Systems and methods for processing and transmitting sensor data

Abstract

Systems and methods for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor, are disclosed. In an embodiment, a method for transmitting data between a first communication device associated with an analyte sensor and a second communication device configured to provide user access to sensor-related information comprises: activating a transceiver of a first communication device associated with an analyte sensor at a first time; and establishing a two-way communication channel with the second communication device; wherein the activating comprises waking the transceiver from a low power sleep mode using a forced wakeup from the second communication device.

What is claimed is: 
     
         1 . A method for transmitting data between a first communication device comprising a body-mountable sensor electronics module associated with an analyte sensor and a second communication device configured to provide user access to sensor-related information generated by the sensor electronics module, the method comprising:
 initiating a sensor session by at least activating the first communication device, wherein the activating comprises waking the first communication device from a low power sleep mode using a forced wake-up signal from the second communication device;   establishing a communication channel between the first communication device and the second communication device;   causing on-demand forced transmissions of at least some sensor analyte data from the first communication device to the second communication device;   sending sensor information from the first communication device to the second communication device using the established communication channel;   wherein the forced wake-up signal and the on-demand forced transmissions are out of sync with the sending of the sensor information using the established communication channel.   
     
     
         2 . The method of  claim 1 , comprising transcutaneously implanting the analyte sensor in the user. 
     
     
         3 . The method of  claim 1 , wherein establishing the communication channel includes using authentication information. 
     
     
         4 . The method of  claim 1 , wherein the low power sleep mode is a storage mode. 
     
     
         5 . The method of  claim 1 , comprising holding the second communication device within 10 cm of the first communication device when generating the forced wake-up signal from the second communication device. 
     
     
         6 . The method of  claim 5 , wherein the forced wake-up signal is an NFC signal. 
     
     
         7 . The method of  claim 6 , comprising powering an NFC communication module in the first communication device with the NFC signal from the second communication device. 
     
     
         8 . The method of  claim 1 , wherein the on-demand forced transmissions are caused by an NFC signal from the second communication device. 
     
     
         9 . The method of  claim 1 , comprising performing an authentication procedure in conjunction with the forced wake-up signal. 
     
     
         10 . The method of  claim 1 , comprising calibrating sensor data using calibration information. 
     
     
         11 . The method of  claim 1 , wherein the first forced wake-up signal comprises identification information and a wake-up command. 
     
     
         12 . The method of  claim 11 , wherein the identification information comprises a transmitter ID. 
     
     
         13 . The method of  claim 1 , wherein the sensor information sent over the established communication channel can cause alerts to be triggered when one or more alarm conditions are met. 
     
     
         14 . The method of  claim 13 , wherein the sensor information sent over the established communication channel triggers an alert on the second communication device. 
     
     
         15 . The method of  claim 13 , comprising querying the first communication device for sensor information in response to the alert. 
     
     
         16 . A system for monitoring transcutaneous analyte concentrations in a host, the system comprising:
 a first communication device configured for attachment to the body of the host comprising an electronics module that comprises a wireless transceiver and electronic measurement circuitry that is configured to be operably coupled to a transcutaneous analyte sensor;   a second communication device configured to be hand-held;   wherein the second communication device is configured to send forced wake-up signals to the first communication device;   wherein at least the wireless transceiver of the first communication device is configured to transition to an operational mode in response to a first forced wake-up signal from the second communication device;   wherein the first communication device and the second communication device are configured to establish between them a communication channel;   wherein the first communication device is configured to send sensor information to the second communication device over the established communication channel, and wherein the second communication device is configured to receive at least some of the sensor information sent by the first communication device over the established communication channel;   wherein the first communication device and the second communication device are configured to repeat the acts of sending and receiving the sensor information out of sync with the forced wake-up signals over the course of a sensor session.   
     
     
         17 . The system of  claim 16 , wherein the first communication device is configured to authenticate the second communication device. 
     
     
         18 . The system of  claim 16 , wherein the forced wake-up signal has a shorter range than the communication channel. 
     
     
         19 . The system of  claim 16 , wherein the forced wake-up signal is an NFC signal. 
     
     
         20 . The system of  claim 19 , wherein the established communication channel is a Bluetooth communication channel. 
     
     
         21 . A method for transmitting data between a first communication device associated with an analyte sensor and an electronics module and a second communication device configured to provide user access to sensor related information, the method comprising:
 waking up the electronics module of the first communication device using forced wake up from the second communication device, wherein the waking up comprises the second communication device transmitting the forced wake up using near field communication (NFC);   activating a transceiver of the first communication device associated with the analyte sensor, wherein the activating comprises transitioning the transceiver to an operation mode;   sending sensor information to the second communication device during a transmission window, wherein the sensor information comprises at least one of raw glucose concentration data or transformed glucose concentration data, and wherein the sending sensor information is performed using a Bluetooth module; and   repeating the activating and the sending.   
     
     
         22 . The method of  claim 21 , wherein the forced wake up is out of sync with the sending. 
     
     
         23 . The method of  claim 21 , comprising using authentication information to establish a Bluetooth communication channel for sending the sensor information. 
     
     
         24 . The method of  claim 21 , comprising holding the second communication device within 10 cm of the first communication device during the forced wake-up. 
     
     
         25 . The method of  claim 21 , comprising calibrating sensor data using calibration information. 
     
     
         26 . The method of  claim 1 , wherein first communication device transmits identification information to the second communication device during the forced wake-up. 
     
     
         27 . The method of  claim 26 , wherein the identification information comprises a transmitter ID. 
     
     
         28 . The method of  claim 21 , wherein the sensor information can cause alerts to be triggered when one or more alarm conditions are met. 
     
     
         29 . The method of  claim 21 , wherein the sensor information sent from the first communication device triggers an alert on the second communication device. 
     
     
         30 . The method of  claim 29 , comprising querying the first communication device for sensor information in response to the alert.