Systems and methods for sensors with multimode wireless communications and for enabling NFC communications with a wearable biosensor

1. A system comprising:

a biosensor applicator comprising:

a housing defining a cavity configured to receive and physically couple to a biosensor device, and to apply the biosensor device to a wearer;

an applicator coil antenna oriented around a first axis; and

a biosensor device comprising:

a biosensor coil antenna;

a first wireless transceiver electrically coupled to the biosensor coil antenna;

a Bluetooth antenna; and

a second wireless transceiver coupled to the Bluetooth antenna;

wherein the biosensor device is physically coupled to the biosensor applicator and positioned at least partially within the cavity; and

wherein the applicator coil antenna is configured to wirelessly receive electromagnetic (“EM”) energy from a remote coil antenna and wirelessly provide at least a first portion of the received EM energy to the biosensor coil antenna.

2. The system of claim 1 , wherein the biosensor device further comprises a processor configured to:

receive, from the first wireless transceiver, data signals from a remote device via the applicator coil antenna, the data signals comprising Bluetooth authentication information;

compare the Bluetooth authentication information to device information associated with the biosensor device; and

enable a Bluetooth network connection to the remote device based on the Bluetooth authentication information.

3. The system of claim 2 , the biosensor device further comprising a biosensor and a memory configured to store sensor data from the biosensor, and wherein the processor is further configured to:

determine a level of access of a plurality of levels of access to sensor data stored in the memory based on the data signals; and

control access by the remote device to the sensor data stored in the memory based on the level of access.

4. The system of claim 3 , wherein the plurality of levels of access comprise a user access level, a healthcare provider access level, and a caretaker access level.

5. The system of claim 4 , wherein:

the user access level enables access to real-time sensor data; and

the health care provider access level enables access to historical sensor data and access to calibrate or recalibrate the biosensor.

6. The system of claim 1 , wherein applicator coil antenna is a first applicator coil antenna, and wherein the biosensor applicator further comprises:

a second applicator coil antenna positioned substantially coaxially with respect to the first applicator coil antenna,

wherein the second applicator coil antenna is configured to wirelessly receive electromagnetic (“EM”) energy from a transmitter coil antenna of a remote device and provide at least a first portion of the received EM energy to the first applicator coil antenna.

7. The system of claim 1 , wherein the biosensor device is a continuous glucose monitor.

8. The system of claim 1 , wherein the applicator coil antenna is substantially planar.

9. The system of claim 1 , wherein the applicator coil antenna is substantially helical.

10. A method comprising:

wirelessly receiving, by an applicator antenna coil of a biosensor applicator, electromagnetic (“EM”) energy from a remote coil antenna of a remote device, the EM energy comprising data signals, the biosensor applicator comprising a housing and the applicator antenna coil, the housing defining a cavity configured to receive and physically couple to a biosensor device, and to apply the biosensor device to a wearer and the applicator antenna coil, and wherein the applicator antenna coil is oriented around a first axis;

wirelessly providing at least a first portion of the received EM energy to a biosensor coil antenna of a biosensor device, the at least a first portion of the received EM energy comprising the data signals, the data signals comprising Bluetooth authentication information, the biosensor device comprising the biosensor coil antenna, a first wireless transceiver electrically coupled to the biosensor coil antenna, a Bluetooth antenna, and a second wireless transceiver coupled to the Bluetooth antenna, wherein the biosensor device is physically coupled to the biosensor applicator and positioned at least partially within the cavity:

receiving by a processor of the biosensor device, the data signals from the biosensor coil antenna;

compare the Bluetooth authentication information to device information associated with the biosensor device; and

enable a Bluetooth network connection to the remote device based on the Bluetooth authentication information.

11. The method of claim 10 , the biosensor device further comprising a biosensor and a memory configured to store sensor data from the biosensor, and wherein the method further comprising:

determining a level of access of a plurality of levels of access to sensor data stored in the memory based on the data signals; and

controlling access by the remote device to the sensor data stored in the memory based on the level of access.

12. The method of claim 11 , wherein the plurality of levels of access comprise a user access level and a healthcare provider access level.

13. The method of claim 12 , wherein:

the user access level enables access to real-time sensor data; and

the health care provider access level enables access to historical sensor data and access to calibrate or recalibrate the biosensor.

14. The method of claim 10 , wherein the applicator antenna coil is a first applicator antenna coil, and further comprising:

receiving, by a second applicator antenna coil of the biosensor applicator, EM energy from a transmitter antenna coil of a remote device;

providing a portion of the received EM energy from the transmitter antenna coil of a remote device to the first applicator coil antenna; and

wherein the second applicator antenna coil is a part of the biosensor applicator and is positioned substantially coaxially with respect to the first applicator antenna coil.