osd-contiki/tools/cooja/java/se/sics/cooja/interfaces/DirectionalAntennaRadio.java
Fredrik Osterlind eb84fbeb79 * bugfixed and rewrote MRM to improve configurability
* improved MRM GUI, including MRM visualizer skin that shows prr and rss
* added experimental support for directional antennas
2011-11-01 11:37:19 +01:00

66 lines
2.5 KiB
Java

/*
* Copyright (c) 2011, Swedish Institute of Computer Science. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions in
* binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of the
* Institute nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package se.sics.cooja.interfaces;
/**
* Directional antenna.
*
* @see MRM
* @author Fredrik Osterlind
*/
public interface DirectionalAntennaRadio {
/**
* @return Current direction (radians). Typically direction 0 has the maximum
* relative gain.
*
* @see #getRelativeGain(double)
*/
public double getDirection();
/**
* Relative gain (dB) as compared to an omnidirectional antenna.
* Note that the given angle is relative to the current direction!
*
* @see #getDirection()
* @param radians Angle relative to current direction
* @param distance Distance from antenna
* @return
*/
public double getRelativeGain(double radians, double distance);
public void addDirectionChangeListener(DirectionChangeListener l);
public void removeDirectionChangeListener(DirectionChangeListener l);
public interface DirectionChangeListener {
public void newDirection(DirectionalAntennaRadio radio, double direction);
}
}