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using radio's output power indicator to calculate transmission/interference range 

(for now scaling with indicator)
This commit is contained in:
fros4943 2006-10-05 14:51:35 +00:00
parent c1a93baa28
commit ddb3726e7f
1 changed files with 27 additions and 7 deletions
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34
tools/cooja/java/se/sics/cooja/radiomediums/StandardRadioMedium.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: StandardRadioMedium.java,v 1.4 2006/10/05 08:19:41 fros4943 Exp $ * $Id: StandardRadioMedium.java,v 1.5 2006/10/05 14:51:35 fros4943 Exp $
*/ */
package se.sics.cooja.radiomediums; package se.sics.cooja.radiomediums;
@ -240,11 +240,20 @@ public class StandardRadioMedium extends RadioMedium {
int x = pixelCoord.x; int x = pixelCoord.x;
int y = pixelCoord.y; int y = pixelCoord.y;
// Fetch current output power indicator (scale with as percent)
// TODO Probably not the best way to use indicator
double moteInterferenceRange = INTERFERENCE_RANGE
* (0.01 * (double) selectedMote.getInterfaces().getRadio()
.getCurrentOutputPowerIndicator());
double moteTransmissionRange = TRANSMITTING_RANGE
* (0.01 * (double) selectedMote.getInterfaces().getRadio()
.getCurrentOutputPowerIndicator());
Point translatedZero = transformPositionToPixel(0.0, 0.0, 0.0); Point translatedZero = transformPositionToPixel(0.0, 0.0, 0.0);
Point translatedInterference = transformPositionToPixel( Point translatedInterference = transformPositionToPixel(
INTERFERENCE_RANGE, INTERFERENCE_RANGE, 0.0); moteInterferenceRange, moteInterferenceRange, 0.0);
Point translatedTransmission = transformPositionToPixel( Point translatedTransmission = transformPositionToPixel(
TRANSMITTING_RANGE, TRANSMITTING_RANGE, 0.0); moteTransmissionRange, moteTransmissionRange, 0.0);
translatedInterference.x = Math.abs(translatedInterference.x translatedInterference.x = Math.abs(translatedInterference.x
- translatedZero.x); - translatedZero.x);
@ -302,8 +311,9 @@ public class StandardRadioMedium extends RadioMedium {
private boolean isTickObserver = false; private boolean isTickObserver = false;
private static double TRANSMITTING_RANGE = 20; // 20m // Maximum ranges (SS indicator 100)
private static double INTERFERENCE_RANGE = 40; // 40m private static double TRANSMITTING_RANGE = 50;
private static double INTERFERENCE_RANGE = 100;
private class RadioMediumObservable extends Observable { private class RadioMediumObservable extends Observable {
private void transmissionStarted() { private void transmissionStarted() {
@ -375,7 +385,17 @@ public class StandardRadioMedium extends RadioMedium {
double distance = newSendingPositions.get(sendNr).getDistanceTo( double distance = newSendingPositions.get(sendNr).getDistanceTo(
registeredPositions.get(listenNr)); registeredPositions.get(listenNr));
if (distance <= TRANSMITTING_RANGE) { // Fetch current output power indicator (scale with as percent)
// TODO Probably not the best way to use indicator
double moteInterferenceRange = INTERFERENCE_RANGE
* (0.01 * (double) sendingRadio
.getCurrentOutputPowerIndicator());
double moteTransmissionRange = TRANSMITTING_RANGE
* (0.01 * (double) sendingRadio
.getCurrentOutputPowerIndicator());
if (distance <= moteTransmissionRange) {
lastTickConnections[sendNr].addDestination(registeredRadios lastTickConnections[sendNr].addDestination(registeredRadios
.get(listenNr), registeredPositions.get(listenNr), .get(listenNr), registeredPositions.get(listenNr),
dataToSend); dataToSend);
@ -388,7 +408,7 @@ public class StandardRadioMedium extends RadioMedium {
// .. send packet // .. send packet
listeningRadio.receivePacket(dataToSend, sendingRadio.getTransmissionEndTime()); listeningRadio.receivePacket(dataToSend, sendingRadio.getTransmissionEndTime());
} }
} else if (distance <= INTERFERENCE_RANGE) { } else if (distance <= moteInterferenceRange) {
// If close enough to sabotage other transmissions.. // If close enough to sabotage other transmissions..
listeningRadio.interferReception(sendingRadio.getTransmissionEndTime()); listeningRadio.interferReception(sendingRadio.getTransmissionEndTime());
} }