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Use TEMS Investigation to collect air interface data
Use TEMS Investigation to identify/investigate air interface problem
Use TEMS in post-processing
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4. Preparation & Customizing TEMS Investigation
5. Connecting External Equipment
8. Post Processing Data
Contents
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Data Logging
Frequency Scanning
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Tree scheme interface navigate all module (menu, info elemen, sheet).
Activate by double click or select & drag
Menu
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Once modified, affect to presentation of those IE unto map
Color
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Geographical presentation.
You may put almost all available info element & event using customized range value, color, symbol, etc.
Cell database and carrier thematic can be loaded on this module.
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Down unto per-log-file or cell level.
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Info Element
Serving and Neighbors shows information such as Cell name, BSIC, ARFCN, RxLev, C1 and C2, about the current serving cell and its six strongest neighbors.
Radio Parameter: This window contains information about the radio environment.
Current Channel: This window shows information elements that are related to the channel, which for the time being is used. Here you can get information about CGI, BSIC, BCCH ARFCN etc.
C1=(A-Max(B,0))
MS_TXPower_Max_CCH=
C2=+CRESOFF (depend) Penalty Time (related to Hierarchical Cell Structure)
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Info Element
C/A: This window shows the level of interference from adjacent channels.
C/I is meant the carrier-to-interference ratio, that is the ratio between the useful part of the signal strength and the sum of the signal strengths of the undesired (interfering) signal components.
Line Chart: This window shows almost all information elements that are related to serving, neighbor and radio situation in chart format.
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Preparation & Customizing TEMS
Setup a workspace
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Setup a workspace
A. Default Workspace:
C:\Documents and Settings\<NAME>\My Documents\TEMS Product Files\TEMS Investigation 6.0\Workspaces
B. User Defined Workspace:
View > Navigator (if not available).
Worksheet > New Worksheet (n times).
Double click on the sheet tab to rename the sheet name.
Suggested Sheet Name for GSM: Map, Signaling, Scan, Ctrl&Config.
On Map put windows: Map, Current Channel, Radio Parameter, Serving + Neighbor, Line Chart.
On Signaling put windows: Layer3 Message, Event, Mode Report.
On Scan put: Scanner Bar Chart.
On Ctrl&Config.: Command Sequence, Handset Control, Channel Verification, Audio Indication.
> All windows can be created by double click or dragging item from Navigator > Menu
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File > New Workspace.
2. View > Navigator (if not available).
3. Suggested Sheet Name for GSM: Map, Signaling, Scan, Ctrl&Config.
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4. On Map put windows: Map, Current Channel, Radio Parameter, Serving + Neighbor, Line Chart.
Click & drag
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5. If all windows have completely loaded, save the workspace.
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Cell Data Sample
Cell Data Format
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Map data preparation
There are many way to present GSM/DCS site geographically, but at least:
Manual creation as a line object on mapinfo
Automatic creation within TEMS Investigation 6.0 using theme of Cell file
Map data means: site data + other useful mapping data such as road, street,
building, land contour, etc.
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- GeoSet Manager looks and works much like the Map Window.
- Changes made in the Map window cannot be saved.
Changes made using the GeoSet Manager can be saved to the GeoSet (*.gst) file
associated with the map.
Creating geoset file can be done on the following step:
Open a GeoSet Manager window
To create new one, cancel open window
Change GeoSet name on the available box
Activate layer control icon and load some necessary map data
Shown Label (site name) have to be put on the first column
Select site layer > check Automatic Labels on the properties group
If all data have been loaded, save the GeoSet using the name on point 3
When you have your own GeoSet file, you may open it on the map window
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Customizing map presentation (1)
After a GeoSet file successfully loaded unto map window, we may customize it
using available theme setting. By default there will be some layers on the map:
Coverage Layer
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Click “Add Theme” on selected layer to add thematic data
Choose fixed size and symbol
Change this setting using: Navigator > Info Element > GSM/CDMA > …
Color/Range/Symbol
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Customizing Predefined Windows (6)
These changes are easily performed by right-clicking the predefined window you want to modify.
Then click properties and perform the changes via the tabs in each window respectively.
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Connecting External Equipment
Enabling/Addition equipment
Connecting/Disconnecting equipment
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Plugging In Equipment
Before plugging in any external equipment, please ensure to install required driver (i.e. GPS, USB Hub)
Attached dongle license to do this procedure
Sony Ericsson GSM phones can alternatively connect by means of a dual port serial cable (TEMS & DATA)
Usually we need Serial-to-USB cable/connector to connect MS to laptop
If number of available serial port on the computer is limited, try to use USB Hub.
All equipment are in ‘powered on’ status
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Connecting/Disconnecting Equipment
Before plugging in any external equipment, please ensure to install required driver (i.e. GPS, USB Hub)
Attached dongle license to do this procedure
Sony Ericsson GSM phones can alternatively connect by means of a dual port serial cable (TEMS & DATA)
Usually we need Serial-to-USB cable/connector to connect MS to laptop
If number of available serial port on the computer is limited, try to use USB Hub.
All equipment are in ‘powered on’ status
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Preparing Command Sequence
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On Handset Control > right click > properties
idle
dedicated
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5. Replaying Log-file
6. Replay Properties
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7. Export Log-file
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51-87, 574-610
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Sort by increasing ARFCN
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Requires:
MS2 as Scanning for neighbor and others
Good candidate neighbor but not registered
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Serving ARFCN (hopped)
Adjacent ARFCN +/-1
Adjacent ARFCN +/-2
Suitable for Hopping Network rather than C/A which is delivered using “C/i-C/A” via tab Phone Property.
Avoid misleading in receiving data if it taken by Master Phone (old method).
Requires:
MS2 as Scanning for adjacent ARFCN
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Post Processing Data
Binning
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Generating Report (1)
Selected I.E.
T1,T2: Threshold
Change Threshold
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On the map window, click Add/Edit Theme
Choose I.E., configure symbol & size on Coverage or RF Quality Layer
Configuring range value on Navigator > Info Element
Choose Event and configure its symbol and size
Other information might be added as required (site, street, etc)
Displaying some I.E. on the same map is allowed. Add offset value so not overlap
Don’t forget to select device (MS1, MS2)
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Open logfile & perform Fast Replay
When it’s finish, click Statistic Tool and Select Rectangle Region
The result are plot of selected I.E. and Event, additional Info, Legend and Graph
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I insert classification level
Combat Bonang-18675S 6.841907*E 110.571268*5101055111090
Combat Bonang-26475S 6.841907*E 110.571268*510105511212090
Combat Bonang-35975S 6.841907*E 110.571268*510105511324090
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