atoll 2.7.1 umts hspa basic

AT271_SL3G_E0AT271_SL3G_E0

Atoll 2.Atoll 2.7.17.1

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THE UMTS HSPA MODULETHE UMTS HSPA MODULE



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1. UMTS, HSDPA and HSUPA Concepts1. UMTS, HSDPA and HSUPA Concepts

2. 3G Workflow in Atoll2. 3G Workflow in Atoll

3. Modelling a UMTS HSPA Network3. Modelling a UMTS HSPA Network

4. UMTS, HSDPA and HSUPA Predictions4. UMTS, HSDPA and HSUPA Predictions

5. Monte-Carlo Based Simulation5. Monte-Carlo Based Simulation

6. Neighbour Allocation6. Neighbour Allocation

7. Scrambling Codes Planning7. Scrambling Codes Planning

8. GSM/TDMA – UMTS Co-planning8. GSM/TDMA – UMTS Co-planning

9. Using Drive Tests9. Using Drive Tests

1.1. UMTS, HSDPA and HSUPA Concepts UMTS, HSDPA and HSUPA Concepts









TRAINING PROGRAMTRAINING PROGRAM



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1. UMTS, HSDPA AND HSUPA CONCEPTS1. UMTS, HSDPA AND HSUPA CONCEPTS

UMTS CONCEPTSUMTS CONCEPTS

HSDPA CONCEPTSHSDPA CONCEPTS

HSUPA CONCEPTSHSUPA CONCEPTS

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UMTS CONCEPTS (1)UMTS CONCEPTS (1)

THE UMTS PLANNING CHALLENGETHE UMTS PLANNING CHALLENGE

Multiservice + multi-rate + high-rateMultiservice + multi-rate + high-rate

WidebandWideband

Code division multiple access techniqueCode division multiple access technique

– All terminals share the same frequencyAll terminals share the same frequency

Mutual degradation of radio links defeated by sophisticated power Mutual degradation of radio links defeated by sophisticated power controlcontrol

Coverage linked to traffic & servicesCoverage linked to traffic & services

– Cell breathingCell breathing

REALISTIC UMTS PLANNING REALISTIC UMTS PLANNING REQUIRES SIMULATION OF TRAFFIC AND POWER CONTROL!REQUIRES SIMULATION OF TRAFFIC AND POWER CONTROL!

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CPICH - COMMON PILOT CHANNELCPICH - COMMON PILOT CHANNEL

CPICH power equivalent to BCCH carrier power in gsmCPICH power equivalent to BCCH carrier power in gsm

Always on airAlways on air

Approx. 5%..20% of the total carrier power Approx. 5%..20% of the total carrier power

– 1..4 watts of 20W (30..36dBm of 43dBm)1..4 watts of 20W (30..36dBm of 43dBm)

Pilot qualityPilot quality

– Ec/Io parameterEc/Io parameter

Ec: Energy per chip (pilot signal)Ec: Energy per chip (pilot signal)

Io: Downlink total noise spectral densityIo: Downlink total noise spectral density

– Measured by mobile to find its best server and active setMeasured by mobile to find its best server and active set

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SOFT HANDOFFSOFT HANDOFF

UMTS handoff strategy different from GSM hard handoffUMTS handoff strategy different from GSM hard handoff

– Mobile in communication with several base stations (macro-Mobile in communication with several base stations (macro-diversity)diversity)

Mobile Active SetMobile Active Set

– Different types of soft handoffDifferent types of soft handoff Soft, softer, Soft, softer, Soft-soft, softer-soft, soft-softerSoft-soft, softer-soft, soft-softer

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ACTIVE SETACTIVE SET

Set of transmitters connected to mobileSet of transmitters connected to mobile

Active set determinationActive set determination

– Best pilot (server)Best pilot (server) Minimum Ec/Io : Pilot quality thresholdMinimum Ec/Io : Pilot quality threshold Highest Ec/IoHighest Ec/Io

– Admission of other transmitters in Active SetAdmission of other transmitters in Active Set Handover margin : Active Set thresholdHandover margin : Active Set threshold Ec/Io within a margin of best serverEc/Io within a margin of best server

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WCDMA RECEPTION PARAMETERWCDMA RECEPTION PARAMETER

"Energy per bit" is the generic radio reception requirement "Energy per bit" is the generic radio reception requirement

Eb / Nt = ( C / R ) / (Eb / Nt = ( C / R ) / ( I / W ) I / W )

Eb :Eb :Energy of one bit ( Ws/ kb that is to say J / kb)Energy of one bit ( Ws/ kb that is to say J / kb)

Nt : Total noise density ( W / MHz )Nt : Total noise density ( W / MHz )

R : Nominal rate of the service (kbps)R : Nominal rate of the service (kbps)

W : W : spreading width (MHz)spreading width (MHz)

C : Carrier power (W)C : Carrier power (W)

I : Power of interfering carriers + thermal noise (W)I : Power of interfering carriers + thermal noise (W)

Eb / Nt = ( C / I ) . ( W / R )Eb / Nt = ( C / I ) . ( W / R )

C / I : Interference ratio used in GSM/TDMA planning (W / W)C / I : Interference ratio used in GSM/TDMA planning (W / W)

W / R : Processing gainW / R : Processing gain

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POWER CONTROLPOWER CONTROL

Power control on traffic channelPower control on traffic channel

ObjectivesObjectives

– Solve near-far-problem of CDMA in the uplink Solve near-far-problem of CDMA in the uplink

– Limit overall interference to maximize capacityLimit overall interference to maximize capacity

– Ensure good reception for a maximum number of mobiles Ensure good reception for a maximum number of mobiles

– Power control yields a network-wide compromise!Power control yields a network-wide compromise!

MeansMeans

– Mobile power adjustment for uplinkMobile power adjustment for uplink

– Base station power adjustment for downlinkBase station power adjustment for downlink

– UMTS power control is fast!UMTS power control is fast!

Main resultsMain results

– Transmitter load conditionsTransmitter load conditions DL Power usedDL Power used UL Load factor = Interference / Total noiseUL Load factor = Interference / Total noise

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HSDPA CONCEPTS (1)HSDPA CONCEPTS (1)

HSDPA (High Speed Downlink Packet Access) IS A 3GPP RELEASE 5 FEATURE HSDPA (High Speed Downlink Packet Access) IS A 3GPP RELEASE 5 FEATURE FOR UMTSFOR UMTS

Designed for data service applicationsDesigned for data service applications Aimed to provide, for the downlink, significant reduced delays and peak Aimed to provide, for the downlink, significant reduced delays and peak

rates up to 8-10 Mbpsrates up to 8-10 Mbps Fully Release 99 backward compatibleFully Release 99 backward compatible Can co-exist on the same RF carrier with R99 UMTS trafficCan co-exist on the same RF carrier with R99 UMTS traffic

TECHNICAL ASPECTSTECHNICAL ASPECTS

New physical channels (modelled in Atoll)New physical channels (modelled in Atoll) Fast link adaptation Fast link adaptation (modelled in Atoll)(modelled in Atoll) Fast retransmission mechanismFast retransmission mechanism Fast scheduling at Node B Fast scheduling at Node B (modelled in Atoll)(modelled in Atoll)1.

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NEW TRANSPORT AND PHYSICAL CHANNELS ON THE DOWNLINKNEW TRANSPORT AND PHYSICAL CHANNELS ON THE DOWNLINK

HS-DSCH (High Speed Downlink Shared Channel): Transport channelHS-DSCH (High Speed Downlink Shared Channel): Transport channel

– HS-PDSCH (High Speed Physical Downlink Shared Channel): HS-PDSCH (High Speed Physical Downlink Shared Channel): Associated physical channelAssociated physical channel

– Carries user dataCarries user data

– Both time and codes shared between usersBoth time and codes shared between users

– Within each 2 ms transmission time interval (TTI), a constant Within each 2 ms transmission time interval (TTI), a constant spreading factor of 16 is used with a maximum of 15 parallel codesspreading factor of 16 is used with a maximum of 15 parallel codes

2 to 4 users can share the code resources with the same TTI2 to 4 users can share the code resources with the same TTI

– Always associated to a R99 DCH (Dedicated Channel)Always associated to a R99 DCH (Dedicated Channel)

HS-SCCH (High Speed Shared Control Channel)HS-SCCH (High Speed Shared Control Channel)

– Carries information to decode HS-DSCH (Modulation, Transport block Carries information to decode HS-DSCH (Modulation, Transport block size,…)size,…)

– Spreading factor = 128Spreading factor = 1281.

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NEW PHYSICAL CHANNEL ON THE UPLINKNEW PHYSICAL CHANNEL ON THE UPLINK

HS-DPCCH (High Speed Dedicated Physical Control Channel)HS-DPCCH (High Speed Dedicated Physical Control Channel)

– Indicates the Channel Quality Indicator (CQI) used for fast link Indicates the Channel Quality Indicator (CQI) used for fast link adaptationadaptation

– Carries the acknowledgement signal for retransmission processCarries the acknowledgement signal for retransmission process

– Spreading factor = 256Spreading factor = 256

FAST LINK ADAPTATION INSTEAD OF POWER CONTROLFAST LINK ADAPTATION INSTEAD OF POWER CONTROL

The HS-DSCH is transmitted at constant power over a TTIThe HS-DSCH is transmitted at constant power over a TTI Adaptive DL data rate by changing:Adaptive DL data rate by changing:

– The modulation schemeThe modulation scheme

– The codingThe coding

– The number of codesThe number of codes Based on:Based on:

– The reported CQIThe reported CQI

– UE (User Equipment) categoryUE (User Equipment) category

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FAST SCHEDULING AT NODE BFAST SCHEDULING AT NODE B

The scheduler chooses the data that will be transmitted in the next TTIThe scheduler chooses the data that will be transmitted in the next TTI

– It sorts the users to be servedIt sorts the users to be served

Different scheduling techniquesDifferent scheduling techniques

– Max CQI: resource is allocated to the UE with the best radio Max CQI: resource is allocated to the UE with the best radio propagation conditionspropagation conditions

– Round Robin: every user is served in a sequential wayRound Robin: every user is served in a sequential way

– Proportional fair: Proportional fair: resource is allocated to the UE with the highest resource is allocated to the UE with the highest instantaneous relative channel qualityinstantaneous relative channel quality

NO SOFT HANDOVER ON DLNO SOFT HANDOVER ON DL

The mobile has only one link from its best-serverThe mobile has only one link from its best-server1.

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CELL POWERCELL POWER

The cell power is shared between R99 and HSDPA usersThe cell power is shared between R99 and HSDPA users

Two strategies possible for the HSDPA power allocation:Two strategies possible for the HSDPA power allocation:– Static allocation Static allocation the HSDPA power is a fixed part of the cell the HSDPA power is a fixed part of the cell

powerpower– Dynamic allocation Dynamic allocation the HSDPA power is the remaining cell the HSDPA power is the remaining cell

power after serving R99 userspower after serving R99 users

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HSUPA CONCEPTS (1)HSUPA CONCEPTS (1)

HSUPA (High Speed Uplink Packet Access) IS A 3GPP RELEASE 6 FEATURE HSUPA (High Speed Uplink Packet Access) IS A 3GPP RELEASE 6 FEATURE FOR UMTSFOR UMTS

Designed for data service applicationsDesigned for data service applications Aimed to provide, for the uplink, peak rates up to 3- 4 MbpsAimed to provide, for the uplink, peak rates up to 3- 4 Mbps Fully Release 99 backward compatibleFully Release 99 backward compatible Can co-exist on the same RF carrier with R99 UMTS trafficCan co-exist on the same RF carrier with R99 UMTS traffic

TECHNICAL ASPECTSTECHNICAL ASPECTS

New transport and physical channels (modelled in Atoll)New transport and physical channels (modelled in Atoll) Fast retransmission mechanism (modelled in Atoll)Fast retransmission mechanism (modelled in Atoll) Fast scheduling at Node B Fast scheduling at Node B (modelled in Atoll)(modelled in Atoll)

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NEW TRANSPORT AND PHYSICAL CHANNELS ON THE UPLINKNEW TRANSPORT AND PHYSICAL CHANNELS ON THE UPLINK

E-DCH (Enhanced Dedicated Channel): Transport channelE-DCH (Enhanced Dedicated Channel): Transport channel

– E-DPDCH (Enhanced Dedicated Physical Data Channel): Associated E-DPDCH (Enhanced Dedicated Physical Data Channel): Associated physical channelphysical channel

– Carries user dataCarries user data

– Dedicated channel: each UE has its own dedicated E-DCHDedicated channel: each UE has its own dedicated E-DCH

– Always associated to a R99 DCH (Dedicated Channel)Always associated to a R99 DCH (Dedicated Channel)

– Supports OVSF: SF2 - SF256Supports OVSF: SF2 - SF256

E-DPCCH (Enhanced Dedicated Physical Control Channel)E-DPCCH (Enhanced Dedicated Physical Control Channel)

– Transmits all the necessary information about the E-DPDCH in order to Transmits all the necessary information about the E-DPDCH in order to decode the data channel transmissiondecode the data channel transmission

– Also carries “Happy bit” information to indicate if the user is content Also carries “Happy bit” information to indicate if the user is content with the current data ratewith the current data rate


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NEW PHYSICAL CHANNELS ON THE DOWNLINKNEW PHYSICAL CHANNELS ON THE DOWNLINK

E-AGCH (Absolute Grant Channel)E-AGCH (Absolute Grant Channel)

– Transmits an absolute value of the Node B scheduler decision that lets Transmits an absolute value of the Node B scheduler decision that lets the UE know the relative transmission power it is allowed to use for the UE know the relative transmission power it is allowed to use for data channel transmissiondata channel transmission


E-RGCH (Relative Grant Channel)E-RGCH (Relative Grant Channel)

– Transmits single set-up / set-down scheduling commands that affect Transmits single set-up / set-down scheduling commands that affect the relative transmission power the UE is allowed to use for data the relative transmission power the UE is allowed to use for data channel transmissionchannel transmission

E-HICH (H-ARQ Indicator Channel)E-HICH (H-ARQ Indicator Channel)

– Carries positive and negative acknowledgements for retransmission Carries positive and negative acknowledgements for retransmission processprocess

– Multiplexed with E-RGCH to a single downlink code channel of Multiplexed with E-RGCH to a single downlink code channel of spreading factor 128spreading factor 128

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HSUPA DOES NOT SUPPORT FAST LINK ADAPTATIONHSUPA DOES NOT SUPPORT FAST LINK ADAPTATION

Higher modulation order schemes are not supportedHigher modulation order schemes are not supported

FAST SCHEDULING AT NODE BFAST SCHEDULING AT NODE B

The shared resource on UL is the UL noise rise i.e, the total power received The shared resource on UL is the UL noise rise i.e, the total power received by the Node B receiverby the Node B receiver

The scheduler tasks are:The scheduler tasks are:

– To equally share this resource between users and to maintain the To equally share this resource between users and to maintain the interference level experienced close to the maximuminterference level experienced close to the maximum

– To select the transport format (nb of bits to be transmitted in a TTI) for To select the transport format (nb of bits to be transmitted in a TTI) for the E-DCH transport channel with respect to:the E-DCH transport channel with respect to:

The maximum terminal power allowedThe maximum terminal power allowed The UE (User Equipment) categoryThe UE (User Equipment) category

SOFT HANDOVER IS SUPPORTEDSOFT HANDOVER IS SUPPORTED

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DCH, HS-DSCH AND E-DCH COMPARISONDCH, HS-DSCH AND E-DCH COMPARISON

COMPARISON TABLECOMPARISON TABLE

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FeatureFeature DCHDCH HSDPA (HS-DSCH)HSDPA (HS-DSCH) HSUPA (E-DCH)HSUPA (E-DCH)

Variable Spreading FactorVariable Spreading Factor Yes, SF4 - SF256Yes, SF4 - SF256 No, SF16No, SF16 Yes, SF2 - SF256Yes, SF2 - SF256

Fast Power ControlFast Power Control YesYes NoNo YesYes

Adaptive ModulationAdaptive Modulation NoNo YesYes NoNo

BTS Based SchedulingBTS Based Scheduling NoNo YesYes YesYes

Fast L1 HARQFast L1 HARQ NoNo YesYes YesYes

Soft HandoverSoft Handover YesYes NoNo YesYes

TTI Length (ms)TTI Length (ms) 80, 40, 20, 1080, 40, 20, 10 22 10, 210, 2



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1.1. UMTS, HSDPA and HSUPA ConceptsUMTS, HSDPA and HSUPA Concepts












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2. 3G WORKFLOW IN ATOLL2. 3G WORKFLOW IN ATOLL2.

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Traffic MapsTraffic Maps

Open an Existing Project Open an Existing Project or Create a New Oneor Create a New One

Network ConfigurationNetwork Configuration- Add Network ElementsAdd Network Elements- Change ParametersChange Parameters

User-defined valuesUser-defined values

Scrambling Code PlanScrambling Code Plan

Prediction Study ReportsPrediction Study Reports

Basic PredictionsBasic Predictions(Best Server, Signal Level)(Best Server, Signal Level)

Monte-Carlo Monte-Carlo SimulationsSimulations

UMTS/HSPA PredictionsUMTS/HSPA Predictions

Cell Load Cell Load ConditionsConditions

Neighbour AllocationNeighbour Allocation



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3. 3. Modelling a UMTS HSPA NetworkModelling a UMTS HSPA Network










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3. MODELLING A UMTS HSPA NETWORK3. MODELLING A UMTS HSPA NETWORK

SITE PARAMETERSSITE PARAMETERS

TRANSMITTER PARAMETERSTRANSMITTER PARAMETERS

CELL PARAMETERSCELL PARAMETERS

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SITE PARAMETERSSITE PARAMETERS

X, Y, altitudeX, Y, altitude

Number of channel Number of channel elements UL/DL available elements UL/DL available

on the siteon the site

Equipment installed on Equipment installed on the sitethe site

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TRANSMITTER PARAMETERSTRANSMITTER PARAMETERS

Equipment Equipment specificationsspecifications

DL and UL total losses, DL and UL total losses, Noise figureNoise figure

Transmit and Transmit and Receive diversitiesReceive diversities

Cells: (Tx-carrier) pairsCells: (Tx-carrier) pairs- Specifications of carriers in a - Specifications of carriers in a

transmittertransmitter

Selection of the Selection of the Frequency BandFrequency Band

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Inputs of the scrambling Inputs of the scrambling code allocation algorithmcode allocation algorithm

Maximum cell load on Maximum cell load on UL and DL: simulation UL and DL: simulation

constraintsconstraints

AS management parameter:AS management parameter: max quality margin admitted max quality margin admitted

between best-server and between best-server and other transmitter pilots to be in other transmitter pilots to be in

active-setactive-set

Cell primary Cell primary scrambling code scrambling code

UL and DL cell loads: user-UL and DL cell loads: user-defined or simulation outputdefined or simulation output

HSDPA parametersHSDPA parameters

CarrierCarrier

Transmitted powersTransmitted powers

Inputs of the neighbour Inputs of the neighbour allocation algorithmallocation algorithm

Neighbour listNeighbour list

Maximum UL and DL Maximum UL and DL connection rate: simulation connection rate: simulation

constraintsconstraints

HSUPA parametersHSUPA parameters

Inter-carrier power sharingInter-carrier power sharingAvailable only if there is at Available only if there is at

least one HSDPA carrier with least one HSDPA carrier with dynamic power allocationdynamic power allocation

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CELL HSDPA PARAMETERSCELL HSDPA PARAMETERS


Minimum and maximum numbers of 16 bits-Minimum and maximum numbers of 16 bits-length OVSF codes available for HS-PDSCH length OVSF codes available for HS-PDSCH

channelschannels

HS-SCCH power per HS-SCCH channelHS-SCCH power per HS-SCCH channel• Static allocation: the HS-SCCH power Static allocation: the HS-SCCH power is fixedis fixed

• Dynamic allocation: the Dynamic allocation: the HS-SCCH power is HS-SCCH power is controlled in order to obtain a minimum quality controlled in order to obtain a minimum quality

threshold threshold

Scheduling related parametersScheduling related parameters• Maximum number of HSDPA users that the cell can supportMaximum number of HSDPA users that the cell can support

• Scheduling technique: Max CQI, Round Robin, Proportional FairScheduling technique: Max CQI, Round Robin, Proportional Fair

Maximum numbers of HS-SCCH channels Maximum numbers of HS-SCCH channels that the cell can managethat the cell can manage

Power available for HSDPA (i.e for HS-PDSCH Power available for HSDPA (i.e for HS-PDSCH and HS-SCCH)and HS-SCCH)

• Static allocation: the HSDPA power Static allocation: the HSDPA power is a fixed is a fixed part of the cell total power usedpart of the cell total power used

• Dynamic allocation: the HSDPA power is the Dynamic allocation: the HSDPA power is the cell remaining power after serving R99 userscell remaining power after serving R99 users

Reserve of power for R99 DCHReserve of power for R99 DCH

Number of HSDPA users in the cell: user-Number of HSDPA users in the cell: user-defined or simulation outputdefined or simulation output

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CELL HSUPA PARAMETERSCELL HSUPA PARAMETERS

Number of HSUPA Number of HSUPA users in the cell: user-users in the cell: user-defined or simulation defined or simulation

outputoutput

Maximum number of Maximum number of HSDPA users that the HSDPA users that the

cell can supportcell can support

Power allocated to Power allocated to HSUPA DL channels (E-HSUPA DL channels (E-AGCH, E-RGCH, and E-AGCH, E-RGCH, and E-

HICH)HICH)

Load factor due to Load factor due to HSUPA traffic: user-HSUPA traffic: user-defined or simulation defined or simulation

outputoutput

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4. 4. UMTS, HSDPA and HSUPA PredictionsUMTS, HSDPA and HSUPA Predictions









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4. UMTS, HSDPA AND HSUPA PREDICTIONS4. UMTS, HSDPA AND HSUPA PREDICTIONS

AVAILABLE PREDICTIONSAVAILABLE PREDICTIONS

UMTS PREDICTIONSUMTS PREDICTIONS

HSDPA PREDICTIONHSDPA PREDICTION

HSUPA PREDICTIONHSUPA PREDICTION

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AVAILABLE PREDICTIONSAVAILABLE PREDICTIONS

COVERAGE PREDICTIONSCOVERAGE PREDICTIONS

UMTS Dedicated Coverage PredictionsUMTS Dedicated Coverage Predictions

– Quality StudiesQuality Studies Ec/Io, Eb/Nt, Service AreasEc/Io, Eb/Nt, Service Areas

– Handover StudyHandover Study

– Noise StudiesNoise Studies Nt, Pilot pollutionNt, Pilot pollution

HSDPA Dedicated Coverage StudyHSDPA Dedicated Coverage Study

– Quality StudiesQuality Studies

– Rate/Throughput StudiesRate/Throughput Studies

HSUPA Dedicated Coverage StudyHSUPA Dedicated Coverage Study

– Quality StudyQuality Study

– Rate/Throughput StudiesRate/Throughput Studies

POINT PREDICTIONPOINT PREDICTION

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PRINCIPLES OF UMTS PREDICTIONSPRINCIPLES OF UMTS PREDICTIONS

UMTS PREDICTIONS ARE CALCULATED FORUMTS PREDICTIONS ARE CALCULATED FOR

Given load conditionsGiven load conditions

– UL Load FactorUL Load Factor

– DL Power UsedDL Power Used

A non-interfering user withA non-interfering user with

– A serviceA service

– A mobilityA mobility

– A terminal typeA terminal type

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LOAD CONDITIONSLOAD CONDITIONS

LOAD CONDITONS ARE DEFINED IN THE CELLS TABLELOAD CONDITONS ARE DEFINED IN THE CELLS TABLE

Values taken into consideration in Values taken into consideration in predictions for each cellpredictions for each cell

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS R99 Bearer ParametersR99 Bearer Parameters Rate DowngradingRate Downgrading Handover CapabilitiesHandover Capabilities Body LossBody Loss

SERVICE PROPERTIESSERVICE PROPERTIES4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS Type: Traffic ClassType: Traffic Class Max Downlink Traffic Power per ChannelMax Downlink Traffic Power per Channel UL and DL Eb/Nt Admission Thresholds UL and DL Eb/Nt Admission Thresholds

(per mobility)(per mobility)

R99 BEARER PROPERTIESR99 BEARER PROPERTIES4.

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Double-click the Double-click the record in the tablerecord in the table



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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS

Ec/Io threshold (AS): this value is verified for the best serverEc/Io threshold (AS): this value is verified for the best server

MOBILITY TYPE PROPERTIESMOBILITY TYPE PROPERTIES4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS Receiver equipmentReceiver equipment Compressed mode capabilityCompressed mode capability Frequency bands and related noise figuresFrequency bands and related noise figures Maximum terminal powerMaximum terminal power Gain and lossesGain and losses Active Set sizeActive Set size DL rake factorDL rake factor Rho factorRho factor

TERMINAL PROPERTIESTERMINAL PROPERTIES4.

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COVERAGE PREDICTION SETTINGSCOVERAGE PREDICTION SETTINGS

User and carrier specificationUser and carrier specification

If no simulation is selectedIf no simulation is selected Prediction based on DL power and Prediction based on DL power and UL load from Cells tableUL load from Cells table

Display type templateDisplay type template

Tip text content and legendTip text content and legend

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DISPLAY OPTIONS FOR UMTS COVERAGE DISPLAY OPTIONS FOR UMTS COVERAGE PREDICTIONSPREDICTIONS

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Prediction Study TypePrediction Study Type Display ParameterDisplay Parameter

Pilot Reception Analysis (Ec/Io)Pilot Reception Analysis (Ec/Io)

Ec/I0Ec/I0

Ec/I0 MarginEc/I0 Margin

Transmitter, etcTransmitter, etc

Service Area (Eb/Nt) DownlinkService Area (Eb/Nt) Downlink

Maximum Eb/NtMaximum Eb/Nt

Effective Eb/NtEffective Eb/Nt

Eb/Nt MarginEb/Nt Margin

Required Power, etcRequired Power, etc

Service Area (Eb/Nt) UplinkService Area (Eb/Nt) Uplink

Maximum Eb/NtMaximum Eb/Nt

Effective Eb/NtEffective Eb/Nt

Eb/Nt MarginEb/Nt Margin

Required PowerRequired Power

Soft Handover Gain, etcSoft Handover Gain, etc

Effective Service AreaEffective Service Area Unique,etcUnique,etc

Handover StatusHandover StatusHanfoff StatusHanfoff Status

Number of Potential ServersNumber of Potential Servers

Pilot PollutionPilot Pollution Number of PollutersNumber of Polluters

Downlink Total NoiseDownlink Total NoiseMinimum, Maximum or Average Noise LevelMinimum, Maximum or Average Noise Level

Minimum, Maximum or Average Noise RiseMinimum, Maximum or Average Noise Rise



40

UMTS PREDICTION EXAMPLES (1)UMTS PREDICTION EXAMPLES (1)

Pilot Reception Analysis StudyPilot Reception Analysis Study

Pilot Pollution StudyPilot Pollution Study

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Effective Service Area StudyEffective Service Area Study

Service Area (Eb/Nt) Uplink StudyService Area (Eb/Nt) Uplink Study

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Handover Status Prediction StudyHandover Status Prediction Study

Downlink Total Noise StudyDownlink Total Noise Study

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POINT ANALYSIS TOOL (1)POINT ANALYSIS TOOL (1)

RADIO RECEPTION DIAGNOSIS AT A GIVEN POINTRADIO RECEPTION DIAGNOSIS AT A GIVEN POINT

In the Tool bar, clickIn the Tool bar, click

Select the AS Analysis tab in the Point Analysis windowSelect the AS Analysis tab in the Point Analysis window

Define AS analysis settings Define AS analysis settings

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POINT ANALYSIS TOOL (2)POINT ANALYSIS TOOL (2)

Active Set / Active Set / Handover Status Handover Status also shown in the also shown in the Map-WindowMap-Window

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Choice of UL&DL load conditions : If (Cells Table) Choice of UL&DL load conditions : If (Cells Table) is selectedis selected

Analysis based on DL power and UL load from Analysis based on DL power and UL load from Cells tableCells table

Definition of a user-Definition of a user-definable “probe" definable “probe"

receiver, Indoor or notreceiver, Indoor or not

Analysis on a Analysis on a specific carrier or specific carrier or

all (carrier selection all (carrier selection as set in site as set in site equipment)equipment)

Service Service availability in availability in

UL and DLUL and DL

Cells of the mobile Cells of the mobile active set (greyed active set (greyed

zone)zone)

Prediction with Prediction with downgrading or notdowngrading or not

Best server threshold to be part of Best server threshold to be part of the active set (depending on the the active set (depending on the

mobility type)mobility type)

Lower limit of the active Lower limit of the active set (best pilot quality - set (best pilot quality - Active set threshold)Active set threshold)

Pilot Pilot availabilityavailability



45

PRINCIPLES OF HSDPA PREDICTIONSPRINCIPLES OF HSDPA PREDICTIONS

HSDPA PREDICTION CAN BE CALCULATEDHSDPA PREDICTION CAN BE CALCULATED

To analyse the UL and DL A-DPCH qualitiesTo analyse the UL and DL A-DPCH qualities To analyse the HS-SCCH quality/powerTo analyse the HS-SCCH quality/power To model fast link adaptation for a single user within the cellTo model fast link adaptation for a single user within the cell To model fast link adaptation for many users within the cellTo model fast link adaptation for many users within the cell To analyse the probability of having a certain HSDPA Radio BearerTo analyse the probability of having a certain HSDPA Radio Bearer

HSDPA PREDICTION INPUTSHSDPA PREDICTION INPUTS

The cell total powerThe cell total power The cell HSDPA powerThe cell HSDPA power The number of HSDPA users within the cell if the study is calculated The number of HSDPA users within the cell if the study is calculated

for several usersfor several users HSDPA user description: Terminal, service and mobility typeHSDPA user description: Terminal, service and mobility type4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS R99 Bearer ParametersR99 Bearer Parameters Rate DowngradingRate Downgrading Body LossBody Loss HSDPA Capability and Application Throughput ParametersHSDPA Capability and Application Throughput Parameters

HSDPA SERVICE PROPERTIESHSDPA SERVICE PROPERTIES4.

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TRANSPORT FORMAT RESOURCE COMBINATION (TFRC) SELECTED BY TRANSPORT FORMAT RESOURCE COMBINATION (TFRC) SELECTED BY THE SCHEDULER DURING FAST LINK ADAPTATIONTHE SCHEDULER DURING FAST LINK ADAPTATION

Defined in 3GPP SpecificationsDefined in 3GPP Specifications

HSDPA BEARER PROPERTIESHSDPA BEARER PROPERTIES4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS Ec/Io threshold (AS): this value is verified for the best serverEc/Io threshold (AS): this value is verified for the best server HS-SCCH Ec/Nt threshold (dB): minimum quality required for HSDPA linkHS-SCCH Ec/Nt threshold (dB): minimum quality required for HSDPA link

MOBILITY TYPE PROPERTIESMOBILITY TYPE PROPERTIES4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS Receiver equipmentReceiver equipment Frequency bandsFrequency bands Noise figuresNoise figures Maximum terminal powerMaximum terminal power Gain and lossesGain and losses DL rake factorDL rake factor Rho factorRho factor Compressed mode capabilityCompressed mode capability HSDPA capability and HSDPA HSDPA capability and HSDPA

specific parametersspecific parameters

– UE categoryUE category

– MUD factorMUD factor

HSDPA CAPABLE TERMINAL PROPERTIESHSDPA CAPABLE TERMINAL PROPERTIES4.

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HSDPA UE CATEGORY PROPERTIESHSDPA UE CATEGORY PROPERTIES

USER EQUIPMENT (UE) CAPABILITIES DEFINED IN 3GPP SPECIFICATIONSUSER EQUIPMENT (UE) CAPABILITIES DEFINED IN 3GPP SPECIFICATIONS

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DISPLAY OPTIONS FOR HSDPA PREDICTIONSDISPLAY OPTIONS FOR HSDPA PREDICTIONS4.

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Study ObjectiveStudy Objective ConditionsConditions Display ParameterDisplay Parameter

A-DPCH Quality AnalysisA-DPCH Quality AnalysisAll HSDPA Radio All HSDPA Radio

Bearers ConsideredBearers ConsideredMax DL A-DPCH Eb/NtMax DL A-DPCH Eb/Nt

Max UL A-DPCH Eb/NtMax UL A-DPCH Eb/Nt

HS-SCCH Quality and Power StudyHS-SCCH Quality and Power StudyAll HSDPA Radio All HSDPA Radio

Bearers ConsideredBearers ConsideredHS-SCCH Ec/NtHS-SCCH Ec/Nt

HS-SCCH PowerHS-SCCH Power

Fast Link Adaptation Modelling for a Fast Link Adaptation Modelling for a Single UserSingle User

All HSDPA Radio All HSDPA Radio Bearers ConsideredBearers Considered

HS-PDSCH Ec/NtHS-PDSCH Ec/Nt

CPICH/HS-PDSCH CQICPICH/HS-PDSCH CQI

MAC RateMAC Rate

RLC Peak RateRLC Peak Rate

Application ThroughputApplication Throughput

etcetc

Fast Link Adaptation Modelling for a Fast Link Adaptation Modelling for a Several UsersSeveral Users

All HSDPA Radio All HSDPA Radio Bearers ConsideredBearers Considered

MAC Throughput per MobileMAC Throughput per Mobile

RLC Throughput per MobileRLC Throughput per Mobile

Application Throughput per MobileApplication Throughput per Mobile

Probability of Having a Certain RLC Probability of Having a Certain RLC Peak RatePeak Rate

One HSDPA Radio One HSDPA Radio Bearer SelectedBearer Selected

Cell Edge Coverage ProbabilityCell Edge Coverage Probability



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FAST LINK ADAPTATION MODELLINGFAST LINK ADAPTATION MODELLING

ATOLL DETERMINES THE BEST HSDPA BEARER THAT EACH USER CAN ATOLL DETERMINES THE BEST HSDPA BEARER THAT EACH USER CAN OBTAINOBTAIN

PROCESS : PREDICTION DONE VIA LOOK-UP TABLESPROCESS : PREDICTION DONE VIA LOOK-UP TABLES

MODELLING FOR A SINGLE USERMODELLING FOR A SINGLE USER Each pixel of the map is considered as one HSDPA userEach pixel of the map is considered as one HSDPA user Each HSDPA user is processed as if he is the only user in the cell => He Each HSDPA user is processed as if he is the only user in the cell => He

uses the entire available HSDPA power of the celluses the entire available HSDPA power of the cell

MODELLING FOR SEVERAL USERSMODELLING FOR SEVERAL USERS Atoll considers several HSDPA users per pixelAtoll considers several HSDPA users per pixel The cell HSDPA power is shared between usersThe cell HSDPA power is shared between users

CQI calculationCQI calculationHSDPA bearerHSDPA bearer

selectionselectionLook-up of RLC Look-up of RLC peak ratepeak rate

CPICH/HS-PDSCH CPICH/HS-PDSCH Ec/Nt evaluationEc/Nt evaluation

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HSDPA PREDICTION EXAMPLEHSDPA PREDICTION EXAMPLE

HSDPA Study – Display per RLC peak rate for a single userHSDPA Study – Display per RLC peak rate for a single user

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PRINCIPLES OF HSUPA PREDICTIONSPRINCIPLES OF HSUPA PREDICTIONS

HSUPA PREDICTION CAN BE CALCULATED TO ANALYSEHSUPA PREDICTION CAN BE CALCULATED TO ANALYSE The power required by the terminalThe power required by the terminal The required E-DPDCH qualityThe required E-DPDCH quality The rates and throughputsThe rates and throughputs

HSUPA PREDICTION INPUTSHSUPA PREDICTION INPUTS The cell UL load factorThe cell UL load factor The cell UL load factor due to HSUPAThe cell UL load factor due to HSUPA The cell UL reuse factorThe cell UL reuse factor The maximum cell UL load factorThe maximum cell UL load factor The number of HSUPA users within the cell if the study is calculated The number of HSUPA users within the cell if the study is calculated

for several usersfor several users HSUPA user description: Terminal, service and mobility typeHSUPA user description: Terminal, service and mobility type

TWO CALCULATION OPTIONSTWO CALCULATION OPTIONS HSUPA resources are dedicated to a single userHSUPA resources are dedicated to a single user HSUPA resources are shared by several usersHSUPA resources are shared by several users

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS R99 Bearer ParametersR99 Bearer Parameters Rate DowngradingRate Downgrading Body LossBody Loss HSUPA Capability and Application Throughput ParametersHSUPA Capability and Application Throughput Parameters

HSUPA SERVICE PROPERTIESHSUPA SERVICE PROPERTIES4.

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TRANSPORT FORMAT COMBINATION (TFC) SELECTED BY THE TRANSPORT FORMAT COMBINATION (TFC) SELECTED BY THE SCHEDULERSCHEDULER

Defined in 3GPP SpecificationsDefined in 3GPP Specifications

HSUPA BEARER PROPERTIESHSUPA BEARER PROPERTIES4.

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PARAMETERS USED IN PREDICTIONSPARAMETERS USED IN PREDICTIONS Receiver equipmentReceiver equipment Frequency bandsFrequency bands Noise figuresNoise figures Maximum terminal powerMaximum terminal power Gain and lossesGain and losses DL rake factorDL rake factor Rho factorRho factor Compressed mode capabilityCompressed mode capability HSDPA and HSUPA capabilitiesHSDPA and HSUPA capabilities

– UE categoryUE category

– MUD factorMUD factor

HSUPA CAPABLE TERMINAL PROPERTIESHSUPA CAPABLE TERMINAL PROPERTIES4.

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HSUPA UE CATEGORY PROPERTIESHSUPA UE CATEGORY PROPERTIES

USER EQUIPMENT (UE) CAPABILITIES DEFINED IN 3GPP SPECIFICATIONSUSER EQUIPMENT (UE) CAPABILITIES DEFINED IN 3GPP SPECIFICATIONS

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DISPLAY OPTIONS FOR HSUPA PREDICTIONSDISPLAY OPTIONS FOR HSUPA PREDICTIONS

ON EACH PIXEL, YOU CAN DISPLAYON EACH PIXEL, YOU CAN DISPLAY

The E-DPDCH Ec/Nt required to otain the HSUPA bearerThe E-DPDCH Ec/Nt required to otain the HSUPA bearer

The terminal power required to obtain the HSUPA bearerThe terminal power required to obtain the HSUPA bearer

The RLC peak rate that the HSUPA bearer can provideThe RLC peak rate that the HSUPA bearer can provide

The minimum RLC throughput that the HSUPA bearer can provideThe minimum RLC throughput that the HSUPA bearer can provide

The application throughput that the HSUPA bearer can provideThe application throughput that the HSUPA bearer can provide

Etc.Etc.

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NOISE RISE SCHEDULING MODELLINGNOISE RISE SCHEDULING MODELLING

ATOLL DETERMINES THE BEST HSUPA BEARER THAT EACH USER CAN ATOLL DETERMINES THE BEST HSUPA BEARER THAT EACH USER CAN OBTAINOBTAIN

PROCESS : PREDICTION DONE VIA LOOK-UP TABLESPROCESS : PREDICTION DONE VIA LOOK-UP TABLES

MODELLING FOR A SINGLE USERMODELLING FOR A SINGLE USER Each pixel of the map is considered as one HSUPA userEach pixel of the map is considered as one HSUPA user Each HSUPA user is processed as if he is the only user in the cell => He Each HSUPA user is processed as if he is the only user in the cell => He

uses the entire remaining load of the celluses the entire remaining load of the cell

MODELLING FOR SEVERAL USERSMODELLING FOR SEVERAL USERS Atoll considers several HSUPA users per pixelAtoll considers several HSUPA users per pixel The remaining load of the cell is equally shared between usersThe remaining load of the cell is equally shared between users

Load sharing Load sharing between usersbetween users

HSUPA bearerHSUPA bearer

selectionselectionLook-up of RLC Look-up of RLC peak ratepeak rate

Calculation of the Calculation of the remaining loadremaining load

calculation of the calculation of the maximum E-DPDCH maximum E-DPDCH Ec/Nt allowedEc/Nt allowed

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HSUPA PREDICTION EXAMPLEHSUPA PREDICTION EXAMPLE

HSUPA Study – Display per RLC peak rate for a single userHSUPA Study – Display per RLC peak rate for a single user

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5. 5. Monte-Carlo Based SimulationMonte-Carlo Based Simulation








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5. MONTE-CARLO BASED SIMULATION5. MONTE-CARLO BASED SIMULATION

SIMULATION PROCESSSIMULATION PROCESS

SIMULATION CREATIONSIMULATION CREATION

SIMULATION RESULTSSIMULATION RESULTS

ANALYSIS OF SIMULATIONSANALYSIS OF SIMULATIONS

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WHAT’S A SIMULATION IN ATOLL?WHAT’S A SIMULATION IN ATOLL? Distribution of users at a given moment (= Snapshot)Distribution of users at a given moment (= Snapshot)

PURPOSEPURPOSE Simulate network regulation mechanisms for a user distributionSimulate network regulation mechanisms for a user distribution

– Uplink and downlink power control on R99 bearersUplink and downlink power control on R99 bearers– Fast link adaptation in order to select HSDPA bearersFast link adaptation in order to select HSDPA bearers– Noise rise scheduling in order to select HSUPA bearersNoise rise scheduling in order to select HSUPA bearers

Obtaining network parametersObtaining network parameters– Mobile: active set, required power, etcMobile: active set, required power, etc– Cell: total DL power, UL load, etcCell: total DL power, UL load, etc

THREE STEPSTHREE STEPS1. Obtaining a realistic user distribution1. Obtaining a realistic user distribution

2. Modelling network power control, fast link adaptation and noise rise 2. Modelling network power control, fast link adaptation and noise rise schedulingscheduling

3. Calculating network parameters3. Calculating network parameters– Dimensioning informationDimensioning information

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REQUIREMENT: TRAFFIC MAP(S)REQUIREMENT: TRAFFIC MAP(S)

THE USER DISTRIBUTION IS GENERATED USING A MONTE-CARLO THE USER DISTRIBUTION IS GENERATED USING A MONTE-CARLO ALGORITHMALGORITHM

Based on traffic database and traffic map(s)Based on traffic database and traffic map(s)

Weighted by a poisson distributionWeighted by a poisson distribution

EACH USER IS ASSIGNEDEACH USER IS ASSIGNED

A service, a mobility type, a terminal and an activity status by random trialA service, a mobility type, a terminal and an activity status by random trial

– According to a probability law using traffic databaseAccording to a probability law using traffic database

A shadowing errorA shadowing error

– Using the probability distribution that describes the shadowing effectUsing the probability distribution that describes the shadowing effect

A geographic position in the traffic zone by random trialA geographic position in the traffic zone by random trial

– According to the clutter weighting and indoor ratioAccording to the clutter weighting and indoor ratio

5.

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ITERATIVE ALGORITHMITERATIVE ALGORITHM

During each iteration, all the mobiles attempt to connect one by one to During each iteration, all the mobiles attempt to connect one by one to network transmittersnetwork transmitters

Process repeated until convergenceProcess repeated until convergence

SIMULATION ALGORITHM DIVIDED IN THREE PARTSSIMULATION ALGORITHM DIVIDED IN THREE PARTS

R99 part: All users are evaluatedR99 part: All users are evaluated

– Simulation of power control, congestion and radio resource control Simulation of power control, congestion and radio resource control performed for R99 bearers for R99, HSDPA and HSUPA usersperformed for R99 bearers for R99, HSDPA and HSUPA users

HSDPA part: HSDPA bearer users are then evaluatedHSDPA part: HSDPA bearer users are then evaluated

– Simulation of fast link adaptation, scheduling of HSDPA users and Simulation of fast link adaptation, scheduling of HSDPA users and radio resource controlradio resource control

HSUPA part: HSUPA users are then evaluatedHSUPA part: HSUPA users are then evaluated

– Simulation of noise rise scheduling and radio resource control of Simulation of noise rise scheduling and radio resource control of HSUPA usersHSUPA users

5.

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SIMULATION CREATIONSIMULATION CREATION5.

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Number of simulations to Number of simulations to run for the current run for the current sessionsession

Respect of cell Respect of cell constraints or notconstraints or not

Level of detail in Level of detail in simulation outputssimulation outputs

R99 to R99 Bearer, R99 to R99 Bearer, HSDPA to R99 Bearer HSDPA to R99 Bearer and HSUPA to R99 and HSUPA to R99 Bearer Downgrading Bearer Downgrading AllowedAllowed

Optional multiplicative factorOptional multiplicative factor

Cartography selectionCartography selection



68

SIMULATION RESULTS (1)SIMULATION RESULTS (1)

ANALYSIS PROVIDED OVER THE FOCUS ZONEANALYSIS PROVIDED OVER THE FOCUS ZONE

6 TABS : STATISTICS, SITES, CELLS, MOBILES, SHADOWING VALUES (IF 6 TABS : STATISTICS, SITES, CELLS, MOBILES, SHADOWING VALUES (IF DETAILED RESULTS), INITIAL CONDITIONSDETAILED RESULTS), INITIAL CONDITIONS

5.

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SIMULATION RESULTS (2)SIMULATION RESULTS (2)5.

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Writes the UL load factor, the total Writes the UL load factor, the total DL power, the UL reuse factor, the DL power, the UL reuse factor, the HSDPA power, the number of HSDPA power, the number of HSDPA users, the UL load factor HSDPA users, the UL load factor due to HSDPA and the number of due to HSDPA and the number of HSUPA users into the Cells tableHSUPA users into the Cells table



70

SIMULATION RESULTS (3)SIMULATION RESULTS (3)5.

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Display the Users (Terminals) on the map Display the Users (Terminals) on the map depending on the Connection Statusdepending on the Connection Status



71

CALCULATION OF UMTS, HSDPA AND HSUPA PREDICTION STUDIES BASED CALCULATION OF UMTS, HSDPA AND HSUPA PREDICTION STUDIES BASED ON SIMULATIONSON SIMULATIONS

Analysis of a single simulationAnalysis of a single simulation

Average analysis of all the simulations in a groupAverage analysis of all the simulations in a group

Statistical analysis of all the simulations in a group with a probabilityStatistical analysis of all the simulations in a group with a probability

ANALYSIS OF SIMULATIONS (1)ANALYSIS OF SIMULATIONS (1)5.

M

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Prediction based on the results of the Prediction based on the results of the simulation (DL power, UL load factor, etc)simulation (DL power, UL load factor, etc)

Prediction based on the average of simulations in Prediction based on the average of simulations in the group (average DL power, average UL load the group (average DL power, average UL load factor, etc)factor, etc)

e.g. A group of 10 simulations and a probability set e.g. A group of 10 simulations and a probability set to 0.8to 0.8 10 calculations of the studied criterion, each of 10 calculations of the studied criterion, each of them based on the results of a simulation (DL power, them based on the results of a simulation (DL power, UL load factor, etc). In order for the pixel to be UL load factor, etc). In order for the pixel to be coloured, the studied criterion must be satisfied in at coloured, the studied criterion must be satisfied in at least 8 calculations.least 8 calculations.



72

ANALYSIS OF SIMULATIONS (2)ANALYSIS OF SIMULATIONS (2)5.

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AS ANALYSIS BASED ON SIMULATIONSAS ANALYSIS BASED ON SIMULATIONS Analysis of a single simulationAnalysis of a single simulation

Average analysis of all the simulations in a groupAverage analysis of all the simulations in a group

Prediction based on the results of the Prediction based on the results of the simulation (DL power and UL load factor)simulation (DL power and UL load factor)

Prediction based on the average of simulations in the Prediction based on the average of simulations in the group (average DL power, average UL load factor, etc)group (average DL power, average UL load factor, etc)



73















6. 6. Neighbour AllocationNeighbour Allocation







74

6. NEIGHBOUR ALLOCATION6. NEIGHBOUR ALLOCATION

IMPORTING EXISTING NEIGHBOUR RELATIONSHIPSIMPORTING EXISTING NEIGHBOUR RELATIONSHIPS

NEIGHBOUR AUTOMATIC ALLOCATIONNEIGHBOUR AUTOMATIC ALLOCATION

NEIGHBOUR GRAPHICAL DISPLAYNEIGHBOUR GRAPHICAL DISPLAY

MODIFYING NEIGHBOUR RELATIONSHIPS MANUALLYMODIFYING NEIGHBOUR RELATIONSHIPS MANUALLY

EXPORTING NEIGHBOUR RELATIONSHIPSEXPORTING NEIGHBOUR RELATIONSHIPS

6.

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75

POSSIBILITY TO COPY/PASTE OR TO IMPORT A LIST OF NEIGHBOURSPOSSIBILITY TO COPY/PASTE OR TO IMPORT A LIST OF NEIGHBOURS Intra-carrier and inter-carrier neighbours are mixed in the same tableIntra-carrier and inter-carrier neighbours are mixed in the same table

PREREQUISITESPREREQUISITES A text file with at least 2 columnsA text file with at least 2 columns

– Source cells and neighbour cellsSource cells and neighbour cells

– Relationships must be defined between Atoll format cell namesRelationships must be defined between Atoll format cell names

IMPORTING EXISTING NEIGHBOUR IMPORTING EXISTING NEIGHBOUR RELATIONSHIPSRELATIONSHIPS

6.

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MANAGEMENT OF INTRA-CARRIER AND INTER-CARRIER NEIGHBOURSMANAGEMENT OF INTRA-CARRIER AND INTER-CARRIER NEIGHBOURS One allocation algorithm dedicated to intra-carrier neighbours and another One allocation algorithm dedicated to intra-carrier neighbours and another

one for inter-carrier neighboursone for inter-carrier neighbours

POSSIBILITY TO DEFINE NEIGHBOURHOOD CONSTRAINTS TO BE POSSIBILITY TO DEFINE NEIGHBOURHOOD CONSTRAINTS TO BE CONSIDERED DURING THE AUTOMATIC NEIGHBOUR ALLOCATIONCONSIDERED DURING THE AUTOMATIC NEIGHBOUR ALLOCATION

Intra-carrier and inter-carrier neighbourhood constraints are mixed in the Intra-carrier and inter-carrier neighbourhood constraints are mixed in the same tablesame table

ALLOCATION PARAMETERSALLOCATION PARAMETERS Maximum number of neighboursMaximum number of neighbours

– Global value for all the cells or value specified for each cellGlobal value for all the cells or value specified for each cell Maximum inter-site distanceMaximum inter-site distance Allocation strategy based on the overlapping of cell coverageAllocation strategy based on the overlapping of cell coverage

List of neighbour relationships you may List of neighbour relationships you may force or forbidforce or forbid

NEIGHBOUR AUTOMATIC ALLOCATIONNEIGHBOUR AUTOMATIC ALLOCATION6.

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INTRA-CARRIER NEIGHBOUR AUTOMATIC ALLOCATIONINTRA-CARRIER NEIGHBOUR AUTOMATIC ALLOCATION

6.

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ION Coverage conditionsCoverage conditions

Overlapping criterionOverlapping criterion

Calculation optionsCalculation options

Do not select the option Do not select the option if you want to keep if you want to keep existing neighboursexisting neighbours

Start allocationStart allocation



79


OVERLAPPING CRITERIONOVERLAPPING CRITERION (Intra-Carrier) (Intra-Carrier) % Min covered area is defined by the formula : (S% Min covered area is defined by the formula : (SAA ∩ S∩ SBB) / S) / SA A where :where :- - SSAA is the best server area of cell A. is the best server area of cell A.

Cell A is the first one in the ASCell A is the first one in the AS- S- SBB is the area where cell B can enter the AS of cell A is the area where cell B can enter the AS of cell A

B best server areaB best server area

(Candidate)(Candidate)

A best server areaA best server area

(Reference)(Reference) BB

Minimum Minimum Ec/Io for AEc/Io for A

AA

SSAA ∩ S ∩ SB :B :

Area where :Area where :Ec/Io(B) Ec/Io(B) ≥≥ Ec/Io(A) – Ec/Io margin(A) Ec/Io(A) – Ec/Io margin(A)

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INTER-CARRIER NEIGHBOUR AUTOMATIC ALLOCATIONINTER-CARRIER NEIGHBOUR AUTOMATIC ALLOCATION

6.

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ION Coverage conditionsCoverage conditions







81


OVERLAPPING CRITERIONOVERLAPPING CRITERION (Inter-Carrier – Carrier saturation) (Inter-Carrier – Carrier saturation) % Min covered area is defined by the formula : (S% Min covered area is defined by the formula : (SAA ∩ S∩ SBB) / S) / SBB where :where :- - SSAA is the best server area is the best server area (on carrier 1) (on carrier 1) + Hand+ Handooff area of cell Aff area of cell A- S- SBB is the best server area of cell B is the best server area of cell B (on carrier 2) (on carrier 2)


(Carrier 2 - Candidate)(Carrier 2 - Candidate)

A best server areaA best server area

(Carrier 1 - Reference)(Carrier 1 - Reference) BB

Minimum Minimum Ec/Io for AEc/Io for A Best Ec/Io for A - Best Ec/Io for A -

Ec/Io MarginEc/Io Margin

AA

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OVERLAPPING CRITERIONOVERLAPPING CRITERION (Inter-Carrier – Out of carrier coverage) (Inter-Carrier – Out of carrier coverage) % Min covered Area is defined by the formula : (S% Min covered Area is defined by the formula : (SAA ∩ S∩ SBB) / S) / SBB where :where :- - SSAA is the is the coverage area of A + Ec/Io margin (and best server on carrier 1)coverage area of A + Ec/Io margin (and best server on carrier 1)- S- SBB is the best server area of cell B is the best server area of cell B (on carrier 2)(on carrier 2)


(Carrier 2 - Candidate)(Carrier 2 - Candidate)

BB

Minimum Ec/Io Minimum Ec/Io for A and A best for A and A best

server area server area (Carrier 1 - (Carrier 1 - Reference)Reference)

Minimum Ec/Io Minimum Ec/Io for A + Ec/Io for A + Ec/Io

MarginMargin

AA

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ALLOCATION RESULTALLOCATION RESULT Sorted list of neighbours with allocation reasons and importance value Sorted list of neighbours with allocation reasons and importance value

(0-1)(0-1)

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Commit selected Commit selected neighbours onlyneighbours only

Allocation resultsAllocation results

Sort and filtering toolsSort and filtering tools



84


DISPLAY OF INTRA-CARRIER AND INTER-CARRIER NEIGHBOURHOOD LINKS DISPLAY OF INTRA-CARRIER AND INTER-CARRIER NEIGHBOURHOOD LINKS ON THE MAPON THE MAP

Calculate a “coverage by transmitter” and display it on the mapCalculate a “coverage by transmitter” and display it on the map

Select the icon in the toolbar and click a transmitter on the mapSelect the icon in the toolbar and click a transmitter on the map

Inwards link: Site23_1(0) Inwards link: Site23_1(0) is neighbour of is neighbour of Site22_0(0)Site22_0(0)

Symmetric link: Site17_1(0) Symmetric link: Site17_1(0) is neighbour of Site23_1(0) is neighbour of Site23_1(0) and vice-versaand vice-versa

Outwards link: Site27_0(0) Outwards link: Site27_0(0) is neighbour of Site23_1(0)is neighbour of Site23_1(0)

Neighbourhood relationships of Site23_1(0)Neighbourhood relationships of Site23_1(0)

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POSSIBILITY TO DISPLAY NEIGHBOUR CHARACTERISTICS ON THE MAPPOSSIBILITY TO DISPLAY NEIGHBOUR CHARACTERISTICS ON THE MAP

Calculate a “coverage by transmitter” and display it on the mapCalculate a “coverage by transmitter” and display it on the map

Display neighbour relationships of the desired transmitter Display neighbour relationships of the desired transmitter

Click the icon from the toolbarClick the icon from the toolbar

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POSSIBILITY TO ADD/REMOVE NEIGHBOUR RELATIONSHIPS ON THE MAP POSSIBILITY TO ADD/REMOVE NEIGHBOUR RELATIONSHIPS ON THE MAP USING THE CTRL AND SHIFT SHORTCUTSUSING THE CTRL AND SHIFT SHORTCUTS

For intra-carrier neighbourhood links onlyFor intra-carrier neighbourhood links only

POSSIBILITY TO ADD/REMOVE INTRA-CARRIER AND INTER-CARRIER POSSIBILITY TO ADD/REMOVE INTRA-CARRIER AND INTER-CARRIER NEIGHBOURS IN THE TRANSMITTER PROPERTY DIALOGUENEIGHBOURS IN THE TRANSMITTER PROPERTY DIALOGUE

MODIFYING NEIGHBOUR RELATIONSHIPS MODIFYING NEIGHBOUR RELATIONSHIPS MANUALLYMANUALLY

6.

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List of transmitters within a 30 km radius List of transmitters within a 30 km radius from the selected one (sorted in a ascending from the selected one (sorted in a ascending inter-site distance order)inter-site distance order)

Neighbour list of Site23_1(0)Neighbour list of Site23_1(0)



87

EXPORTING NEIGHBOUR RELATIONSHIPSEXPORTING NEIGHBOUR RELATIONSHIPS

POSSIBILITY TO COPY/PASTE OR TO EXPORT THE LIST OF NEIGHBOURSPOSSIBILITY TO COPY/PASTE OR TO EXPORT THE LIST OF NEIGHBOURS Intra-carrier and inter-carrier neighbours are mixed in the same tableIntra-carrier and inter-carrier neighbours are mixed in the same table

6.

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7. 7. Scrambling Codes PlanningScrambling Codes Planning






89

7. SCRAMBLING CODE PLANNING7. SCRAMBLING CODE PLANNING

GENERAL SETTINGSGENERAL SETTINGS

AUTOMATIC ALLOCATIONAUTOMATIC ALLOCATION

SCRAMBLING CODE SEARCH TOOLSCRAMBLING CODE SEARCH TOOL

SCRAMBLING CODE HISTOGRAMSSCRAMBLING CODE HISTOGRAMS

SCRAMBLING CODE INTERFERENCE ZONE PREDICTIONSCRAMBLING CODE INTERFERENCE ZONE PREDICTION

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GENERAL SETTINGSGENERAL SETTINGS

512 SCRAMBLING CODES AVAILABLE (0-511)512 SCRAMBLING CODES AVAILABLE (0-511)

POSSIBILITY TO MANAGE COORDINATION PROBLEMS AND SEPARATIONS POSSIBILITY TO MANAGE COORDINATION PROBLEMS AND SEPARATIONS BETWEEN SCRAMBLING CODES BETWEEN SCRAMBLING CODES

Definition of domains and groups of scrambling codesDefinition of domains and groups of scrambling codes

– 1 domain = set of groups1 domain = set of groups

– 1 group consists of several scrambling codes1 group consists of several scrambling codes A domain of scrambling codes may be assigned to each cell A domain of scrambling codes may be assigned to each cell

– Cells tableCells table

POSSIBILITY TO SPECIFY PAIRS OF CELLS WHICH CANNOT HAVE THE SAME POSSIBILITY TO SPECIFY PAIRS OF CELLS WHICH CANNOT HAVE THE SAME SCRAMBLING CODESCRAMBLING CODE

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ALLOCATION CRITERIAALLOCATION CRITERIA First, second and third order neighboursFirst, second and third order neighbours Additional conditions on Ec/IoAdditional conditions on Ec/Io Reuse distanceReuse distance

– Comparison between the inter-transmitter distance and the reuse Comparison between the inter-transmitter distance and the reuse distance (can be defined at the cell level)distance (can be defined at the cell level)

SC domain assigned to the cellSC domain assigned to the cell Number of scrambling codes per clusterNumber of scrambling codes per cluster Forbidden pairsForbidden pairs

ALLOCATION STRATEGIESALLOCATION STRATEGIES ClusteredClustered

– Use a minimum number of clustersUse a minimum number of clusters Distributed per CellDistributed per Cell

– Use as many clusters as possibleUse as many clusters as possible One Cluster per siteOne Cluster per site Distributed per siteDistributed per site

– Use a group of adjacent clusters per siteUse a group of adjacent clusters per site

ALLOCATION OPTIONSALLOCATION OPTIONS Possibility to force the largest spectrum possiblePossibility to force the largest spectrum possible Possibility to allocate carriers identicallyPossibility to allocate carriers identically

AUTOMATIC ALLOCATIONAUTOMATIC ALLOCATION7.

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EXAMPLES OF ALLOCATION STRATEGIESEXAMPLES OF ALLOCATION STRATEGIES


S

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CLUSTEREDCLUSTEREDDISTRIBUTED DISTRIBUTED PER CELLPER CELL

ONE CLUSTER ONE CLUSTER PER SITEPER SITE

DISTRIBUTED DISTRIBUTED PER SITEPER SITE

CONDITIONS CONDITIONS

3 clusters consisted of 8 codes : 3 clusters consisted of 8 codes : Cluster 0 : 0 to 7 Cluster 0 : 0 to 7 Cluster 1 : 8 to 15 Cluster 1 : 8 to 15 Cluster 2 : 16 to 23 Cluster 2 : 16 to 23

Maximum use of codes Maximum use of codes



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Allocation strategyAllocation strategy


Contraints on neighbour relationshipsContraints on neighbour relationships



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Commit scrambling Commit scrambling codes to cellscodes to cells

Allocation resultAllocation result



95

SCRAMBLING CODE SEARCH TOOLSCRAMBLING CODE SEARCH TOOL

TOOL TO VIEW SCRAMBLING CODE REUSE ON THE MAPTOOL TO VIEW SCRAMBLING CODE REUSE ON THE MAP

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Calculate a “Coverage by Transmitter” Calculate a “Coverage by Transmitter” and display it on the Mapand display it on the Map

Colours given to transmittersColours given to transmitters

• Red : transmitters which cells Red : transmitters which cells have the specified scrambling have the specified scrambling codecode

• Grey : Other transmittersGrey : Other transmitters

Scrambling code or group of scrambling codes Scrambling code or group of scrambling codes to be located on the mapto be located on the map



96

SCRAMBLING CODE HISTOGRAMSSCRAMBLING CODE HISTOGRAMS

VIEW OF THE SCRAMBLING CODE DISTRIBUTIONVIEW OF THE SCRAMBLING CODE DISTRIBUTION

7.

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Scrambling Code or Scrambling Code or Cluster DistributionCluster Distribution

Distribution TableDistribution Table

Dynamic PointerDynamic Pointer



97

SCRAMBLING CODE INTERFERENCE ZONE SCRAMBLING CODE INTERFERENCE ZONE PREDICTIONPREDICTION

DISPLAY OF SCRAMBLING CODE INTERFERENCE ZONES ACCORDING TO DISPLAY OF SCRAMBLING CODE INTERFERENCE ZONES ACCORDING TO THE INTERFERED TRANSMITTERTHE INTERFERED TRANSMITTER

Scrambling code interference when the best server and other Scrambling code interference when the best server and other transmitters satisfying conditions to enter the user AS have the same transmitters satisfying conditions to enter the user AS have the same scrambling codescrambling code

7.

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8. 8. GSM/TDMA – UMTS Co-planningGSM/TDMA – UMTS Co-planning





99

8. GSM/TDMA-UMTS CO-PLANNING8. GSM/TDMA-UMTS CO-PLANNING

LINKING GSM AND UMTS PROJECTSLINKING GSM AND UMTS PROJECTS

CREATING A UMTS TRANSMITTER FROM A GSM ONECREATING A UMTS TRANSMITTER FROM A GSM ONE

IMPORTING EXISTING NEIGHBOUR RELATIONSHIPSIMPORTING EXISTING NEIGHBOUR RELATIONSHIPS



MODIFYING NEIGHBOUR RELATIONSHIPS MANUALLYMODIFYING NEIGHBOUR RELATIONSHIPS MANUALLY

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LINKING GSM AND UMTS PROJECTSLINKING GSM AND UMTS PROJECTS

PREREQUISITEPREREQUISITE

Both GSM and UMTS projects need to be openedBoth GSM and UMTS projects need to be opened

CREATE LINKS ON SITES, TRANSMITTERS AND PREDICTIONSCREATE LINKS ON SITES, TRANSMITTERS AND PREDICTIONS

From the GSM project into the UMTS project in order to plan GSM From the GSM project into the UMTS project in order to plan GSM neighbours of UMTS cellsneighbours of UMTS cells

8.

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CREATE A UMTS TRANSMITTER FROM A GSM CREATE A UMTS TRANSMITTER FROM A GSM ONEONE

PREREQUISITEPREREQUISITE

Both GSM and UMTS projects need to be opened and linkedBoth GSM and UMTS projects need to be opened and linked

The list of GSM and UMTS sites must be identicalThe list of GSM and UMTS sites must be identical

BY DEFAULT, THE NEWLY CREATED UMTS TRANSMITTERBY DEFAULT, THE NEWLY CREATED UMTS TRANSMITTER

Is based on the default UMTS station template selectedIs based on the default UMTS station template selected

Is located on the same site as the GSM oneIs located on the same site as the GSM one

Has same antenna height, azimuth and mechanical tilt (these can then be Has same antenna height, azimuth and mechanical tilt (these can then be adjusted if desired)adjusted if desired)

8.

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POSSIBILITY TO COPY/PASTE OR TO IMPORT A LIST OF NEIGHBOURS IN POSSIBILITY TO COPY/PASTE OR TO IMPORT A LIST OF NEIGHBOURS IN THE INTER-TECHNOLOGY NEIGHBOURS TABLETHE INTER-TECHNOLOGY NEIGHBOURS TABLE

PREREQUISITEPREREQUISITE A text file with at least 2 columnsA text file with at least 2 columns

– Source cells and neighbour cellsSource cells and neighbour cells

– Relationships must be defined between Atoll format cell namesRelationships must be defined between Atoll format cell names


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PREREQUISITEPREREQUISITE Existing link on the Transmitters folder of the GSM .atl document into the Existing link on the Transmitters folder of the GSM .atl document into the

UMTS .atl documentUMTS .atl document

POSSIBILITY TO DEFINE NEIGHBOURHOOD CONSTRAINTS TO BE POSSIBILITY TO DEFINE NEIGHBOURHOOD CONSTRAINTS TO BE CONSIDERED DURING THE AUTOMATIC NEIGHBOUR ALLOCATION (INTER-CONSIDERED DURING THE AUTOMATIC NEIGHBOUR ALLOCATION (INTER-TECHNOLOGY EXCEPTIONAL PAIRS)TECHNOLOGY EXCEPTIONAL PAIRS)

ALLOCATION PARAMETERSALLOCATION PARAMETERS Maximum number of neighboursMaximum number of neighbours

– Global value for all the cells or value specified for each cellGlobal value for all the cells or value specified for each cell Maximum inter-site distanceMaximum inter-site distance 2 allocation strategies2 allocation strategies

– Based on distanceBased on distance

– Based on overlapping of GSM and UMTS cell coverageBased on overlapping of GSM and UMTS cell coverage

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INTER-CARRIER NEIGHBOUR AUTOMATIC ALLOCATIONINTER-CARRIER NEIGHBOUR AUTOMATIC ALLOCATION

UMTS coverage conditionsUMTS coverage conditions





GSM coverage conditionsGSM coverage conditions

Coverage overlapping optionalCoverage overlapping optional

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ALLOCATION RESULTALLOCATION RESULT

Sort and filtering toolsSort and filtering tools

Commit selected Commit selected neighbours onlyneighbours only

Allocation resultsAllocation results

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DISPLAY OF INTER-TECHNOLOGY NEIGHBOURHOOD LINKS ON THE MAPDISPLAY OF INTER-TECHNOLOGY NEIGHBOURHOOD LINKS ON THE MAP

Click the icon from the tool barClick the icon from the tool bar

Select the icon in the tool bar and click on a transmitter on the mapSelect the icon in the tool bar and click on a transmitter on the map

NEIGHBOUR GRAPHICAL DISPLAYNEIGHBOUR GRAPHICAL DISPLAY8.

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POSSIBILITY TO ADD/REMOVE NEIGHBOUR RELATIONSHIPS ON THE MAP POSSIBILITY TO ADD/REMOVE NEIGHBOUR RELATIONSHIPS ON THE MAP USING THE CTRL AND SHIFT SHORTCUTSUSING THE CTRL AND SHIFT SHORTCUTS

POSSIBILITY TO ADD/REMOVE GSM NEIGHBOURSPOSSIBILITY TO ADD/REMOVE GSM NEIGHBOURS

MODIFYING NEIGHBOUR RELATIONSHIPS MODIFYING NEIGHBOUR RELATIONSHIPS MANUALLYMANUALLY

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List of GSM List of GSM transmitters within a transmitters within a

30 km radius from 30 km radius from the selected UMTS the selected UMTS cell (sorted in an cell (sorted in an

ascending inter-site ascending inter-site distance order)distance order)

List of GSM List of GSM neighbours of neighbours of Site71_U2(0)Site71_U2(0)



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9. 9. Using Drive TestsUsing Drive Tests




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9. USING DRIVE TESTS9. USING DRIVE TESTS

IMPORT OF TEST MOBILE DATA PATHIMPORT OF TEST MOBILE DATA PATH

DRIVE TEST MANAGEMENTDRIVE TEST MANAGEMENT

DRIVE TEST GRAPHIC ANALYSISDRIVE TEST GRAPHIC ANALYSIS

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IMPORT OF TEST MOBILE DATA PATHSIMPORT OF TEST MOBILE DATA PATHS

OVERVIEWOVERVIEW Measurement path related to a serving cell and its neighboursMeasurement path related to a serving cell and its neighbours Check and improve the network qualityCheck and improve the network quality

IMPORTIMPORT Supported filesSupported files

– Any ASCII text file (with tab, semi-colon or blank character as Any ASCII text file (with tab, semi-colon or blank character as separator)separator)

– TEMS FICS-Planet export (*.pln)TEMS FICS-Planet export (*.pln)

– TEMS text export (*.fmt)TEMS text export (*.fmt) ProcedureProcedure

– Standard import as in ExcelStandard import as in Excel

– Mandatory informationMandatory information Position of measurement pointsPosition of measurement points ID of Active set members or ID of Scanned cells ID of Active set members or ID of Scanned cells

– You can import any additional information related to measurement You can import any additional information related to measurement pointspoints

– Definition and storage of import configurationsDefinition and storage of import configurations

– Multiple importMultiple import

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TABLETABLE List of all the measurement points with their attributes and additional List of all the measurement points with their attributes and additional

informationinformation

Standard content management and tools (filters, copy-paste, etc...)Standard content management and tools (filters, copy-paste, etc...)

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DRIVE TESTS MANAGEMENTSDRIVE TESTS MANAGEMENTS



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MANAGEMEMENT OF MEASUREMENT PATH POINTSMANAGEMEMENT OF MEASUREMENT PATH POINTS

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Option of extracting a Option of extracting a field related to a specific field related to a specific transmitter along a pathtransmitter along a path

Option of creating as many CW Option of creating as many CW measurement paths as the number of measurement paths as the number of involved transmitters along the path. involved transmitters along the path. These data can be used to calibrate These data can be used to calibrate

any propagation modelany propagation model

Creation of any prediction on the Creation of any prediction on the transmitters measured along the transmitters measured along the

pathpath



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Filter per Filter per type(s) type(s)

of clutterof clutter

Advanced filter Advanced filter on additional on additional survey datasurvey data

Permanent Permanent deletion of out-deletion of out-of-filter pointsof-filter points



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Option of preparing additional prediction Option of preparing additional prediction studies along the path using the existing studies along the path using the existing

transmitter parameters (antennas, transmitter parameters (antennas, propagation models, etc…)propagation models, etc…)

List of defined List of defined studies in the studies in the

measurement tablemeasurement table



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Using the Atoll display dialog, you can Using the Atoll display dialog, you can display the points according to any data display the points according to any data

contained in the measurement tablecontained in the measurement table



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TEST MOBILE DATA ANALYSIS WINDOWTEST MOBILE DATA ANALYSIS WINDOW

Display on the mapDisplay on the map

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DRIVE TESTS GRAPHIC ANALYSISDRIVE TESTS GRAPHIC ANALYSIS

Transmitters Transmitters measured and measured and indexed for the indexed for the current point. current point.



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TEST MOBILE DATA ANALYSIS WINDOWTEST MOBILE DATA ANALYSIS WINDOW

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DRIVE TESTS GRAPHIC ANALYSISDRIVE TESTS GRAPHIC ANALYSIS

Synchronisation Synchronisation table – map – table – map – measurement measurement

windowwindow

Option of displaying Option of displaying variation of any variation of any

selected numeric selected numeric field along the field along the selected pathselected path



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THANK YOU!THANK YOU!

atoll 2.7.1 umts hspa basic

Documents

define neighbourhood

compressed

rlc peak rate

dl rake factor

relative transmission

total dl power

fast link

ul load factor