Tems training

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TEMS Training TEMS Training Jakarta, 16 Desember 2006 Jakarta, 16 Desember 2006

Transcript of Tems training

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TEMS TrainingTEMS Training

Jakarta, 16 Desember 2006Jakarta, 16 Desember 2006

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Data MentorData Mentor Nama :Nama : Andu Hanindyo Andu Hanindyo

Posisi Terakhir :Posisi Terakhir : Drive Test dan IBS Engineer Drive Test dan IBS Engineer

Spesialis :Spesialis : In Building Solution, Drive Test In Building Solution, Drive Test

Pengalaman Kerja :Pengalaman Kerja :

- 2002-2006 : Drive test engineer untuk Indosat, - 2002-2006 : Drive test engineer untuk Indosat, TelkomselTelkomsel

- 2005-2006 : IBS Engineer untuk Telkomsel, site audit - 2005-2006 : IBS Engineer untuk Telkomsel, site audit

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INTRODUCTIONINTRODUCTION

what’s TEMSwhat’s TEMS TEMS as DRIVE TEST TOOLSTEMS as DRIVE TEST TOOLS

drive testing highlightdrive testing highlight

mode of drive testmode of drive test

scanscan TEMS to see how the network runsTEMS to see how the network runs

the usethe use

what to see what to measurewhat to see what to measure

casescases

guidelinesguidelines

INTRODUCTIONINTRODUCTION

what’s TEMSwhat’s TEMS TEMS as DRIVE TEST TOOLSTEMS as DRIVE TEST TOOLS

drive testing highlightdrive testing highlight

mode of drive testmode of drive test

scanscan TEMS to see how the network runsTEMS to see how the network runs

the usethe use

what to see what to measurewhat to see what to measure

casescases

guidelinesguidelines

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TEMS = Test Mobile SystemProduct byProduct by ERICSSON

Solution Tools for Wireless Network to Plan, optimized, and expand their systems.

A Test tool use to read and control information sent over the airInterface between the base station and the mobile station in GSM/cellular system. It can also used for radio coverage measurement

IntroductionIntroduction

WHAT’S TEMSWHAT’S TEMS

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IntroductionIntroduction

WHAT’S TEMSWHAT’S TEMS

Product of TEMS

• TEMS TransmitterTEMS Transmitter• TEMS LightTEMS Light• TEMS IndoorTEMS Indoor• TEMS InvestigationTEMS Investigation• TEMS DeskcatTEMS Deskcat• TEMS Drive TesterTEMS Drive Tester• TEMS PocketTEMS Pocket

• TEMS AutomaticTEMS Automatic • TEMS CellPlannerTEMS CellPlanner• TEMS LinkPlannerTEMS LinkPlanner

• TEMS AutomaticTEMS Automatic• TEMS CellSightTEMS CellSight• TEMS VisualizationTEMS Visualization

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IntroductionIntroduction

WHAT’S TEMSWHAT’S TEMS

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TEMS TEMS INVESTIGATION

IntroductionIntroduction

WHAT’S TEMSWHAT’S TEMS

SoftwareSoftware

HandsetHandset

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IntroductionIntroduction

WHAT’S TEMSWHAT’S TEMS

TEMS Investigation version:

• TEMS Classic/98TEMS Classic/98 : SH888; post process with 3: SH888; post process with 3rdrd-party-s/w-party-s/w• TEMS 2TEMS 2 : R230; post process with 3rd-party-s/w: R230; post process with 3rd-party-s/w• TEMS 3TEMS 3 : R520; post process with : R520; post process with 3rd-party-s/w3rd-party-s/w• TEMS 4TEMS 4 : T68; export from TEMS: T68; export from TEMS• TEMS 5TEMS 5 : T610; export from TEMS: T610; export from TEMS• TEMS 6TEMS 6 : various handset; data collection & route analysis: various handset; data collection & route analysis• TEMS 7TEMS 7 : various handset; data collection & route analysis: various handset; data collection & route analysis

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As Drive Test ToolsAs Drive Test Tools

DRIVE TESTING HIGHLIGHTSDRIVE TESTING HIGHLIGHTS

DDrive Test = Testing the network in particular areaTesting the network in particular area to give the real picture of the network’sto give the real picture of the network’s performance on the field, with a certain tools.performance on the field, with a certain tools.

DDrive Test Planning

Implementation

OptimizationOptimization

Michael pipikakisMichael pipikakisEvaluating and ImprovingThe Quality of Service of Second Generation Cellular SystemSeptember,2004

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Drive test TEMS

As Drive Test ToolsAs Drive Test Tools

DRIVE TESTING HIGHLIGHTSDRIVE TESTING HIGHLIGHTS

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As Drive Test ToolsAs Drive Test Tools

DRIVE TESTING HIGHLIGHTSDRIVE TESTING HIGHLIGHTS

Drive Test Equipments

Laptop

TEMSHandset

Notes :

-power supply needed, usually using inverter in the car from laptop, GPS and MS

-GPS should use external antenna

-MS can use external antenna or not use external antenna.

(Use external antenna means measure RxLevel “Pedestrian / Street Level”)

(Not use external antenna means measure RxLevel “ In car level) -> more realistic result

If using scenario not external antenna, MS position should be carefully chosen and stable during drive test

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As Drive Test ToolsAs Drive Test Tools

MODE OF DRIVE TESTMODE OF DRIVE TEST

1. Dedicated / Continuous / Long Call Mode

Making continuous call along drive test Making continuous call along drive test activity.activity.Before starting the route, call the drive test number, ex. 199 for Telkomsel,And only stop the call when the route (drive test) finish.

To see the quality and coverage of the network

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As Drive Test ToolsAs Drive Test Tools

MODE OF DRIVE TESTMODE OF DRIVE TEST

2. Idle Mode

Along the drive test activity, the MS is “ON” but no call occurAlong the drive test activity, the MS is “ON” but no call occur

To see the coverage of the network

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As Drive Test ToolsAs Drive Test Tools

MODE OF DRIVE TESTMODE OF DRIVE TEST

3. Sequential / Qos / Short Call Mode

Creating the sequence of call along the drive test activityCreating the sequence of call along the drive test activityBefore starting the route create call sequence, for example:Before starting the route create call sequence, for example:Create call for 70 s and idle for 10 s.Create call for 70 s and idle for 10 s.Along the drive test, play this sequence until the Along the drive test, play this sequence until the route is finishedroute is finished

To see the real network performance run, when To see the real network performance run, when people callpeople call

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As Drive Test ToolsAs Drive Test Tools

SCANSCAN

• one of TEMS feature one of TEMS feature • scan all or selected frequencies on the selected spot or routescan all or selected frequencies on the selected spot or route• to find the clearest frequency to find the clearest frequency

Clean Frequency

Application of frequency planApplication of frequency plan• to find the best frequency to be use in the siteto find the best frequency to be use in the site•to identify interference adjacent channel and co channelto identify interference adjacent channel and co channel

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To See How the Network RunsTo See How the Network Runs

THE USETHE USE

In PLANNING works:In PLANNING works:

• Drive Test Before InstallationDrive Test Before InstallationPerform drive test before “our” network implemented.

This data later will be compared with drive test after implementation, to justify.

• Drive Test Before SWAPDrive Test Before SWAPBefore swap (change operator network), drive testing

needed to compare the current network with the network after swap. To justify the new network is better than before.

• Drive Test BenchmarkingDrive Test BenchmarkingDrive test the whole area for the whole active networks,

before ‘our’ network implemented. So when ‘our’ network implemented, can be competed well.

• etcetc

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To See How the Network RunsTo See How the Network Runs

THE USETHE USE

In Implementation Works:

• Drive Test New Site/ Initial Drive TestDrive Test New Site/ Initial Drive TestInitiate the drive test after a site on-air. Make sure that site

perform well after on-air. • Test Call New SiteTest Call New Site

Conducting tests call at a new “On-Air” site, to justify the performance of a site just after “On-Air”.

• Drive Test Upgrade/Expand TRXDrive Test Upgrade/Expand TRXAfter implement new TRX or expand TRX, a drive test

performed to justify that site working well with the new TRX.

• Drive Test SFH/Hopping implementationDrive Test SFH/Hopping implementation After implement SFH/hopping in the network, a drive test

performed to justify that this hopping solution working well with the whole network.

• etcetc

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To See How the Network RunsTo See How the Network RunsTHE USETHE USEIn Optimization works:

• Drive Test Handover/ Add & Delete neighborsDrive Test Handover/ Add & Delete neighborsDrive test conducted after there’s changing in neighbours

database. Make sure the “add” really added and the “delete” really deleted.

• Drive Test before & after DowntiltDrive Test before & after DowntiltDowntilt conducting, to get better coverage from each antenna.

Drive test performed to make sure the better coverage from each angle changed.

• Drive Test Network AuditDrive Test Network AuditPerforming drive test activity to maintain the whole network.

Could be an annual work.

• Drive Test BenchmarkDrive Test Benchmarkperforming drive test to get justification about ‘our’ network. Can compete or not. With comparing the whole network including 'us’ in drive test.

• Drive Test troubleshootingDrive Test troubleshootingDrive test for special troubleshooting case. Such as, a site that

cannot handover from sites surround it, a site that cannot transmit good signal and cannot achieve its coverage.• etc,etc,

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How TEMS works?How TEMS works?

Several measurement is only available and recorded in idle mode (C1,C2 etc)Several measurement is only available and recorded in idle mode (C1,C2 etc)

Several measurement is only available and recorded in dedicated mode (RxQual, SQI, FER etc)Several measurement is only available and recorded in dedicated mode (RxQual, SQI, FER etc)

This is happen because of GSM system network works, not because setting in TEMSThis is happen because of GSM system network works, not because setting in TEMS

There are several option/feature can be activated by user (force handover, lock handover etc) There are several option/feature can be activated by user (force handover, lock handover etc) which change TEMS measurement behaviorwhich change TEMS measurement behavior

IMPORTANT NOTICE :IMPORTANT NOTICE :

In GSM network there are a lot of parameters which change the network behavior, it is make the In GSM network there are a lot of parameters which change the network behavior, it is make the network very flexible.network very flexible.

Due to this reason, TEMS has ability to monitor network with parameters on (FULL mode) and Due to this reason, TEMS has ability to monitor network with parameters on (FULL mode) and with parameters off (SUB mode) for such as RxLev and RxQual.with parameters off (SUB mode) for such as RxLev and RxQual.

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When using FULL measurement result?When using FULL measurement result?

Whenever we want to see BTS parameters settings works at live networkWhenever we want to see BTS parameters settings works at live network

DTX offDTX off

When using SUB measurement result ?When using SUB measurement result ?

Whenever we want to see BTS works without parametersWhenever we want to see BTS works without parameters

DTX onDTX on

How TEMS measure FULL or SUB measurement?How TEMS measure FULL or SUB measurement?

TEMS record both SUB and FULL measurement at the same time and at the same log files, it is TEMS record both SUB and FULL measurement at the same time and at the same log files, it is just need to set what we wan to see in replay mode.just need to set what we wan to see in replay mode.

FULL

SUB

LOG FILE

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To See How the Network RunsTo See How the Network Runs

WHAT TO SEE WHAT TO MEASUREWHAT TO SEE WHAT TO MEASURE

Parameters to See

1. RxLevel1. RxLevelLevel of Received signal strength. In dBm or Steps. If the value in form of step substract 110 to the value to get dBm value.

RxLevel is received power level at MS (maximum RxLevel measured by MS is (±)– 40 dBm

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2. RxQual2. RxQual Received signal quality level, measured base on BER (bit error rate). The value is between 0-7, the lower the better.

Better

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3. SQI3. SQIThe parameter used by TEMS to measure Speech Quality. SQI has been designed to cover all factors that RxQual lack to measure. SQI computation considers the factors:

•the bit error rate (BER)•the frame erasure rate (FER)•data on handover events•statistics on the distribution of these parameters

Better

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4. Others4. Others

• FERFERFrame erasure rate

• BCCH-BSICBCCH-BSIC

• HoppingHoppingSFH

• C/IC/IInterference

• TATATime Advance

• C1C1Path loss criterion parameter

• C2C2Cell reselection criterion parameter in hierarchical cell structure

To See How the Network RunsTo See How the Network Runs

WHAT TO SEE WHAT TO MEASUREWHAT TO SEE WHAT TO MEASURE

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4. Others4. Others

• FER FER Frame erasure rate; See on “Radio Parameter” windows

• ARFCN BCCH-BSIC ARFCN BCCH-BSIC Absolute Radio Frequency Channel Number of Broadcast Control Channel .. Base Station Identity Code

Important data of a site

• Hopping Hopping Indicating if SFH implemented. See on “Current Channel” windows, on ‘hopping channel, hopping frequencies, MAIO, HSN’

• C/IC/I The carrier-over-interference ratio is the ratio between the signal strength of the current serving cell and the signal strength of undesired (interfering) signal components. The C/I measurement function built into TEMS Investigation enables the identification of frequencies that are exposed to particularly high levels of interference, something which comes in useful in the verification and optimization of frequency plans.

• TATA Timing Advance. Valid only in dedicated mode. ; To measure the distance of MS from serving cell. Valid only in dedicated mode. See on “Radio Parameter” windows.

• C1 C1 criteria used for cell selection and cell reselection

• C2 C2 criteria used for cell reselection

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To See How the Network RunsTo See How the Network Runs

CASESCASES

The examples of How Drive Test can see a Network runs.The examples of How Drive Test can see a Network runs.

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To See How the Network RunsTo See How the Network Runs

CASESCASES

1. BTS Down

Get in to the site (whether it’s new or existing), then see on TEMS display, Get in to the site (whether it’s new or existing), then see on TEMS display, At parameters BCCH, BSIC. If the intended site’s BCCH doesn’t appear, the site is At parameters BCCH, BSIC. If the intended site’s BCCH doesn’t appear, the site is DownDown

If we don’t have the site data. We can go the exact position of the site, near/under the antenna.If we don’t have the site data. We can go the exact position of the site, near/under the antenna.Then see if on the serving cell, the Rxlev is good ( above -60 dBm)Then see if on the serving cell, the Rxlev is good ( above -60 dBm)

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To See How the Network RunsTo See How the Network Runs

CASESCASES

2. Handover

We need to check the handover between sector1 of Site A to sector3 of Site B.We need to check the handover between sector1 of Site A to sector3 of Site B.We start at the Site A. Check the parameters on TEMS. Make sure the serving cell nowWe start at the Site A. Check the parameters on TEMS. Make sure the serving cell nowIs from the sector1 of site A. See the neighbour, if the sector3 of site B appear.Is from the sector1 of site A. See the neighbour, if the sector3 of site B appear.Start the drive test, with dedicated mode, to site B sector3 (specified the route first). Start the drive test, with dedicated mode, to site B sector3 (specified the route first). The handover should be occur along this drive test. If it’s not, note this as a problem.The handover should be occur along this drive test. If it’s not, note this as a problem.See any possibility of the problem, such as:See any possibility of the problem, such as:• the neighbour not appear, possibility haven’t been createdthe neighbour not appear, possibility haven’t been created• there’s other site betweenthere’s other site between• there’s obstaclethere’s obstacleThen do the opposite, start from sector3 Site B to sector1 Site A.Then do the opposite, start from sector3 Site B to sector1 Site A.

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To See How the Network RunsTo See How the Network Runs

CASESCASES3. Swap Feeder

There’s a possibility that we have bad installation, for example swap feeder.There’s a possibility that we have bad installation, for example swap feeder.Swap feeder occur when the installation switch by mistake, for example the feeder to sector1Swap feeder occur when the installation switch by mistake, for example the feeder to sector1Became to sector 2, from BTS.Became to sector 2, from BTS.We can see this from drive test.We can see this from drive test.For example, we have a site with 2 sectors, with a road in front it, to be covered.For example, we have a site with 2 sectors, with a road in front it, to be covered.We should have the data of this site, such as the BCCH of each sectors. We should have the data of this site, such as the BCCH of each sectors. We start the drive test from sector 1 to sector 2. While we’re on sector1 coverage, see if the We start the drive test from sector 1 to sector 2. While we’re on sector1 coverage, see if the BCCH of serving cell is the correct one, according to the data we have.BCCH of serving cell is the correct one, according to the data we have.And do the opposite from sector 2 coverage to sector1And do the opposite from sector 2 coverage to sector1

sect1sect1

sect2sect2

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To See How the Network RunsTo See How the Network Runs

CASESCASES

4. Overshoot

When we get the signal from the site that not close to the current area drive test.When we get the signal from the site that not close to the current area drive test.Usually we get bad RxQual and long/bigger TA.Usually we get bad RxQual and long/bigger TA.We can suspect this as a overshoot case. This case happen when a site/cell is serving farWe can suspect this as a overshoot case. This case happen when a site/cell is serving faraway from its area.away from its area.

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GuidelinesGuidelines

Drive Test Types

1. Drive Test Continuous Route

Drive Test is walk/ drive along the route non stop

2. Hot Spots Measurement

Drive Test only at certain spot (usually critical point), TEMS standing still, no movement for 1-5 minutes but still recording.

Usually for scanning frequency or to investigate more detailed network behaviour

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GuidelinesGuidelines

Drive Test Guideline

1. PreparationDon’t go to the field without a good preparation. Prepare the tools completeness, maps, cars, scenarios, sites data, knowing area we are heading to.

2. Check ToolsBeside checking the tools completeness. Also check each tools if it’s working well, such as the GPS, inverter, handset, including SIM card.

3. Some Rules- Avoid to have the same route twice, or go on the same road twice. - Beware of certain area, such as restricted area, one way street, traffic jam streets.- Create simple/effective way of scenarios, where to start until finishing the route.- Good cooperation with driver.- Make sure the roads on the route, can represent the whole network as samples.

4. Pay AttentionEven if we’re only collecting data, we must focus on our activity. Avoid the things that can make us re-drive test , such as, data cable unplugged from its MS, forget to turn-off the GPRS mode when we don’t need GPRS to measure, run out GPS batteries, forget to record, forget the purpose of the drive test, assure the data collected is right, pay attention of car speed, create notes for special events, etc.

5. Reporting and AnalysisTEMS can divided as two, data collection and analysis. After drive test on the field, we must provide data to be analyze and reported. Make sure we can create a good report and analyze well, by performing all of the points above.

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PlotPlot

Reporting Guidelines

1. Drive test report basically can be divided as two: Plot and Statistic.

BCCH: 59

logfile floor RxLevel Average % RxQual Data

= 0

BRI1 1 -65.12706271 93%

BRI2 2 -58.26292629 98%

BRI3 3 -57.53480663 87%

GuidelinesGuidelines

StatisticsStatistics

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2. Before we can create the report, make sure we have the right standard for each value reported. Such as how many ranges the treshold of RxLevel, and RxQual. The color ranges of SQI and FER, etc.

3. Export the right data for Plotting. To create Plot report, for example we need the logfile to be mapinfo files. Make sure we have TEMS 4 above, that can directly export the logfile into mapinfo file. Or, if we have TEMS 3 below, make sure we have third-party software that can create it, such as GIMS.

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4. For statistic report, usually we only need the excel file and some of mapinfo data. Each version of TEMS investigation can export the logfile into text file, *.fmt. This format can open , and manage with Microsoft Excel.

5. Following the standard report of the customers.

Ms id TIME FRAME POSITION MESSAGE TYPE HEXADECIMAL STRING

LAT LON

MS1 15:41.7 2609056 S 0000.0240 E 00000.0314PAGING REQUEST TYPE 1 0F 0F 25 06 21 00 05 F4 30 A2 DB CC 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B

MS1 15:43.1 2609362 S 0000.0240 E 00000.0318PAGING REQUEST TYPE 1 0F 0F 15 06 21 00 01 F0 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B

MS1 15:44.5 2609668 S 0000.0240 E 00000.0319PAGING REQUEST TYPE 3 0F 0F 4D 06 24 00 30 C3 AC 76 30 C2 33 8E 30 C3 0F AF 30 C3 16 3E 83 2B 2B

MS1 15:45.9 2609975 S 0000.0240 E 00000.0322PAGING REQUEST TYPE 1 0F 0F 41 06 21 00 05 F4 30 C3 9B 1A 17 05 F4 30 C3 AD 45 2B 2B 2B 2B 2B 2B

MS1 15:46.1 2610013 S 0000.0239 E 00000.0322 IDLE MODE REPORT 0E CF E2 00 0C D0 56 10 4D DA 0F CB D7 10 09 DA 0E 88 00 0F 46 80

MS1 15:47.3 2610281 S 0000.0239 E 00000.0327PAGING REQUEST TYPE 1 0F 0F 25 06 21 00 05 F4 30 C2 D0 1B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B

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Layer 3 MessagesLayer 3 Messages

-To Monitor the event and signaling sent and received by Phone- List Messages of event and signaling

-Often use in analysis, after Drive Test completed

-Replay the logfile, click a point on the route marker on map window, then see on layer 3 messages windows,detailed information on theassociated messages appears in this window

-Can double-click each list message from that window to open a new window displaying the full contents of the message.

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Scanning Function inside TEMSScanning Function inside TEMS

TEMS Investigation supports scanning of radio frequency carriers (channels), using either a ordinary TEMS mobile station or a dedicated frequency scanner mobile, the TEMS Scanner.

Scanning is handled from the Frequency Scanner window, and here the output of the scan is displayed, too

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BCCH BSIC Average Rx Level (dBm)

51 35 -104

52 - -115

53 26 -110

54 - -114

55 - -105

56 - -115

57 26 -111

58 - -114

59 - -115

60 - -115

61 - -111

62 - -113

63 - -115

64 - -115

65 - -115

66 15 -110

67 - -114

68 - -114

69 - -114

70 - -114

Scanning Function inside TEMSScanning Function inside TEMS

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Scanning Function inside TEMSScanning Function inside TEMS

Procedure:Procedure:

• Selecting ChannelsIn the Frequency Scanner window, choose the unit to use as scanner in the combo box. Click the Measurement Settings button. The channel selection is handled from the Scanned channels tab:

Checking "Decode BSIC" causes the Base Station Identity Code to be decoded. It will be shown in the table to the right in the Frequency Scanner window

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Performing Scan

• Presenting Scan

Scanning Function inside TEMSScanning Function inside TEMS

To start scanning, click the Start Scanning button. While the scanning is going on, the status bar shows the padlock symbol , indicating that the scanner is busy. To stop scanning, click the Stop Scanning button.

Bar Chart Line Chart Table

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• After Process / Report

Scanning Function inside TEMSScanning Function inside TEMS

• Plot

• Spreedsheet

Directly capture Export to Mapinfo

Export to text (.fmt), open and process with Excel spreedsheet

BCCH BSIC Average Rx Level (dBm)

51 35 -104

52 - -115

53 26 -110

54 - -114

55 - -105

56 - -115

57 26 -111

58 - -114

59 - -115

60 - -115

61 - -111

62 - -113

63 - -115

64 - -115

65 - -115

66 15 -110

67 - -114

68 - -114

69 - -114

70 - -114

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Life time MS measurement equipment maximum 1 year, if more than 1 year need to be re-Life time MS measurement equipment maximum 1 year, if more than 1 year need to be re-calibratecalibrate

Calibration MS’s cost almost the same price buy a new oneCalibration MS’s cost almost the same price buy a new one Ericsson only support 2 version below for re-calibrate (eq : latest version is TEMS 7.0, means Ericsson only support 2 version below for re-calibrate (eq : latest version is TEMS 7.0, means

only can re-calibrate handset at version 5)only can re-calibrate handset at version 5) If MS not calibrated or buy a new one, it will impact into the measurement (such as RxLevel and If MS not calibrated or buy a new one, it will impact into the measurement (such as RxLevel and

RxQual) will reduced and not valid => KPI will not achivedRxQual) will reduced and not valid => KPI will not achived TEMS always have bugs (even latest version) both coming from software or from type MS itself, TEMS always have bugs (even latest version) both coming from software or from type MS itself,

need knowledge to anticipated it (such as wrong RxLevel recorded)need knowledge to anticipated it (such as wrong RxLevel recorded)

HINTS for MS:HINTS for MS:

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•PC which use for TEMS PC which use for TEMS should turn off any usage of should turn off any usage of COM, IR, bluetooth, Wi-Fi, COM, IR, bluetooth, Wi-Fi, any accessories attached at any accessories attached at PC should be turn off, set PC PC should be turn off, set PC into “Maximum Performance” into “Maximum Performance” at Control Panel-System at Control Panel-System

•Slow PC, low memory, low Slow PC, low memory, low HD capacity will make MS HD capacity will make MS disconnected suddenly when disconnected suddenly when TEMS use for a long time, TEMS use for a long time, same things happened if the same things happened if the battery of PC/laptop is too hotbattery of PC/laptop is too hot

•Turn off power saving feature Turn off power saving feature in the laptop/PCin the laptop/PC

•Turn off screen saverTurn off screen saver

•It would be better drive test It would be better drive test laptop is only for do drive test laptop is only for do drive test not for daily routinenot for daily routine

HINTS for PC/Laptop:HINTS for PC/Laptop:

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Make sure all connections cable at TEMS system is tight, as well external antennaMake sure all connections cable at TEMS system is tight, as well external antenna For indoor drive test, MS position is very crucial because some MS location can increase body For indoor drive test, MS position is very crucial because some MS location can increase body

loss or other losses (such as MS put behind laptop or put MS near body)loss or other losses (such as MS put behind laptop or put MS near body) Avoid doing drive test at busy hour especially will increase loss (eq : a lot of people in the mall will Avoid doing drive test at busy hour especially will increase loss (eq : a lot of people in the mall will

increase body loss, a lot of car in the basement, traffic jam)increase body loss, a lot of car in the basement, traffic jam)

For 3G drive test, more user using 3G will reduce quality, do drive test at low traffic is essentialFor 3G drive test, more user using 3G will reduce quality, do drive test at low traffic is essential Drive test indoor need constant speed walk test (idle mode slower than dedicated mode)Drive test indoor need constant speed walk test (idle mode slower than dedicated mode) Drive test outdoor should be constant and not to fast ( max 40 km/h inner city and max 60 km/h Drive test outdoor should be constant and not to fast ( max 40 km/h inner city and max 60 km/h

outer city)outer city) Drive test recorded more than once at the same route (if possible) because it always given result Drive test recorded more than once at the same route (if possible) because it always given result

slightly different. Take the best one as a reportslightly different. Take the best one as a report Result Drive Test route for outdoor drive test should be ignored when drive test route inside Result Drive Test route for outdoor drive test should be ignored when drive test route inside

tunnel, on top of fly over road, below fly over road, bridge. Pay attention that GPS can’t work well tunnel, on top of fly over road, below fly over road, bridge. Pay attention that GPS can’t work well if no LOS into the skyif no LOS into the sky

HINTS for Drive Test:HINTS for Drive Test:

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ReferenceReference

Ericsson.com/temsEricsson.com/tems Michael Pipikakis, Michael Pipikakis, Evaluating and Improving The Quality of Service of Second

Generation Cellular System, September,2004 TEMS Investigation 4.0 ManualTEMS Investigation 4.0 Manual TEMS Investigation 2.03 ManualTEMS Investigation 2.03 Manual TEMS Investigation 7.0 Product DescriptionTEMS Investigation 7.0 Product Description

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