def performGainMeasurement():
#You can do a gain measurement at any time you want. You can save the results in a file if you want to check them later
#You have to specify the coordinator_id , transmitter's node id, receiver's node id
#Optional you can specify at which frequency to measure(2420Mhz default) , to or not to save the results, and how long should the generator transmit a signal (recommended to be at least 5 seconds, default value=10)
gain = GainCalculations.calculateInstantGain(10001, 25, 2, measuring_freq=2422e6, saveresults=False, transmitting_duration=5)
#returned gain is in linear scale.
print gain
print "%.3f dB" %(10.00*math.log10(gain))
def measureGains(self):
# takes instant channel gains, it does not apply any filter or anything else
# measure direct gain
self.direct_gain = GainCalculations.calculateInstantGain(
self.coordinator_id,
self.tx_node.node_id,
self.rx_node.node_id,
measuring_freq=2420e6,
saveresults=False,
transmitting_duration=4,
)
# measure cross gain
self.cross_gain = GainCalculations.calculateInstantGain(
self.coordinator_id,
self.neighbor_player.tx_node.node_id,
self.rx_node.node_id,
measuring_freq=2420e6,
saveresults=False,
transmitting_duration=6,
)
