In artificial ventilation of neonates uncuffed endotracheal tubes are commonly used. The unknown leakage hampers the detection of spontaneous breathing. A new method to measure respiration by using antennae has recently been presented. A respective setup is investigated numerically and experimentally. Both approaches show that the method seems capable of allowing a contactless triggering to synchronize ventilation. The results are compared to derive a better understanding of influencing factors.

In this paper two different antenna topologies for improving the heart beat and breathing detection of people in their homes is shown. A radar system including these antennas for imaging with digital beamforming algorithms has been developed and presented. Measurements are executed and given in this paper with a conclusion.