Using Winprop Broadcasting Systems Coverage … · Coverage Analysis of Broadcasting Systems Using Winprop® Digital TV and LTE Stephany Mackyne da S. Vieira

Coverage Analysis of Broadcasting Systems Using Winprop®Digital TV and LTE

Stephany Mackyne da S. Vieira

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PresentationThis guide was finalized in 2018 for the traineeship of Stephany Mackyne, student of Electrical Engineering at “Instituto Federal da Paraíba (IFPB)”. It was created to serve as a tutorial for the development of projects and discipline’s practices based on the use of Winprop ® software.In addition, it counted with contributions of the professors: Kesia C. S. Farias and Joabson Nogueira.On the following pages, a guide to the development of a TV Digital and 4G Wireless (LTE) coverage planning is divided in steps.

2Good work!

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Summary

• Step 1..............................................................................................04• Step 2..............................................................................................06• Step 3..............................................................................................08• Step 4..............................................................................................10• Step 5..............................................................................................13• Step 6..............................................................................................14• Step 7..............................................................................................17• Others Examples: “Mata do Amém”..............................................22• Others Examples: LTE Network.....................................................24• References…...................................................................................27



Step 1

4

Get geographical coordinates of the area you want to work with.

To begin, the basis for the project is needed, which are the topographic data, an essential step in the development of the next steps. These data are obtained from the site http://reverb.echo.nasa.gov/, from the marking of the desired region, in order to obtain the geographical coordinates.For this, the "Map" option is selected, for a better visualization; and for marking, the "Bounding Box" option.


http://reverb.echo.nasa.gov/


Step 1

5

Get geographical coordinates of the area you want to work with.

Clicking in the coordinate bar, the desired values appear, referring to north, south, east and west.



Step 2

6

Get map in ".tiff" format.

At http://gdex.cr.usgs.gov/gdex/,you have access to the database, from the map cut that will be downloaded. In the "Define Rectangle Area by Entering Coordinates" option, you enter the coordinates already obtained.


http://gdex.cr.usgs.gov/gdex/


Step 2

7

Get map in ".tiff" format.

And clicking the "Download Data for Defined Area" option will open the download window where the information below is updated:Product: ASTER Global DEM V2Format: Geo TIFFProjectio: Lat / LongResearch Area: Energy NOTE: Log in to the site to perform this step.



Step 3

8

Convert the database ".tiff" to the format supported by WinProp ".tdb".

Using the WallMan software, the "Convert Top Database" option in the "File" tab is chosen.And, in the window that opens, some fields are adjusted, as shown to the side.



Step 3

9

Convert the database ".tiff" to the format supported by WinProp ".tdb".

The zone is 25, according to the UTM coordinate system(Universal Transverse Mercator) and the region is South (S).



Step 4

10

Image Overlay in Google Earth.

Configure Google Earth so that it uses the coordinates in the UTM standard:

- Tools> Options> 3D View> Display lat / long> Universal Transverse Mercator. After this, it is used to mark the geographical points on the map, on the overlapped image, in order to obtain the coordinates of these points to perform the georeferencing in the next step.

- Add> Image Overlay.



Step 4

11


To adjust the image to the map, it is necessary to enter the geographic position values, referring to north, south, east and west, in UTM standard. It starts from there to mark the points on the map. In our example, we chose the location of the antenna, o “Parque Solon de Lucena” and the “Almeidão” Stadium.



Step 4

12


To add/mark a point on the map it is necessary to assign the coordinates, or simply drag to the desired point:

- Add> Placemark.



Step 5

13

Georeferencing of the image in QuantumGis.

In this process, the points marked in the previous step are used to make georeferencing on the map:- Plugin> Georeferencer. From this, the points are added by carefully locating the end of the marker so as to enter the coordinates of the map relating to them.

NOTE: After finishing this step, you should make a copy of the created ".wld" file and, in this copy, change its format to ".jgw", just by modifying the file name.



Step 6

14

Draw the outline of the forest in the overlay image taken from Google Earth.

Using Wallman, create a new database (Database) and open the figure that will be used for clipping:

- Images> Configuration> Add. In "Add", the file is used in ".jpg" format.And in "Load" the file is used in ".jgw".



Step 6

15


Shortly after, you can access:

Display> Goto Position.

To place the values of the x and y coordinates, acquiring them from the '' .wld '' file:

Click the file with the right button> Edit with Notepad ++.

This opens a window with some values and takes the last two, referring to x and y, respectively. And so it is placed in the coordinate fields.



Step 6

16


From there, using the "Add Polygonal Objects" button, draw the area that will be used; in this case, the area of the forest. And then, select the vegetation area in "Enter Vegetation".

Finally, we exclude the background image, to have only the design of the forest:

- "BMP" button> Delete.



Step 7

17

Simulation on Proman.

A new project is opened ("New Project"), clicking on the option "Propagation only", "Urban scenarios", marking the box below and entering with files of the database ("Database").

The first is the ".odb" file and the second is ".tdb". And when you give "OK", the height is specified in 15 m.



Step 7

18


With this, the following image appears next.

Click on the "Project", "Prediction area" and "Prediction area (rectangle): draw" tab.

After this, click on "Project", "Edit parameter".In the "Propagation" tab mark "Field Strength".

In the "Sites"> "Add"> "OK" tab and enter values of antenna location, height and name.



Step 7

19


Select the antenna and click "Edit"> refresh frequency and power rate data."Computation"> "Prediction model: Dominant Path Model".

Tab "File"> "Export"> "Export Projects"> "OK".

To simulate, tab "Computation" or "Run Pro" button in the tool column on the left.



Step 7

20


Power Distribution (dBm)

Okay, the simulation of your coverage planning is done!For more functions, explore program tools.



Step 7

21


Probability of Signal Interruption

According to the minimum power received (-77dBm) required for signal decoding and defined in the Brazilian digital television standard (ABNT NBR 1504), the calculated signal interruption probability was 24.3%.



Others Examples: “Mata do Amém”

22

Simulation with the influence of new vegetation region.

See, the graph below defines the power loss along a radial, plotted from the antenna location.

Radial 1: 7 km from source to region of intense vegetation.



Others Examples: “Mata do Amém”

23

Simulation with the influence of new vegetation region.

See, the graph below defines the power loss along a radial, plotted from the antenna location.

Radial 2: 4 km from source to region of intense vegetation.



Others Examples: LTE Network

24

Simulation of 4G mobile phone network with the influence of buildings.

City of Munich - Germany (simulation with 3 sites)

Power distribution (dBm)

Note: For the simulation of mobile telephony, the same steps applied for Digital TV are used, only the technical information assigned in the Proman is changed.

4G




25

Simulation of 4G mobile phone network with the influence of buildings.

City of Munich - Germany (simulation with 3 sites)

Probability of Interruptionof the Signal - Graph of the cumulative distribution function in the scenario approached.

4G



26

Simulation of 4G mobile phone network with the influence of buildings.4G

Transmission Technique OFDM

Multiple Access FDD

Frequency 2,6 GHz

Bandwidth 20 MHz

MIMO 2 x 2

Modulations QPSK, 16-QAM e 64-QAM

Transmitter Power 43 dBm

Transmitter Power (mobile station) 23 dBm

References

27

ABNT NBR 1504 Digital terrestrial television Receivers, 2007.

NASCIMENTO, et al. Estudo de Planejamento de Transmissão do Sistema de Telefonia Móvel 4G. Congresso Brasileiro de Educação em Engenharia, 42., 2014. Juiz de Fora, MG.

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VIEIRA, S. M. S, et al. Estudo de Caso: Planejamento de Cobertura de um Sistema de Radiodifusão de Televisão Digital Terrestre em Ambientes com Florestas. Congresso Brasileiro de Educação em Engenharia, 42., 2014. Juiz de Fora, MG.

[email protected]@ee.ufcg.edu.br

https://www.linkedin.com/in/stephany-mackyne-6302645a/

Contact, doubts or suggestions:


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Using Winprop Broadcasting Systems Coverage … · Coverage Analysis of Broadcasting Systems Using Winprop® Digital TV and LTE Stephany Mackyne da S. Vieira