genex assistant customer training slide

8/11/2019 GENEX Assistant Customer Training Slide

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www.huawei.com Huawei confidential, 2010-07-151

Huawei GENEX Series

GENEX Assistant V300R003 Main Slides


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Features: Supporting the analysis of WCDMA data, HSPA

data, and HSPA+ data collected by the Probe,

the analysis of WCDMA data and GSM data

collected by the PHU, the analysis of GSM data,

GPRS data, and EDGE data collected by the

Probe and TEMS (8.0 or earlier versions).

Supporting the analysis of the following themes:

GSM: over coverage, poor coverage, azimuth

garbled, no serving cell dominance analysis.

WCDMA: over coverage, downlink interference,

no serving cell dominance, pilot pollution, and

neighboring cell analysis.

Providing multiple data processing mechanisms,

such as binning, filtering query, and data

combination.

Providing the capability to explicitly display data

on the Google Earth and providing the detailed

data for locating problems.

Providing various reports, such as the single siteverification report, benchmark report, and other

reports based on common application scenarios.

Supporting the functions of customizing reports,

KPIs, IEs, and combination query.

Supporting the capability to process mass data

in an efficient way.

Overview

As the data post-processing software designed for drive test (DT), that is, air interface test, the Assistant

enables engineers to effectively and accurately analyze data, learn the network performance, locate

network problems, and export the results.


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Application Scenario

Single site

verification

Clu

ster

N

Radio network

adjustment

Radio network

performance

enhancement

Radio network

maintenance

The Assistant V300R003 can be widely applied in the following scenarios:

Network deployment: analysis of DT data during the single-site verification, cluster optimization, and

entire network acceptance.

Network swapping: analysis of DT data during the network swapping and generation of benchmark

reports.

Network optimization: analysis of DT data during the radio network performance enhancement. Network maintenance: periodic analysis of DT data during the radio network maintenance.


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Operation Procedure

Create a project

Set the projecttemplate

Import the BTSconfigurationinformation

Import a map

Create ananalysis group

Add DT logfiles

Run analysis

View KPIsDrill downindicators

View IEs Generate reportsGenerate singlesite verification

reports

Generatebenchmark

reports

Perform themeanalysis

Analysis Group



Project Creation

You can select either of the

following modes when creating

a project:

Traditional (Recommend): In

this mode, all the features of

the Assistant V300R003 are

supported, but only a

maximum of 10 GB DT data in

a project can be processed.

Quick: In this mode, theAssistant can quickly provide

the analysis results of KPIs,

IEs, and events specified by

users and generate reports. In

addition, the capability to

process the DT data in a

project is not limited. However,

the Assistant does not providethe functions of combination

query, global IE viewing, and

generation of reports for

further analysis.



Supporting MOS analysis reports

Supporting HSDPA crossing tables

Analyzing HSDPA dual-carrier data

Controlling the engineering parameter

display

Analyzing the data collected from the

GSM DTI Scanner

Editing and viewing custom IEs

Showing DT directions andconnections between areas on DT

routes on maps

Supporting common delay analysis

functions

Displaying the statistical indicators

related to FTP, WAP, Ping, and HTTP

New Features of the Assistant V300R003C01

The Assistant V300R003C01 is developed on the basis of the Assistant V300R003C00 and has the

following new features:



8

Project Configuration Management

KPI selection: Select the KPIs to beanalyzed. In addition, you can set thresholds

for KPIs. The KPI values that do not meet the

KPI thresholds are displayed in red in the KPI

analysis results.

The configuration of the preceding information can be imported to the project template or exported as

.xml files for future use.

The settings in the project template are effective for all the analysis groups in the project.

After a project is created, perform the

following operations in the project

template:

Binning setting: Set Binning Typeto

Distance Binningor No Binning.

Setting of theme parameters: Set the theme

thresholds for the theme analysis.

IE selection: Select the IEs to be analyzed.

Setting of filtering conditions: Set the time

filtering conditions and IE filtering conditions to

obtain the required data.

Site display setting: Set the shape, size, andlabel for cells and base stations.



9

Data Import

The data import of the Assistant is

largely different from the data import

of the Assistant V1 and the data

import of the Assistant V2.On the Assistant V300R003, open

the Logfile Managerdialog box, and

then select DT logfiles to create an

analysis group. After that, right-click

the analysis group, and then choose

Run Analysisfrom the shortcut

menu to analyze all the DT logfiles of

the analysis group (this process

takes a long time). Finally, the

Assistant displays the analysis

results based on the created

analysis group (quickly performs

further analysis).

Note: Auto Combinein the Logfile Managerdialog box means that

the data automatically sliced by the Probe can be automatically

combined. In the Assistant V2, DT logfiles are combined by MS ID.



10

Analysis Group Management

Note: An analysis group is a

set of data. You can create an

analysis group that contains

data of different terminalsaccording to the service

requirements. In addition, you

can create an analysis group

by MS ID, device type, IMSI,

or IMEI.

Operation: Right-click theAnalysis Groupnode, and

then choose Analysis Group

Managerfrom the shortcut

menu. In the Analysis Group

Managerdialog box, click

Addto create analysis

groups and set reports for the

analysis groups.Example:

1. To collect the statistics of the KPIs related to different services, group the data of terminals that process various services into one

analysis group.

2. To view indicators by service, create analysis groups for different test plans by MS ID. For example, assign one MS ID to the E1820

terminal that processes data services and assign one MS ID to the scanner.


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Engineering Parameter Management

Choose Site> WCDMA(or GSM) from thenavigation tree on the Projecttab page.

Right-click WCDMAor GSMand then chooseView Engineering Parameterfrom the shortcutmenu. In the displayed window, click Import the

BTS Informationicon to import data.

Note:

1. The required fields in the GSM engineering parameters are LAC, CI,

Longitude,Latitude, Azimuth, and BCCHNo. The required fields in the

WCDMA engineering parameters are Cell ID, UARFCN, PSC, Longitude,

Latitude, and Azimuth. Other fields are optional fields. If required fields are notimported, engineering parameters fail to be imported successfully. If the value of

the required field in a certain row is invalid, the data in this row will be discarded

and is not imported. This does not affect the import of data in other rows. If the

value of the optional field in a certain row is invalid, the data in this row will be

considered as null. This does not affect the import of data in other rows.

2. Before importing engineering parameters, you must check the sheet where the

engineering parameters are present, and then select the corresponding sheet.

3. If the table header in the engineering parameter table in the Assistant is the

same as that in the engineering parameter table to be imported, the fields can be

matched automatically. Otherwise, the fields need to be manually matched.

4. After engineering parameters are imported to the Assistant, the errors occurred

during the import are exported as a .csv file. You can open this file to view the

errors in engineering parameters.


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Engineering Parameter Display

Method 1:

Choose Project

Setting> SitesDisplay. On the Sites

Displaytab page, set

Shape, Size, Label

Field, and Visible in

Reportfor cells and

BTSs. The settings are

applicable to all maps

involved in the project.

Rendering afterLabel Fieldis set to

NodeBName+CellID

+PSC.

Rendering afterLabel Fieldis set to

SiteName+BCCH+

BSICin the GSMnetwork

Method 2:

On the engineering

parameter layer, click

edit Cell Labelto set

labels for cells. The

settings are applicable

only to the current map.


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Cell Radius Calculation

Procedure:

In the GSM Engineering Parameterdialog box or

WCDMA Engineering Parameterdialog box, click the

Calculate Cell Radiusicon to calculate the cell radius.

Note that the fields, such as Azimuth, NodeBID,Longitude, and Latitude, are required fields when you

calculate the cell radius. If these fields are empty, the cell

radius cannot be calculated.

The principle for calculating the cell radius is as follows:

According to the azimuth and beamwidth of a cell, the

Assistant calculates the distance between the cell and

other base stations within cell coverage, and then obtains

a weighted value that is used as the cell radius. The

calculated cell radius is considered as the basis for

determining the over coverage problem. Note that theindoor cell does not need to calculate the cell radius, but

you must fill the related information in the CellTypefield in

engineering parameters. Otherwise, indoor cells are

considered as macro cells by default.

The cell radius is displayed, as shown in the chart in the

lower left corner of this slide. You can determine

whether to display the cell radius through the layer. The

length of a line indicates the radius of a cell. You candouble-click a line to modify the cell radius.

Note: Before the theme analysis is performed, cell radius must

be calculated.


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Viewing Theme Results

Note:

The theme analysis involves displaying theme results, displaying the detailed information about the theme

results, and displaying the theme results on a map.

The preceding chart shows the Theme Result Viewdialog box. The features of the Theme Result Viewdialog box are as follows:

1. The results of the themes, such as over-coverage rate, are displayed by cell.

2. All the theme results displayed in the Theme ResultViewdialog boxcan be exported.

3. The sorting of theme analysis results are supported. If the analysis results of a theme are sorted,

problem cells can be quickly located. After that, you can perform the drilldown analysis. In addition, the

filtering query is supported.

4. In the theme results shown in the preceding figure, the numerator indicates the number of problem DT

points and the denominator indicates the total number of DT points in the serving cell, the division result isthe theme result.


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Viewing Theme Detailed Information and Related Information

Note:

The Theme Detaildialog box is used for

displaying the statistical results of cells and

the related information of a certain DT point.You can click different tabs to view the

detailed information about different themes.

1. Chart: indicates the statistical chart based

on the distance step. You can set different

steps for different themes. The green bar

indicates the total number of DT points that

server as the serving cell within the

corresponding distance range. The red barindicates the number of problem DT points.

2. Statistical Resultarea: lists the total

number of DT points, the number of problem

DT points, and the statistical percentage of

each theme.

3. Synchronous display of neighboring cell

parameters: The neighboring cell parameters

are displayed synchronously in the ThemeDetaildialog box.

Vi i Th R lt M


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Viewing Theme Results on a Map

Click a DT point in the map window shown in the preceding figure. DT points are connected to the active set

cells through solid lines, whereas DT points are connected to the monitor set cells or detected set cellsthrough broken lines. In addition, you can view the information about the active set, monitor set, and detected

set in the synchronously displayed window. The red circle in the preceding figure indicates the cell coverage

and the horizontal beamwidth. The chart in slide 13 is a statistical chart that shows the number of DT points in

different steps, including the number of DT points where the over coverage problem occurs and the number

of normal DT points.

Note:In the left figure, the DT points in red

indicate the DT points where the over

coverage problem occurs. The DT

points in green indicate the normal DT

points, that is, the over coverageproblem does not occur. The DT points

in gray indicate that this area is not

covered by the serving cell. The DT

points in red and green indicate the DT

points within the coverage of serving

cell whose analysis results are drill

down.

You can view the number of DT points

where the over coverage problem

occurs and the number of normal DT

points based on the legends on the

right pane. The legends on the right

pane indicate the meanings of DT

points in different themes.

WCDMA O C


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WCDMA Over Coverage

Note:

Over coverage refers to that the coverage areas of certain

NodeBs exceed the planned range and incontinuous dominant

areas are formed in the coverage areas of other NodeBs. The

Assistant calculates the cell radius based on engineeringparameters. If a DT point is not within the area specified by the

cell radius thresholdand the difference between the RSCP of the

serving cell and the maximum RSCP of a neighboring cell is lower

than the value of the configuration parameter, this DT point is

considered as the DT point where the over coverage problem

occurs. In addition, the Assistant supports the analysis of data

collected by UEs or scanners.

Description of configuration parameters

Alarm Threshold: indicates the over coverage alarm threshold.

Over Coverage Rate(%) = Over Coverage Count/Total Count

If the value of Over Coverage Rateis higher than Alarm Threshold, the analysis

results are displayed in red in the Theme Result Viewwindow after the theme

analysis is performed.

Coverage Extended Radius: indicates the cell radius extended parameter factor.

Cell coverage distance threshold = Cell radius x Coverage Extended Radius

RSCP Offset: indicates the RSCP offset. When the difference between the

maximum RSCP of a DT point and the maximum RSCP of a neighboring cell islower than RSCP Offsetand is higher than the cell coverage distance threshold,

this DT point is considered as the DT point where the over coverage problem

occurs.

Distance Step: indicates the distance step. Based on the distance step, the

Assistant counts the number of DT points where the over coverage problem occurs

and the total numbers of DT points.

WCDMA N S i C ll D i


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WCDMA No Serving Cell DominanceNote:

No serving cell dominance refers to that no serving cell is available in the coverage area or calls in

the serving cell in the coverage area are frequently handed over. In this case, frequent handovers

may occur, and therefore the system efficiency is reduced and call drops occur. The Assistant

determines the DT points where the problem of no serving cell dominance occurs according to the

difference between the RSCP of the serving cell and the RSCP of the neighboring cell (collected by

UEs or scanners). If the difference between the RSCP of the serving cell and the RSCP of the

neighboring cell is smaller than the specified threshold, the DT points within the coverage area areconsidered as the DT points where the problem of no serving cell dominance occurs. Alternatively,

the Assistant determines the problem of no serving cell dominance according to the events related to

frequent handovers. If the number of handover events within the specified time exceeds the related

threshold, the DT points measured within the specified time are considered as the DT points where

the problem of no serving cell dominance occurs.


Alarm Threshold: indicates the alarm threshold of no serving cell dominance.

Analysis Mode: indicates the analysis mode. The analysis mode is categorized into the analysis

based on RSCP and the analysis based on events related to frequent handovers.

Analysis based onRSCP

RSCP Threshold: indicates the RSCP threshold of the serving cell.The RSCP threshold of the distance ranging from 0 to 1 km is -95. The RSCP threshold of the

distance more than 1 km is -100.

For the distance within 5 km, each 500 m is considered as one segment. The distance over 5

km is considered as one segment. Therefore, the total number of segment within the total

distance is 11.

RSCP Threshold: indicates the RSCP difference threshold, that is, the difference threshold

between the RSCP of the serving cell and the RSCP of the neighboring cell. If the difference

between the RSCP of the serving cell and the RSCP of the neighboring cell is less than

RSCP Threshold, the DT point is considered as the DT point where the problem of no

serving cell dominance occurs. The default value of RSCP Thresholdis 5 dBm.

NB Count Threshold: indicates the number of neighboring cells. The number of neighboring cell

that is smaller than or equal to NB Count Thresholdis valid.

Analysis based on

events related to

frequent

handovers

Interval Time: indicates the interval between handover events.

Cell coverage distance threshold = Cell radius x Interval Time

HO Event Count: indicates the threshold number of handover events. If the total number of 1D

events and cell reselection events that occur within Interval Timeis the same as HO Event

Count, it indicates that frequent handovers occur.

Distance Step: indicates the distance step. Based on the distance step, the Assistant counts

the number of DT points where the problem of no serving cell dominance occurs and the total

number of DT points.

WCDMA Downlink Interference


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WCDMA Downlink Interference

Note:

Downlink interference refers to that the interference signals generated by the

interference source are on the downlink frequency band in the mobile network.

After receiving interference signals, the UE cannot distinguish NodeB signals

from interference signals, and therefore the communication between the UE

and the NodeB is disrupted. As a result, call drops occur. Based on the parseddata of UEs or scanners,the Assistant determines the Ec/Io and RSCP of the

serving cell. If the receive level is high and the service of quality (QoS) is low,

it is considered that the downlink interference problem occurs.


Alarm Threshold: indicates the downlink interference alarm threshold.

DL Interference Rate (%) = DL Interference Count/Total Count

If DL Interference Rateis higher than Alarm Threshold, the analysis results are displayed in

red in the Theme Result Viewwindow after the theme analysis is performed.

RSCP Threshold[0,500*N): indicates the RSCP threshold of the serving cell within thedistance ranging from 0 to 500*N. If the RSCP of the DT point is higher than RSCP

Threshold[0,500*N), it indicates that the RSCP of the DT point is good.

Ec/Io Threshold: indicates the signal quality threshold. If the Ec/Io of the DT point is higher

than Ec/Io Threshold, it indicates that the receive quality of the DT point is good.

Distance Step: indicates the distance step. Based on the distance step, the Assistant counts

the number of DT points where the downlink interference problem occurs and the total number

of DT points within the coverage area.


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WCDMA Intra-Frequency/Inter-Frequency Neighboring Cell Analysis

Note:

The Assistant supports the analysis of missing intra-frequency neighboring cells and

analysis of missing inter-frequency neighboring cells. The Assistant automatically

determines the mapping between the serving cell of the DT point and neighboring cells

of the DT point, and compares the determined result with the imported neighboring cell

data to filter out missing neighboring cells. The data collected by scanners can be usedfor the analysis of missing intra-f requency neighboring cells and the analysis of

missing inter-frequency neighboring cells. Before analysis, import the data of

configured neighboring cells.


Analysis of

missing intra-

frequency

neighboring cells

Ec/Io Difference Threshold: indicates the Ec/Io difference threshold. If the

difference between the Ec/Io of the serving cell and the Ec/Io of the

neighboring cell is lower than Ec/Io Difference Threshold, the decision of

missing intra-frequency neighboring cell can be performed. The default

value of Ec/Io Difference Thresholdis 3 dB.

Analysis of

missing inter-

frequency

neighboring cells

Serving Cell RSCP Threshold: indicates the signal quality threshold. If the

RSCP of the serving cell is greater than Serving Cell RSCP Threshold, the

decision of missing inter-frequency neighboring cell can be performed. The

default value of Serving Cell RSCP Thresholdis -105 dBm.

Neighbor Cell RSCP Threshold: indicates the RSCP threshold of inter-

frequency neighboring cell. If the RSCP of the inter-frequency neighboring

cell is higher than Neighbor Cell RSCP Threshold, further analysis can be

performed. The default value of Neighbor Cell RSCP Thresholdis -90

dBm.

Neighbor Cell Ec/I0 Threshold: indicates the Ec/Io threshold of the inter-

frequency neighboring cell. If the Ec/Io threshold of the inter-frequencyneighboring cell is greater than Neighbor Cell Ec/Io Threshold, further

analysis can be performed. The default value of Neighbor Cell Ec/Io

Thresholdis -12 dB.

If one of the preceding conditions is met, the measured cell is considered as

the missing inter-frequency neighboring cell of the serving cell.

WCDMA Pilot Pollution


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WCDMA Pilot Pollution

Note:

Pilot pollution refers to that there are too many strong pilots, but no pilot is

strong enough to be the primary pilot at a point. Based on the analysis of

DT data collected by UEs or scanners, the Assistant determines whether

the measured cell is the neighboring cell of the serving cell and identifies

the DT points where the pilot pollution problem occurs.

Formula:

The DT points where the pilot pollution problem occurs must meet the

following conditions:

Pilot pollution signal of the active set {NB Cell Count}

Total pilot signal strength {RSCP Threshold}

Difference between the strongest pilot signal and any other pilot signals New

Projectto create a project. Then, choose

File> Project Setting. In the Project

Settingdialog box, click the Filtertab to

set the filtering conditions.

Note: You can set the filtering conditions inthe Project Settingdialog box. The filtered

data is not imported into the Assistant so

that the import performance is improved.

As shown in the figure in the upper left

corner of this slide, you can set the filtering

conditions to filter out the indicators that do

not meet the filtering conditions and import

the indicators that meet the filtering

conditions.

Combination query: After data is imported,

create an analysis group. Then, click the

Querynode in the IE navigation tree of the

created analysis group. Right-click the Query

node and choose Query Wizardfrom the

shortcut menu. Then, set query conditions in

the Query Condition Settingdialog box.

Note: In the case that data is saved in the

database, you can set the query conditionsto view required indicators that meet the

query conditions from the database, as

shown in the figure in the lower left corner of

this slide.

Automatic Generation of Single Site Verification Reports


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Choose Analysis> Generate Single Site

Report. In the Generate Single Site

Verification Reportdialog box, specify the

analysis group and type site ID and site name,

and then click OKto generate a single site

verification report in .doc format. The single site

verification report contains the information about

the coverage of each sector and KPI statistics.The function of automatically generating single

site verification reports greatly reduces the time

for manually drafting reports during the network

delivery.

Note: Currently, the charts in WCDMA single site

verification reports show the statistical results or

analysis results of the data collected by

scanners.

Note: Single site verification is necessary at the early stage

of network deployment. The Assistant can automatically

generate single site verification reports according to the

data of a single site. This greatly reduces the time for

generating reports and improves work efficiency.

Benchmark Reports


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Procedure:

1. Import data.

2. Create an analysis group.

3. Choose Analysis> Generate Benchmark

Report.

Note:

Based on benchmark reports, KPIs and

indicators of multiple analysis groups can be

compared. This helps users learn the

network competition status of a city and

know the difference in KPIs and indicators

before and after network optimization. Inaddition, a comparison report can be

generated for users to check whether

expected results are obtained.

Benchmark reports are in .doc format and

the contents in benchmark reports can be

customized. By default, the Assistant

provides the following templates: GSM CS

Benchmark Template, GSM PS benchmark

Template, WCDMA CS Benchmark

Template, and WCDMA PS benchmarkTemplate. For details, see the figure in the

lower left corner of this slide.


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MOS Reports


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Procedure:

1. Create a project.

2. Import the MOS data.

3. Create an analysis group.

4. Right-click the analysis group, and

then choose MOS Statistic

Reportfrom the shortcut menu.

Note:

The MOS reports that are

generated during the MOS test are

used to analyze the relationshipbetween the MOS and the voice

coding mode. The MOS reports

collect statistics on the percentage

of each MOS segment sampling

point and the percentage of the

coding mode on each MOS

segment. This helps users learn

about the relationship between the

MOS segment and voice codingmode.

Custom Reports (1)


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Function Description: The Assistant supports custom reports in .doc format. Custom reports contain tables, maps, and charts.

Tables list all the KPIs, including custom KPIs, in the Assistant; Maps and charts show all the IEs, including custom IEs, in the

Assistant. The Assistant provides the following predefined templates: (1) GSM CS Template; (2) GSM PS Template; (3)

WCDMA CS Template; (4) WCDMA PS Report Template.

Procedure:

1. Choose Tools> Custom Report.

2. Right-click a template on the Templatetab

page and choose Add from the shortcut menu.

3. Select the created template on the Template

tab page. Then, click the Elementtab to addelements, such as tables, texts, charts, and

maps. For details, see the next slide.

Note:

1. The Assistant provides the function of importing

or exporting report templates for future use.

2. The Assistant provides the function of sorting

report elements so that reports are exported on

the basis of the sort results of tables, texts,

charts, and maps.


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Custom KPIs


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Procedure:

Choose Tools> Custom KPI.

Function Description:

(1) The Assistant enables users to add customKPIs. The KPIs in the Assistant are

categorized into the following types: Counting

KPIs and calculation KPIs. Counting KPIs are

common KPIs, which need not be calculated

through certain formulas. Calculation KPIs,

however, need to be calculated through certain

formulas. For example, to calculate the

calculation KPI Call Setup Delay Time Avg,

you must calculate this KPI through the

following formula:

Call Setup Delay Time Avg=Call Setup Delay

Time/Call Counter

Here, Call Setup Delay Timeand Call

Counterare counting KPIs.

(2) The Assistant provides predefined KPIs. The

threshold parameters related to thesepredefined KPIs can be modified.

Custom IEs


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Procedure:

1. Import data.

2. Create an analysis

group.

3. In the IE tree, choose

Custom> IE.

Note:

The Assistant provides

common IEs such as

poor coverage,

downlink interference,

island, and pilotpollution. You can

create IEs by

specifying certain

conditions based on

the provided IEs. The

created IEs are called

custom IEs. In

addition, you cancustomize IE

thresholds. This helps

satisfy the

requirements of field

engineers.

Automatic Import


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Procedure:

1. Create a project.

2. Choose File> Automatic Project Setting.

3. Set parameters in the Automatic AnalysisSettingdialog box.

Setting Description:

The automatic import can be operated in either

of the following modes:

(1) Time mode (automatic periodic import): This

mode is mainly applied in the automatic DT

scenario. In this mode, data is uploaded to a

specific directory or a sub-directory on the

server for automatic DT in real time. As shownin the figure in the upper left corner of this slide,

you can set Modeto Time mode, and set

timesand Monitor path.

(2) Text mode (automatic import triggered by

ok.txt): This mode is mainly applied in network

optimization scenario. In this mode, DT

engineers perform DT tests, analysis engineers

save data in the specified directory for analysis.

After a DT test is complete, analysis engineers

place ok.txtin the directory, then the serverautomatically triggers the data import into the

Assistant. This reduces the time for data

import.

Exporting Data as .kml Files


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Procedure:

Choose Tools> Export Logfile.

Description:

(1) Export indicators in DT logfiles as

.csv files for viewing, collecting the

statistics of, and analyzing

indicators.

(2) Export indicators in DT logfiles as

.kml files for analysis on the Google

Earth. You can view these indicators

on the Google Earth.

Case (1): Creating an Analysis Group


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Create an

analysis group by

device type

Create an

analysis group by

MS ID

Create an

analysis group by

IMSI

Create an

analysis group by

IMEI

You can create an analysis group by MS ID,

device type, IMEI, or IMSI. The functions

related to KPIs, reports, or themes in the

Assistant depend on analysis groups. If no

analysis group is created, DT data cannot be

analyzed.

Case (2): Drilldown and Data View Synchronization (Analysis of Call Drops)


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As shown in the WCDMA Serving/Active Set +Neighbors window, the signal quality of the active

set is poor when call drop events occur, but the

signal quality of the detected set is good.

Therefore, you can infer that call drops are

caused by missing neighboring cells.

Case (3): Theme Analysis (Over Coverage)


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3. In the Theme Detailwindow, view the

information related to the DT points where

the over coverage problem occurs.

1. Double-click a problem cell to drill down the

related indicators. As shown in the figure, 58

DT points where the over coverage problem

occurs are available in the cell W-

YangJiaGang2.

2. As shown in the map window, the distance between

a DT point where the over coverage problem occurs

and the cell W-YangJiaGang2 exceeds the plannedcoverage range of the cell W-YangJiaGang2.


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