DFCA Knowledge Sharing Session.pdf

7/25/2019 DFCA Knowledge Sharing Session.pdf

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Competence Transfer Session on DFCACompetence Transfer Session on DFCACompetence Transfer Session on DFCACompetence Transfer Session on DFCA


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Current situation in radio interface

NON REAL TIME INFORMATION

NEAR REAL TIME INFORMATION

DFCAAlgorithm in BSC

Channel request for a call

Background Interference Matrix in BC

DFCA algorithm is run for each call setup and incoming handover

Introduction: PrincipleIntroduction: PrincipleIntroduction: PrincipleIntroduction: Principle

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REAL TIME INFORMATIONChannel Allocation

MA+MAIO+TSL+TSC po!er level

M .easure.ent re/orts

0L#+L /o-er control data in BC

Radio channel usage data in BC


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+FCA+FCA

LM0

DFCA Network ArchitectureDFCA Network ArchitectureDFCA Network ArchitectureDFCA Network Architecture

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BC ! BC &

I2 net-ork

3 ! LM0#site required for B s4nchroni5ation

3 +FCA RRM algorith. located in BC

3 BCs connected 6ia inter BC signaling link 7I28ased connection9


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BSS SynchroniationBSS SynchroniationBSS SynchroniationBSS Synchroniation


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TS" TS#

TS" TS#

TS" TS#

TS" TS#

TS" TS#

$on S%nchronised BSS

Cell !

Cell &

Cell 1

Cell "

Cell '

Cell !

Cell &

Cell 1

Cell "

Cell '

S%nchronised BSS

TS" TS#

TS" TS#

TS" TS#

TS" TS#

TS" TS#

TL Offset

$

$

$

!

!

Synchronied ! NonSynchronied ! NonSynchronied ! NonSynchronied ! Non""""Synchronied BSSSynchronied BSSSynchronied BSSSynchronied BSS

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3 Interference can 8e esti.ated on ti.e slot le6el:4ou kno- exactl4 ho- a T is interfered onl4 84connections in other cells

3 Ti.e slots aligned) ! T shift 84 TL Offset/ara.eter for 8etter ACC; /erfor.ance

3 Rando. relation 8et-een ti.e slots3 Ti.e slot le6el +L interference esti.ation

i./ossi8le < 4ou don=t -hich TL of cell ! isinterfered -ith T! of cell&

B 4nchronisation is .andator4 8ase for +FCA in order to achie6e .eaningful C#I .easure.ents7also AIC 8enefits fro. s4nch9

3 4nchronisation /ro6ided 84 the Location Measure.ent 0nit 7LM09

3 One LM0 # BT site needed

3 LM0 fixes the air interface s4nchroni5ation to >2 clock and /ro6ides BT -ithcorrect fra.e clock


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3An LM0 -ith a >2 antenna is /laced ate6er4 BT site in the s4nchroni5ation area?

3Each LM0 recei6es the reference clock signalfro. the >2 s4ste. and su//lies the BT site

-ith a consistent fra.e clock ad@usted 84 fra.enu.8er offset andTL offset?

BTS

3The LM0 is the .aster clock for all the BTs onthe BT site?

#ow the synchroniation is achie$ed%#ow the synchroniation is achie$ed%#ow the synchroniation is achie$ed%#ow the synchroniation is achie$ed%

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3The BCF next to the LM0 is called the .asterclock BCF? It /asses the in/ut fro. the LM0signals straight through to the follo-ing BT inthe chain) and uses the LM0 signal as a referencefor its internal clocks?

BC controls the s4nc? reco6er4 and su//lies the LM0s -ith the 6alues for FNO and TL offset?

BC kee/s track of s4nchroni5ation status of the net-ork?

4nch status Check : 7LM0 4nc) A8is 4nc or 0ns4nc9 : MML co..and EFL?


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3 &ith S%nchroni'ed BSS( all SC)transmissions are aligned ma*ing BSICdecoding process slo!

3$ecessar% to dealign SC) ,ursts ofdifferent cells

-lannin F$O .alue

BSIC Decodin&BSIC Decodin&BSIC Decodin&BSIC Decodin&Frame Num'er (ffsetFrame Num'er (ffsetFrame Num'er (ffsetFrame Num'er (ffset

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3 -lot sites on a map and allocate F$O

3 /se other planning rule li*e F$O 0 BCF id

3 /se neigh,or relations

3 All methods are O1 as long as the F$O

varies from site to neigh,oring sites


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-ro,lem

3 &ith all BTSs s%nchroni'ed( all SACC) occur at the same time

3 SACC) interference !ill still ,e seen after F$ offset is applied 2since it is amultiple of TDMA frame period3

Solution

SACC# PerformanceSACC# PerformanceSACC# PerformanceSACC# PerformanceTimeslot (ffsetTimeslot (ffsetTimeslot (ffsetTimeslot (ffset


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3 /se of timeslot offset parameter 24 or "33 Avoids SACC) performance degradation

3 Decreases coincident SACC) traffic ,% 546

$ote7 &ith Fle8i F$O Feature( no need to plan LTO settings9 LTO04( Al!a%s::


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MO

Class

Abbreviated

Name

Range And

StepDescription

Default

value

BSC -

MMLName

LMUA fnOffset 0...51, step 1Defines the frame number offset for FN phasing used in BSSsynchronization. NOTE: Modification can be made online if

synchronization of LMU area's BCF is disabled.

65535 FNO

LMUA id1...65534, step

1

Defines the identification for the LMU area to be created. LMU area is

used for Synchronized BSS and/or Position Based Services.LMUA

LMUA lmuE ui BcfId 1...2000, ste 1

Defines the base control function of the LMU equipment. NOTE: MMLRange: The range depends on the BSC hardware configuration and the As per

BCF

)*+ Parameters)*+ Parameters)*+ Parameters)*+ Parameters

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correspon ng op ons. : qupmen canno e

modified.

LMUA

lmuEquiptransm

issionEquipment_ID

1...254characters

Defines the transmission equipment index. The equipment type isalways 'Unspecified transmission equipment'. NOTE: Value 1 is not

allowed in case of Nokia MetroSite, Nokia UltraSite and Nokia FlexiEDGE. In addition, value 18 is the only possible one for Nokia 2ndgeneration BTS. The parameter is obligatory. NOTE: Value range for the

transmission equipment index: 1...254

TRE

LMUA lmuTslFnOffset 0...7, step 1

Defines the Time Slot Offset for FN phasing, which is used in BSS

synchronization. Modification can be made online if synchronization ofLMU area's BCF is disabled.

0 LTO

$ote7 For DFCA( onl% values 4(" are relevant for LTO


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MO Class Abbreviated Name Range And Step Default value BSC - MML Name

BCF clockSource

NONE (remove clock source)

(0), LMU (locationmeasurement unit) (1), BCF

(master clock BCF) (2), PCM

NONE (remove

clock source) (0)CS

BCF ParametersBCF ParametersBCF ParametersBCF Parameters

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(independent mode) (3), LMU-

ABIS (4)

BCF synchEnabledSynch disabled (F) (0), Synch

enabled (T) (1)Synch disabled

(F) (0)SENA


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BSS )e$elBSS )e$elBSS )e$elBSS )e$el ,,,, Sync confi&uration check -./F)0Sync confi&uration check -./F)0Sync confi&uration check -./F)0Sync confi&uration check -./F)0

ho-s the clocksource

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This BCF is not in 4nc


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BSCBSCBSCBSC""""BSC InterfaceBSC InterfaceBSC InterfaceBSC Interface


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Require.ents:3 ea.less +FCA o/eration across BC

8orders +FCA algorith. needs infor.ation fro.

neigh8oring cells in another BC3 Critical in dense areas -ith lot of BC8orders

BSC

DFCA

IP-networkIP Network

BSCBSCBSCBSC""""BSC Interface -BBI0BSC Interface -BBI0BSC Interface -BBI0BSC Interface -BBI0($er$iew($er$iew($er$iew($er$iew

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olution:

- The +FCA BCs are connected to eachother 6ia I2 net-ork 7CC2 o6er I29

- Channel allocation info and statistical C#Idata are exchanged 8et-een the BCs

BSC

BSC

DFCA

BSC

DFCA


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*ain procedures o$er BBI*ain procedures o$er BBI*ain procedures o$er BBI*ain procedures o$er BBI

- Measure.ent Relation Initiation

- BIM 0/date

- 2C and Neigh8or cell C#I 0/date

- Cell info exchange 8ased on Inco.ing BIM

- Cell info exchange 8ased on Outgoing BIM

- Measure.ent relation ter.ination

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Addressin& in BSCAddressin& in BSCAddressin& in BSCAddressin& in BSC""""BSC InterfaceBSC InterfaceBSC InterfaceBSC Interface

3 E6er4 BC is assigned an 2C 7CC2 ignalling 2oint Code9 during the creation ofA interface

3 LACto2C .a//ing ta8le allo-s +FCA algorith. to find out the BC 72C9 that

controls a /articular external cell3 The ta8le has to 8e defined to include the LACs

That are used in +FCA area

3 If a LAC is re/orted for a cell 8ut not listed in the ta8le)

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distur8ance alar. is raised 1&$ 0nkno-n 2otentiall4 Interfering cell for +FCA


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Addressin& in BSCAddressin& in BSCAddressin& in BSCAddressin& in BSC""""BSC InterfaceBSC InterfaceBSC InterfaceBSC Interface

ParametersParametersParametersParameters

MO

Class

Abbreviated

Name

Range And Step DescriptionDefault

value

BSC - MML

Name

SPC lacToSpcId 1...64, step 1

Defines a mapping entry index which is an

indication of a mapping relation between alocation area code and a signalling point code

in the LAC to SPC mapping info.

MEI

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SPClocationAreaCod

e1...65533, step 1

Defines the LAC id which will be mapped with

a SPC code.LAC

SPC spcList1...16777215, step

1

Defines the SPC code which will be mapped

with a location area code.SPC


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'!&) !

'!") "1

'&$) !

'!) !&

'&!) "1

'!1) &1

Ad@acent cell list:BCC;) BIC'!" ) "1'&$ ) !'! ) !'!1 ) &1'&! ) "1

BTSA

BT A handover candidates

B

;nsuring MS Measurements


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'!) !

'!') "1

Nor.al acti6e .ode BA list:'!1) '!") '!) '&$) '&!


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BA list len&thBA list len&thBA list len&thBA list len&th

3 BA list defined for each indi6idual cell

3 BA list .ust ha6e all the BCC; frequencies that are used in the +FCA net-ork

3 +ual 8and net-orks .a4 face the situation that the nu.8er of BCC; for 8oth 8andis .ore than the .ax BAL length allo-ed

T4/icall4) dual 8and net-orks -ill hit the .ax li.it of 1! freq in the BA list

Custo. BA lists needed for each cell

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3 I Co..on BCC; an I;O are acti6e) t e BA ist can a6e .ax &D requencies

3 Ge .ust not Ho6er 8uild BAL -hich could take a-a4 slot fro. .easure.ent re/ortto /erfor. less relia8le hando6er


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Definin& BA listsDefinin& BA listsDefinin& BA listsDefinin& BA lists

3 BA list is set to 8e used 84 the M in acti6e .ode

3 BA list .ust ha6e all the BCC; frequencies that are used in the +FCA net-ork

3 BC re.o6es the BCC; freq of the source cell auto.aticall4 8efore sending the listto the BT 7on 4s Info .essages9

3 For CBCC; configuration) the BA list .ust 8e attached to the eg.ent 7not theBT9

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BA )ist parametersBA )ist parametersBA )ist parametersBA )ist parameters

MO

ClassAbbreviated Name Range And Step Description

Default

value

BSC - MML

Name

BTS idleStateBcchAllocListId 1...2000, step 1

Defines the BCCH frequency list used by idle MSs.

This list is used for cell reselection and is sent on

the BCCH. NOTE: MML range: 0...2000 0 (BCCHfrequency list is taken from the adjacent cells

defined for the BTS)

0 IDLE

Defines the BCCH frequency list used by activeMS's. This list is used for handovers and is sent on

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3 M uses Idle.ode BA list for acti6e .ode -hen ACT < I+LE

BTS measurementBCCHAllocation

Idle State BCCH List

(0), Adjacent CellsBCCHs (1)

.frequency list is taken from the adjacent cells

defined for the BTS) IDLE (active MSs use the sameBCCH frequency list as idle MSs. The same BCCH

frequency list is defined by BTS parameter IDLE).NOTE: MML values are contrary to those in NetAct

(01)

Adjacent

Cells BCCHs(1)

ACT


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DFCA *A listDFCA *A listDFCA *A listDFCA *A list

3 E6er4 +FCA cell needs a +FCA MA list7s9 attached for use in +FCA ho//ing

3 MA list I+ range in user interface: !1&

3 Maxi.u. nu.8er of frequencies on a +FCA MA list is 1&

3 Each +FCA MA list has a state /ara.eter -ith 6alues J KIn 0se or KOut of 0se

3 Onl4 a list -ith state KIn 0se is acti6e and can 8e attached to a BT

- 0/to 1& +FCA MA lists can 8e attached to a BT

- I./ortant:

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Ad@oining BCs using the sa.e channels should use the sa.e +FCA MAL I+

$ote7 the MA lists must ,e e8actl% the same in all the BSCs of continuous DFCA area:


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DFCA +nsync *A listDFCA +nsync *A listDFCA +nsync *A listDFCA +nsync *A list

3 Additionall4) one nor.al MA list has to 8e attached to a +FCA cell for use in thecase of lost s4nchroni5ation


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DFCA *A list )en&thDFCA *A list )en&thDFCA *A list )en&thDFCA *A list )en&th

3 BC does not check the nu.8er of freq on +FCA MA list and the nu.8er of TRs in the cell

3 Length of the MA list to -hich the BT is attached should 8e at least dou8le the nu.8er ofTRs in the cell

3 A6oid using ad@acent frequenc4 8et-een t-o +FCA MA lists? If not /ossi8le) then MA lists -ithad@acent frequencies should 8e of the sa.e length

3 Certain M .odels ha6e 8een seen to dro/ the call after ho//ing sequence reset ath4/erfra.e rene-al -ith c4clic ho//ing

Follo-ing MA length should 8e used to a6oid dro/s at h4/erfra.e inter6al:

( ?( #( "


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Spectrum PlanSpectrum PlanSpectrum PlanSpectrum Plan

Freq Band 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715

BCCH 15 channels 704 705 706 707 708 709 710 711 712 713 714 715

DMAL 2001 9 channels 694 695 696 697 698 699 700 701 702

DUMAL 1001 9 channels 694 695 696 697 698 699 700 701 702

Guard 703 (used on 13 cells as BCCH)


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-

s.all s/ectru.9 +CR ,2I on hourl4 8asis to see an4 degradation

In case of /ro8le.s) use +MAL &$$& 7.ade of channels9 O6erall /erfor.ance -illdegrade


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BCC; 8and 7!'9)con6entionall4 /lanned

Regular 8and 79)o/tional J eg? .a4 8e

needed for /acket dataca/acit4

+edicated +FCA 8and7!9) sa.e channels for

the -hole +FCA area

($er$iew : DFCA fre1uency allocations($er$iew : DFCA fre1uency allocations($er$iew : DFCA fre1uency allocations($er$iew : DFCA fre1uency allocations

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

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+FCA MA list !

+FCA MA list &

+FCA MA list !

or use single MA list

7/litting rule: e6er4 secondfrequenc4 into the !st list ande6er4 second into the other9

7This is quite a good choice and 6er4 -isefro. o/era8ilit4 /oint of 6ie-9

Note: MA lists .ust 8e exactl4 the sa.e in all the BCs of continuous +FCA areaP

24 26 28 30 32 34 36 38

25 27 29 31 33 35 37 39

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

NOTE: +ue to h4/erfra.e restrictions) not all channels are used? /are channels can 8e used on BCC;#Regular la4er


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O/tion !:

Fre1uency 'and split in an e2ample DFCA caseFre1uency 'and split in an e2ample DFCA caseFre1uency 'and split in an e2ample DFCA caseFre1uency 'and split in an e2ample DFCA case

DMAL1 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Unsused 41

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

+FCA Frequenc4 8and a6aila8le


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O/tion &:Ad@acent lists

Ad@acent lists

3 Fo o- engt restrictions ue to 4/er

fra.e inter6al3 +efine MA lists of the sa.e length if

the4 ha6e ad@acent channels 8et-eenthe.

DMAL1 24 27 30 33 36 39

DMAL2 25 28 31 34 37 40

DMAL3 26 29 32 35 38 41


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ParametersParametersParametersParameters

MO

Class

Abbreviated

NameRange And Step Description

Default

value

BSC - MML

Name

BTS dfcaMaLists 2001...2032, step 1

Defines the DFCA mobile allocation frequency liststhat will be attached to the BTS. NOTE: MML

modification: Online, if DFCA mode is "off" or

"standby" If the DFCA mode of the BTS is "DFCAhopping", modification requires BTS locking.

DMAL

BTSdfcaUnsyncModeM

aList1...2000, step 1

Defines the DFCA unsynchronized mode MA list.

The MA list is to be used in the DFCA TRXs if aBTS in "DFCA hopping" mode loses

synchronization. NOTE: MML range: 0...2000 Value

0 detaches the BTS.

0 DUMAL

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MALD maListState

DFCA In Use (IN) (1),

DFCA Out Of Use(OUT) (2)

Indicates if the list is ready for use or if it is only

created but not yet employed by the DFCAalgorithm.

DFCA Out Of

Use (OUT)(2)

MALS

MALD dfcaMAListGroupId 032 Defines the Group ID of the DFCA MA list DMAG


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Plannin& 3orkflowPlannin& 3orkflowPlannin& 3orkflowPlannin& 3orkflow

Deployment FlowchartDeployment FlowchartDeployment FlowchartDeployment Flowchart


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LMU H/W InstallationLMU S/W Upgrade

FNO/LTO Planning &

Datafill

- DFCA l!sters- Spetr!" Plan

- SDCCH tra##i Anal$sis

- %P'S tra##i Anal$sis

- 'eg!lar (T')* 'e+!ire"ent

- SDCCH 'e-"apping

- T') Deati,ation

(Datafill)

Flag T') additions

DFCA Feat!re ati,ation

SC-SC IP Conneti,it$

DFCA Stand.$

Datafill

Monitor / 0eri#$ dataper#or"ane

T') additionso"pleted

HW and SW A!dit 1SC/ TS/ LMU/ S$n

a.les

SC-SC IP Plan(I*

SS S$n 0eri#iation(Dri,e Tests*

%na.le DFCA SS

Meas!re"ents

SS S$n Ati,ation

Deployment FlowchartDeployment FlowchartDeployment FlowchartDeployment Flowchart

LM/ABSSS%nc

C+BSCI-

F-lan

ning

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IM Ta.le 0eri#iation2Per#or"ane Monitoring

DFCA Ati,ation

Datafill:

DMAL planUTPFIL para"

De#a!lt DFCA para"

Spetr!" Car,e

Per#or"ane Monitoring &Opti"i3ation

Per#or"ane Monitoring &

Opti"i3ation

Additional T')deati,ation to

ati,ate DFCA

%4it 'eport

B

These .a4 require higher lead ti.es


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Back&round Interference *atri2 -BI*0 Ta'leBack&round Interference *atri2 -BI*0 Ta'leBack&round Interference *atri2 -BI*0 Ta'leBack&round Interference *atri2 -BI*0 Ta'le


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BTBCC; !$&BIC '"

BT!&

I

C

C

I

BCCH BSIC C/I(dB)

SEGId

Missedupdate

Status

102 54 12 6 0 ok115 22 18 12 0 ok

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

BCCH BSIC C/IdB

SEGId

Missedu date

Status

BCCH BSIC C/I SEG115 22 15 12--- --- --- ---

BTS" Inco.ing BIM

BTS? Inco.ing BIM

BTS" Outgoing BIM

Interference recei6ed fro. neigh8or

Interference caused to neigh8or

Incomin& ! (ut&oin& BI* ta'lesIncomin& ! (ut&oin& BI* ta'lesIncomin& ! (ut&oin& BI* ta'lesIncomin& ! (ut&oin& BI* ta'les


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C

C

I

I

BIC &&

BT!BCC; %"BIC 1$

115 22 10 12 0 ok

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

BCCH BSIC C/I

(dB)

SEG

Id

Missed

update

Status

74 30 15 1 0 ok--- --- --- --- --- ---

BCCH BSIC C/I SEG74 30 12 1

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

BCCH BSIC C/I SEG

74 30 18 1102 54 10 6--- --- --- ---

BTS? Outgoing BIM

BTS"< Inco.ing BIM

BTS"< Outgoing BIM


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BI* Ta'leBI* Ta'leBI* Ta'leBI* Ta'le """" /2ample/2ample/2ample/2ample

Cell A: Inco.ing BIM

Cell A: Outgoing BIM

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BI* +pdate parametersBI* +pdate parametersBI* +pdate parametersBI* +pdate parameters

MO

Class

Abbreviated

NameRange And Step Description

Default

value

BSC -

MMLName

BSCbimConfidenc

eProb50...95 %, step 5 %

Defines the level of confidence for the estimation used to build a BIM. Itgives the share of users experiencing a C/I equal to or greater than the C/I

contained in the matrix.

80 % BCP

BSCbimInterfThres

hold0...35, step 1

Defines an upper limit for C/I values which are considered as relevant for

the interference estimations. C/I values above the Interference thresholdcan be discarded during the BIM update procedure.

35 BIT

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BSC bimUpdateGuardTime

0...63 period, step 1period If a neighbouring cell is not included in any BIM update for the cell for the

period defined by this parameter, it is removed from the BIM table of thecell. Value 63 = a neighbour is never removed from the BIM

62period BUGT

BSCbimUpdatePer

iod

(0), 10 min, 20 min,

30 min, 40 min, 50min, 1 h (60), 2 h, 3h, 4 h, 5 h, 6 h, 12 h,

24 h

Period between successive background interference matrix updates.Therefore, it is the length of the data collecting period for a single BIM

update. 0 turns off the BIM update procedure2 h (120) BUP

BSCbimUpdateSc

alingFactor0...1, step 0.1

Defines the weighting factor for the C/I value defined during the latest BIM

update period when this is combined with the long term C/I statistics.0.5 BUSF


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M .easure.ent re/ortser6ing cell RLE*

$Neigh8oring cells:BCC;) BIC) RLE*'!" "1 '''&$ ! '1'! ! '$

'!1 &1 "1'&! "1 1$'!& ! &

Cell le6el C#I statisticsBCC;) BIC) C#I counters'!" "1 QQQQQ'&$ ! QQQQQ'! &1 QQQQQ'! ! QQQQQ'!& "& QQQQQ'!1 &1 QQQQQ

'&! "1 QQQQQ'!1 '" QQQQQ'!& ! QQQQQ

Ne- x /ercentile C#IsBCC;) BIC) C#I'!" "1 dB'&$ ! !1 dB'! &1 ' dB'! ! &1 dB'!& "& 1& dB'!1 &1 !$ dB

'&! "1 1 dB'!1 '" D dB'!& ! &$ dB

Each re/ortu/dates thestatistics

2eriodical BIM u/date?0/date /eriod !$.in &"h7/ara.eter B/-9

A C#I -ith '$D'7/ara.eter BC-9 confidence/ro8a8ilit4 is deter.ined foreach neigh8oring cell

BI* +pdatesBI* +pdatesBI* +pdatesBI* +pdates


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BIM lists the cells that cancause interference

For each cell a C/I based onstatistics is listed

This statistical C/I is used ifthe cell is not included in thecurrent measurement report

when DFCA channelassignment is done

Filtering outinsignificant cells Interferencethreshold 1$ dB7/ara.eter BIT9

BCC;) BIC) C#I'!" "1 dB'&$ ! !1 dB'! &1 ' dB'! ! &1 dB

'!& "& 1& dB'!1 &1 !$ dB'&! "1 1 dB'!1 '" D dB'!& ! &$ dB

BCC;) BIC) C#I'!" "1 dB'&$ ! !1 dB'! &1 ' dB'! ! &1 dB

'!1 &1 !$ dB'!1 '" D dB'!& ! &$ dB

Inco.ing BIM 7'!) !&9

Co.8ining the ne- C#I 6alues-ith existing ones

< SBIM u/date scaling factorS/ara.eter B/SF

+

=

oldupdoldnew I

C

I

C

I

C

I

C


37/78

DFCA Functionality ! Al&orithmDFCA Functionality ! Al&orithmDFCA Functionality ! Al&orithmDFCA Functionality ! Al&orithm


38/78

DFCA hoppin& modeDFCA hoppin& modeDFCA hoppin& modeDFCA hoppin& mode

BCC;

Regular TR

BTS

No F; or RF F;

No F;+CC;

+CC; +CC;

BCC; >2R territor4

>2R territor4

Flexi # 0ltraite # Metroite BT-ith -ide 8and co.8iner


Confidential

+FCA TR

+FCA TR

+FCA TR

+FCA TR

TL le6el MA list) MAIO) TCsettings? ;N


39/78

3 Ghen s-itching +FCA on an interi. stand84 /eriod in TAN+B .ode is required

In stand84 .ode) necessar4 interference data of the neigh8oring +FCA cellsis collected into the 8ackground interference .atrix at least one BIM 0/date 2eriod of stand84 needed 8efore acti6ating actual +FCA

;O and 2C algorith.s start collecting and .aintaining BIM data

Measure.ent exchange 8et-een BCs is started

Channel allocation is still con6entional

DFCA *odesDFCA *odesDFCA *odesDFCA *odes

!"#$%#&$!'1D ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

o c ange ta e / ace n or

3 After sufficient /eriod 7see if BIM ta8les are /o/ulated9 in stand84 .ode) +FCA can8e acti6ated

+FCA TRs start +FCA ho//ing

Channel allocations 84 +FCA

3 Turning +FCA on or off requires BT locking

DFCA * d ! DFCA T45DFCA * d ! DFCA T45DFCA * d ! DFCA T45DFCA * d ! DFCA T45


40/78

DFCA *ode ! DFCA T45DFCA *ode ! DFCA T45DFCA *ode ! DFCA T45DFCA *ode ! DFCA T45

MOClass

AbbreviatedName

Range And Step DescriptionDefaultvalue

BSC - MMLName

BTS dfcaModeOff (0),

Standby (1),DFCA hopping (2)

Defines the operational mode of a DFCABTS.

Off DMOD

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Confidential

TRX dfcaIndication Y, N

With this parameter you define whether the

TRX belongs to the non-DFCA or to theDFCA layer when the DFCA mode of theBTS is DFCA hopping.

NOTE: Requires TRX locking if the BTS isDFCA hopping

N DFCA

DFCA Al i h ) d i *


41/78

3 +FCA is gi6en a dedicated frequenc4/ool that is di6ided into MA lists

$ ! & 1 " ' %

Ti.e lot

MA) MAIO

'$ '& '" '

'! '1 '' '%MA &:

MA !:

+FCA frequenc4 /ool

+L.eas

tatistical

C#I data7BIM9

3 A C#I .atrix is calculated 8ased on:

3 +L .easure.ent re/ort

3 statistical C#I data 7BIM9

3 acti6e connections in interferingcells

DFCA Algorithm )o! does it !or*

!"#$%#&$!'"! ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

)

!) $

!) !

!) &

!) 1

&) $

&) !

&) &

&) 1

' !" !1 !1 &!

!$ ! !" D

!! !1

!$ !1 !& D

' 1 ! !1 !%

!1 !$ !! ! %

D % " !! !&

% D !! !' !$

Not

a6aila8le

Not

a6aila8le

Not

a6aila8le

C#I .atrix

C

I

3 +FCA chooses the MA) MAIO and ti.eslot that is suita8le for the ne-connection and .ini.i5es the i./acton all the existing +FCA connectionsin the net-ork

3 Net-ork le6el C#I is al-a4s .axi.i5ed

3 E6er4 connection ho/s -ith its o-nsequence 7co.8ination of all /ossi8leMA lists and MAIOs9


42/78

Checking C#NCell le6el

IncomingBIM

OutgoingBIM

For each DFCA BTS

Calculate BIM scaling factor

Pick TSL, MA and MAIO

Incoming DL&UL CIRestimation + TX pwr setting

Outgoing DL&UL CIRestimation

MS measurement

report

For each connection

INPUTS

IncomingBIM

OutgoingBIM

For each DFCA BTS

Calculate BIM scaling factor

Pick TSL, MA and MAIO

Incoming DL&UL CIRestimation + TX pwr setting

Outgoing DL&UL CIRestimation

MS measurement

report

For each connection

INPUTS

Ti.eslotle6el

C#N is checked co./aring 0L#+LRxLe6 .easure.ents and allo-ednoise le6els 7set as /ara.eters9against C#N soft 8lockingthreshold

BIM scaling factor is a correctionon the C#I 6alue of the BIM ta8le

that takes into account thedistri8ution of the Ms in the cell

For e6er4 co.8ination theinco.in C#I is esti.ated) also

Al&orithm flowchartAl&orithm flowchartAl&orithm flowchartAl&orithm flowchart

!"#$%#&$!'"& ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

For each BSC

DFCA RR table

DFCA adj.-channellookup table

Determine CIR difference

for this TSL, MA and MAIO

All checked

Choose the most suitable

Above softblocking threshold

Determine TSC

Block

No

Yes

No

Yes

For each BSC

DFCA RR table


DFCA RR tableDFCA RR table



Determine CIR difference

for this TSL, MA and MAIO

All checked

Choose the most suitable

Above softblocking threshold

Determine TSC

Block

No

Yes

No

Yes

considering BIM scaling factor of

ser6ing # neigh8ors and /o-erreduction of neigh8ors? 2o-erreduction of ser6ing cell iscalculated

Esti.ation of outgoing C#I fore6er4 co.8ination

Once the .ost suita8le ischosen) the related /o-erreduction is a//lied

After this) AI>NMENT COMMAN+ issent to the M


43/78

3 In co6erage li.ited situation so.e channel.odes .a4 not /ro6ide acce/ta8le qualit4

3 To take this into account) each channel .ode

can 8e assigned -ith C#N soft 8locking threshold

3 If the calculated C#N is less than the C#N soft8locking threshold for a channel .ode) thenusage of that channel .ode is /rohi8ited

ignal le6el

C6N CheckC6N CheckC6N CheckC6N Check

($er$iew($er$iew($er$iew($er$iew

!"#$%#&$!'"1 ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

c ec ensures a e6en e orce

.ode is acti6e) the users -ith insufficient C#Nratio -ill 8e assigned a FR channel

3 Not a//lied in case of urgent hando6ers

Noise floor

C#N li.it AMR FRC#N li.it AMR ;R

+istance fro. BT

AMR ;R U AMR FR allo-ed AMR FR onl4 Blocked



44/78


Noise )e$el ParametersNoise )e$el ParametersNoise )e$el ParametersNoise )e$el Parameters

MOClass

AbbreviatedName

Range AndStep

DescriptionDefaultvalue

BSC -MML

Name

BTS dlNoiseLevel-120...-80 dB,

step 1 dB

Defines a BTS-specific downlink noise level. In the BTSthe margin between the noise level and the downlink

signal level of a connection must be at least the-

-117 dB DLN

!"#$%#&$!'"" ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

.

BTS ulNoiseLevel-120...-80 dB,

step 1 dB

Defines a BTS-specific uplink noise level. In the BTS themargin between the noise level and the uplink signal level

of a connection must be at least the connection type-specific C/N soft blocking limit.

-117 dB ULN



45/78


Soft 'lockin& limitsSoft 'lockin& limitsSoft 'lockin& limitsSoft 'lockin& limits

MO

ClassAbbreviated Name

Range

And StepDescription

Default

value

BSC - MML

Name

BSCdfca144Connection_

softBlockingCn

0...63 dB,

step 1 dBFor circuit switched data connections of 14.4 kbit/s. 14 dB SBCN

3 2ara.eters define the .ini.u. acce/ta8le carrier#noise ratio7C#N9 that .ust 8e .et for the res/ecti6e connection t4/e

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BSC

dfcaAmrFrConnectio

n_softBlockingCn

0...63 dB,

step 1 dB For full rate AMR speech connections. 7 dB SBCNAF

BSCdfcaAmrHrConnectio

n_softBlockingCn0...63 dB,step 1 dB

For half rate AMR speech connections. 12 dB SBCNAH

BSCdfcaFrConnection_s

oftBlockingCn

0...63 dB,

step 1 dB

For full rate and EFR speech connections, and for circuit switched

data connections up to 9.6 kbit/s.12 dB SBCNF

BSCdfcaHrConnection_s

oftBlockingCn

0...63 dB,

step 1 dBFor half rate speech connections. 14 dB SBCNH


46/78

C6I /stimationC6I /stimationC6I /stimationC6I /stimation

+sin& *S *easurements+sin& *S *easurements+sin& *S *easurements+sin& *S *easurements

!"#$%#&$!'" ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

xa./ e

RxLe6 7ser6ing TC;9 < % dB.

2GRVreduction 7+L9 < "dB

RxLe6 7nV8cch9 < D dB.

Then(

CI 0 #@ + > 2#E30 ? dB

C6I / i iC6I / i iC6I / i iC6I / i i


47/78

C6I /stimationC6I /stimationC6I /stimationC6I /stimation

ProcessProcessProcessProcess

BT !

BT

Inco.ing 0L

Outgoing 0L

!? C#I esti.ated for each a6aila8le TL)+FCA MA list and MAIO co.8ination

&? Esti.ated C#I co./ared -ith defined C#Itarget 6alues 7for each connection t4/e9

1? C#I difference 78et-een target andesti.ated C#I9 is calculated for allinterferers and the .ini.u. differencerecorded 7for the strongest interferer9

"? Mini.u. C#I difference calculated for:

!"#$%#&$!'"% ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

Ne-connection

Existingconnection

Inco.ing +L

Outgoing +L

/ath J o//osite

direction

3 Inco.ing +L interference

3 Inco.ing 0L interference

3 Outgoing +L interference

3 Outgoing 0L interference

and .ost restricti6e 7lo-est9 deter.ined

'? Min C#I difference of all /ossi8le channelsare co./ared against C#I soft 8lockingthresholds

Connection type specific C6I tar&etsConnection type specific C6I tar&etsConnection type specific C6I tar&etsConnection type specific C6I tar&ets


48/78

yp p &yp p 6 &yp p 6 &yp p &

MOClass

AbbreviatedName

Range AndStep

Description Default value

BSC -

MMLName

BSCdfca144Connection

_ciTarget

0...63 dB, step

1 dB

Target C/I value for circuit switched data connections of 14.4

kbit/s.

NOTE: The parameter value must be equal to or greater thansoft blocking C/I 14.4

16 dB CIT

BSCdfcaAmrFrConnecti

on_ciTarget0...63 dB, step

1 dB

Target C/I value for AMR FR.

Note: The parameter value must be equal to or greater thansoft blocking C/I AMR FR.

12 dB CIAF


Confidential

BSCdfcaAmrHrConnect

ion_ciTarget

0...63 dB, step

1 dB

Target C/I value for AMR HR.Note: The parameter value must be equal to or greater than

soft blocking C/I AMR HR.

12 dB CIAH

BSCdfcaFrConnection_

ciTarget0...63 dB, step

1 dB

Target C/I value for FR and EFR, and for circuit switched dataconnections up to 9.6 kbit/s.

Note: The parameter value must be equal to or greater than

soft blocking C/I FR.

14 dB CIF

BSC

dfcaHrConnection_

ciTarget

0...63 dB, step

1 dB

Target C/I value for HR.

Note: The parameter value must be equal to or greater thansoft blocking C/I HR. 14 dB CIH

(ffsets to C6I Tar&ets ! to C6I Soft Blockin&(ffsets to C6I Tar&ets ! to C6I Soft Blockin&(ffsets to C6I Tar&ets ! to C6I Soft Blockin&(ffsets to C6I Tar&ets ! to C6I Soft Blockin&


49/78

& && && && &

/n,alanced /L and DL

- Co./ensates for an4 difference 8et-een 0L and +L le6el /erfor.ance

- An offset that is added to the C#I targets and soft 8locking C#I li.its of all connectiont4/es -hen u/link interference checks are /erfor.ed

- A /ositi6e 6alue .eans 0L is considered -eaker than +L

SAIC Mo,iles

!"#$%#&$!'"D ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

- requ re.en s or .o es are ess r gorous an regu ar .o es

- Offset .akes the targets less stringent for AIC .o8iles onl4

MOClass

AbbreviatedName


BSC - MMLName

BSC ciTargetUlOffset -31...31 dB, step 1 dBOffset added to the C/I targets and soft blocking C/I

limits of all connection types when uplink

interference checks are performed.

0 dB CIUL

BSC saicDlCIOffset 0...63 dB, step 1 dB

This parameter defines how much lower downlink

C/I values can be used for SAIC calls than for non-SAIC calls in DFCA TCH allocation.

2 dB SCIO

Soft Blockin& C6I )imitsSoft Blockin& C6I )imitsSoft Blockin& C6I )imitsSoft Blockin& C6I )imits


50/78

- Radio channel candidate is considered soft 8locked if the esti.ated C#I falls 8elo- theC#I soft 8locking threshold

- If no channel candidate satisfies the C#I soft 8locking li.it) the call is directed to-ardsRegular la4er 7non+FCA9

- If there are no resources on the Regular la4er) the channel allocation request isre@ected in the cell and a +irected Retr4 is atte./ted

- ;ando6ers oft 8locking li.its not used for i./erati6e 7urgent9 hando6ers

- The thresholds for soft 8locking are defined for e6er4 connection:


!"#$%#&$!''$ ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

o t oc ing C I FR

oft 8locking C#I ;R oft 8locking C#I AMR FR

oft 8locking C#I AMR ;R

oft Blocking C#I !"?"

- *alues of soft 8locking thresholds should 8e less than or equal to the corres/onding

C#I target thresholds



51/78

MOClass

Abbreviated NameRange And

StepDescription

Defaultvalue

BSC -

MMLName

BSCdfca144Connection_s

oftBlockingCi-20...43 dB,step 1 dB

Minimum acceptable C/I value for circuit switched data connections of14.4 kbit/s.

NOTE: Must be equal to or smaller than C/I target 14.4.

-20 dB SBCI

BSCdfcaAmrFrConnectio

n_softBlockingCi-20...43 dB,step 1 dB

Minimum acceptable C/I value for full rate AMR speech connections.NOTE: Must be equal to or smaller than C/I target AMR FR.

-20 dB SBAF

!"#$%#&$!''! ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

BSCdfcaAmrHrConnectio

n_softBlockingCi-20...43 dB,step 1 dB

Minimum acceptable C/I value for half rate AMR speech connections.NOTE: Must be equal to or smaller than C/I target AMR HR.

-20 dB SBAH

BSCdfcaFrConnection_so

ftBlockingCi-20...43 dB,step 1 dB

Minimum acceptable C/I value for full rate and EFR speech

connections, and for circuit switched data connections up to 9.6 kbit/s.NOTE: Must be equal to or smaller than C/I target FR.

-20 dB SBF

BSC

dfcaHrConnection_so

ftBlockingCi

-20...43 dB,

step 1 dB

Minimum acceptable C/I value for half rate speech connections.

NOTE: Must be equal to or smaller than C/I target HR. -20 dB SBH

$ote7 .alue of


52/78

C#I difference < $

Method 4) -ith this .ethod is the /ri.e target is the highest C#Idifference? Gith this .ethod e6er4 connection t4/e gets 8est /ossi8leMA)MAIO and TL co.8ination a6aila8le? This allo-s .axi.u. /o-erreduction and hence reduces the net-ork interference le6el o6erall?

The 8est is totall4idle co.8ination

C#I < 1 dBC#I undersoft 8locking li.it

8etter-orse

+FCA Algorith. has & selection .ethodsBest possi,le

DFCA Allocation *ethodDFCA Allocation *ethodDFCA Allocation *ethodDFCA Allocation *ethod

!"#$%#&$!''& ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

Method ") -ith this .ethod is the /ri.e target is the C#I difference asclose as /ossi8le to C#I target? This .ethod sa6es 8etter MA) MAIO andTL co.8inations for those connection t4/es that reall4 need it?

C#I difference < $ 8etter-orse

C#I target for connection

7C#I difference is $9

The 8est is totall4idle co.8ination

C#I < 1 dB

Closest to CItarget

DFCA Allocation *ethodDFCA Allocation *ethodDFCA Allocation *ethodDFCA Allocation *ethod


53/78

MOClass

AbbreviatedName


BSC - MMLName

BSCdfcaChannelAllocM

ethod

TCH With Highest C/ILevel (0), TCH With C/I

On Target Level (1)

Defines if DCFA assignments are made primarily tochannels with the connection specific C/I target level

or to channels with the highest positive C/Idifference from the target level.

TCH WithHighest C/I

Level (0)

DCAM

!"#$%#&$!''1 ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

DFCA Al&orithm ($er$iewDFCA Al&orithm ($er$iewDFCA Al&orithm ($er$iewDFCA Al&orithm ($er$iew


54/78

Target CI

3 FR D dB3 ;R !" dB3 AMR FR % dB3 AMR ;R !& dB3 OC ;R !1 dB3 +ATA ! dB

/sage of adioesources3 BT3 TR3 TL3 MA3 MAIO3 TC3 +L T /o-er3 0L T /o-er

CI Matri8

MA MAIOTSL

0 1 2 3 4 5 6 7

1 0 12 11 13 17 21

1 1 13 17 14 12 20

** ** ** ** ** ** **4 30 5 12 23 11 4

4 31 12 22 21 12 3

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Confidential

C anneAllocation

3 BT3 TR3 TL3 MA3 MAIO3 TC3 T 2o-er

Incoming intercellinterference matri83 Fro. neigh8or cells

Outgoing intercellinterference matri83To-ards neigh8or cells

DFCA Freuencies3 MAs


55/78

Initial Power 4eductionInitial Power 4eductionInitial Power 4eductionInitial Power 4eduction


56/78

- +FCA /ro6ides the initial /o-er reduction? 2o-er control -orks as usual afterthat

- Ai. of this /o-er reduction is to kee/ the interference le6el caused 84 theinco.ing call at the lo-est /ossi8le le6el -hile ensuring sufficient C#I le6el forthis call

- Calculated for 8oth 0L and +L

- +ifference 8et-een target and esti.ated C#I

($er$iew($er$iew($er$iew($er$iew


Confidential

- )

- A6oid excessi6e /o-er reduction 7triggering /o-er u/ soon after initial /o-erreduction9

- +FCA algorith. ensures that RxLe6 is not lo-er than /cLo-erThresholsLe60LRxLe6el and/cLo-erThresholdsLe6+LRxLe6el


57/78

7777

PSPSPSPS !!!! SDCC#SDCC#SDCC#SDCC# onononon DFCA T45DFCA T45DFCA T45DFCA T45


58/78

IntroductionIntroductionIntroductionIntroduction

CS

BCC)

egular

DFCA

CS, PS, SDCCH, DTM/p to BSS">/p to BSS">

3 +FCA la4er is dedicated for

Circuit -itched er6icesonl4

3 Regular la4er .a4 8eneeded for extra +CC;


Confidential

DFCA

BCC)CS, PS, SDCCH, DTM

32 on +FCA TR

3 +CC; on +FCA TR3 No need for regular TR

and +ata ca/acit4

3 2 cannot extend into the+FCA la4er

In BSS">In BSS">

PSPSPSPS !!!! SDCC#SDCC#SDCC#SDCC# onononon DFCA T45DFCA T45DFCA T45DFCA T45Feature detailsFeature detailsFeature detailsFeature details


59/78

Feature detailsFeature detailsFeature detailsFeature details

3 Modifications7 DMAL handling T- BFG modification

3 -S allo!ed in DFCA TH 7allo-ed in 2C0& onl49 +FCA use the sa.ealgorith. as currentl4 to assign frequenc4 for 2 territor4 ho-e6er:

Entirel4 8ased on BIM entries) i?e? +L Measure.ent Re/orts 7MR9 arenot used

All TLs 8elonging to the territor4 are assu.ed to 8e in use all the ti.e No Initial 2o-er Reductions

!"#$%#&$!''D ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

Introduces ne- /ara.eters

>R2 C#I targets 7CI>29 >2R soft8locking C#I threshold 7B>29

3 SDCC) allo!ed in DFCA TH

3 DTM allo!ed in DFCA TH

3 -reemption is allo!ed on DFCA TH? 2ree./tion is started -ith

existing rules exce/t that /ro/er candidate can 8e searched fro.regular and also +FCA TR 7no need for ranking due to C#I9?

3 T-o different ho//ing .odes are not allo-ed in one BT


60/78

PrePrePrePre""""re1uisites for DFCA Implementationre1uisites for DFCA Implementationre1uisites for DFCA Implementationre1uisites for DFCA Implementation

4e1uired #ardware ! Software4e1uired #ardware ! Software4e1uired #ardware ! Software4e1uired #ardware ! Software


61/78

BSC Type: BSC 3i or Flexi BSC BSC-BSC Interface

BTS Ultrasite, Metrosite, Flexi EDGE, Flexi Multiradio (EX 4.1),Flexi Compact (RG30EP1)

RTC combiner not supported Wideband combiner required (or no combiner)


Confidential

LMU One Location measurement unit on every BTS TCSM No requirements SGSN No requirements

B&$D1%: Flexi8le Fra.e nu.8er offsetB&!!!: +CC; and 2 +ata Channels on +FCA TR

Software 4e1uirementSoftware 4e1uirementSoftware 4e1uirementSoftware 4e1uirement


62/78

Belo- soft-are require.ents should 8e checked 8eforei./le.entation of +FCA

oft-are require.ents to 8e checked at BC) BT U LM0 le6el


Confidential

BSC L;.;L S"> ;-59" or ne!er

)*+B S3 ! *ana&er $ersions)*+B S3 ! *ana&er $ersions)*+B S3 ! *ana&er $ersions)*+B S3 ! *ana&er $ersions


63/78

LM/BJMain elease IDKJCD elease IDK49 2MFISFI3Eg? LM0! C+%?$ -ill 8e: LM0V!%$?MFI) LM0V!%$?FI

LM/B Manager JMain elease IDK9JCD elease IDK4Eg LM0! C+%?$ Manager -ill 8e: LM0B Manager !?%$

Configuring LM0B for flexi8le fra.e offset feature3 +o-nload and acti6ate LM0B G !?$ C+% /re&7LM0B!D$9?


Confidential

3 Install LM0B Manager !?$ C+% /re&?

Interworkin& with other featuresInterworkin& with other featuresInterworkin& with other featuresInterworkin& with other features


64/78

Features that are not su//orted ina +FCA BT o8@ect

3 Intelligent underla4 o6erla4 7I0O9

3 Intelligent Co6erage

Enhance.ents 7ICE93 Extended cell range

3 +4na.ic hot s/ot

Features that are not su//orted in a+FCA TR o8@ect

3 2ree./tion

3 ;igh /eed Circuit -itched +ata

7;C+93 Interference Band Reco..endation

3 BCC; u/er Reuse

3 Intelli ent +L di6ersit I++ and "


Confidential

3 Base8and ho//ing

3 Antenna ;o//ing

-a4 0L di6ersit4

3 RF ;o//ing


65/78

Process for DFCA Im lementationProcess for DFCA Im lementationProcess for DFCA Im lementationProcess for DFCA Im lementation

"""" *ethodolo&y of Implementation*ethodolo&y of Implementation*ethodolo&y of Implementation*ethodolo&y of Implementation

StepStepStepStep """"8 Initial Plannin&8 Initial Plannin&8 Initial Plannin&8 Initial Plannin&


66/78

Belo- /oints # in/uts required for /lanning of +FCA cluster: Identif4 BC U BT -here +FCA is to 8e de/lo4ed /ectru. Allocation /lan for +FCA cluster +FCA MA list frequenc4 used +FCA 0ns4nch .ode MA list frequencies used

/ecific ,2Is re/orting required for +FCA cluster Identification of +FCA KBuffer U KCore areas 7if required9


Confidential +FCA -ithout Buffer area +FCA -ith Core U Buffer area

StepStepStepStep """" ;8 Creation Check ;8 Creation Check ;8 Creation Check ;8 Creation Check


67/78

LM0s are installed at the sites 7! LM0 /er BCF9 I./ortant to check if LM0 creation is O, for /roceeding further LM0 state should not 8e in uninitiali5ed 70NINT9 state Check creation 84 KXGL co..and a./le attached 8elo-

!"#$%#&$!'% ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

ZQWL.txt

$OT O1

O1

StepStepStepStep """"< )oad DFCA< )oad DFCA< )oad DFCA< )oad DFCA )icences)icences)icences)icences


68/78

Belo- & licences are required in BC for +FCA i./le.entation: D%namic FC) Channel Allocation SDCC) -S Data on DFCA TH

StepStepStepStep """"9 Define9 Define9 Define9 Define =BA)7> =D*A)=BA)7> =D*A)=BA)7> =D*A)=BA)7> =D*A)7 ! =D+*A)7 list in BSC7 ! =D+*A)7 list in BSC7 ! =D+*A)7 list in BSC7 ! =D+*A)7 list in BSC


Confidential

+efine /lanned BAL) +MAL U +0MAL list in the 8sc Sample CF attached ,elo!

Note: Check du./ after i./le.entation to confir. changes

D:\userdata\

\Desktop\DFCA

StepStepStepStep """"? Plan ! Implement =FN(7 ! =)T(7? Plan ! Implement =FN(7 ! =)T(7? Plan ! Implement =FN(7 ! =)T(7? Plan ! Implement =FN(7 ! =)T(7


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FNO 7Fra.e Nu.8er Offset9 U LTO 7Ti.eslot Offset9 are LM0 2ara.eters To 8e /lanned U i./le.ented BCF -ise KFNO Range fro. $'! U KLTO Range fro. $! Ne- Feature KFlexi Fra.e No? Offset is a6aila8le To /re6ent cross su8channel interference restrict Fra.e nu.8er offset /lanning to

either FNOset! or FNOset& +o not use FNOs fro. 8oth set o a set of & FNOs a6aila8le for /lanning FN offsets Also set LTO


70/78

In order to ena8le B 4nch) the clock source needs to 8e changed to LM0 Ena8le KFlexi FNO Feature a./le CRF attached for i./le.enting KB 4nch in +FCA cluster

D:\userdata\

\Desktop\DFCA

SteSteSteSte """" Check =BSSCheck =BSSCheck =BSSCheck =BSS S nchroniation7S nchroniation7S nchroniation7S nchroniation7

!"#$%#&$!'%$ ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

Note: Check du./ after i./le.entation to confir. changes

0se KEFL co..and to check if all the sites are in K4nch or not? sa./le co..and out/ut attached 8elo-

d:\prasaxen\

p\dfca_pun\sampl

CheckCheckCheckCheck =Fle2i Frame No (ffset7 Implementation throu&h )*+B mana&er=Fle2i Frame No (ffset7 Implementation throu&h )*+B mana&er=Fle2i Frame No (ffset7 Implementation throu&h )*+B mana&er=Fle2i Frame No (ffset7 Implementation throu&h )*+B mana&er


71/78

Fra.e Nu.8er Offset Mode can 8echecked 84 using:

LM0B Manager!?$ C+% /re

Go to K Status K S%stem-arameters !indo!

2"frame or


72/78

Belo- .entioned .easure.ents to 8e ena8led in BC for K+FCA i./le.entation DFCA K for DFCA realated Measurements DFCAASS K for DFCA assignment related measurements MSCA- K for MS capa,ilit% related measurements DFCASAIC K for DFCASAIC measurements

a./le CRF attached for ena8ling the .easure.ents Act6ation of .easure.ents can 8e checked fro. KT2I co..and 7log attached9

!"#$%#&$!'%& ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

d:\prasaxen\p\dfca_pun\DFCA B

Note: Check du./ after i./le.entation to confir. changesCheck ite 4nc regularl4 -ith KEFL co..and

D:\userdata\

\Desktop\DFCA V

StepStepStepStep """" /na'le =DFCA /na'le =DFCA /na'le =DFCA /na'le =DFCA ,,,, Stand'y *ode7Stand'y *ode7Stand'y *ode7Stand'y *ode7


73/78

Belo- .entioned ste/s to 8e incor/orated for i./le.enting +FCA in Ktand84 Mode Step " Attach DMAL D/MAL IDs to all the cells in DFCA cluster Step < Activate DFCA in Stand,%N mode ,% changing DMODN parameter for cells

in DFCA cluster a./le CRF attached for ena8ling +FCA in Ktand84 Mode

D:\userdata\

\Desktop\DFCA

!"#$%#&$!'%1 ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential

StepStepStepStep """"8E8E8E8E Check BI* Ta'le +pdateCheck BI* Ta'le +pdateCheck BI* Ta'le +pdateCheck BI* Ta'le +pdateBackground Interferece Matrix 7BIM9 ta8le u/date can 8e checked 84 KEXI Co..and a./le Log attached 8elo-

d:\prasaxen\p\dfca_pun\sampl


StepStepStepStep """"88 /na'le =DFCA88 /na'le =DFCA88 /na'le =DFCA88 /na'le =DFCA ,,,, Acti$e *ode7Acti$e *ode7Acti$e *ode7Acti$e *ode7


74/78

Belo- .entioned ste/s to 8e incor/orated for i./le.enting +FCA in KActi6e Mode Step " Disa,le Antenna )opping 2A)O-3N for DFCA cells Step < Change TC) TH State to DFCA THN Step = Change DFCA Mode parameter DMODN from Stand,%N to ActiveN modeemove F )opping in TH !hich are defined DFCA THN !hich contain SD -SNTimeslots2defined as GTH3

a./le CRF attached 8elo-

D:\userdata\

!"#$%#&$!'%" ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential


es op

StepStepStepStep """"8 (ther8 (ther8 (ther8 (ther Chan&esChan&esChan&esChan&es

Other /ara.eters like 0T2FIL 2ara.eters) TR2) BLT) etc can 8e changed 8ased onrequire.ent 2ost +FCA I./le.entation?

sa./le CRF attached 8elo-

D:\userdata\

\Desktop\DFCA

Performance *onitorin&Performance *onitorin&Performance *onitorin&Performance *onitorin&


75/78

Once a8o6e ste/s are co./leted) the +FCA is acti6e in the desired cluster 2erfor.ance .onitoring U /ara.eter tuning is an integral /art for further i./ro6ing the

/erfor.ance of +FCA cells? Exa./le of fe- /ara.eters need to 8e checked /ost i./le.entation are as 8elo- :

RLT should 8e set to & ARLT U A;RLT should 8e set to 1?

Acti6ate AMR un/acking feature 7Licence Based9 ;OC#2OC /ara.eters to 8e changed onl4 if required other-ise to 8e ke/t as /er

current settings

!"#$%#&$!'%' ( Nokia &$!') *F +FCA ,no-ledge haring

Confidential



76/78

PIs for *onitorinPIs for *onitorinPIs for *onitorinPIs for *onitorin

PI *onitorin&PI *onitorin&PI *onitorin&PI *onitorin&


77/78

Belo- is the list of ,2Is that can 8e .onitored for 2RE#2OT +FCA Bench.arking

SDCC) Bloc*ing J0 4956

SDCC) Drop J0"6 TC) Bloc*ing J0


78/78

Thank G(+HHThank G(+HHThank G(+HHThank G(+HH

Documents

DFCA Knowledge Sharing Session.pdf