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Antenna pattern dialog window

This function is used to describe the radiation patterns of antennas. In the scenario definition windows, each transmitter and receiver of both victim and interfering links has a tab "Antenna", which allows to define antenna parameters:

By default all antennas have 0 dBi gain and are non-directional, i.e. not having any directivity patterns associated. Depending on the type of transceiver antenna to be described in the scenario, the user may define it by modifying the antenna gain and activating one or more of radiation patterns (e.g. user may feel it sufficient to activate horizontal pattern, but if the vertical discrimination is important, both vertical and horizontal patterns could be activated as well):

• Antenna Peak Gain: describes peak antenna gain, i.e. gain in the direction of maximum radiation (main lobe), defined in dBi;

• Horizontal pattern: describes the antenna radiation pattern in horizontal plane, defined by pairs (φ, gH(φ)), where φ (deg, range 0...+360) describes the angular offset in horizontal plane with relation to the direction of maximum radiation, and gH(φ) describes the relative gain, related to the antenna maximum peak gain. Note that gH(φ) values should be negative. Note that the antenna pattern range definiton for CDMA has been modified to match the antenna patterns specified by 3GPP (deg, range -180...+180);

• Vertical pattern: describes the antenna radiation pattern in vertical plane, defined by pairs (θ, gV(θ)), where θ (deg, range -90...+90) describes the angular offset in vertical plane with relation to the direction of maximum radiation, and gV(θ) describes the relative gain, related to the antenna maximum peak gain. Note that gV(θ) values should be negative;

• Spherical pattern: describes the antenna spherical radiation pattern, defined by pairs (Φ, gS(Φ)), where Φ (deg, range 0...+180) describes the spherical angle, and gS(Φ) describes the relative gain, related to the antenna maximum peak gain. Note that gS(Φ) values should be negative.

To define the antenna patterns, dialog windows similar to those used to enter the Function are used. However the important difference is that antenna pattern dialog windows do not allow to set Constant parameters, and they have two displays to present the entered data - the usual XY plane, and the Polar display. These are illustrated by two respective pictures below.

Defining antenna pattern, using XY coordinates system:

Defining antenna pattern, using Polar coordinates system:

The data entry, import/export functions work similarly as described in the Function dialog windows.