The biggest challenge in wireless medical device is battery life: how to maximize the length of time between charges given the anticipated level of use. One big factor is the power need to transmit the required data volume over the desired distance. To maximize battery life given a target form factor we conserve power by limiting transmission power, shortening transmission and receive time, using low power sensors, and shutting down unneeded electronics. This takes a combination of system design, circuit design, and software to achieve the optimum solution.
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