Systems for health monitoring using radio waves that include collocated RF components
A device for monitoring a health parameter of a person is disclosed. The device includes a semiconductor substrate including at least one transmit component and multiple receive components, at least one transmit antenna configured to transmit millimeter range radio waves over a 3D space below the skin surface of a person, and multiple receive antennas configured to receive radio waves, the received radio waves including a reflected portion of the transmitted radio waves, wherein the semiconductor substrate includes circuits for processing signals received on the multiple receive antennas, wherein the semiconductor substrate includes at least one output configured to output a signal that corresponds to a health parameter of a person in response to received radio waves, and wherein the at least one transmit antenna is collocated with the at least one transmit component and the multiple receive antennas are collocated with respective ones of the multiple receive components.
1. A device for monitoring a health parameter of a person, the device comprising:
a single semiconductor substrate including:
a frequency synthesizer circuit configured to generate electromagnetic energy;
a transmit component that includes a transmit antenna interface and an amplifier, wherein the transmit component is electrically connected to the frequency synthesizer;
antenna-specific receive components that each include a receive antenna interface, an amplifier, a mixer, and an analog-to-digital converter;
digital signal processing circuits for processing signals received from the antenna-specific receive components; and
an input/output (I/O) interface configured to output digital data from the digital signal processing circuits that corresponds to a health parameter of a person;
wherein the transmit antenna interface of the transmit component is collocated on the single semiconductor substrate with the amplifier of the transmit component;
wherein each of the receive antenna interfaces of the antenna-specific receive components is collocated on the semiconductor substrate with corresponding antenna-specific amplifiers, mixers, and analog-to-digital converters of the antenna-specific receive components; and
wherein the single semiconductor substrate is rectangular in shape and wherein the antenna-specific receive components are located at opposite corners of the single semiconductor substrate.
2. The device of claim 1 , wherein the frequency synthesizer circuit is configured to generate electromagnetic energy in a frequency range of 122-126 GHz.
3. The device of claim 1 , wherein the single semiconductor substrate has dimensions of no more than 7 mm by 7 mm.
4. The device of claim 1 , wherein the health parameter is a blood glucose level.
5. The device of claim 1 , wherein the health parameter is a blood pressure.
6. The device of claim 1 , wherein the health parameter is a heart rate.
7. A wearable device including the device of claim 1 .
8. A device for monitoring a health parameter of a person, the device comprising:
a single semiconductor substrate including:
a frequency synthesizer circuit configured to generate electromagnetic energy;
a first transmit component that includes a transmit antenna interface and an amplifier, wherein the first transmit component is electrically connected to the frequency synthesizer;
a second transmit component that includes a transmit antenna interface and an amplifier, wherein the second transmit component is electrically connected to the frequency synthesizer;
a first antenna-specific receive component that includes a receive antenna interface, an amplifier, a mixer, and an analog-to-digital converter;
a second antenna-specific receive component that includes a receive antenna interface, an amplifier, a mixer, and an analog-to-digital converter;
a third antenna-specific receive component that includes a receive antenna interface, an amplifier, a mixer, and an analog-to-digital converter;
a fourth antenna-specific receive component that includes a receive antenna interface, an amplifier, a mixer, and an analog-to-digital converter;
digital signal processing circuits for processing signals received from the first, second, third, and fourth antenna-specific receive components; and
an input/output (I/O) interface configured to output digital data from the digital signal processing circuits that corresponds to a health parameter of a person;
wherein the transmit antenna interface of the first transmit component is collocated on the single semiconductor substrate with the amplifier of the first transmit component;
wherein the transmit antenna interface of the second transmit component is collocated on the single semiconductor substrate with the amplifier of the second transmit component;
wherein the receive antenna interface of the first antenna-specific receive component is collocated on the single semiconductor substrate with the amplifier, the mixer, and the analog-to-digital converter of the first antenna-specific receive component;
wherein the receive antenna interface of the second antenna-specific receive component is collocated on the single semiconductor substrate with the amplifier, the mixer, and the analog-to-digital converter of the second antenna-specific receive component;
wherein the receive antenna interface of the third antenna-specific receive component is collocated on the single semiconductor substrate with the amplifier, the mixer, and the analog-to-digital converter of the third antenna-specific receive component;
wherein the receive antenna interface of the fourth antenna-specific receive component is collocated on the single semiconductor substrate with the amplifier, the mixer, and the analog-to-digital converter of the fourth antenna-specific receive component; and
wherein the single semiconductor substrate is rectangular in shape and wherein the first, second, third, and fourth antenna-specific receive components are located at opposite corners of the single semiconductor substrate.
9. The device of claim 8 , wherein the frequency synthesizer circuit is configured to generate electromagnetic energy in a frequency range of 122-126 GHz.
10. The device of claim 8 , wherein the single semiconductor substrate has dimensions of no more than 7 mm by 7 mm.