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setting UDGM signal strength depending on distance

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This commit is contained in:
fros4943 2007-05-18 15:17:11 +00:00
parent af0fcc9be5
commit 1937e663ad
1 changed files with 10 additions and 4 deletions
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14
tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: UDGM.java,v 1.3 2007/03/23 21:06:23 fros4943 Exp $ * $Id: UDGM.java,v 1.4 2007/05/18 15:17:11 fros4943 Exp $
*/ */
package se.sics.cooja.radiomediums; package se.sics.cooja.radiomediums;
@ -79,7 +79,9 @@ public class UDGM extends AbstractRadioMedium {
public static final double SS_NOISE = -60; public static final double SS_NOISE = -60;
public static final double SS_OK = 0; public static final double SS_OK_BEST = 0;
public static final double SS_OK_WORST = -30;
/** /**
* Visualizes radio traffic in the UDGM. Allows a user to * Visualizes radio traffic in the UDGM. Allows a user to
@ -415,9 +417,13 @@ public class UDGM extends AbstractRadioMedium {
// Set signal strength on all OK transmissions // Set signal strength on all OK transmissions
for (RadioConnection conn : getActiveConnections()) { for (RadioConnection conn : getActiveConnections()) {
conn.getSource().setCurrentSignalStrength(SS_OK); conn.getSource().setCurrentSignalStrength(SS_OK_BEST);
for (Radio dstRadio : conn.getDestinations()) { for (Radio dstRadio : conn.getDestinations()) {
dstRadio.setCurrentSignalStrength(SS_OK); double dist = conn.getSource().getPosition().getDistanceTo(dstRadio.getPosition());
double distFactor = dist/TRANSMITTING_RANGE;
distFactor = distFactor*distFactor;
double signalStrength = SS_OK_BEST + distFactor*(SS_OK_WORST - SS_OK_BEST);
dstRadio.setCurrentSignalStrength(signalStrength);
} }
} }