Module 3 - Refarming

8/12/2019 Module 3 - Refarming

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Refarming

GSM capacity and frequency re-planningWorkshop


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Content

Introduction

Refarming planning in 2G

Features used after refarming

Tools - ptimi!er

"i#e network result


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IntroductionAim of refarming projects

S !enefits


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IntroductionAim of refarming projects

&ro#iding 'ig' speed data in t'e w'ole network wit'()TS21**+()TS,**

()TS,** planning guidelines on I)S

(,** $.)/! is not discussed in t'is material

)aintaining GS),** 0oS after refarming


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NSN (niue 3enefits

&ro#en %2)/! 3andwidt' support

Refarming specific ser#ices suc' asoptimi!ation4 consulting

Net5ct ptimi!er forre#olutionar6 fast and accurate

planning 5d#anced GS) spectrum

efficienc6 functionalit6 7like8F95 and S9:

Full6 fledged 2G+$G interworkingfunctionalities

9ost efficient

53out $ times 3etter co#erage 9apacit6 optimi!ed wit' %2 )/!

3andwidt'

Net5ct supported

Terminals widel6 a#aila3le

-"#$

WC%MA&''

WC%MA()''

GSM spectrum

efficiency SWGSM

Total9ostofwners'ip7T9

:

S WC%MA Refarming Solution

Introduction

S !enefits


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Refarming planning in (GSpectrum allocation for refarming

*one setup

(G net+ork analysis and forcast

(G replanning


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Refarming planning process

Step1 - Spectrum allocation to 2G

T'e part of a#aila3le GS) freuenc6 3and is reallocated to (,**

Step2 - =one setup

(,** area is defined toget'er wit' 3uffer !one

Step$ >2G network anal6sis

T'e aim is to collect all t'e information4 w'ic' reuired to make proper 2G re-planning

Step% > 2G re-planning?ot' capacit6 and freuenc6 re-planning is done 36 t'is acti#it6

If proper 2G re-planning is not possi3le 7Step%:4 t'en Step1 and+or

Step2 can 3e repeated wit' modified setup


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Spectrum allocation for refarmingGSM and ,MS !ands

Separation required !et+een GSM&'' and ,&''

Strategy for remo.ing frequency !and

Remained GSM !and+idth after refarming


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Spectrum selection for refarmingGSM !and

@'en ()TS,** is rolled out in radio freuenc6 3andpre#iousl6 used 36 GS)4 t'e utili!ation strateg6 of t'is 3and

needs to 3e c'anged

T'e ta3le 3elow s'ows t'e freuenc6 3and of &-GS) and A-GS)


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Spectrum selection for refarming,MS !ands

T'e $G&& TS 21*% and TS 21*1 specif6 t'e 1* freuenc6 3ands for

()TS co#ering essentiall6 all eBisting cellular 3ands w'ere -)/! carrierfits T'e ()TS,** is t'e ?and CIII and it was added during 2**

T'e different freuenc6 #ariants use eBactl6 t'e same $G&& standardeBcept for differences in RF parameters T'erefore4 t'e ()TS,** supportst'e same ser#ices and t'e same peak data rates as ()TS21** #ersion

/perating 0and otal Spectrum ,plink 1M234 %o+nlink 1M234

?and I 2 B ;* )/! 1,2* - 1,.* 211* - 21


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Spectrum selection for refarmingSeparation !et+een GSM&'' and ,MS&''

If ()TS,** is deplo6ed too tig't in t'e GS),** areas t'en t'e pro3a3ilit6 to 'a#e inter-s6stem

interference increases T'e $G&& 'as studied t'e interference 3etween t'e GS),** and ()TS,**s6stems and t'e t'eoretical conclusions are t'at t'e ()TS,** and GS),** macro cells deplo6ed in

ur3an4 su3-ur3an and rural areas can co-eBist wit' 2. )/! carrier separation 3etween t'e middle of

()TS ,** carrier and t'e nearest GS) ,** carrier

For t'e simulations4 R5N @G% agreed on t'e following two t'res'old criteria for t'e co-eBistence of()TS,** and GS),**E


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Spectrum selection for refarmingSeparation !et+een GSM&'' and ,MS&''

In NSN FleBi ?TS t'ere is a feature w'ic' can

3e used to reac' 3etter efficienc6 in t'espectrum s'aring 3etween t'e GS),** and

()TS,** tec'nologies

T'is feature consists of a %2 )/! recei#erfilter 3andwidt'

8ue to t'e fact t'at most of t'e modulated@98)5 carrier signal energ6 lies wit'in muc'

less t'an )/! 7,, of t'e energ6 is wit'in

%11 )/!:4 t'e FleBi ?TS implements a narrow

filter in t'e 8igital Signal &rocessors 78S&:

software in t'e FleBi S6stem )odule4 at3ase3and le#el

T'is situation allows to reduce t'e distance3etween t'e centre of t'e ()TS,** carrier

and t'e first GS),** c'annel to 22 )/!


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Spectrum selection for refarmingStrategy for remo.ing !and

a:GS),** and (,** 3order is in operator internal 3and7sandwic' setup:

3: and c: > GS),** and (,** 3order allocated to outside ofoperatorHs 3and 7non-sandwic' setup:

2* )/! 3andwidt' limit of )R must 3e taken into account4 eg if AGS) 3and is used

GS) ,** ?and

GS),** GS),**@98)5,**

GS),** @98)5,**

GS),**@98)5,**

Situation 3efore

Situations after- T'ere are man6 wa6s to allocate fre2uencies-

a5

!5

c5

GS) ,** ?and

GS),** GS),**@98)5,**

GS),** @98)5,**

GS),**@98)5,**

Situation 3efore


GS) ,** ?and

GS),** GS),**@98)5,**

GS),** @98)5,**

GS),**@98)5,**

Situation 3efore


a5

!5

c5


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Spectrum selection for refarmingRemained GSM !and+idth after refarming

Remained GS) 3andwidt' after refarming 7click on picture toopen eBcel:


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*one setupGSM&'' +ith ,()'' 3one

0uffer 3one

GSM&'' +ith ,&'' 3one


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*one setupGSM&'' +ith ,()'' 3one6 0uffer 3one6 GSM&'' +ith ,&'' 3one

Full GS),** 3and area - T'e w'ole a#aila3le GS),** 3and is usedtoget'er wit' $G on (21** 3and

?uffer !one - ?uffer !one is 'a#ing limited 3and of GS),** afterrefarming: toget'er wit' $G on (21** 3and It is reuired to pro#ide

enoug' separation 3etween t'e same freuencies of GS),** 7full 3and:

and ()TS,**

"imited GS),** 3and area - T'e limited GS),** 3and is used toget'erwit' $G on (,** 3and


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*one setup0CC2 frequency usage limitations

In GS),** limited 3and area wit' $G on (,** 3and area t'erecommendation is to use

two neig'3or freuencies as non?99/ GS),**4 if t'e sandwic' setupis used

four neig'3or freuencies as non?99/ GS),**4 if non-sandwic'

setup is used In 3uffer area t'e recommendation is to use four neig'3or

freuencies as non?99/ GS),**


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0uffer 3one

T'e figure 3elow s'ows an eBample of a countr64 w'ere t'e

red color means full GS),** 3and usage wit' (21** plus

3uffer !one wit' limited GS),** 3and usage4 w'ile t'e w'ite

collored area is (,** area wit' limited GS),** 3and

usa3ilit6

So in 3elow eBample t'e (,** is used outside of 3ig citiesand at least 1-2* kms awa6 from countr6 3order


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(G et+ork analysis and forcastSite locations and co-siting

Configuration analysis

7erformance analysis


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et+ork analysis

T'e following information s'ould 3e a#aila3le for anal6!ing

networkE

> "ist of site locations wit' name4 coordinate4 co-location info 7GS)4 89Sand ()TS21**: and ?TS t6pe

> "ist of planned site locations for ()TS,** 73ased on a predefined

strateg6: eg sites in cities wit' more t'an * *** in'a3itants co#ered 36 ()TS21**

and t'e rest of t'e area is co#ered 36 ()TS,**

eg 3ig cities co#ered 36 3ot' (21** and (,** in parallel

9ountr6 3orders are co#ered 36 (21** onl6


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et+ork analysis

GS) and 89S cell le#el information of planned site locations

under ()TS,** is reuired

> 9onfiguration 7cell le#el:

TRDs+cell

of signaling T9/s+TRD 7?99/JeBt999/ and S899/:

98AF and 98A8

)5"

> &erformance data

9S traffic #olume 79S ?/ in Arlang > FR and /R separatel6 7trfK11,4

trfK11;a4 trfK1214 trfK122a::

&S traffic pa6load 78ail6 AG&RS 8" in )? - trfK21a:

T9/ drop rate 7dail6 in - dcrK2,:


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et+ork forcast

T'e following items must 3e forcasted4 w'en t'e network isrefarmedE

Traffic increase on cell le#el

/R penetration

of TS"s used for &S traffic in a#erage


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GSM&'' re-planningCapacity re-planning

8requency re-allocation


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GSM&'' capacity re-planningGSM&'' R9:cell options after refarming

Calculation e;ample


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Capacity re-planningGSM&'' R9:cell options after refarming

T'ere are two options are in#estigatedE 1 TRD 7?99/: remained after refarming

2 or more TRDs 71 ?99/ and 1 non?99/ TRD wit' RF 'opping:remained after refarming


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Capacity re-planningGSM&'' R9:cell options after refarming

1 TRD 7?99/: remained after refarming> If t'e remained 3and is less t'an 2* freuenc64 t'en 1 TRD+cell is

recommended

1;-1. freuencies can 3e used for GS) ?99/ and 2-% freuencies can 3e

used for 2TRD on t'e cell if needed 73ased on careful freuenc6 plan:

89S can 3e used for capacit6 la6er wit' 9?99/

2 or more TRDs 7?99/Lnon?99/: remained after refarming> If t'e remained 3and is more t'an 2; freuenc64 t'e 2TRD+cell

configuration is possi3le wit' RF 'opping

1;-1. freuencies can 3e used for GS) ?99/ and t'e rest of t'e

freuencies can 3e used for t'e second TRD 3ased on .-1* freuenc6 long

)5 list

89S can 3e used for capacit6 la6er wit' 9?99/


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Capacity re-planning

9alculation eBample

Microsoft OceExcel Works heet


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GSM&'' frequency re-allocation8requency re-planning


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8requency re-planning

T'e easiest wa6 is to use t'e same ?99/ freuenc6allocation set after refarming4 w'ic' was used 3eforerefarming T'erefore ualit6 degradation is not eBpected on

?99/ after refarming

In case of 2M TRD+cell configuration t'e )5" list s'ould

contain all t'e freuencies remained on top of ?99/freuencies

T'e 3order freuenc6 of ?99/ and )5" s'ould 3e remo#ed from )5"


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8eatures8eatures to maintain =oS in GSM&'' after refarming


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Content

Features for maintaining GS) ,** 0oS after refarming

Idle mode operation 7GS),** to 89S 1.**4 2G to $G: 91 and 92

9all setup

8irected retr6 and Intelligent directed retr6

858"+?

Resource allocation and 'ando#er strateg6

/ setup and neig'3or strateg6 re#iew for 2G and $G and inters6stem

9?99/

9apacit6 en'ancement

Standard /R

5)R planning+re-planning

S9

Spectral efficienc6 impro#ement

RF 'opping

8F95

9'annel utili!ation related features 7S5I94 85R&4 STIR94 5ntenna /opping:


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Idle mode operationGSM&'' to %CS)>''

(G to #G


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I amoutsid

e

I am inside,but have not

enoughpower

C1= ! max"#,$%= RLA_C RXLEV_ACCESS_MIN max(MS_TXPWR_MAX_CCH P , 0)

max

"#,$%

$&&'

(

$&&(

)

Idle mode operation ?GSM&'' to %CS)>''5Cell ?re5 @ selection +ith C)

T'e aim is to camp and allocate calls directl6 to 89S1.**


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*) ++=($

*) +#+=-

*) +*+=-

*) +.+=-$

Macro900 A"

Macro900 C

Micro900 D

Macro1800 B

C2 = C1 + ceRe!eec"#$!e" %"em&'a#$!e"*H(&ea"Tme%T)

* ++=($ / $ serving cell 0"x% = $

* +#+=- /$1($ 2 0"$13%

* +*+=- / $ 1 $ 2 0"$13%

* +.+=-$/$1($20"4$13%

Tme T- .e"/ee 0 a1 !ec'!

* ++=($

* +#+=)-

* +*+=-

* +.+=$

Tme T- .e"/ee 20 a !ec'!

* ++=($

* +#+=4-

* +*+=-

* +.+=$

Tme T- 3ea"e "4a 50!ec'!

* ++=($

* +#+=4-

* +*+=-

* +.+=-$

Idle mode operation ?GSM&'' to %CS)>''5Cell ?re5 @ selection +ith C(

Idl d i ?(G #G5


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Idle mode operation ?(G to #G5

T'e aim is to allocate 2G traffic to (,** cells

T'e following ?SS parameters s'ould 3e used for allocatingidle mode to (,**4 so t'en t'e call setup can 3e done directl6

on $G searc'i 7T'res'old To Searc' (TR5N 9ells:

searc'p 7G&RS T'res'old To Searc' (TR5N 9ells: fdd0ffset 7F88 9ell reselect offset:

fdd0)in 7)in F88 t'res'old:

fdd0)inffset 7)in F88 t'res'old offset:

fddRscp)in 7)in RS9& t'res'old:

Idl d ti ?(G t #G5


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CeRe!eec",'+L,!"

6SM MS !"a"! WC7MA mea!8eme"! 95RLA_C: ;( ;(


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%irected retry%irected retry

Intelligent directed retry

%A%:0

C ll S t


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Call Setup%irected Retry

&rocedure for assigning a mo3ilestation 7)S: from t'e S899/ c'annelin t'e accessed cell to a traffic c'annel7T9/: in a cell ot'er t'an t'e ser#ingcell during t'e call set-up p'ase

8irected Retr6 is triggered due tocongestion in t'e accessed cell andcan 3e used 3ot' in )S originating and)S terminating call attempts

/ando#er target cell selection is 3asedon> RB Signal "e#el> )S classmark> )aBimum power le#el

8irected retr6 impro#es call set-up ratio

during temporar6 congestion4increases network a#aila3ilit6 andguarantees 3etter ser#ice for allsu3scri3ers

1B MS "3 "'acce!! a ce /"4"em&'a "ac

c4aec'3e!"'

2B MS !ec"e "' a

'"4e ce/4c4 4a! 9ee"ac c4ae!

aDaa.e

C ll S t


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Call Setup%irected Retry

T'e parameter Pdirected retr6

usedQ 78R: indicates w'et'er a'ando#er caused 36 t'e directed

retr6 is ena3led T'e 'ando#er is

ena3led w'en t'e #alue is 6es

8irected Retr6 78R: 'ando#ers are

functionall6 di#ided into t'reet6pesE

> ?S9 internal4 inter-cell 8irectedRetr6 'ando#er

> ?S9 eBternal 8irected Retr6

'ando#er 7source cell side:> ?S9 eBternal 8irected Retr6

'ando#er 7target cell side:

C ll S t


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Call Setup

Intelligent %irected Retry

congestion

macro cell " subscriberOnl M*> cellsallowed as target

C ll S t


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Call Setup%irect Access to %esired ayer and 0and The prpose of Direct Access to Desire! "a#er$Ban! %DAD"$B& is to !irecttraffic in the ca'' set(p

phase from the )DCC* of a macroce'' to a TC* of a microce'' +heneerpossi-'e.

> from the )DCC* of a /)M 800 ce'' to a TC* of a /)M 1800 or a /)M 1900 ce''> from the )DCC* of a /)M 900 ce'' to a TC* of a /)M 1800 ce''

The eten!e! /)M 900 -an! capa-i'it# of the M) is a'so ta2eninto accont> DAD"$B ma2es it possi-'e to re!ce the nm-er of nnecessar#TC* reserations of !a' -an! mo-i'es in the

primar# -an! an! ths proi!esmore trn2in3 efficienc# in the net+or2

4ote that DAD"$B can a'so -e se!from amicroce'' to a macroce'', from a /)M 1800 ce'' to a /)M900 ce'' or a/)M 800 ce'', an! from a /)M 1900 ce'' to a /)M 800 ce''

Direct Access to Desire! "a#er$Ban! is -ase! on the fo''o+in3 mainfnctiona'ities.> The DAD"$B han!oer is tri33ere! accor!in3 to the 'oa! of the accesse!ce'', the M)capa-i'ities, an! the ra!io

net+or2 enironment %a!5acentce''s&

> A!5acent ce''s can -e set as potentia' tar3et ce''s for DAD"$B han!oer on the -asis of a!5acenc# -# sin367M The a!5acent ce'' has to f'fi'' thesi3na' 'ee'reirement in or!er to -e consi!ere! as a tar3et ce'' for a DAD"$B han!oer

> A!5acent ce'' priorities are ta2en into accont +hen ea'atin3 tar3et ce''sfor a DAD"$B han!oer> 6n'# intra(B)C DAD"$B han!oers are possi-'e

C ll S t


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Call Setup%A%:0 applications

T'e use of 858"+? is fleBi3le wit' adacent cell indications and t'us

858"+? can 3e tailored to different en#ironments and concepts

Call Setup


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Call Setup%A%:0 functionality

858"+? is applied in call set-up p'ase if

> 858"+? feature is ena3led wit' ?S9 le#el optionalit6 management parameter

> T9/ load of accessed cell eBceeds t'e BTSLoadThreshold

> T'ere are adacent cells defined wit' DADLBTargetCellparameter to 3e used as target cells for

858"+? 'ando#er4 cells #erified according to )S capa3ilities

> T'e signal le#el of t'e 858"+? target cell eBceeds t'e HOLevelUmbrella(n

?S9 will e#aluate t'e target cells for 858"+? 'ando#er during time indicated wit'

M!nT!meL!m!tD"parameter

5dacent cell priorities HO#r!or!t$Level(nand load factors HOLoad%a&tor(nare used in

target cell sorting for 858"+? 'ando#er

8R will 3e applied if t'ere is real T9/ congestion in accessed cell

If t'e 858"+? 'ando#er fails 7no T9/s a#aila3le in target cells4 no 858"+? target cells4 )S

returns to old c'annel: t'e T9/ is attempted to allocate from accessed cell &re-emption 'as 'ig'er priorit6 t'an 858"+? 'ando#er

Call Setup


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ce 'a = 100F

"!'a"4e!4': ce 'a : 100F

Ce 'a :."!'a"4e!4'

S&ecc &aame"e

dadl3Target9ell @?> indicates adAacent cell as potential target!tsoadhreshold $&&)$$ B cell load triggering 7.**0 handover

7R "a"e/"4 @/"4'8"G8e83

7A7L@"a"e

TCH a'ca"e9'm !eD3ce

Call Setup%A%:0 triggering


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Resource allocation and hando.er strategyC0CC22/ setup and neigh!or strategy re.ie+ for (G and #G

Resource allocation and hando.er strategy


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Resource allocation and hando.er strategy

T'e aim is to allocate t'e rig't resource on t'e rig't 3and for

t'e call

T'e traffic s'ould 3e mo#ed to 89S1.**+(,** to maintain0oS on G,** after refarming

If 89S1.** is co-located4 t'en 9?99/ s'ould 3e consideredin multi3and en#ironment

Multi!and solution


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Multi!and solutionCommon 0CC2

8ual ?and peration e#er6 ?TS 'as its ?99/ and S899/c'annels

9ommon ?99/ 9ontrol impro#ed spectral efficienc6 7one

?99/:

optimi!ed use of signaling c'annels

tig'ter reuse of non ?99/ carriers

3etter ualit6 7decreased num3er of/s:

Non ?99/ fre ?TS

?99/+S899/

?99/ fre ?TS

9ell 2

?99/+S899/

9ell 1

?99/+S899/

Multi!and Solution


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Multi!and SolutionSegment

segment telecom cell

segment ma6 consist of se#eral?TS o3ects

?TSs of a segment are co-located

and s6nc'roni!ed a ?TS in a segment is a group of

similar TRDs a ?TS in a segment must consist

of TRDs of t'e same freuenc6

3and 7&GS),**4 AGS),**4

GS)1.** + GS).**4 GS)1,**

separated: a ?TS in a segment must consist

of TRDs of t'e same 3ase station

site t6pe

Multi!and Solution


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BTS') BCCH'- BB hopping

- 6 TRXsBTS'*) BCCH'*- RF hopping- 6 freq, f1-f6- 2 TRXs

BTS'+) BCCH'+

- BB hopping- 6 TRXsBTS',) BCCH',- RF hopping- 6 freq, f1-f6- 2 TRXs BTS'-) BCCH'-

- BB hopping- 6 TRXsBTS'.) BCCH'.- RF hopping

- 6 freq, f1-f6- 2 TRXs

BTS'() BCCH'(

- BB hopping- 6 TRXs

BTS'*- RF hopping- 6 freq, f1-f6- 2 TRXs

BTS'+) BCCH'+

- BB hopping- 6 TRXsBTS',

- RF hopping- 6 freq, f1-f6- 2 TRXs BTS'-) BCCH'-

- BB hopping- 6 TRXsBTS'.

- RF hopping

- 6 freq, f1-f6- 2 TRXs

Multi!and SolutionCommon 0CC2

Co-located solutionaltoget'er ; ?99/ carriers

C0CC2 setupimpro#ed spectral efficienc64

$ ?99/ carriers

2ando.er Setup


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2ando.er Setup7riority order for 2/


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2ando.er SupportInterference

If t'e / t'res'old

comparison indicatest'at a 'ando#er

3ecause of uplink or

downlink interference

is reuired4 t'e ?S9

ma6 perform eit'er anintra-cell 'ando#er or

an inter-cell 'ando#er

2ando.er Support


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2ando.er Support=uality

If t'e / t'res'old

comparison indicates t'at a'ando#er 3ecause of uplink or

downlink ualit6 is reuired4

t'e ?S9 e#aluates t'e radio

link properties of t'e adacent

cells to find a target cell for t'e'ando#er

2ando.er Support


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2ando.er Supporte.el

If t'e / t'res'old

comparison indicates t'at a'ando#er 3ecause of uplink or

downlink le#el is reuired4 t'e

?S9 e#aluates t'e radio link

properties of t'e adacent cells

to find a target cell for t'e'ando#er

2ando.er Support


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2ando.er SupportIMSI 0ased 2ando.er T'e main 3enefit of I)SI-3ased /ando#er is t'at

t'e 'ando#er access of t'e ot'er operatorssu3scri3ers can 3e limited onl6 to defined cells to

maintain ser#ice preference to own su3scri3ersT'e ot'er operators can prefer t'eir own cellsand t'us optimise costs caused 36 network #isits


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2ando.er SupportMS-0S distance

5 'ando#er caused 36 t'e )S-

?S distance pre#ents t'e )Sfrom eBceeding cell 3oundaries

T'e 'ando#er t'res'old

comparison #aries depending

on w'et'er t'e cells concerned

are eBtended range cells ornormal cells

2ando.er Support


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2ando.er SupportRapid field drop

T'e ?S9 recognises t'e necessit6 to

make a 'ando#er w'en t'e /t'res'old comparison indicates t'at a

'ando#er4 w'ose cause is rapid field

drop4 ma6 3e reuired from t'e ser#ing

cell to a specified adacent cell

T'e situation can take place4 for

eBample4 w'en an )S mo#es so fastfrom t'e co#erage area of an indoor

cell to t'e co#erage area of an outdoor

cell t'at t'e uplink radio link is lost

2ando.er Support


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2ando.er Support


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Internal, Nokia Siemens Networks

2ando.er SupportMS Speed)o3ile distri3ution in multi la6er networks 3ased on speed

Slow mo#ing )S -U lower la6er 7micro: cells -U optimum capacit6 use Fast mo#ing )S -U upper la6er 7macro: cells -U reduction of signaling traffic

Two proprietar6 Nokia features

8ast Mo.ing Mo!ile Support ?8MMS5> Astimation of )S speed 3ased on num3er of measurement reports from adacent micro cells used to

mo#e )S from (&&AR 7macro: to "@AR 7micro: cell

MSB Speed %etection> )easurement of )S speed 36 counting fading dips used to mo#e slow+fast )S from macro+micro to

micro+micro cell

2ando.er Support


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2ando.er Support8ast:slo+-mo.ing MS

T'e crucial principle of t'e trafficcontrol is t'at slow-mo#ing or

stationar6 )Ss are 'anded o#erfrom a ser#ing la6er to a lowerla6er4 and fast-mo#ing )Ss are'anded o#er from a ser#ing la6erto an upper la6er

T'e parameter adacent cell la6er759": determines t'e la6er of t'e

adacent cell from t'e point of#iew of t'e ser#ing cell

T'e la6er of an adacent cell can3e eit'erE> t'e same as t'e la6er of t'e

ser#ing cell 7t'e #alue is same:

> upper t'an t'e la6er of t'e ser#ingcell 7t'e #alue is upper:

> lower t'an t'e la6er of t'e ser#ingcell 7t'e #alue is lower:

2ando.er Support


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2ando.er SupportMSB Speed %etection

T'e purpose of )S Speed 8etection

is to determine t'e mo3ile stations7)S: speed in GS)+89S networks

so t'at fast mo#ing mo3iles can 3e

directed to macrocells and t'e slower

mo3iles to microcells T'is is an

efficient wa6 to increase t'e capacit6of t'e network and to decrease t'e

num3er of 'ando#ers in microcells

T'e role of t'e ?TS is to measure t'e

speed of t'e )S and to send t'e

information to t'e ?S9 36 including

t'e speed information in t'e

)easurement Result message For

more information4 see $G&&

specification ETSI GSM TS 08.58,

ersion !.5.0.

lower speed limit 7"S":> T'is parameter is used to define t'e lower speed

t'res'old for an )S If t'e speed of t'e )S is lower

t'an t'is t'res'old4 t'e )S will 3e 'anded o#er to alower la6er adacent cell 7if an6:

upper speed limit 7(S":> T'is parameter is used to define t'e upper speed

t'res'old for an )S If t'e speed of t'e )S is 'ig'ert'an t'is t'res'old4 t'e )S is 'anded o#er to anupper la6er adacent cell 7if an6:

)S speed t'res'old NB 7STN:> T'is parameter is used in t'e t'res'old comparison

3etween t'e a#eraged )S speed and t'e upper andlower speed t'res'olds NB is t'e total num3er of

a#erages to 3e taken into account 3efore t'e decisionis possi3le T'is parameter is common to 3ot' lowerand upper speed t'res'olds

)S speed t'res'old &B 7ST&:> T'is parameter is used in t'e t'res'old comparison

3etween t'e a#eraged )S speed and t'e upper andlower speed t'res'olds &B is t'e num3er of a#eragesout of total a#erages t'at 'a#e to 3e lower+'ig'er t'ant'e t'res'old 3efore a 'ando#er due to )S speed ispossi3le T'is parameter is common to 3ot' lower andupper speed t'res'olds

)S speed a#eraging 7)S5:> T'is parameter defines t'e a#eraging window si!e fort'e )S speed indications from t'e ?TS

2ando.er Support


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2ando.er Support,m!rella 2/

T'e um3rella 'ando#er procedure

ena3les network-directed trafficcontrol 3etween um3rella cells

7macrocells: and microcells T'e

parameter ena3le um3rella 'ando#er

7A(): indicates w'et'er t'e

um3rella 'ando#er procedure isena3led T'e um3rella 'ando#er is

ena3led w'en t'e #alue is 6es

2ando.er Support


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6mbrellahandoverto micro cell

A

9C level handoverback to macro cell

)D$$ Macro

)D$$ Micro

hoLevelUmbrella = 1D- d#m

gsmMacrocellThreshold= ($ d#mgsmMicrocellThreshold= $ d#mmsTxPwrMax(n) = )- d#m 1 micro cellPMAX = )- d#m 1 handover to micro cell onl

hoThresholdLevelDL = 1F- d#m

2ando.er Support

,m!rella 2/

3hreshold 9C level handover !F- d#m

3hreshold umbrella handover !D- d#m

T'e um3rella 'ando#er procedure

ena3les network-directed traffic

control 3etween um3rella cells

7macrocells: and microcells

2ando.er Support


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2ando.er Support7o+er 0udget

T'e power 3udget 'ando#er

procedure ensures t'at t'e)S is alwa6s 'anded o#er to

t'e cell wit' t'e minimum

pat' loss4 e#en t'oug' t'e

ualit6 and t'e le#el

t'res'olds ma6 not 'a#e

3een eBceeded

2ando.er Support


65/150

Internal; Nokia Siemens Networks

2ando.er SupportCom!ined ,m!rella and 7o+er 0udget

(m3rella 'ando#er to go from GS) ,**+.** to GS) 1.**+1,**4 wit' a

t6pical t'res'old of -. d?m &ower 3udget 'ando#er wit'in t'e same la6er4 wit' a margin of ; d?

Radio reason 7"e#el or 0ualit6: 'ando#er to go from GS) 1.**+1,** to

GS) ,**+ .**

2ando.er Support


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Internal;; Nokia Siemens Networks

ppraffic Reason 2/

To s'are t'e load 3etween t'e cells4 t'e )S9 ma6 reuest t'e ?S9 to perform a

specified num3er of 'ando#ers from one specified cell 7'ig' load: to ot'erspecified adacent cells w'ic' 'a#e less load T'e following figure s'ows t'e

process leading to a traffic reason 'ando#er

2ando.er Support


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Internal;< Nokia Siemens Networks

ppAd.anced Multilayer 2andling ?AM25

?6 redistri3uting t'e traffic to t'e appropriate la6er orfreuenc6 3and4 t'e network wide load can 3e d6namicall6

smoot'ed out

T'e 5)/ contains t'ree features> ?S9 Initiated Traffic Reason /ando#er

> )ulti "a6er "oad 9ontrol

> I( "oad 9ontrol

2ando.er Support


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pp0SC Initiated raffic Reason 2ando.er

@'en t'e load in a cell eBceeds t'eAMH U//er Load Threshold#alue4 newreduced margins for power 3udget / will 3e acti#ated

5)/ penalt6 s6stem determines a guard time during w'ic' a / 3ack to originalcells is not allowed

2ando.er Support


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Internal;, Nokia Siemens Networks

ppMulti ayer oad Control

8uring low network load4 w'en t'e traffic is 3elow t'eAMH Lo0er Load

Threshold#alue4 unnecessar6 'ando#ers can 3e a#oided

I"e3e" ;eG8ec H'&&3

M8"ae4a3

6SM00!8&e

6SM100 mc'

DD

6SM00 mc'

D6SM100 mac'D

2ando.er Support


70/150

Internal ?etter 0ualit6

2ando.er Support


71/150

Internal


72/150

Internal


73/150

Internal


74/150

Internal


75/150

Internal


76/150

Internal


77/150

Internal


78/150

Internal


79/150

Internal


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Internal

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Introduction

GS) FR+AFR c'annel gross 3it-rate is 22. k3ps in GS) FR+AFRE

> 1$ k3ps +speec' coding

> ,. k3ps +c'annel coding

/R c'annel gross 3it rate is 11% k3ps

T'e idea of 5)R is 3ased on t'e fact t'at in soft limited RF en#ironments 7poor 9+I:

> Speec' coding can 3e decreased in order to impro#e c'annel coding

> #erall result is an impro#ed #oice ualit6 7in terms of FAR:> For 5)R4 t'e speec' and c'annel coding data rates are d6namicall6 adapted to 3est fit t'e current

RF c'annel conditions


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Introduction ?efore 5)R t'e GS) operator 'as on t'e air interfaceE

> 2 different 9'annel T6pe 7Full Rate J /alf Rate:

> 2 different 9'annel 9oding 71 V Full Rate J 1 V /alf Rate:

T'e reason of t'e introduction of 2 different 9'annel T6pes is> ABploit t'e capacit6 of t'e TRD w'ere possi3le> 9ope wit' temporar6 increase of traffic

@it' t'e introduction of 5)R t'e GS) operator 'as a#aila3le on t'e air interfaceE> 2 8ifferent 9'annel T6pe 7Full Rate + /alf Rate:> 1% 8ifferent 9'annel 9oding 7. V Full Rate J ; V /alf Rate:

T'e reason of t'e 1% different 9'annel 9oding is to use in e#er6 moment of t'e con#ersationt'e 3est trade off 3etween 9'annel 9oding and Speec' 9oding> Increased Speec' 9oding W Increased Coice Reconstruction 5ccurac6> Increased 9'annel 9oding Increased Ro3ustness Good FAR in poor 9+I en#ironment

0 AMRI t d ti


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*

1*

1

2*

2

FR12-2

FR1*-2

FR


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.$ Nokia Siemens Networks


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7arameter %escription

C2 In 2ando.er ?2RI5

A!!re.iated nametc'RateInternal/o

Managed o!ject?S9

Range5ctual Rate 71:4 8ata 9all 72:4 No Rate 9'ange 7 $:4 &referred Rate 7%:4 ?est

9andidate 7:

@it' t'is parameter 6ou define t'e traffic c'annel allocation during ?SS internal or eBternal 'ando#ers T'e

parameter controls t'e target cell selection and t'e T9/ c'annel rate and speec' codec determination in traffic

c'annel allocation T'e parameter can 'a#e t'e following #aluesE

1 T'e call ser#ing t6pe of T9/ 'as to 3e primaril6 allocated T'e call ser#ing t6pe of speec' codec inside t'e call

ser#ing t6pe of T9/ can c'ange

2 T'e call ser#ing t6pe of T9/ and t'e call ser#ing t6pe of speec' codec are preferred to 3e primaril6 allocated

during t'e speec' connection T'e c'annel rate c'ange is possi3le during data connection4 if necessar64 and if t'e

radio interface data rate allows it

$ T'e c'annel rate and speec' codec c'anges are totall6 denied

% T'e preferred c'annel rate of T9/ and preferred speec' codec 'a#e to 3e primaril6 allocated

T9/ 'as to 3e primaril6 allocated from t'e 3est ?TS of t'e 'ando#er candidate list

Initial AMR Channel Rate ?IAC5

A!!re.iated nameinit5mr9'annelRate

Managed o!ject?S9

Range5n6 rate 71:4 5)R FR 72: @it' t'is parameter 6ou define t'e initial c'annel rate in call setup4 internal inter cell 'ando#er 7/: and eBternal /

for an 5dapti#e )ulti Rate 75)R: call ))" RangeE 1 an6 rate4 t'ere is not an6 eBtra reuirements 36 t'e parameter

and t'e c'osen c'annel rate is de fined 36 taking into account t'e currentl6 used information for c'annel allocation2

5)R FR is allocated despite of t'e #alues of t'e currentl6 used information for c'annel allocation

Resource allocation @ 2ando.ers ?0SS only5

AMRR ll ti C d i 2/ ?0SS l 5


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If multirate configuration of source and target ?TS are t'e same4 t'en P5)R9onfiguration In /ando#ersQ and P5)R Set Grades Ana3ledQ parameters 'a#e no

impact

7arameter %escription

AMR Set Grades


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39G5(TRX P'" TCH a'ca"' )

#


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Codecs and ink Adaptation

T'e parameters [amr9onfigurationFrE codec)odeSet[ J

[amr9onfiguration/rE codec)odeSet[ 7FR9: determine t'e setof codecs in used

86namic code adaptation is 3ased on 9+I estimation T'res'old and '6steresisE

FRTBE 5)R FR t'res'old B amr9onfigurationFrE t'res'oldB4 wit' B1424$

FR/BE 5)R FR '6steresis B amr9onfigurationFrE '6steresisB4 wit' B1424$

/RTBE 5)R /R t'res'old B amr9onfiguration/rE t'res'oldB4 wit' B1424$

/R/BE 5)R /R '6steresis Bamr9onfiguration/rE '6steresisB4 wit' B1424$


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AMR7o+er control


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Internal

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7o+er control

T'e following parameters are used to set power control

properl6 to maintain 5)R ualit6 after rfarming amr&ocFr&c"T'r8lRB0ual4 amr&ocFr&c"T'r(lRB0ual

amr&ocFr&c(T'r8lRB0ual4 amr&ocFr&c(T'r(lRB0ual

amr&oc/r&c"T'r8lRB0ual4 amr&oc/r&c"T'r(lRB0ual

amr&oc/r&c(T'r8lRB0ual4 amr&oc/r&c(T'r(lRB0ual

AMR7acking and unpacking


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7acking and unpacking

0ualit6 3ased packing+unpacking is set 36 t'e following parameters

amr/oFrIn/oT'r8lRB0ual4 amr/oFrIn/oT'r8lRB0ual amr/o/rIn/oT'r8lRB0ual4 amr/o/rIn/oT'r8lRB0ual

T'e load 3ased packing+unpacking is set 36 t'e following parameters

> lower limit for FR T9/ resources 7/R":

> upper limit for FR T9/ resources 7/R(:

> lower limit for SAG FR resources 7FR":

> upper limit for SAG FR resources 7FR(:

> 5)R lower limit for FR resources 75/R":

> 5)R upper limit for FR resources 75/R(:

> 5)R lower limit for SAG FR resources 75FR":

> 5)R upper limit for SAG FR resources 75FR(:

AMRRadio link timeout


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Radio link timeout

T'ere are separated RT" parameters for non5)R4 5)R FR

and 5)R /R

AMRIntercell 2/


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Internal

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Intercell 2/

Separate RD0(5" t'res'old parameters are used for 5)R

on ?TS le#el> 8efault set to \worseQ #alues compared to t'e AFR RD0ual parameters

7eg AFR %4 5)R :

> Same pB+nB #alues used for 3ot' 5)R and AFR

> @it' t'ese default settings 5)R calls would 3e eBpected to 'a#e less/ due to ualit6

In case of inter cell / t'ere are no differences in RD0(5"

measurement met'od 3etween AFR and 5)R

> AFR call and 5)R call in identical location s'ould s'ow identical

RD0(5" measurements

> In congested cell wit' no a#aila3le TS for unpacking4 Inter-cell /reuired 3ased on RD0(5"

AMR8eatures for signaling optimi3ation


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8eatures for signaling optimi3ation

5)R / signaling optimi!ation

5)R unpacking optimi!ation S1%

Separate ("J8" "ink 5daptation T'res'olds

Ro3ust 5)R Signaling 7F599/ + S599/:> F599/ and S599/ repetition for \repeated 599/Q capa3le mo3iles on 5)R T9/

> F599/ repetition for legac6 mo3iles on 5)R FR

> F599/ repetition for legac6 mo3iles on 5)R /R

> F599/ &ower Increment


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/rthogonal Su!-channelIntroduction


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Internal

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Introduction

rt'ogonal Su3-9'annel 7S9: is a #oice capacit6 feature t'at allows assigningtwo 5)R /R connections on one T9/ 'alf rate c'annel

up to four 5)R /R connections ma6 3e ser#ed 36 one radio timeslot Gain of S9 > cost efficienc6

"ess TRD eBpansion ma6 reuired and+or gi#e more capacit6 to &S ser#ices

It ma6 'elp to reduce freuenc6 3and usage

S9 comprises t'e following ?SS featuresE S9 /alf Rate wit' S5I9 )S 7?SS21$*,:

9ircuit Switc'ed 86namic 53is &ool 7?SS$*$.: reuired in case of legac6 53is to pro#ide t'e ZadditionalH 53is capacit6 for t'e second S9 su3-

c'annel 7two 5)R connections paired in 8/R mode on t'e same T9/+/ reuires two 1;k3ps 53issu3-c'annels:

r &acket 53is o#er I&+At' 7?SS21%%: or &acket 53is o#er T8) ?SS21%%*:

S9 reuires Single 5ntenna Interference 9ancelation 7S5I9: recei#er in mo3ilestations

?S9 applies S9 onl6 for )Ss w'ic' indicate t'eir S5I9 support

/rthogonal Su!-channel%o+nlink


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Internal

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%o+nlink

rt'ogonal Su3-c'annel concept in 8" direction is 3ased on t'e adoptionof t'e 0&S] modulation

> 0&S] modulation carries two ort'ogonal su3-c'annels w'ic' can 3e recei#ed36 legac6 S5I9 )S like normal G)S]> ?TS uses d6namicall6 G)S] or 0&S] modulation

if t'ere is onl6 one 5)R /R connection4 t'e c'annel performs as a traditional 5)R /RT9/

> -

/rthogonal Su!-channel%o+nlink


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%o+nlink

RTS" used for 5)R /R call can 3e allocated to 8/R connections 36 splitting into

two 7ort'ogonal: su3-c'annels 7S9-* and S9-1:

T'e separation 3etween S9-* and S9-1 su3-c'annels is ac'ie#ed 36 t'e use

of Training Seuence 9odes

> su3-c'annel specific TS9s are optimi!ed in TS9 pairs for t'e 3est performance in 8/Rmode

S9-* su3-c'annel is assigned a Zlegac6H TS9 and uses Zlegac6H 53is transport

resources S9-1 su3-c'annel is assigned a Zpair-wiseH TS9 and uses ZadditionalH 53is

transport resources

> additional 53is transport capacit6 is pro#ided wit' 9S85& or &acket 53is

SC for /SC-' SC for /SC-)

' (

) H

( '

#

#

E "

" E

H )

/rthogonal Su!-channel,plink


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Internal

,. Nokia Siemens Networks

,plink

rt'ogonal su3-c'annel concept in (" direction is 3ased on traditional G)S]

modulation and )ulti (ser )ultiple Input )ultiple utput 7)(-)I): tec'niue

> two users are differentiated 36 TS9 and propagation pat's t'e same TS9 pair as in 8" is used

> ?TS separates users wit' RB 8i#ersit6 and interference cancellation tec'niues Successi#e Interference 9ancellation 7SI9: recei#er is used

RB 8i#ersit6 is a prereuisite for S9

wit'out RB 8i#ersit6 8/R performance in (" would 3e #er6 poor 7(" wit'out RB 8i#ersit6 is worse t'an 8"

wit'out S5I9:

> RB le#el 3alance 3etween two connections occup6ing paired S9-* and S9-1 su3-c'annels is needed to pro#ide sufficient ualit6

/rthogonal Su!-channelSC planning


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cell 0

main SC ' main SC (

paired SC '

cell A

paired SC (

cell 0

main SC ' main SC #

paired SC

cell A

paired SC (

SC planning

If some cells suffer from relati#el6 'ig'er speec' ualit6 degradation after

S9 acti#ation t'an ot'ers4 t'e TS9 plan s'ould 3e re#iewed> speec' ualit6 ma6 3e monitored wit' eg S9 RD 0ualit6 )easurements7countersE 122***-122*


100/150

Internal

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Multiple;ing

8/R multipleBing mode is triggered 3ased on load criterion> if t'e percentage of free FR T9/s decreases 3elow "i#i$ for Triggering %S&

'(R M)*$ip*e+ing4 t'e ?TS enters 8/R multipleBing mode

8/R multipleBing is reali!ed 36 'anding o#er 5)R /R+FR connection tot'e target c'annel wit' ongoing 5)R /R call 'a#ing sufficient ualit6 and(" RB "e#el> load criterion is c'ecked upon recei#ing a report from /J&9 algorit'm wit'

updated #alues of RB 0ualit64 RB "e#el and power reduction inter#al is defined wit' (T&FI" parameterE 8/R 95N8I85TA "ISTING INTARC5"

5lgorit'm searc'es for t'e 3est pair of calls to 3e multipleBed to ensureoptimal ualit6 in 8/R mode> first4 t'e 3est target c'annel is searc'ed for 7t'e 1st candidate:

onl6 T9/8 is allocated to S5I9 )S for 5)R call ma6 3e regarded as a target c'annelfor 8/R multipleBing

> neBt4 t'e 3est connection to 3e 'anded o#er to target c'annel is searc'ed for7t'e 2nd candidate: 3ot' 'alf rate and full rate 5)R S5I9 connections ma6 3e regarded as candidates to

3e 'anded o#er to pre#iousl6 determined target c'annel

/rthogonal Su!-channelMultiple;ing


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Multiple;ing

)ultipleBing / ma6 3e done toE

> S9-1 su3-c'annel if 5)R /R connection occup6ing target c'annel is regarded as S9-*

T9/ is initiall6 allocated to 5)R /R regarded as S9-* su3-c'annel

in case of de-multipleBing a connection allocated on S9-1 is 'anded o#er and t'e one allocated

on S9-* remains as 'alf-filled 8/R

> S9-* su3-c'annel if 5)R /R connection occup6ing target c'annel is regarded as S9-1

in case of de-multipleBing a connection allocated on S9-* is 'anded o#er and t'e one allocated

on S9-1 remains as 'alf-filled 8/R

R9'

R9)

SH

%2R multiple;ing 2/

connection to !e handed o.er

target channel

S"SEMS#S#S(S)S'

SHMS(SES#S(S)S' S

2R packing

/SC

multiple;ingMS#

free

/SC-'

MS(

/SC-'

free

/SC-)

free

/SC-)

2R packing

/SC

multiple;ing

MS# free

/SC-'

MS(

/SC-)

free

/SC-)

free

/SC-'

/rthogonal Su!-channel7o+er control


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Internal

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&9 algorit'm for 8/R mode is similar to t'e one used for non-8/R connections legac6 RB "e#el t'res'olds are re-used

new 8/R-specific RB 0ualit6 t'res'oldsallow differentiating from 5)R /R & "oer Thresho* '" R+ /)* '(R

& pper Thresho* '" R+ /)* '(R

& "oer Thresho* " R+ /)* '(R

& pper Thresho* " R+ /)* '(R

7o+er control

&9 control 'as lower priorit6 t'an

demultipleBing /

8" &9 is performed for paired 8/Rconnectionsindependentl6 73ased on RB "e#el and RB 0ualit6

criteria: 3ut used TB power is determined 36 t'e

weaker connection

indi#idual 78/R-connection-specific: TB power

le#els are commanded to ?TS

?TS selects t'e 'ig'er 8" power le#el 7among

two commanded ones: and applies it for 3ot'

paired 8/R connections

/rthogonal Su!-channel2ando.er


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Internal

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2ando.er

8/R demultipleBing / 7intra-cell / from 8/R to non-8/R mode: can 3etriggered 36E

> RB 0ualit6 criterion demultipleBing / to non-8/R mode is performed if (" or 8" RB 0ualit6 of 8/R connection is

greater t'an or eual to 'e#)*$ip*e+ing R+ /)*i$ Thresho*

> (" RB "e#el ?alance criterion 7'as lower priorit6 t'an RB 0ualit6 demultipleBing /: if (" RB "e#el 8ifference 73etween paired 8/R calls: is greater t'an or eual to %S&

'e#)*$ip*e+ing " R+"ee* Mrgin4 t'e connection wit' 'ig'er (" RB"e# is demultipleBed to non-8/R mode

> RB "e#el criterion if Impro#ed 5)R &acking and (npacking 7?SS21%.$: is ena3led demultipleBing / to 5)R FR is performed if (" or 8" RB "e#el of 8/R connection drops 3elow

t'e t'res'old triggering 5)R /R unpacking / 7introduced wit' ?SS21%.$:

Inter-cell /> 8/R connection ma6 3e 'anded o#er to t'e ot'er cell 3ut onl6 to 5)R /R+FR c'annel

mode 78/R to 8/R inter-cell 'ando#ers are not possi3le:

> Inter-cell / for 8/R connections are controlled wit' new RB 0ualit6 t'res'olds7Thresho* '* R+ /)* '(R n Thresho* * R+ /)* '(R: and legac6 RB "e#elt'res'olds 7Thresho* "ee* 'on*in3 R+ "ee*and Thresho* "ee* p*in3 R+ "ee* arere-used:

/rthogonal Su!-channelCircuit S+itched %ynamic A!is 7ool


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1*% Nokia Siemens Networks

Circuit S+itched %ynamic A!is 7ool

8ue to S9 multipleBing additional 53is resources areneeded for S9-1 c'annels

it does not make an6 sense to dou3le permanentl6 allocatedT9/ capacit6 72 &9) TS" per TRD: as eBtra transmission isonl6 needed 7temporaril6: for multipleBed 8/R calls

t'is additional capacit6 can 3e taken from a new dedicatedpool of 53is resources a#aila3le for eac' TRD wit'in t'e ?TSsite

t'is new pool of 53is resources is 'ereafter referred to as9S85& 79ircuit Switc'ed 86namic 53is &ool:

)ain c'aracteristics of 9S85&E 9S85&s are created per ?9F 7?TS site: 3asis

up to % 9S85&s is possi3le per ?9F up to 1*** 9S85&s is possi3le per ?S9

9S85& is s'ared 36 all TRDs 'osted 36 gi#en ?9F 7?TS site: 9S85& must not 3e s'ared among different ?9F

9S85& must 3e created in consecuti#e &9) TS"s 9S85& si!e ranges from 1-$1 TS" for A1 71-2% for T1:

wit' granularit6 of 1 &9) TS" 7ie ;% k3ps c'annels:

/rthogonal Su!-channel7lanning


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7lanning

&lanning structure

> 5nal6sis of eBisting network> 9alculation of capacit6 gain w'ic' can 3e ac'ie#ed 36 5)R 8/R

> (tili!ation of capacit6 gain 3ased on t'e proper 3usiness and planningstrateg6

> Astimation of )S impro#ement ac'ie#ed 36 5)R 8FR


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1*; Nokia Siemens Networks

%ynamic 8requency and Channel AllocationIntroduction

8requency Allocation Management

i.e trial +ith %8CA

%eli.er more Capacity +ith 0est in Class =uality


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1*< Nokia Siemens Networks

etAct

/ptimi3er

=uality

Capacity

2R

8R:


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1*. Nokia Siemens Networks

8F95 cluster

Non-8F95 cluster 8F95 cluster

C:I

C:I

Impro.ed =uality

0etter 8requency

allocation for eachne+ call or hando.er

ear realtimeprocessing of mo!ilemeasurements !y 0SC

to assess net+orkle.el interference

KImpro.ed


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Internal

1*, Nokia Siemens Networks

/!jecti.es

)ore #oice capacit6 wit' eBisting +less TRD 'ardware

)ore #oice capacit6 wit' less

freuenc6 c'annels and sites

/ther 0enefits

"ess power consumption + Arl

due to smaller 'w configurations

"ess capacit6 Sites needed

)ore Timeslots a#aila3le for

GS) data

)ore capacit6 + freuenc6 3andena3les @98)5,** refarming

Traffic load

Network0ualit6

Toda6HsNetwork

Network wit' impro#edspectral efficienc6

8requency Allocation Management%ynamic 8requency and Channel Allocation


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y q y

8F95 is a powerful algorit'm in ?S9 w'ic' ensures

optimum radio c'annel allocation for e#er6 new call

and incoming 'ando#er&recise interference control is ac'ie#ed wit'

?SS s6nc'ronisation

?S9 information eBc'ange

96clic freuenc6 'opping

8F95 5lgorit'm uses compre'ensi#e statistical data

for c'annel selection process

Real time information

Near real time information

Non real time information

8F95 algorit'm assigns t'e radio c'annel for eac'

indi#idual connection wit'

)o3ile 5llocation freuenc6 7)5:

)o3ile 5llocation IndeB ffset 7)5I:

Radio Timeslot 7TS":

Training Seuence 9ode 7TS9:

&ower le#el in uplink and downlink

SC/"4 7;CAA3'"4m

TS /"4 LM

6PS Sa"e"e

SC%SC L

8requency Allocation Management%8CA Channel Selection 7rinciple


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Internal


p

8F95 radio c'annel selection uses

connection specific 9+I targets

Se#eral 9+I estimations are produced

for eac' a#aila3le radio c'annel

9+I estimations rel6 on t'e fact t'at t'e

interference relations in 8F95 network

are sta3le and predicta3le 3ecause of

?SS s6nc'ronisation and controlleduse of c6clic freuenc6 'opping

9+I estimations are performed 36

com3ining information from se#eral

sources

> ?ackground interference matriB 7?I):

> )S measurement reports

> ("+8" power control data

> 8F95 radio resource ta3le

> 8F95 adacent c'annel lookup ta3le

C4ae ReG8e!"

7;CA A3'"4m

C4ae A'ca"'

MA, MAI#, TSL, TSCTS a MS P'/e

N' Rea Tme I9'ma"' ac3'8 I"e9eece Ma"x

Nea Rea Tme I9'ma"'

MS Mea!8eme" Re&'"!

L@7L P'/e C'"' 7a"a

Rea Tme I9'ma"'

Ra' C4ae !a3e I9'ma"'

Exam&e '9 C@I Ta3e"!-

C@I TAR6ET ;R (CI;)

C@I TAR6ET HR (CIH) 15

C@I TAR6ET AMR ;R (CIA;)

C@I TAR6ET AMR HR (CIAH) 12

C@I TAR6ET 15B5 7ATA (CIT) 1

8requency Allocation Management%ynamic 8requency and Channel Assignment


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Internal


y q y g

5 c'annel assignment sc'eme t'at a3olis' freuenc6 planning for

non ?99/ TRDs 7traffic TRDs s'ould 3e defined as 8F95:

?S9 will d6namicall6 assign t'e most suita3le time slot4 )5 list and

TS9 for eac' connection ^ automaticall64 36 estimating t'e 9+I on

t'e 3asis of )S measurement reports and t'eir consolidation in

?I) 7?ackground Interference )atriB: ta3les In order to 'a#e

relia3le measurements4 t'e usage of I%< 0A listsis suggested

T'is means t'at e#er6 connection 'ops independentl6 from t'eot'ers 78F95 'opping mode:

To ac'ie#e t'is4 s6nc'ronisation 3etween sites is needed -U ")(

must 3e installed in e#er6 site 7")( recei#e G&S signal clock:

To ac'ie#e inter-?S9 s6nc'ronisation4 ?S9-?S9 interface 7I&

3ased: is needed

3he goal is to provide a radio channel with sucient *?I that depends onthe tpe of the connection "i&e& meet diHerent Jo7 reKuirements for 9,09, M9 9, M9 09% ever connection tpe has a *?I target that thealgorithm alwas tries to meet

3he goal is to provide a radio channel with sucient *?I that depends onthe tpe of the connection "i&e& meet diHerent Jo7 reKuirements for 9,09, M9 9, M9 09% ever connection tpe has a *?I target that thealgorithm alwas tries to meet

E$ec" =>a signiLcant capacit and?or Kualit gainE$ec" =>a signiLcant capacit and?or Kualit gain

8requency Allocation Management%8CA Cell Configuration and 8requency 2opping


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Internal


g q y pp g

Freuenc6 3and is di#ided into two

parts for 8F95 operation

> ?99/ freuencies

> 8F95 freuencies

?99/ freuencies are planned in a

con#entional manner

8F95 freuencies are defined 36one or more )o3ile 5llocation 7)5:

lists

ne 8F95 )5 list can contain up to

$2 freuencies

8F95 uses c6clic freuenc6'opping 7ie /SN*:

?S9 can freel6 select t'e )5 list4

)5I4 and TS9 for eac' indi#idual

T9/ acti#ation

;eG8ec

Tme

20

12

5

CCHS7CCH

6PRS@E76E Te"'

TRX 1

TRX 2

TRX

TRX 5

20

1

N' ;H

7;CA ;H

7;CA ;H

7;CA ;H

Exam&e '9 ccc 9eG8ec4'&&3 /"4 !x 9eG8ece!-

9 2, 9 0, 9 1, 9 2, 9 , 9 5

1, 1

1, 2

1, 0

8requency Allocation Management%8CA


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Internal


.* is given a dedicatedfreKuenc pool that is dividedinto M lists

.* is given a dedicatedfreKuenc pool that is dividedinto M lists

),$

),)

),

),(

,$

,)

,

),$

),)

),

),(

,$

,)

,

$ ) ( 4 - '

$ ) ( 4 - '

3ime7lot

- )4 )( )( )

)$ D )' )4 F

)) ' D D )(

)$ )( ) ' F

- ( )' )( )

)( )$ )) )D

F 4 )) )

F )) )- )$

- )4 )( )( )

)$ D )' )4 F

)) ' D D )(

)$ )( ) ' F

- ( )' )( )

)( )$ )) )D

F 4 )) )

F )) )- )$

>o

t

available

>o

t

available

>o

t

available

*?I

matrix

M,

MIO

-$ - -4-'

-$ - -4-'

-) -( ---

-) -( ---

M5

M5

M)5

M)5

.* freKuencpool

.:meas

report

.:meas

report

7tatistical *?Idata"#IM%

*

I

*?I matrix is calculated basedon5

.: measurement report

statistical *?I data "#IM%

active connections in

interfering cells

*?I matrix is calculated basedon5

.: measurement report

statistical *?I data "#IM%

active connections in

interfering cells

.* chooses the M, MIO andtime slot that is suitable for thenew connection and minimiNesthe impact on all the existing.* connections in the network

>etwork level *?I is alwasmaximiNed

Ever connection hops with itsown seKuence "combination of allpossible M lists and MIOs%

.* chooses the M, MIO andtime slot that is suitable for thenew connection and minimiNesthe impact on all the existing.* connections in the network

>etwork level *?I is alwasmaximiNed

Ever connection hops with itsown seKuence "combination of allpossible M lists and MIOs%

Requirements%8CA


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et+ork element Soft+are release required

?S9 S11 A8;1 or later

Nokia FleBi A8GA ?TSs A&2*

Nokia (ltraSite ?TSs 9D%1 or later

Nokia )etroSite ?TSs 9D%1 or later

Nokia Talk-famil6 ?TSs Not supported

Nokia Insite ?TSs Not supported

Nokia &rimeSite ?TSs Not supported

Nokia 2nd Gen ?TSs Not supported

")(4 ")( )anager %% or later

")(?4 ")( )anager 1* 981

)S9 No reuirements

Nokia Net5ct SS% or later

SGSN No reuirements

et+ork element 2ard+are requirements

?S9 ?S9$i or ?S92i is reuired?S92i reuires 9&;)D 9&( cards inall units4 and 9&"5N-S panel is also reuired

T'e ?S9s t'at use 8F95 and 'a#eadacent ser#ice areas must 3e connected to eac'ot'er wit' ?S9- ?S9 connection T'is ma6 reuire

"5N ca3ling4 'u3s+switc'es and ot'ernetworking euipment

?TS 8F95 reuires eit'er (ltraSite4 FleBiA8GA4 or )etroSite 3ase station T'e (ltraSite 3asestation reuires wide3and com3ining or no

com3iners 8F95 is not supported wit'RT9 com3iners

")( 8F95 reuires ?SSs6nc'ronisation

T'is reuires t'at one locationmeasurement unit 7")(: is installed in e#er6 ?TSsite w'ere 8F95 is used

T9S) No reuirements

SGSN No reuirements


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Ma;imise raffic supported per site +ith %8CA

Total ?@ a#aila3leE % %)'! 7GS)1.**:


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Internal


Total ?@ a#aila3leE %%)'! 7GS)1.**:

RegionE Surat4India 7(ninor:

9'allengesE

Rapid traffic growt' "imited spectrum meant deteriorating

network ualit6 as site configuration waseBpanded to cater to traffic surge

5#erage configuration $L$L24)aBE %L$L$

9urrent status 7post 8F95:E 5ll sites eBpanded to %L%L%

Reduced ?locking4 . additional traffic

)uc' 3etter 0ualit6 wit' increasedtraffic carr6ing capa3ilit6 > wit'outan6 additional capacit6 site_

9ustomer will now deplo6 8F95 on


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Internal


Traffic capacit6 wit' a#erage . TRD+site in t'is cluster was 1*12 Arl

5fter 8F95 Traffic carr6ing capacit6 of t'is cluster is 1


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Internal


* impro#ement in 8ropped 9all Rate 2* impro#ement in Good 0ualit6 samples 5ll t'e a3o#e 0oS impro#ements ac'ie#ed e#en wit' /ig'er carried

traffic in t'is cluster__

No additional sites deplo6ed4 site configurations maBimised 8irect impact on new site related 95&AD J &AD for operator

%8CA projects


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Internal


ngoingE

1:T5T54India E 1** sites2:(ninor4IndiaE


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Internal


Channel utili3ation related features

SAIC6 %AR7

SIRC

Antenna 2opping

8requency Allocation ManagementSAIC and %AR7 on %


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Internal


SAIC Single Antenna Interference

CancellationGeneric term for a recei#er algorit'm utili!ing oneantenna 7in a 'andset:

NokiaHs p'ase 1 S5I9 is a proprietar6 algorit'm

%AR7 %o+nlink Ad.anced Recei.er7erformance

$G&& standardi!ed feature for 2G utili!ing S5I9and uplink signaling

Introduced in Rel-; as release independent feature

9an 3e introduced to terminals supporting earlier

$G&& releasesNokiaHs p'ase 2 S5I9 is $G&& compliant 85R&feature

8requency Allocation ManagementSAIC and %AR7


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Internal


A! "4e 8m.e '9 8!e! cea!e! '&ea"'!9ace a ee "' cea!e "4e e"/'

ca&ac"B

A! "4e 8m.e '9 8!e! cea!e! '&ea"'!9ace a ee "' cea!e "4e e"/'

ca&ac"B

Ce e%&a3-Ce e%&a3-

Introduce new andsmaller cells&

Introduce new andsmaller cells&

Increase freKuencre1use factor

Increase freKuencre1use factor

I ma 8.a ce! ca&ac" ! m"e ."e9eece '/ ec"'

I ma 8.a ce! ca&ac" ! m"e ."e9eece '/ ec"'

Im&'De !!"em&e9'mace

Im&'De !!"em&e9'mace

reKuenc hopping reKuenc hopping

Gower control

Gower control

.3C.3C M9

M9

7ARP@SAIC7ARP@SAIC

Ex&e!De 9''&ea"'!

Ex&e!De 9''&ea"'!

7I* does notreKuire an

networkchanges&

7I* does notreKuire an

networkchanges&

.*

.*

8requency Allocation ManagementSAIC


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Internal


Ne34.'TS

9c

!e1

SeD3TS

Owncell

7I* is digital signal processingtechniKue, which uses the

correlation properties of a


125/150

Internal


et+orks utili3e the SAIC:%AR7 performance gain through

the e;isting po+er control loopsF +o options e;ists

et+orks utili3e the SAIC:%AR7 performance gain through

the e;isting po+er control loopsF +o options e;ists

(5 Impro.e % R; quality(5 Impro.e % R; quality

)aintain similar 8" TB power

as for a con#entional terminal

(tili!e 85R& gain to impro#e

8" RB ualit6 7eg speec'

ualit6 or t'roug'put:

T'is strateg6 is c'osen w'en

RB ualit6 needs to 3e

impro#ed

)5 Reduce % ; po+er)5 Reduce % ; po+er

(tili!e ?TS power control

mec'anism to reduce t'e 8"

TB power

)aintain similar 8" RB ualit6

as a con#entional terminal4 3ut

wit' less emitted power

T'is strateg6 is c'osen w'en

RB ualit6 is alread6 good

8requency Allocation Management%i.ersity techniques on ,


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Internal


Interference Reection 9om3ining 7IR9:

First IR9 identifies and reects an6 interfering signals in eac' of t'e pat's t'en com3ines as per

)R9

It is ideal in canceling a single 7 co c'annel or 5dacent: interferer Ie t'e gain is maBimum w'en

8IR 78ominant to rest of t'e Interference Ratio: is 'ig'

)aBimum Ratio 9om3ining 7)R9:

9om3ines t'e signal according t'e eac' pat's SNR

ptimal com3ining w'ere t'e interference is t'ermal noise or t'ere are large num3er of interfering

signals

Space Time Interference Reection 9om3ining 7STIR9:

Impro#ing t'e w'itening U impro#ing performance in interference scenarios

An'anced S6m3ol Spaced Recei#er 7ASSR:

T'e ASSR pro#ides impro#ed (" interference reection performance for 3ot' traffic and signalling

c'annels

T'e ASSR onl6 supports G)S] modulated c'annels

Implemented in (ltraSite ?TS S@ 9D%1 7remo#ed in %1 981 due T5 issues4 planned again in 9D

*:

5n uplink recei#er en'ancement designed for use in A-9ell and configurations t'at use A8GA

3ase3and 7??2A+F: wit' a non-A8GA TRD7TSB5:


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8requency Allocation ManagementAntenna 2opping


128/150

Internal


5ntenna /opping is a downlink performance en'ancement featuredesigned to impro#e link performance w'ere freuenc6 'opping is not inuse or not effecti#e due to 'ig' correlation 3etween freuencies> @it' 5/ t'e impro#ement is more su3stantial on t'e non-'opping la6er 3ecause

t'at 3rings it to almost eual link performance wit' t'e 'opping la6er> Furt'ermore4 wit' t'e 5ntenna /opping feature it is possi3le to ac'ie#e space

di#ersit6 to t'e regular RF 'opping configuration4 w'ic' means t'at t'ere is adistance t'at separates two or more transmitting antennas4 pro#idinguncorrelated signals 5t t'e mo3ile unit a separation of 'alf a wa#elengt' is t'eminimum for o3taining uncorrelated signals

2d? 8"+(" gain in #er6 narrow 3and wit'out an6 additional TRD

8istance

8istance

8istance

Radio9'annel

Radio9'annel

5#eragerecei#edcarrier powero#er 3urst

ne antenna

Two antennas wit' 88

Two antennas wit' 88 L &/4 or 5/

TD 1

TD 28ela6 L &/

TDdata

Speec' frame duration at $ km+'E

8istance

8istance

8istance

Radio9'annel

Radio9'annel

5#eragerecei#edcarrier powero#er 3urst

ne antenna

Two antennas wit' 88

Two antennas wit' 88 L &/4 or 5/

TD 1

TD 28ela6 L &/

TDdata

Speec' frame duration at $ km+'E

%p$ion* fe$)re


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Internal


ools/ptimi3er

/ptimi3er7rocess


130/150

Internal

1$* Nokia Siemens Networks

Tool setup 5ntenna data including repeater info

)ap 7not mandator6:

)easurement collection Total FA& measurements wit' )?5" 7FA& is recommended:

?locking figures for calculating load factors and )5 list si!e

Neig'3our optimi!ation 5dding and remo#ing neig'3ours 7cleanup:

Interference anal6sis 7cleanup 'ea#6 interferers 7eg antenna tilt::

Freuenc6 and ?99+N99 planning wit' optimi!er ?99/ and T9/ 3and planning in no 'opping4 ?? 'opping4 RF 'opping en#ironment

@eig'ting planning for co- and adacent c'annels &enalt6 set for different relations 7cost function:

Result anal6sis 9omparison of plan and actual plan on 3ot' ?99/ and T9/

etAct /ptimi3er

For automated measurement !ased optimi3ation


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Internal

1$1 Nokia Siemens Networks

For automated6 measurement !ased optimi3ationof operational GS)J@98)5 networks

Impro.ed optimi3ation accuracy

&arameter tuning is done 3ased on

network statistics > no predictions

5ccurate results wit' accurate input > no fine tuning

More efficiency .ia automation

Seamless support for optimi!ation process p'ases

5utomated data transfers #ia Net5ct integration

Cisuali!ation and anal6sis to 'elp

decision making for optimi!ation tasks Focusing on essentials

etAct

/ptimi3er

etAct /ptimi3er/ptimi3ation 7rocess for /perational et+orks


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Internal

1$2 Nokia Siemens Networks

W'O'/A8"'ma"'

C'!!"ecc4ec!

A8"'ma"ec4a3e

'/'a

7ec!'S8&&'"

V!8a!e

Aa!e

#&"m!e

P'D!'

#&"m!e

Ma8a

#&"m!eA8"'ma"c

Eeme"! a

C'38a"'

PI! aaam!

Pe9'maceAa!!

7e"ec" a7a3'!e

CM, PM, ;MC'ea"'

Aa!!

Ve9&e9'mace

Sc'&eSeec"'

Re!8"Deca"'

etAct /ptimi3er /ptimi3er modules


133/150

Internal

1$$ Nokia Siemens Networks


134/150

Internal

1$% Nokia Siemens Networks

etAct/ptimi3er

Afficienc6 of s'ared Net5ct installation

9ommon /@4 administration4 look and feel4 documentation

5ccess to optimisation functionalit6 can 3e controlled

5utomation t'roug' seamless Net5ct integration

5ctual 9) data uploaded automaticall6 from R59 8?

5utomated access to ]&Is> Nig'tl6 calculation from raw counters in &) 8?> Import from preferred &) tool 7integration proect:

ptimisation results stored as plans in R59 8?

)easurement 3ased optimi!ation for t'e ke6 tasks

GS) freuenc6 and ?SI9 plan optimi!ation

Interference control for @98)5

Seamless adacenc6 and 'ando#er

management for GS) J @98)5 9apacit6 and 0oS optimisation

Cisualisation and anal6sis functionalit6

Topolog64 parameters4 ]&Is in one #iew

/ptimi3er inter+orking in etAct

5utomated access of configuration parameters

( l d d t l 9) d t d t d i ti i


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Internal


(ploaded actual 9) data updated in ptimi!er

nig'tl6 from R59 8?

> )ost important elements and parameters> Site J antenna information to s'ow t'e cells on map

&lanned data supported4 too

ptimi!ation results stored in R59 8? for

centrali!ed pro#isioning

&lans a#aila3le in 9) perations )anager)easurement control in Net5ct 5cti#ation and control of standard and

special measurements

5utomated retrie#al of ]&Is

Nig'tl6 calculation of ]&Is from &) 8? raw counters> FiBed ]&I formulas used> 8ail64 8ail6 ?/4 @eekl64 @eekl6 ?/ le#els> Selected ?SS and R5N ]&Is for optimi!ation

@it' integration proect t'e ]&Is can 3e retrie#ed

from a preferred &) tool

Pisuali3ation and analysis

5 t'oroug' understanding of t'e current network statusi ti l 3 f t ki ti i ti ti


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Internal

1$; Nokia Siemens Networks

is essential 3efore taking an6 optimi!ation actions 9onfiguration audits

&arameter setting c'ecks

&erformance o#er#iew

ptimi!er pro#ides efficient means

to #iew all t'is geograp'icall6 To identif6 t'e pro3lematic elements

for furt'er anal6sis

New tec'nolog6 and ser#ices reuire

new knowledge ptimi!er com3ines t'e essential information

toget'er for meaningful entities

Aas6 understanding of t'e dependencies

Common functionality for GSMWC%MA

Geograp'ical #isuali!ation and anal6sis


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Internal

1$< Nokia Siemens Networks

g p 6 ]&Is and parameters automaticall6 on map 9ustomi!ed ualit6 t'res'olds

Grap'ical adacenc6 management 5ctual adacencies on map )anual or automated distance 3ased

management of all adacenc6 t6pes ?order area adacencies

&arameters from templates automaticall6 Scram3ling code collision c'eck and correction Instant pro#isioning for Nokia elements

&owerful parameter management

wit' ?rowser

]&Is and parameters in t'e same #iew 8edicated4 customi!ed #iews per task ne-36-one or mass editing of parameters 9'ange tracking

)anagement of plans 3etween R59 and ptimi!er

Measurement !ased GSM optimi3ation

Interference )atriB generation 3ased on mo3ile measurements


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Internal

1$. Nokia Siemens Networks

SC

SeD3TS

9ontrol for t'e ?SS measurements Generation of interference matriB

Cerification of interference #alidit6

Interference root cause anal6sis 9omplemented wit' Timing 5d#ance anal6sis

5utomated 5dacenc6 )anagement 5utomated algorit'm to propose optimal adacencies

(nused adacenc6 deletion 3ased on / statistics )issing ones created 3ased on interference matriB

&erformance optimi!ation Freuenc6 allocation 3ased on

measured interference

5ll 'opping modes supported 5ll RF 'opping t6pes supported 5llocation completed wit' ?SI9 allocation

and ot'er parameters

Interference matri; from 0SS measurements

ptimi!er uses t'e ?SS measurements for interference matriB generationand furt'er to adacenc6 and freuenc6 plan optimi!ation


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Internal

1$, Nokia Siemens Networks

and furt'er to adacenc6 and freuenc6 plan optimi!ation 9F J 859 measurements or totalFA& measurement of S11

)et'od to measure interference in all ?99/ freuencies Fast and efficient measurement process

SC

TS

#:#: #:#: #:#:

AL = A CCH

CCH '9 8eece!

BBBa eeaQace" ce!

Ac"De MS

GS) standard / procedure usedin t'e 3asis of measurements 5ll acti#e mo3iles listen t'e

neig'3oring cell ?99/s and

report t'e ; strongest to ?S9Special measurement in Nokia ?SS

9F and 859 in S1*4 total FA&in S11

Temporar6 ?5 lists defined formeasurement period to includeall surrounding cell ?99/s

)o3iles measure all ?99/s in

?5 list ?S9 collects and stores t'e data

and forwards to Net5ct 8ata collected for few da6s

ptimi!er generates t'e interferencematriB fromt'e measurements

Interference root cause analysis

ptimi!er generates t'e interference matriB automaticall6


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Internal

1%* Nokia Siemens Networks

9o-c'annel and adacent >c'annel matrices

9+I pro3a3ilit6 and 5#erage Recei#ed &ower #alues calculated

?efore t'e interference is used in optimi!ationmeasurement #alidit6 andinterference root cause can 3e anal6!ed

Statistics to #erif6 t'at t'e measurementsare relia3le and t'oroug'l6 collected

> 5mount of sample4 traffic4 co#erage #alue

)et'ods to anal6!e t'e

interference root cause

> #ers'ooting cells> 8istance to interferer

8requency allocation procedure

5nal6!e t'e current performance


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Ciew t'e ]&Is and allocation on map and 3rowser

89R4 call ualit64 ?99/s4 'opping modes

9ollect interference measurements

@it' 9F and 859 measurements in ?SS

Generate and #erif6 interference matriB

9'eck t'at all cells are measured

5nal6se interference location and root cause

&erform allocation ?99/ and T9/ allocation

RF /opping allocationE )5-lists4 )5I parameters4 /SN

t'er necessar6 parametersE TS94 ?SI94 all I8s

Cerif6 results

Ciew allocation on grap's4 ta3les and map

8ownload plan to network wit' Radio 5ccess 9onfigurator

9entralised pro#isioning for t'e w'ole area

(sing sc'eduled download4 3ackground 8? etc

Automated Adjacency /ptimi3ation for (G

5utomated adacenc6 optimi!ation 3ased on measurements 8 l ti f d d i 3 d / it i


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8eletion of unused adacencies 3ased on / criteria> (ser defines t'e t'res'olds for

/ attempts and / success criteria> Sometimes t'e correcti#e action is to tune

t'e / parameters4 not delete t'e adacencies

5dacenc6 creation 3ased on interference matriB> Signal strengt' 3etween source and

target cells considered

Result #erification on ta3le #iew and map

9entrali!ed4 automated download to network @it' Radio 5ccess 9onfigurator

9) perations )anager

Instant 5dacenc6 &ro#isioningacti#ates t'e pro#isioning process

in 3ackground from ptimi!er

Seamless adjacency management

Grap'ical adacenc6 management on map GS) @98)5 inter s6stem adacencies


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GS)4 @98)54 inter-s6stem adacencies

Initial adacenc6 creation algorit'm 9ell location 3ased

5dacenc6 management o#er 3order areas 9ontroller areas4 "594 &9( areas Net5ct regions4 #endor regions

5utomated parameter completion fromtemplates 9ell templates from 9) Aditor are used Template assignment rules defined in

ptimi!er per adacenc6 t6pe

Instant adacenc6 pro#isioning 5cti#ating t'e pro#isioning process in

3ackground Calid for all kinds of adacencies 9'anges still stored into a plan


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i.e net+ork results/perator) +ith increased AMR 2R traffic

/perator( +ith %8CA

/perator) @ AMR 2R increase


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Spectrum allocation for refarming

;2 c'annels were used 3efore refarming 2 c'annels were remo#ed

$< c'annels are currentl6 used in GS),**

8rop rate

?efore refarmingE * 5fter refarmingE *,

5fter optimi!ationE *

Traffic #olume 7summer 'olida6 time is compared wit' autumn time:

?efore refarming in a ?R clusterE .** Arlang 5fter refarming in t'e same ?SS cluster ,,; Arlang L 2* Arlang on

(,**


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C2 %rop Call Ratio


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Date post:	03-Jun-2018
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Module 3 - Refarming

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