/**
* The constructor for the <code> Transmission </code> class creates a new transmission with
* several properties like start and end times, first and last bit to be transmitted and the
* data itself.
*
* @param o Transmitter object
* @param pow Power for the transmission
* @param freq the frequency for the transmission
*/
protected Transmission(Transmitter o, double pow, double freq) {
origin = o;
power = pow;
Pt = pow;
f = freq;
start = o.clock.getCount();
end = Long.MAX_VALUE;
long l = start + o.leadCycles;
firstBit = origin.getBitNum(l);
lastBit = Long.MAX_VALUE;
data = new byte[Arithmetic.roundup(o.medium.maxLength, BYTE_SIZE)];
}
