Ejemplo1 en EPN Mayo 2008 Iván Bernal, Iván Bernal, Ph P. h D..

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1 Ejemplo1 en EPN 67 Ejemplo1 en EPN 68 1

Ejemplo1 en EPN 69 Ejemplo2 Depending on how you plan on using Radio Mobile you may only need a

2 Ejemplo1 en EPN 69 Ejemplo2 Depending on how you plan on using Radio Mobile you may only need a single network with a single system or you may need several different networks with many different systems. The figures you see in the various fields are based on equipment available from Young Design, Inc. based in Fall Church, VA. They specialize in license-exempt wireless equipment Young Design, Inc. ("YDI"), a world leader in extended range solutions utilizing i b wireless LAN technology

3 Ejemplo 2 71 Ejemplo2 72 3

Ejemplo2 73 Ejemplo2 Antenna heights: CPE and Bridge

Antenna gains 12dBi omni for the Access Point 24dBi

4 Ejemplo2 73 Ejemplo2 Antenna heights: CPE and Bridge are set at 20 feet (6.6m) Access Point is set to 49 feet (15m.) Cable loss is calculate using Times Microwave LMR-400. Antenna gains 12dBi omni for the Access Point 24dBi grid dish for the CPE 18dBi patch for the bridge Again, these are only examples for demonstration purposes. 74 4

5 Ejemplo2 75 Ejemplo2 76 5

6 Ejemplo2 77 Ejemplo2 78 6

7 Ejemplo2 79 Ejemplo2 80 7

8 Ejemplo3 - Plotting a Point-to 81 Ejemplo3 - Plotting a Point-to 82 8

9 Ejemplo3 - Plotting a Point-to 83 Ejemplo3 - Plotting a Point-to 84 9

Ejemplo3 - Plotting a Point-to Option->Elevation Data Where 'Elevation data in Memory' is used, the Radio Link distances are

'Performance test' first before setting the Max No. of records to use.

10 Ejemplo3 - Plotting a Point-to Option->Elevation Data Where 'Elevation data in Memory' is used, the Radio Link distances are calculated using Cartesian geometry - ground to ground - so the errors increase with the path length, and antenna height has no effect. 85 Ejemplo3 - Plotting a Point-to If you have a fast machine, you can use 'Extract elevation data directly from database', but do a 'Performance test' first before setting the Max No. of records to use. (The height data requires to be uncompressed to use this feature). With 'Extract Elevation Data directly from the Database', the calculations use spherical (Great Circle) geometry. In this case the reported distance is between the antennas, so it will vary with antenna height. This mode should be used in Microwave studies

Ejemplo3 - Plotting a Point-to Next click on File and select Unit Properties.

" This is not necessary although it removes a little clutter from the screen.

These are the endpoints of the point-to-point link.

11 Ejemplo3 - Plotting a Point-to Next click on File and select Unit Properties. Turn off the CPE and Access Point units by clearing the check from the box next to "Enabled." This is not necessary although it removes a little clutter from the screen. You should now see two icons labeled Bridge1 and Bridge2 overlayed on the map. These are the endpoints of the point-to-point link. To see a profile of the radio link click on Tool and select the first option, radio link. Under the view menu you can select an option to swap the endpoints of the link to see how the terrain effects the link in both directions. If you would like to export the plot to RmPath click on edit, select export to and then select RmPath 87 Ejemplo3 - Plotting a Point-to 88 11

12 Ejemplo3 - Plotting a Point-to Note that this does not take tree coverage or buildings into consideration. This is a view of the link over flat terrain. 89 Ejemplo3 - Plotting a Point-to Agregar una estación en la zona de sombra 90 12

13 Ejemplo3 - Plotting a Point-to Agregar una estación en la zona de sombra 91 Ejemplo3 - Plotting a Point-to Agregar una estación en la zona de sombra 92 13

14 Ejemplo3 - Plotting a Point-to 93 3D 94 14

3D 95 Resumen A radio station is referred to as a Unit, there can be numerous Units defined

Each different type of Unit used in a network has to be defined with a separate Radio

Transmit Power/receiver sensitivity/antenna gain/antenna height/cable losses.

15 3D 95 Resumen A radio station is referred to as a Unit, there can be numerous Units defined to operate within a given Network. Each different type of Unit used in a network has to be defined with a separate Radio Operating System specification, this sets up the radio parameters for that type of station Transmit Power/receiver sensitivity/antenna gain/antenna height/cable losses. Thus each Unit will be allocated to an operating system specification within the network. Finally, all units are given a Role, which is either Command or Subordinate

16 Resumen UNIT This is an actual radio station which can be placed on the map, its radio performance specification is given by its allocated Operating SYSTEM. SYSTEM SYSTEM A set of specific parameters defining the performance of a particular type of radio station. NETWORK NETWORK A specified group of stations which are required to intercommunicate

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