MODIFY TRANSMISSION RANGE IN NS-2

For changing the transmisson range you should do the following steps.

Modified folder: ns-2/mac/channel.cc
1.Some parameters calculation are reduced and those are shown RED BOLD letters.

……
void
WirelessChannel::calcHighestAntennaZ(Phy *tifp)
{
……
highestAntennaZ_ = highestZ/5;//Divide 5
WirelessPhy *wifp = (WirelessPhy *)tifp;
distCST_ = wifp->getDist(wifp->getCSThresh(), wifp->getPt(),
0.1, //REDUCE 1 to 0.1
0.1, //REDUCE 1 to 0.1
highestZ/2 , highestZ/2, wifp->getL(),
wifp->getLambda());
}

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