Augmented telemetry using coupled magnetic resonances
View Patent ↗Systems and methods for passive and/or active wireless sensor networks with augmented telemetry using coupled magnetic resonances in accordance with embodiments of the invention are disclosed. In one embodiment, a wireless sensor network is provided, the wireless sensor network comprising a transmitter configured to couple with a reader, a receiver configured to couple with a sensor, wherein the sensor is configured to detect at least one parameter and generate sensor data, wherein the sensor data maps onto the receiver, and wherein the transmitter and the receiver are inductively coupled creating a link between the reader and the sensor.
1. A wireless sensor network, comprising:
a transmitter configured to couple with a reader, wherein the reader provides a multi-spectral readout;
a receiver configured to couple with a sensor, wherein the sensor is configured to detect at least one parameter and generate sensor data, wherein the sensor data maps onto the receiver;
wherein the transmitter and the receiver are inductively coupled creating a link between the reader and the sensor;
wherein the multi-spectral readout comprising a plurality of frequency peaks;
wherein the multi-spectral readout decouples the sensor data and a distance between the sensor and the reader; and
wherein the sensor data is generated using a summation of the plurality of frequency peaks and the distance between the sensor and reader is generated using a difference calculated between the plurality of frequency peaks.
2. The wireless sensor network of claim 1 , wherein the transmitter comprises a transmitter coil and the receiver comprises a receiver coil.
3. The wireless sensor network of claim 2 , wherein the reader comprises a coil and the reader and the transmitter coil are inductively coupled.
4. The wireless sensor network of claim 3 , wherein the reader and the transmitter coil are inductively coupled with a coupling strength coefficient of k 12 .
5. The wireless sensor network of claim 2 , wherein the sensor comprises at least one circular ring and the receiver coil is further configured to receive the sensor inside of the receiver coil to inductively couple the sensor and the receiver coil.
6. The wireless sensor network of claim 5 , wherein the sensor and the receiver coil are inductively coupled with a coupling strength coefficient of k 34 .
7. The wireless sensor network of claim 2 , wherein the transmitter coil and the receiver coil are configured coaxially.
8. The wireless sensor network of claim 2 , wherein the transmitter coil and the receiver coil are inductively coupled via magnetic resonance.
9. The wireless sensor network of claim 1 , wherein the inductive coupling of the transmitter coil and the receiver coil extends a range of the reader and the sensor.
10. The wireless sensor network of claim 1 , wherein the inductive coupling of the transmitter coil and the receiver coil creates a low-loss channel.
11. The wireless sensor network of claim 1 , wherein the transmitter coil and the receiver coil are inductively coupled with a coupling strength coefficient of k 23 .
12. The wireless sensor network of claim 11 , wherein the coefficient k 23 may be used to determine misalignment of the reader and the sensor.
13. The wireless sensor network of claim 1 , wherein the reader is connected to a vector network analyzer (“VNA”).
14. The wireless sensor network of claim 1 , wherein the sensor is an inductor-resistor-capacitor (“LRC”) resonator and the sensor data comprises a spectrum of frequencies.
15. The wireless sensor network of claim 14 , wherein the LRC resonator is configured to detect at least one chemical.
16. The wireless sensor network of claim 14 , wherein the LRC resonator is configured to detect at least one physical stimulus.
17. The wireless sensor network of claim 1 , wherein the sensor comprises a split-ring resonator.
18. The wireless sensor network of claim 17 , wherein the split-ring resonator comprises a multifunctional material-under-test (“MUT”) configured to detect at least one environmental parameter.