Compact Dual-Band On-Body Near Field Antenna With Reflector for Measuring Deep Core Temperature

Compact Dual-Band On-Body Near Field Antenna With Reflector for Measuring Deep Core Temperature

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Human deep core temperature is a vital health condition parameter.Human body temperature change begins from the deep core followed by change in skin temperature.Measuring deep core temperature is the first action for rapid detection of health condition.Infrared thermometer can measure temperature; however, the only measures the skin temperature.

The here use of microwave radiometer for measuring deep core temperature has garnered attention.The antenna, an important component of the microwave radiometer, has rarely been focused upon in studies on measurement of deep core temperature.This study proposed compact dual-band on-body near field antenna with a reflector for measuring deep core temperature using a microwave radiometer.The proposed antenna size is 13 mm $oldsymbol { imes },,13$ mm with a 20 mm $oldsymbol { imes },,20$ mm reflector 3 mm above the radiator.

The proposed antenna was simulated and designed on a full 3D body model and simplified flat phantom and measured on real human wrist.It achieved sufficient bandwidth and volume loss density can be hiboost 4k smart link used in microwave radiometers for measuring deep core temperature.