx.Bandwidth.List9

• I* ,ro,ert& e)ists< t"en 6=M/66 s(,,orts 'o

• i* ,ro,ert& does not e)ist< t"en 6=M/66 doe

)/6) B e!e

• S(,,orted 6) B9 :.2< :.0< 3.% 76N2:%$8

• S(,,orted ) B9 :.%< :.;< :.: 76N2:%$ F CN5

• "en t"e o,erator does not '"ange )/6) B e

and/or rxBandwidth s"a be e*t em,t&

• digita *iters< (,ink and downink< "a!e to be

'orres,onding 'arrier is enabed. Carriers m(st b

'on*ig(ration is '"anged.

• Ea'" '"ange o* *iter B re(ires BS reset.

• =HC< =H+< =+ s(,,orts 6N2:%$/CN50%%

• 4t"er radio mod(es 7#SM bands8 wi s(,,ort 6

CN53;1 wi be im,emented

• o s(,,ort *( *(n'tionait& 6N2:%$ t"ree se,a

Coni"uration setu% or RAN2

5.0

:.%

:.;

:.:

5.0 :.2

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Acti#ation !anual0na-lin" 3.8MHz Carrier B7 and Carrier $e%aration

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Acti#ation !anual6ossi-le errors

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RAN2489 Short

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