Wireless Glucose Data Transfer With Reused Authentication
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Solution Overview
Problem
Conventional analyte monitoring systems face challenges in maintaining battery life while ensuring reliable wireless transmission of glucose data, often sacrificing reliability for efficiency.
Innovation Solution
Implementing a method for wireless communication of analyte data that includes establishing a first connection for authentication, followed by encrypted data transmission using a different wireless protocol to bypass authentication exchange, thereby conserving battery life and maintaining reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication exchange is performed during each connection interval, then security is maintained, but battery life is reduced
Solution Approach 1:
The system performs authentication exchange during the first connection interval to establish security credentials in advance. These pre-established credentials are then reused during subsequent connection intervals, eliminating the need for repeated authentication exchanges and thereby conserving battery life while maintaining security.
Solution Approach 2:
The system implements a periodic connection scheme where the analyte sensor system connects to the display device at defined intervals to transmit data. By combining this periodic action with preliminary authentication, the system achieves efficient battery usage while maintaining continuous monitoring capability.
2Duration of action of moving object
If data transmission is made intermittent to conserve battery, then battery life is extended, but reliability of data transmission is reduced
Solution Approach 1:
The system transmits analyte data at periodic intervals by establishing connections at defined time periods. This periodic transmission strategy balances battery conservation with reliable data delivery, ensuring that glucose monitoring data is transmitted frequently enough to maintain clinical reliability while avoiding continuous transmission that would deplete battery life.
3Device complexity
If the same wireless protocol is used for both authentication and data transmission, then system complexity is reduced, but transmission efficiency is lowered
Solution Approach 1:
The system segments the communication process into two distinct phases: authentication phase and data transmission phase. By using different wireless protocols for each phase (first protocol for authentication, second protocol for data transmission), the system optimizes each phase for its specific purpose while maintaining manageable overall complexity through clear separation of functions.
Data Source
Figure 1A
Figure 1B
Figure 2A~2B
AI summary
Systems, devices, and methods are disclosed for wireless communication of analyte data. One such method includes, during a first interval, establishing a first connection between an analyte sensor system and a display device. During the first connection, the method includes exchanging information related to authentication between the analyte sensor system and the display device. The method includes making a determination regarding whether authentication was performed during the first interval. During a second interval, the method may include establishing a second connection between the analyte sensor system and the display device for transmission of an encrypted analyte value, and bypassing the exchanging of information related to authentication performed during the first connection. The method also includes, during the second interval, the analyte sensor system transmitting the encrypted analyte value to the display device, if the determination indicates that the authentication was performed during the first interval.