Nokia UMTS Actix Training

1 © NOKIA Actix User Trainning/Module1.PPT / 01.08.2004 / NN

Actix User Training

Module 1


Course Intent

• To provide users with no prior knowledge of Actix theoretical understanding of Actix capabilities

• To focus mainly on basic features rather than on implementation of macros and usage of advanced features

• To Show how the Actix RVS suite is used in practical tasks related to Nokia UMTS projects

• To provide the users with confidence in the usage of Actix by mean of practical exercises


Content

• Module 1• Getting started• Configuring Actix• Learning Actix

• Module 2• Working with Actix in

practice

• Module 3• Practical exercises /

(Working with scanner and call trace data)

• Module 4• Advanced features


Getting Started

• What is Actix?

• Actix Solutions – RVS

• Installation

• Licencing


Getting Started

Actix is a Post-Processing tool

• Input:•Tracer data: NEMO, TEMS, Q-voice•Scanner Data•Traffic records (switch traces), e.g. Ericsson, Motorola•Protocol analyser data A, Abis, Gb interfaces e.g. Nethawk, Tektronix

• Output:•Maps•Charts•Tables•Reports •Diagrams

ACTIX SOLUTIONS


RVS Suite

• Suitable to analyze measurements of the UMTS radio interface

• Support a large number of vendor/standard file formats for DT, trace, protocol analysers

• Provides results in a wide variety of formats

• Good user interface (easy to adapt)

• High level of customisation ability

• Structurised data presentation capabilities

• Fast overview analysis with pre-defined reports


Installation

• Support Windows 2000 and Windows XP operation systems

• System spec. has a great impact on peformance• e.g. 3GHz processor with 1 Gb Ram is good !!• 1.5GHz processor with 512Mb Ram is enough if not

big amount of data is processed

• During installation • installation of MapX OCX modules take’s time, be

patient

• Post installation• No need to re-boot


Licencing

Single Machine Licencing:

Dongle + Licence file Not transferrable


Licencing (2)

• Sever Licencing: dinamic allocation of licences


Licencing (3)

• Diagnostics Tool• Start from actix program group Management ->

AtxDiagnostics• Generate report => This will show the licensing set-up• If dongle ID not present in report => server licensing

or dongle not detected

• License definitions• File ActixLicensing.ini• Located in <PATH>\Analyzer\Bin\LicenseDefinition• Contains license server(s) and configuration options

for server license management


Configuring Actix

• Menu overview

• Importing / Setting up Maps

• Configuring cellrefs file

• Open scanner files

• Information Attributes

• Working with data / Charts – Tables – Woorkbooks

• Open call trace file

• Adding attributes to favourites

• Log file browsing• Protocol browser• Message browser

• Log file combining• Super streaming


Configuration of Actix

• Import Backdrop Map

• Import Network Data (sites and cells)

Ready to start!


Main Window

Workspace explorer

Workspace(empty)

Toolbar Main menu

Status bar


Main Menu/File


Main Menu/View


Main Menu/Analysis


Main Menu/Network Image, Workbook, Cells


Main Menu/Tools


Importing Map

• View -> Display New Map

• Mapinfo Interface, add map in the same way as Mapinfo


Importing Map (2)

• Map should be provided in the same format as for Mapinfo: JPG file associated with a TAB file which defines the coordinate frame

• Same Command as in Mapinfo are available as well as pop-up menu when righ-clicking on the map

Map tools


Importing Network elements – CELLREF

txt file with 3 main sections:

•Header

•Cell definitions

•Sites definitions


Importing Network elements – CELLREF (2)

• Menu: Tools –> Preference• Cellref – file location

Filename does not necessary have to be Cellref, neither has to be in the ”Cellref”folder

Restart of Actix is needed for the changes to take effect


Importing Network elements – CELLREF (3)

Because of regional settings some computer should have the comma (”,”) instead of the dot (”.”) as decimal separator

?!?


Importing Network ElementAutomatic import

• This feature is very useful when having cell data changing quite often, which is s very common situation in a project:

• From Menu Cells -> Network Explorer we can manage our database of cells and sites.


Labels for Sites and Cells

• Just like in Mapinfo we can define which field to be used for labels both for Sites and cells. Usually for sites the Site Name is predefined. For Cells the Cell ID is predefined and it is convenient to change it to Scrambling Code (SC)

• Labels can be changed from Layer Control


Learning Actix


Learning Actix

• Scanner files• Open scanner files• Information Attributes• Charts – Tables – Woorkbooks• Display element synchronisation• Export data

• Call trace files• Open call trace file• Adding attributes to favourites• Log file browsing

• Protocol browser• Message browser

• Log file combining• Super streaming


Scanner files


Open Data files - Scanner

• After importing a file we can navigate thru the attributes in the workspace navigator

• Both Scanner and Tracer (NEMO) are used for mesurements. Actix can handle both of them

•Attributes can be conveniently displayed in different forms and combined


Most Important Attributes

Ec/io of Best Server (interference level)

RSCP of Best Server (power level)

Scrambling code of Best Server (dominance plot)

Notice that the ”BEST SERVER” (Nth Nth Best) is defined and sorted always by the best Ec/Io


Display on Map - Thresholds

Thresholds for RSCP

Map representation is very convenient for displaying measurements from a topological point of view

Three different elements are now visible on the map


Modify Ranges And Colors

Right-click on the desired map element (in this case: RSCP) - > Modify Ranges

Both levels and colors can be defined

When the dialog window is closed settigs must be saved.


Thresholds for RSCP and Ec/Io

RSCP

< -95 poor

[-95;-85] fair

[-85;-75] good

>=-75excellent

Ec/Io

<-12 bad

[-12;-9] poor

[-9;-4] good

>= - 4excellent


Adding more attributes to a map

Only the last added attribute is visible. Others are laying behind


Layer Control and Offset ToolBy mean of the Offset tool we can have the traces shifted


Cursor tracing and Lines to Serving Cells

Placing the cursor over the trace the value is automatically displayed

CLicking on any point on the trace, the lines to best server (continuos) and second best server (dashed) are displayed


More important attributes from Scanner Measurements

RSSI

RSCP for each SC measured

Ec/Io for each SC measured


Emulated 3GPP Attributes

These are based on settings for SHO parameters which can be edited in

Tools -> Preferences

and then:

General settings -> WCDMA

We can thus set the same paramenters which are in the Network


Topological Attributes

”Serving cell” is in this case the Best Server


Charts, Tables and Workbooks

Righ-clicking on any attribute we can have a choice of displaying it also on Charts, Tables and Workbooks (Excel spreadsheets)


Charts, Tables and Workbooks (2)


Synchronization of display elements

• Syncronization can be activated from Tools -> Preferences (Auto Sync to stream)

• It is not enabled by default: computing power consuming

• Charts, Tables and Maps may display same attributes or different ones


Export Maps and Charts

• MAPS: There are two options from export. •Right click on the map and select export map. The map can be exported as a plain picture file•Click on ”Layout” on the map window and export as project document

• CHARTS: Also here there are two choices:•Right-click on the chart and select Image Export....•Click on ”Copy” on the chart window and record the image on the clipboard


Call trace files


Open NEMO File•In menu ”3G” we can find the same attributes as in the scanner measurements

•We don’t have the concept of ”best server” in tracer measurements. Instead we have ”active set” and ” monitored set”

•Same Attributes can have different name and be found in different location

• What is impotant here is the TX power which is not present in the Scanner


Open NEMO File (2)

• In the menu ”Pilot Measurements” we find individual SC measurements.


Open NEMO File (3)

• The menu ”Dedicated Radio Link” contains logical measurements about KPI’s


Open NEMO File (4)

• The menu ”Uu_RRC”contains informations about signalling

•BCCH-BCH signaling flows while the UE is in idle mode

•UL-CCCH and DL-CCCH signalling flows while the UE is in Cell-FACH state

•UL-DCCH and DL-DCCH signalling flows while the UE is in Cell-DCH state


Open NEMO File (5)

• ”Event data” contains logical event about call establishment and Handover as well as PDP context activation for PS calls

• ”Statistic Data” contains information about delays

•These two sets of attributes are suitable for analyzing KPI’s


Adding Attributes to favourites

• You can ”Add To Favourites” those attributes which are used more frequently

• In order to have the attributes saved in ”Favourites” it is necessary to save the workspace befor exiting Actix


Signalling and Protocol Stack

• Message Browser and Protocol Stack Browser are useful tools for displaying the signalling and the sequence of events for the NEMO trace

• Typical signalling sequence which need to be analysed are: Call Setup and Handover Loop


Message Browser

1

2

3

4

4


Message Browser (2)

1. In the left part is the list of main objects which are displayed in detail in the right part

2. Signalling event are indicated with RRC UL or RRC DL

3. Some event are traced from the mobile but they are not signalling in this case Ec/No measurements

4. THe red bar indicates the extension of the script of each element

5. This is raw messaging. Knowledge of the protocol is needed to identify important elements (in this case, event e1a)


Protocol Stack Browser


Protocol Stack Browser (2)

• Protocol Stack Browser shows only the signalling.

• In the upper part messages are displayed and associated to L3 events

• Protocol Stack Browser is an easier tool for browsing the signalling

• It can be syncronized with Maps Charts and Tables


Superstreaming

• It is reccomended not to have very long logfiles when collecting data

• Smaller logfiles can be recombined with the superstream tool


Superstreaming (2)

• Tools -> Create Superstream

•Logfiles can be selected individually

•Superstream is available in the workspace browser

•Superstreming does not create a bigger logfile but rather combine the existing data using pointers.


Working with Actix in practice

Module 2


Content



practice





Working with Actix in Practice

• Need for process / process presentation

• Site Verification• Cluster verification• Network verifiaction


Pre-Launch Optimization

• Pre-Launch Optimization is done when Network is built and integrated, but there is no commercial traffic in it

• In GSM coverage is an issue. In UMTS interferance is critical

• Realiability of equipement migh not be as good as in GSM


Standard process

SITEVERIFICATION

CLUSTERVERIFICATION

NETWORKVERIFICATION

• Efficiency and accuracy of analysis

• Standard documentation – big amount of data to be analyzed


Global settings

Actix MainUser is in charge of defining:• Thresholds for map plots• Templates for measurement report forms

Many people in different regions using the same tool. Process is needed


Site Verification (1)

• Both scanner and tracer measurements

• Voice call is suitable to perform the verification

• Ec/Io should be in the range [-2 ; -4]

• Cross-feeders• external interference• SHO functionality



• Site should be the only one on air in the network

• If not then at least only intra-site adjacences should be defined in order to prevent the phone to perform handover to other sites



Elements to be displayed on the map:

Scanner• RSCP per each SC

• RSCP best server

• Dominance plot

• Ec/Io plot (interferance should be very low if only one site is on air)

Tracer• Display events on the measurement route (SHO, Drop call etc)


• Ec/Io plot

• UE TX power


Cluster Verification (1)

• Both scanner and tracer measurements

• Data call (high throughtput UL and DL) to check performance

• Cluster is 10 sites more or less

• Critical issues are:• Pilot Pollution • Sectors having no dominance• Neighbour definition check



Elements to be displayed on the map:

Scanner• RSCP best server

• Dominance plot

• Ec/Io plot (this should not be worse than -9 if there is no traffic in the NW

Tracer• Display events on the measurement route (SHO, Drop call etc)


• Ec/Io plot

• UE TX power



• When pilot pollution is detected documentation about overshooting SC needs to be provided

• RSCP of overshooting SC• Detailed plot of Ec/Io of polluted area

• Same issue is for lack of dominance


Network Verification

• Final stage

• Problem should be fixed in the two previous stages

• Many measurement routes which can be combined by superstreaming


Practical Exercises

Module 3


Content



practice





Practical Exercises

• Site Verification

• Cluster Verification

• SHO Analysis


Site Verification

• Site to be verified is Erstein

• Following issues need to be verified:• All sectors are performing normally and radiating• Check cross-feeder• Voice call establishes normally• SHO occours successfully• Receiving end of Node be is performing normally

(MHA, cabling receiver)



• Maps to be saved for Site Verification reports

• RSCP and Ec/Io from Scanner (best server) and NEMO (stronger in the active set)

• Dominance plot from Scanner and NEMO

• Tx Power

• Active set count from NEMO


Cluster verification

• Check for Pilot pollution

• Check for sites with no dominance

• Find non working sites

• Check performance (throughtput)

• Check what is the minumun value of RSCP during successfull SHO



• PIlot pollution is detected with the following criteria:

RSCP > -92 and Ec/Io < -9

• Sectors not operating can be detected looking at the list of measured SC in scanner measurements


Binned Query for Pilot Pollution


Binned Query for Pilot Pollution (2)

• Element must be picked from list

• Notice that the two part of the expression separated by the”AND” are enclosed in brackets

• After selecting elements from Nth Nth Best, the index must be specified

Data Format must be selected

Query’sDescription


Binned Query for Pilot Pollution (3)


SHO analysis

Check what is the minumun value of RSCP

during successfull SHO

• This kind of analysis can be performed exporting attribute data to Excel Workbook

• First thing to do is to load all NEMO files (*.dt1) and superstream them

• From the superstrem we can export some attributes to Excel WOrkbook


SHO analysis (2)

• Attributes to be exported:• 3G UMTS -> Event Data -> Handoff Events -> Uu_HandoffOK• 3G UMTS -> Downlink Measurements -> Uu_ActiveSet_RSCP ->

Uu_ActiveSet_RSCP_0• 3G UMTS -> Downlink Measurements -> Uu_ActiveSet_EcNo ->

Uu_ActiveSet_EcNo_0• Data Testing -> Application Measurements -> App_Throughput_DL

• In Excel Workbook• Data -> Filter – Autofilter

• In Column Uu_HandoffOK select Handover Ok• In Column App_Thgroughtput_DL select Custom -> is greater than

120• Data -> Sort

• Sort by.. RSCP


Advanced features

Module 4


Content



practice





Advanced features

• Network Images

• Binning

• Queries and macros

• Stateforms

• Reports

• Actix directory hierarchy


Network Images

• A collection of a large number/large size log files for the purpose of looking at specific attribute/parameters.

• single data file (.dat file) that contains the results of a series of queries run on a collection of logfiles.

• logfiles can be added to the Network Image, increasing the size of the data file.

• E,g, log files collected in monthly images to evaluate monthly performace.


Network Image wizard

• Easiest way created with Network Image Wizard

• Provides a set of pre-defined templates with defined parameters / attributes included in the network image

• A created image needs to be “attached” to a workspace in order to activate the image in the workspce

• This allows “batch-loading”. of data from a collection of logfiles.

• Batch-loading allows you to import a small number of important data parameters without needing to load all of each file.

• After batch load, attributes can be investigated in same manner as any attribute (e.g. plotted on maps)


Binning

• A way to aggregate data together according to different criterias

Data

Bin

Criteria Criteria


Binning (2) Criterias

• Time• Data combined according to time criteria e.g. 1 second• Suitable as “default”

• Location• Data combined according to a spatial grid (definable grid size)• If data from different dates are to be combined

• Distance• Data combined according to a fixed spatial distance• Level out location device logging problems

• Message• Data combined according to number of message• Local trouble shooting / e.g. setting to value 0 means no

aggregation take place (i.e. raw data)


Queries and Macros


Queries and Macros (2)

• Queries are saved within the workspace

• In the tag ”Existing Analisies” we can find some pre-defined Queries which can be used as template. This is very useful since this part is not very well documented


Stateforms

• Stateforms are are a collection of pre-defined windows/pop-ups designed to visualize particular information from log file data

• UMTS Data Event Navigator

• UMTS Data Session

• UMTS Throughput

• UMTS Top 10 Scan Measurements

• UMTS UE Active + Monitored Set• UMTS UE Call Information• UMTS UE Measurements Charts• UMTS UE Radio Parameters• UMTS UE Transport Channel Info• UMTS Voice Event Navigator


Stateforms (2)


Stateforms (3)

• With this set of tools we can displays events in a for which is similiar to what we have in the NEMO ”Replay” Feature.

• Some of the element can be activated by right-clicking on the file lement in the workspace Explorer and then ”Display form”

• Othr elements can be taken from Menu: Tools

• ”Display Replay” allows to replay the session at the desired speed


Reports

• Actix is capable of generating Excel-based reports

• Reports need to be customized according to the technology and the signalling in use

• Reports provide advanced KPI analysys for System Performance Test

• Realiability of such reports is still a major issue......


Actix Directory Hierarchy


Directories to notice

• StateForms

• Workspaces

• Reports

• Events

• Bin• Cellref• Custom Attributes


Directories to notice (2)

• StateForms• Contains predefined stateform definitions

• Workspaces• Contains predefined workspaces.

• Reports• Contains pre-defined reports for different

technologies/systems

• Events• Contain pre-defined event definitions


Actix User Training

Module 5

Additional information


Additional Information

• Tool Preferences

• Issues before starting

• Attributes

• Workspace

• Cellrefs structure modifications


Tool Preferences


Preferences Settings

• Menu bar Tool->Preferences


Settings Summary

Cellrefs• settings for cellrefs location and autoimport handling

WCDMA neighbour list• Neighbour list handling

General settings• Stream synchronisation• GPS interpolation• Distance Units• Time offsets• Data binning• general decode settings and scanner load mode settings• PCM link settings from Interface masurement handling• Agilent file specific handling settings• WCDMA (3GPP) emulated active set settings

• Used in CPICH pilot pollution analysis, SHO analysis, neighbour list analysis


Settings in detail

Cellrefs• File LocationSpecifies file location for cellrefs file for loading. The information from this

cellrefs file takes effect from the next time a new workspace is created. • Automatic Import Options to automatically import cellrefs file with a specified template. This

overrides above location/settings

WCDMA neighbour list• Neighbour list handling parameters

• Used in neighbour list analysis


Settings in detail

General settingsAuto Synch To Stream• Checked for automatically synchronizing all data views in the Workspace from selected stream.GPS interpolation• Provides automatic GPS interpolation of geographical drive test data points if location point difference exceeded.

Distance Units• Set distance units used

Time offsets• Provide offset adjustement for call trace files

BinningBinning Mode defines modes how data points are averaged. • Time, • Location, • Distance, • Message • associated particulars for each mode respectively

Decode Settings• how data from scanner are taken into account by the tool at load time• PCM link settings from INterface masurement handling• Agilent file specific handling settings• WCDMA (3GPP) emulated active set settings

• Used in CPICH pilot pollution analysis, SHO analysis, neighbour list analysis


Settings in detailDecode SettingsMinimum valid Signal Level (dBm)• Defines minimum level of valid RSSI sampleEc/Io Threshold for Delay (dB) • Used to calculate the threshold at which multipath components are counted in the delay

histograms for the Active, Candidate, Neighbor, and Remaining sets from the searcher finger data.

Scan Resolution (chips) • Defines how often measurements are reported, measured in chips.

Number of multipaths • Defines the number of multipaths that will be extracted and displayed in the Workspace

Explorer. Scanner Scan Resolution

• Defines how often scanner measurements are reported, measured in chips. Pilot Increment • Used to calculate the PN Offset (units of 64 chips) associated with the PN Phase (units of

chips) data reported in the CDMA air-interface messaging. PN Offset is calculated by dividing the PILOT_PN_PHASE by 64 and then rounding to the closest integer multiple of the PN increment entered. This feature forces all PN Offsets calculated to be part of a valid PN reuse plan.


Settings in detail

Decode SettingsToo Many Neighbors

• Threshold Defines the maximum number of entries in the eighbour lists. When eighbour list entries in the air interface messaging exceed this threshold, an event (TooManyNeighbors) is displayed in the Workspace Explorer and a warning message is indicated in the *.warning output file.

Weak Ec/Io Pilot Threshold

• Defines when the best server pilot has dropped beneath a tolerable threshold and is considered weak. This displays an event (WeakPilotAlert) in the Workspace Explorer and in the warning file. Display Cell Identity as Hex Check the box to display the Cell Identity (CI) in hexadecimal (rather than decimal) in the Message Browser.


Settings in detail

No of Frame Errors in a Burst

• Defines the size of a burst for Burst Error Rate calculations (time series parameter: For_FBER).

Searcher Threshold – not in useScanner Ec/Io Threshold (dB)

• Determines whether a multipath component may be evaluated and displayed in the Workspace Explorer. The Explorer will only display the top n multipaths, where n is the ‘Number of multipaths’.

Scanner Load Mode

• These options control the loading of scanner data (collected concurrently with network drive data) for certain vendors i.e. for CW scanners from Agilent, Comarco, or Tems RSAT.

Load Mode

No Scanner Data – Disables loading of scanner data.

Load TopN scanner data only – Loads just the 'top n' or 'best server' scanner data.

Load all scanner data – Loads all the scanner data.


Settings in detail

GSM Bands Used• GSM specific - Which GSM bands to load (time saving

PCM link • Load Mode

• This is used for PCM Link data such as A, Abis and Gb files.

• Minimal (default) – Only loads data produced by the currently attached Load Time Queries.

• Full – Loads the entire file.

• PCU Abis Vendor -- e.g. Nokia, Ericsson etc,etc

• Ainterface File Stsndard -- ITU or ANSI


Settings in detail

Agilent MDB• Show Agilent data selection dialog

• No to load all data from an Agilent file. • Yes to display the dialog when opening an Agilent file. The dialog allows

selection of specific data sets rather than loading the entire file. Further user can control intermediate file handling

Agilent SD5

• Show Agilent-specific attributes

EcIo Nth Best Sorting • Sort by EcIo Aggregate/EcIo Max


Settings in detail

WCDMA

• Parameters to emulate (3GPP) AS Results used in actix in CPICH pilot pollution analysis, SHO analysis, neighbour list analysi

Reporting Range Event1A/1B/1C (dB)

• Add/Remove/Replace cell

Hysteresis Event1A/1B/1C (dB)

• Add/Remove/Replace cell

Time to Trigger Event1A/1B/1C (ms)

• Add/Remove/Replace cell Max.

Active Set Size (up to 8)


Issues before starting


Before starting using actix

• Pre-processing of dt files

• Backup of configuration files

• Attributes


Pre-processing and backup of important data


Pre-processing of DT files

• Proprioity formats• TEMS proprority file format needs pre-exporting to text

file• Controlled with associated template file• Functionality of TEMS WCDMA

• Performance aspects• Files v. ram memory i.e. trade off that can limit

number of log files simultaneously open alt. size of log file

• Hence, different vendors, different log file size. • Scan file typically 10-400 Mb• Trace file – 10 – 50 Mb• Size dependent on measurement equipment number, equipment

settings and route length. • =========Worth consider e.g. route

length=========


Backup of configuration files

• Session file • here actix settings are stored e.g. preferences, which threshold

used, maps, map layers, map zoom (xml format)• If any changes suddenly makes actix hang, this is useful to

restore functionality, i.e. that you can start actix again !!!• <PATH>\Analyzer\Bin\AppSettings.dat

• cell ref file• Network configuration data (file is overwritten when changed!!)• <PATH>\Analyzer\Bin\CellRefs\cellrefs.txt

• threshold files• <PATH>\Analyzer\Bin\FormatGroups\UserSettings\• Directory empty until user make changes

• license file• <PATH>\Analyzer\Bin\lsrvrc


Attributes

• Attribute is actix concept of data items,

• An example is CPICH Ec/Io for best server

• An attribute can be • generic or• customised

• Attributes are stored as xml in either of these locations depending on origin

• <PATH>\Actix\Analyzer\Bin\Attributes

• <PATH>\Actix\Analyzer\Bin\CustomAttributes


Attributes

• Large amount of attributes, not all necessary at same time

• Utilisation of Favourites helps “filtering” attribute amount in workspace explorer


Workspace


Workspace

• The workspace constitutes all data display windows within the Actix application window, together with the panel on the left called the Workspace Explorer.

• Default is empty, except workspace explorer

• Saving workspace ===• Window layout and representation• Loaded data files• Queries• reports


Workspace

• Workspace provide a way to utilise different window / panels setups for streamlining work, e.g. not to open samel log files /windows all the time

NOTE!

Hence saving workspace saves also defined/used queries/reports.

If an entity is opened with a different definition than in the used workspace there is a risk of corruption of the workspace.

Example, a workspace with queries/reports of vendor A is open. Running a report from vendor B will give strange results and overwrite/corrupt quereis


Workspace

Actix soltion may have sets of generic workspaces and these are found in location

• <PATH>\Analyzer\Workspaces


Cellrefs structure modifications


Cellrefs structure modifications

• Cell ref structure modifications (how to add attributes to cell ref file, if working)

• Should be done with care / file backup necessary !!


Modifying CellRefs fields

• The strutcture of cellrefs is defined in • <PATH>\Nalalyzer\Bin\DefNetworkData.ini

• This file can be modified to reflect additional fields in Cellrefs file.

• Changes can then be displayed .e.g. on map as additional information.


DefNetworkData.ini Structure

• Comments (preceeded by ;)

• Network Elements section ([Network Elements])• Network elements and their corresponding field

names

• Fields section ([Fields])• Field definitions

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