actixone_v3.2_usercourse

Copyright © Actix 2010. Commercial in confidence.

Training Course

ActixOne 3.2 – Basic User TrainingModule 2: Network Optimization using Drive Surveys


Introduction

Overview of ActixOnefor Drive Survey data


Systemize the use of drive survey data

Actix automates the loading, validation and processing of drive surveys files

Automatically diagnoses problems

Provides a central Drive Survey repository for the quick location and retrieval of drives and associated network configuration

3

ActixOneDrive SurveyManagement

Platform

3. Web based interface provides end to end whole network view. With drill down into problem areas.

1. Automated server side processing and diagnosis of Drive Survey data.Automatic loading of configuration data.

2. Engineers get shared access to Drive Surveys.Reuse of historical drives synchronized with network configuration

4. Ability to ensure

consistency of KPIs and

analysis across all

engineers.

Ability to integrate with other sources: Planning, Performance, Alarms, Prediction to enrich analysis.

Engineering Management


Provide whole network wide visibility

Actix allows operators to build a view of their whole network in a web based interface

View many terabytes of current and historical drive survey in one interface

Powerful search capabilities enables the quick location of drive surveys and associated network configuration

4


Correlate drive survey data with other data sources

Actix enables drive survey data to be correlated with other sources to improve problem diagnosis

Sources include network configuration, performance, and alarms at the time of the drive

Provides a 360 degree view of the network

5


Drive Survey Management and Analysis Process

ReceiveDrive Data

InvestigateFurther

Manual Input Required

Automated In ActixOne

Activity

Diagnosis &Classification

Coverage

Interference

Neighbour

Blocks

Quality

Drops

IdentifyProblems

Pollution

Build Reports

Drive SurveyLoading &Analysis


ActixOne Architecture

7


Survey Management Module

Finding Surveys


Objective

In this section, you will learn the following:

About the Survey Management module

How to find survey files

How to modify a file’s properties

How to view event details

How to create a Spotlight investigation task

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Survey Management Module

You can use the Survey Management module to: Access all drive survey data stored in the central Oracle

database of your ActixOne system

Find and locate drive survey and measurement data quickly

Maintain a record of notes and comments associated with each survey and device in the form of user-defined properties

10


Browse Surveys

You can browse for a File or Device by:– Time– Network– Location or Area– Device– Property, Property filterand any combinations of the previous

as well as by

– Sectortogether with Time and Network

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Browse Surveys

Your trainer will now demonstrate how to search e.g. for survey files:

– Browse Surveys e.g. by Location Tick the box of the

Location/Area section and open it to enter a Location

– To run the search Click

and

– use Browse Surveys by Property Filter to set criteria on one or

several Properties

define a Property Filter

select a defined Property Filter12


Browse Surveys by Sector

Your trainer will now demonstrate how to search e.g. for survey files:

– Browse Surveys by Sector enter the sector name

and click or

select one sector on the map

13


Your trainer will now demonstrate :– how to select a survey file– the options of the survey

marker (action balloon) View File Properties, Add/

Set/Change File Properties Download File (Delete File) View Event Details Remove Trail from Map /

Show Trail on Map Create Spotlight Investigation

task

– how to select multiple files– the Actions drop-down list

to perform similar operations on multiple files

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Survey File Options


Viewing Event Details

Your trainer will now demonstrate how to view details for a selected survey:– Survey

device name date on which the survey was performed associated log file duration and the distance of the survey

– List of Events type, time diagnosis sort

– Legend display selected Call Events

– Event Details for a selected event serving sector further explanation and analysis

– Attributes– Back to previous screen (do not use the browser‘s Back button!)

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Example view for a selected event

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Example view for a selected Attribute

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Create a Spotlight task

You can create Spotlight tasks for drive survey events in the Survey Management module

You investigate the events, troubleshoot problems, and optimize your network in the Network Optimization module

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Create a Spotlight task

To create a task, perform the following steps:– Click a survey and select the Create Spotlight Investigation Task option to

open the task dialog box.

– Enter a descriptive name for the task.

– Assign the task a due date and priority.

– Write a description of the work that needs to be done.

– Assign the task to an ActixOne user.

– The user-defined fields are custom fields* that you can add and populate when creating the investigation task.

– Click Create Task to create the Spotlight task.

– A confirmation message is then displayed.

Note: – Choose a large area or region in order to better reflect the problem.

– You can further investigate the problem in the Network Optimization module.

19* These fields need to be defined during the system configuration by administrators.


Adding Surveys to ...

One or more surveys can be added to an existing Spotlight Investigation Task:

– Select one or more surveys from the survey list.

– Click the Actions button and selecteither ‘Add Selected Surveys To An Existing Spotlight Investigation Task’or ‘Add All Matching Surveys To An Existing Spotlight Investigation Task’.

– In the ‘Add Files …’ dialog box, enter the task's ID number in the Task ID field and then click the Search button to find the task. If the task exists in the system, the task ID and any description are displayed in the dialog box.

– Click the Add Files button to associate the file(s) with the task.

One or more surveys can be added to an existing Benchmarking Campaign:

– Select one or more surveys from the survey list.

– Click the Actions button and choose either ‘Add All Matching Results to Benchmarking Campaign’ or ‘Add Selected Surveys to Benchmarking Campaign’.

– In the Benchmarking Campaign Data dialog box, provide a name for the period and from the Campaign drop-down list select the campaign to which the surveys belong.

– Click the Add button to add the data to the campaign.

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Exercise: Adding a property

Browse for files

Select one file

Add a property tag– Click the View File Properties option.

– In the dialog box enter the name of a property in the Property field and its associated value in the Value field.

– Click the Set button.

Select a group of files– by pressing the Ctrl key on the keyboard while selecting

Add a property tag– Click the Actions button and select Set Properties on …

– (see above)21


Exercise: Finding survey files and Creating a task

Find the survey file you tagged previously by performing a property search

View its properties

What are the two ways of accessing options for working with survey files?

Create a Spotlight task for a set of survey files in a given area and a given time period

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File Status Module

Survey DataLoading/Processing Status


File Status Module

Displays detailed information about the status of survey files

Your trainer will now demonstrate :– how to populate the table using Refresh List– how to search for files

with a particular status or property

– perform actions on the files listed depending on their status, e.g.: set file property on multiple files

view survey

make an invalid file valid, e.g. for consideration in a report

– the total amount of data in the ActixOne database

Administrators and operators of ActixOne can use the information found in the File Status module to see whether or not file processing is successful and which pipelines may be faulty. (Pipelines are created and managed through the Administration module.)

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Problem Investigation Module

Network Event Overviewand

Further Problem Investigation


Objective


About the Problem Investigation module

How to view network events across the network hierarchy

How to create top-N lists of problem areas or sectors

How to plot an attribute

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Problem Investigation Module

You can use the Problem Investigation module for:

Identifying key problem areas and events that occurred in the network– from data stored in the ActixOne database

– by predefined queries e.g. including dropped calls, handover failures

Hierarchical Network Event Overview and drilldown– from Company-wide over Regions and Clusters down to Sector level

– view the attributes of problems, and understand the conditions

Investigating geographical areas and locations for information about RF performance and network events that have occurred– using Investigation plots

Generating Top-N lists of areas/clusters/sectors– with respect to the performance criteria of the predefined queries

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Copyright © Actix 2010. Commercial in confidence. 28

Network Event Overview

Your trainer will now demonstrate how to use the Network Event Overview:– Select:

Date/Time range Network Query Property filter

– e.g. certain tagged files only

– Run Analysis

– Drill-down from top levelover Regions … to Sectorsand individual Events

– Event summary (time, diagnosis) and Details

– Display additional Attributes for investigation at lowest drilldown level of sectors


Network Event OverviewQueries

The available Queries as well as Attributes depend on the setup of the ActixOne system.

Queries may include for example for WCDMA drive surveys:– UMTS CS Call Issues

– UMTS PS Connection Issues

– UMTS Scan Pilot Pollution,UMTS UE Pilot Pollution

– UMTS Mobility

– UMTS UE Coverage Issues

– UMTS Scanner Coverage ProblemsUMTS UE Coverage Problems

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Network Event Overview andInvestigation PlotsAttributes

Attributes are accessible only at the drill-down level of sectors

Attributes may includefor example for WCDMA:– UMTS Scanner BinnedData :

Scan*

– UMTS UE BinnedData :Uu*

Available attributes are configured by administrators.

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... and more


Investigation Plots

Your trainer will now demonstrate how to use the Investigation Plots:– Select:

Area or Location

Network and Attribute,for Network Performance plots also Attribute condition

Date/Time range

Property filter– e.g. certain tagged files only

Type of plot– Network Performance

or Attribute Value

– Plot switch type of created plot (no need to re-plot)

select different attribute (must click Plot again)

– Export the plot (Run report and download it)31


Exercise: Problem Investigation

For a given time range:

Determine the Region, Cluster and Sectors with the highest number of call issues (Top-N list)

Drill down into individual events and display Attributes for further diagnosis

Determine the overall network performance, e.g. in terms of EcNo, over the entire survey in a given area

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Network Comparison Module

Compare Networks


Objective


About network comparison

How to compare networks

Available options for network comparison

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Network Comparison

You can use the Network Comparison for:

Comparing network performance

between– two or more different networks or

– two or more different time periods at the same network

based on measured attributes (e.g. Ec/Io)– analyzing against a threshold or

– showing the difference (delta)

by– Area (Geographical area polygon) or

– Location

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Network ComparisonThreshold Comparison: Setup

Your trainer will now demonstrate how to compare drive survey data for different periods at the same network,for example: UE-measured Ec/Io, by LocationIn the Navigation menu, select:

– Compare by Area or by Location

In the Details pane, select:

– Location and Radius

– Number of Networks Each “Network” may represent as well

just a period at the same network.

For each Network, select:

– Technology/Part of network

– Attribute and Threshold

– Date/Time scope optional: Remember this setting

– [optional: Property Filter]

Click to execute36


Network ComparisonThreshold Comparison: Results

Comparison Result (for example, 2-way)

– Statistical analysis whether the threshold is exceeded by Both networks,

by either network, or

by none.

on the map as well as

in the scatter plot

– Histogram incl. CDFfor the selected attribute in all networks

Use the mouse cursorto see tooltips withcharted values

Click to save the chart as JPG picture

To view a data subset,e.g. all but the bins where both networks are good

– Deactivate the respective legend item or the respective quadrant of the scatter plot

To get a shortcut (URL „deep link“) to this comparison with these settings, click (at the upper right in the Details

pane)37


Network ComparisonThreshold Comparison: Export

To export the Comparison Results:– Click („Download report form last run“)

– Name it

– Select the desired format(s)

– Then click andselect the storage location

ActixOne exports a ZIP archive that contains the required files.

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Network ComparisonDelta Comparison: Setup

Delta Comparison performs for two networks a Difference analysis for the selected attribute.

Specifically for a Delta Comparison

for example: as before, for different periods at the same networkIn the Details pane:

– Activate Delta Comparison Then the Number of Networks is limited to 2.

– Since “Network1” – “Network2” will be reported, it is recommendable to set the earlier period as Network2and the later period as Network1 in order to get apositive difference if the attribute has increased.

– optional: Set an Offset for the selected attribute

(Other settings are similar to Threshold Comparison.)

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Network ComparisonDelta Comparison: Results

Comparison Result– Difference plot on the map

Network1 – Network2

– Histogram incl. CDFfor the selected attribute in both networks

– Histogram of the difference

Use the mouse cursorto see tooltips withcharted values

Click to save eitherchart as JPG picture

(Other features work similar to Threshold Comparison.)40


Exercise: Network Comparison

On an area where co-located drive tests are available for different times:

Perform a threshold comparison for the two time periods, e.g. for the Ec/Io– Show only the bins on the map where the Ec/Io is below

threshold in the second period and in both periods

– What is the PDF and CDF value in each periode.g. for Ec/Io = -8 dB ?

– Export the comparison

– Get a shortcut to your comparison (and pass it to your neighbor) Perform a delta comparison of the same data

– Show only the bins on the map where the Ec/Io has increased

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Network Optimization Module

Managing Tasks,Area-Based Analysis,

Data Reports and Exports


Objective


About Tasks and their Management

How to manage tasks– Task-based working

Task-based vs. Area-based analysis– Area-based working

How to control the display on the map– for Drive Survey data

Run Reports and Export analyzed data43


ActixOne Task Management

You can use the Task Management for: Daily work on prioritized network optimization tasks

– including detailed information and problem investigation

Reviewing, updating, assigning tasks– including audit trail on previous actions as well as

– taking and assigning ownership

Keeping an overview of the tasks– including priority, status, and ownership as well as

– using the Dashboard module

Managing an own list of your tasks of interest – including:

– filtering, e.g. on certain types of tasks

– defining views with your desired structure and columns44


Network Optimization ModuleTask Management with a task selected

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A Task in ActixOne

Set of selected data for a given network part, area, and time period

Contains events/problems to be investigated by a user

Is further characterized by:– Description

– Priority, Status, Assigned To

– Problem, Cause, Action

– further customer-specific properties, e.g. RNC

Can be used to keep track of solving the problem– using the Audit Trail

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Task Typesand their ways of creation

Task Type

Description Possible ways of creationManual vs. Automatic*

Spotlight

Concerning Spotlight events and data,i.e. drive survey or subscriber trace data

Survey Management Create Spotlight investigation task or Upon loading of survey or trace files into the system

Call Event Created for call events. Similar to Spotlight tasks, but contain one event only

Upon loading of survey or trace files into the system

User Defined

tasks that users consider need to be investigated or addressed

Network Optimization Task Management Create Task

Benchmarking

Related to Benchmarking projects, for a particular period. For ActixOne internal use.

Upon adding data to a benchmarking period

SwitchData Created for each controller to allow analysis of missing neighbors, overshooters, and handover failures.

Upon loading of Ericsson (W)NCS or MRR files into the system

Configuration Alert

Created if a configuration parameter has changed

Upon loading of configuration data into the system

Performance Alert

Created if a KPI exceeds a threshold Upon loading of performance management data into the system, based on Rules

Equipment Alarm

Based on Cause Codes Upon loading of equipment alarm files into the system

Troube Ticket

Based on manually created trouble tickets that have then been loaded into ActixOne

Upon loading of trouble ticket links or files into the system

47* depending on the setup of the ActixOne system, defined by administrators


Task Management

Lists all tasks with a unique ID and further information

Select a task to see more information about it– on the map and– in the Task Detail panel to the left of the map

The tabs in that panel are:– Details– Audit Trail– Contributing Events (for PM Stats tasks)– Properties

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Task ManagementTask List Contents

The default Task List contains the following columns:

ID

Type

Description

Created (date & time)

Assigned To

Priority

Status

The columns and structure of the Task List

can be defined by the user through Views

For more information on Task List setup, refer to Course Module 1 (Overview and Getting Started).

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Task ManagementTask List Handling

All tasks that match the current Filter and Scope are displayed in the list.

When you select a task from the list, the task view for that task becomes available.

The buttons by the Task List allow you to:

At the bottom of the Task List, ActixOne displays the selected task’s ID and Description, the applied filter, view, and scope, and the total number of tasks in the current list.

Select a task by its ID, by typing it in the Task ID field at the bottom

For more information on Filter/View/Scope, refer to Course Module 1 (Overview and Getting Started).

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Refresh the list

Copy the list to the Windows clipboard

Create and manage Filters

Create and manage Views

Scope

Create a user-defined Task

Run a Report


Task ManagementChange Task Properties

Assigned To– A task can be unassigned or assigned to

a specific user.

– Take or Release Ownership of a task by (when unassigned) / (when assigned to you)

in order to work on the task or make it available for another user, respectively

– Only users with according rights may as well re-assign a task to other users.

Status– A task is In Progress, if it is assigned.

– Close a task by

– Closed tasks are typically removed fromthe system after a while*

51* depending on the setup of the ActixOne system, defined by administrators


Task-Based vs. Area-/Sector-Based Analysis

In the top left panel:– select for Task-based analysis

Date/Time scope is defined by the selected task

– select another option for area- and sector-based analysisa) for a geographical area;

may also be a user-defined custom area

b) for the map (view)after setting the map to the desired scope

c) for where the sector was servingafter selecting one or more sectors

d) for near the sector,within the specified distance,after selecting one or more sectors

also select Date/Time scope

Refresh to apply it52


Area-Based Analysis

Enables a simplified workflow:– No need to create tasks

– User can set up a default cluster boundary

– Upon entering Network Optimization module: immediately launch the Call Event Explorer or the Radio Network

Analysis for the user cluster area

and further in the Call Event Explorer, simply click on an event in the map in this cluster area and immediately launch the Layer 3 Drilldown

53


Survey Layer Properties

To control the display of Drive Survey data:select Survey Layer Properties– select one or more Networks and Devices

– select one or more Attributes that are available for them

– Performance enables the display of binned survey attributes

on the map

Offset: offsets the display of attributes, if more than one was selected

Multiple Symbols: displays more than oneselected attribute with a different symbol each

– Call Events

– Survey Trails

– Survey Markers enables the display of the respective information

on the map

For more information on Layers, refer to Course Module 1 (Overview and Getting Started).54


Controlling Surveys Layers

Your trainer will now demonstrate how to:– Access the Layers control

– Control the display of Survey data using Survey Layer Properties including: Selection of Network and Device Selection of Type of information:

performance attributes, call events, survey trails, survey markers Visibility – depending on zoom level Point size Line Settings – for the display of a selected call event

– Control the visibility of Survey data using the Legend Enable/Disable the displayed Survey information Show only selected items, e.g. only certain call events

55


Report on Analyzed Data

To run a report, click at the bottom of the Select Survey Data Source panel

or, if that panel is minimized, at the right

Select a report andclick to Run the selected report– depending on the report,

some parameters are required

– select the format

– select the output

– Run

Click to Download the report

The availability of the reports depends on the ActixOne setup, as defined by administrators.56


ReportExamples

57


Exercise: Task Management

Locate the Spotlight task created earlier

Take / Release ownership of a task

Make an Annotation to the Audit Trail of a task

Identify the LOG files related to a task

How many tasks are in your ActixOne system?

Analyze data for a selected area or group of sectors

Display several attributes with offset and multiple symbols

Display call events, but show call blockings and drops only

Refer also to the Exercise on Basics of using ActixOne / Task List in Course Module 1.

58



Call Event Explorerand

Radio Network Analysis


Objective


Investigate call events using Call Event Explorer

Analyze network performance using Radio Network Analysis

Identify worst performing sectors

Diagnose and investigate problems in order to optimize the network

60



Offers 2 approaches to problem diagnosis and trouble-shooting driven by

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Call EventExplorer

Service Performance Criteria RF Performance Criteria

Radio NetworkAnalysis

Set of predefined* queries on call events

Call Flow analysis

Layer 3 analysis

Set of predefined* queries on RF criteria

Coverage, Cross-Feeder, and Overshooter Analysis

Pilot Pollution andAntenna Visualization

Missing Neighbors

* by administrators


Select the Task

Details for the selected Task:

Number of Logical Devices:– click to select Devices

for the investigation

Select Category– to view below a

summary of network performance issues

Use Survey Layer properties (here or later), if survey data should be displayed for the task

62


Call Event Explorer

You can use the Call Event Explorer for:

Event-driven problem diagnosis and trouble-shooting

Investigating call events– including automatically generated root-cause diagnostics

for most common subscriber problems, e.g. dropped calls

Identifying worst performing sectors and locating and diagnosing problems

Call flow analysis

Layer 3 drilldown analysis– Layer 3 messages

– Replay controls

– Attribute strip charts

– Radio technology specific charts63


Call Event Explorer

Your trainer will now demonstrate how to view andinvestigate call events, for example: Dropped callsSelect the type of analysis:– Category UMTS : Circuit Switched

and related Call Events CS Call Drops from drop-down lists

– Colorize the call drops byDiagnosis: click

Two ways of analysis:– through table of sectors

sort # Dropped Calls in descending order to identify worst cells

select the worst sector

– through Diagnosis list of events click an event, see the sector line, and

Call Event Details (Further Explanation, advice on Further Analysis, Measurement Information) below

Use the Legend to activate/deactivate the events to display

Use the Survey Layer properties to display survey data together with the events64


Call Event ExplorerLayer 3 Drilldown Analysis

(continued...) how to investigate Dropped calls– Select the Event to analyze

– Click for Layer 3 Drilldown Analysis

– For leaving L3 Drilldown: Click again or65


Your trainer will now demonstrate how to use Layer 3 Drilldown Analysis, for example: UMTS Dropped callElements for analysis:– Charts for selected attributes

before and after* the event (red line) Click on a chart / move the blue line to select a

certain time for analysis in all elements incl. map

Click in the chart to adapt the design

Further attributes may be selected from thedrop down list above

– Active Set, Monitored Set, Detected Setfor the current time in the diagram above

Use tooltips to see corresponding RSCP and EcNo

– Message list and detailed contents Use for full-text search

on all message contents

Click to modify the table view

– Replay controls Select from to adapt the replay speed


66* The time window around the event is defined by administrators.


Your trainer will further demonstrate how to use Layer 3 Drilldown Analysis, for example: GSM Dropped callElements for analysis:– (see also the UMTS example)

– RxLev of the serving and measured sectorsand more GSM-specific informationfor the current time in the diagram above

– Moreover, for export of information: Copy to clipboard

Save all messages to text file


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Exercise: Call Event Explorer

For a given task:

Get the top-10 list of sectors with the highest number of dropped calls

Investigate a selected call drop– Call Event Details– Display a survey attribute, e.g EcNo– Look at Layer 3 details using Drilldown

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Radio Network Analysis

You can use the Radio Network Analysis for:

RF-driven problem diagnosis and trouble-shooting

Investigating– coverage based on both handset and scanner data

– pilot pollution

Identifying– crossed feeders

– overshooters

– candidate sectors for optimizationof e.g. coverage or downtilt/interference

– line-of-sight conditions and terrain obstructions by antenna visualization

Analyzing and optimizing– neighbor lists – based on scanner data

– antenna downtilts – using antenna visualization

69


Radio Network AnalysisRun Analysis

On the Radio Network Analysis tab,select:– Analysis

Coverage

Pollution

Missing Neighbors

– Device Type

To Run the Analysis, click

70


Radio Network AnalysisCoverage: Settings

Click to review and adjustthe Coverage SettingsFor Coverage Analysis:– Poor signal level threshold

e.g. UMTS RSCP, GSM RxLev

– Poor signal quality thresholde.g. UMTS EcNo, GSM RxQual

For Overshooter Analysis:– Maximum Server Distance

For Cross-Feeders Analysis:– Cross-feeder Angle

Filter the table for sectors with:– a minimum number of Best Samples

– a minimum number of Seen Samles

– a minimum Cross-Feeder %

– a minimum Overshooter Count

Footprint Attribute– determines what is displayed on the map

71


Radio Network AnalysisCoverage related Map Layers

Coverage analysis makes use of the following map layers:– Cell Coverage

The bins with the information selected bythe Footprint Attribute

– Cell Coverage Bin Lines Lines from a bin to the received sector

and its neighbors

Click on a bin to show the lines(see also Coverage: Selected Bin)

– Cell Coverage Footprint

Move the pointer over the icon or click it to:– show or hide any Coverage Layer:

use the checkbox(refer also to ActixOne Client Basics)

72


Radio Network AnalysisCoverage: Overview

73


Radio Network AnalysisCoverage: Selected Bin

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Radio Network AnalysisSector Coverage

Your trainer will now demonstrate how to analyze coverage:– To get a coverage quality overview, run the Coverage analysis and

select RSCP as Footprint Attribute– Make sure the All button is active

– (Sort the table e.g. for worst Av EcNo)

– Select a sector row The map shows the data measured

for that sector and the coverage wedge for that sector(based on beamwidth and setMaximum Server Distance)

The side panel shows a histogram of the distances at which the sector was measured (with Maximum Server Distance as red line)

– Select different Footprint Attributes

– Select different plots from the legend: RSCP or RSCP (Best)75


Radio Network AnalysisSector Coverage: Cross-Feeders

Your trainer will now demonstrate how to identify cross-feeders:– Run the Coverage analysis, select RSCP as Footprint Attribute, and

click the Cross-feeders button The table is automatically sorted

for highest “% > 180 Beam”.

– Select the RSCP (Best) plot fromthe Legend

– Select RSCP for Chart display

– Select the top sector row Based on the coverage wedge and

the indicated cross-feeder angle(here 180°), misplaced strong measurements can be identified

– The general RSCP plot may be used in addition

76

Click to save a chart as JPG


Radio Network AnalysisSector Coverage: Overshooters

Your trainer will now demonstrate how to identify overshooters:– Run the Coverage analysis, select RSCP as Footprint Attribute, and

click the Overshooter button The table is automatically sorted

for highest “> Dist”.

– Select the RSCP (Best) plot fromthe Legend

– Select EcNo for Chart display

– Select the top sector row Based on the Distance chart and

on the Maximum Server Distance indicated on the map, overshooting sectors can be identified

– The Altitude Profile tool can be used to assess line-of-sight conditions

– The general RSCP plot may be used in addition77

Click to save a chart as JPG


Radio Network AnalysisPilot Pollution: Settings

Click to review and adjustthe Pollution Settings– Bins with more signals than Active Set Size

within the Reporting Range below the best signal have Pilot Pollution

– Provided that RSCP and EcNo are abovethe Thresholds

Number of strong signals vs. pollution– The Count Pollution column of the sector table

counts polluted bins only. Accordingly, if a sector is selected, the sector list

in the left panel lists sectors with pollution.

– The map and the histogram display alsonumbers of strong signals below pollution Using the Legend, only polluted bins

can be selected for display 78


Radio Network AnalysisPollution related Map Layers

Pollution analysis makes use of the following map layers:– Pilot Pollution

The bins with the number of received sectors(as measured in the drive survey)

– Pollution Bin Lines Lines from a bin to each received sector

Click on a bin to show the lines(see also Pilot Pollution: At a given Location)

– Pollution Sector Lines Lines from a sector to other sectors sharing pollution

Click on a sector to show the lines(see also Pilot Pollution: Between Sectors)

Move the pointer over the icon or click it to:– show or hide any Pollution Layer:

use the checkbox(refer also to ActixOne Client Basics)

79


Radio Network AnalysisPilot Pollution

Your trainer will now demonstrate how to analyze pilot pollution:– To get a pilot pollution overview,

run Pollution analysis

– Possible data sources:Handset or Scanner

Scanner analysis is more reliable, of course

– Left panel shows a histogram of the number of strong signals

Click to save the chart as JPG

– Use the Legend to display onlyselected values/ranges,e.g. number of signals > Active Set Size

– Sort the table,e.g. for highest Count Pollution

80


Radio Network AnalysisPilot Pollution: At a given Location

Your trainer will now demonstrate how to identifythe polluting sectors at a given location:– On the map, select a bin

(An area can be selected by Shift + draw a rectangle.Multiple bins can be selected by Ctrl.)

– All sectors that provide a strong signal are identified by lines*:

light green : serving sector

green : next best sectors, up to Active Set Size

red : polluters

yellow : below thresholds

and listed in a table in the left panel together with themeasurement information

81* configurable in the Pollution Bin Line Properties


Radio Network AnalysisPilot Pollution: Between Sectors

Your trainer will now demonstrate how to identifywhich sectors pollute each other:– Sort the sector table at the

bottom for the highest Count Pollution

– Select the top sector

– Sector lines Thickness corresponds to

the number of polluted bins

can be hidden/shown by theDraw Sector Lines checkbox

– Polluted sectors table in theleft pane includes Distance and

number of polluted bins

e.g. sort it for the highest distance82


Radio Network AnalysisAntenna Visualization: Settings

When antenna visualization is activated– by selecting a sector and then clicking ,

click to review and adjustthe Antenna Visualization Settings

– Default Antenna Height (m): The antenna height value used for the purposes of the visualization.

– Default Distance (m): The distance to the outer edge of the visualization region On the map it is shown as a large circle around the selected sector.

In the terrain profile chart it determines the right-hand end and the horizontal scaling.

– Region Start (m): The distance from the antenna at which pollution bins will start to be displayed in the terrain profile chart.

– Region Width (m): The width of the shaded region on the map. And the width, for which pollution bins are displayed in the chart.

– Start/End Alpha: The transparency of the start and end of each shaded region. A value of 1 is solid, and a value of 0 is totally transparent.

The shading will grade steadily from the start point to the end point of each shaded region.

– Start/End Color: The color at the start and end of each shaded region. The color will change steadily from one color to the other from the start to the end point of each shaded region.

– Use Symmetric Scaling: Changes the vertical scale in the chart to match the horizontal scale.It is usually switched off to accentuate the vertical scale.

– Show Grid Lines: Displays lines on the chart corresponding to each successive 3 dB reduction in antenna power.

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Radio Network AnalysisAntenna Visualization & Pilot Pollution

Your trainer will now demonstrate how to visualizethe vertical antenna orientation over terrain and pollution:– Click to activate Antenna Visualization

– Select a sector (either on the map or in the table)with a non-zero, rather high ‘Count Pollution’

– Antenna Visualization: Shows the visualization corridor on the map

andthe vertical antenna orientation in combination with the altitude profile and the pollution bins in the diagram below

The initial azimuth angle of the corridor points to the most pilot pollution where the selected sector is best server

– Move the cursor over a bin in the diagram to see the tooltip and highlight it in the map

– Select a pollution bin (outside of the corridor)

to change the visualization towards the direction of that bin

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Radio Network AnalysisAntenna Visualization & Pilot Pollution

Your trainer will now demonstrate how to analyzedifferent antenna downtilts:– Use the sliders to the left of the

diagram to change the vertical orientation Adjust the electrical tilt

Click below the left slider to alsoAdjust Mechanical Tilt

– Click to show the antenna pattern(if available in the database)

– Click and move the corridor on the map to turn it to a different direction Investigate the impact of tilt settings

at the different angles

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Tools Antenna Visualization

Antenna Visualization is also available in the Tools menu for any selected sector

Opens a separate window– Settings are available at the top right

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Copyright © Actix 2010. Commercial in confidence. 87

Radio Network AnalysisMissing Neighbors: Settings

Click to review and adjustthe Missing Neighbors Settings– Geometric criteria

Maximum Intersite Distance

Angle to Site Threshold

– Overlap criteria Reporting Range

– Statistical criteria Minimum Samples

Addition Threshold

Removal Threshold

– Neighbor list criteria Maximum Size

Include Existing Neighbors

Only Process Best Sector

This algorithm is designed to Add missing neighbors based on the scanner measurements, predominantly during roll-out tasks. It also offers recommendations to Retain or Remove neighbors; however they should usually still be verified by handover statistics.


Radio Network AnalysisMissing Neighbors

Your trainer will now demonstrate how to analyze and optimize neighbor lists:– To get a neighbor lists overview, select Neighbors as analysis

– Select a row in the sector list, thenneighbors are identified by

lines* on the map:green : add

blue : retain

red : remove

and listed in a table in the left panel together with themeasurement andanalysis information

88* configurable in the Missing Neighbor Line Properties


Exercise: Radio Network Analysis

For a given task:

Search for cross-feeder sectors

Get the top-10 list of overshooter sectors

Which sector has the highest pollution?

For a given location: Which sectors create pollution there?

For a given sector: Which other sectors share pollution with it?

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actixone_v3.2_usercourse

Documents

radio network

call event

vertical antenna

viewing event

charted values

survey management

network comparisondelta

radio network