These
requirementsmay therefore potentially induce constraints to the
safety distance between the RFID reader and the human body
and put in question the true feasibility of some applications.
This issue has been investigated in [21], [29], and [35] with
soothing results. For example, Fig. 10(a) shows the map of
simulated6 rms electric field for the NightCare system emitting
3.2 W EIRP at a duty cycle of 20% (one interrogation per
second)