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WearDrive System Uses Smart Phone to Boost Performance and Efficiency of Wearables

posted by cmn32480 on Thursday July 16 2015, @09:34AM   Printer-friendly
from the will-it-work-with-my-iphone dept.

takyon writes:

Microsoft Research and the Georgia Institute of Technology have created WearDrive, a system that uses Bluetooth Low Energy or Wi-Fi to offload processing tasks from wearables to more powerful smartphones.

The researchers tested an Android 4.4 reference smartwatch using 512 MB of RAM and were able to obtain "up to" 8.85x better performance while stretching battery life "up to" 3.69x (i.e. 27% as much energy was used). Large, energy-intensive tasks are performed on the smartphone while small, energy-efficient tasks are performed locally using battery-backed RAM (referred to as BB-RAM throughout the paper). The WearCache system can hold data in RAM until your smartphone is in range, writing to NAND only when RAM fills up.

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  • (Score: 2) by FatPhil on Thursday July 16 2015, @07:50PM

    by FatPhil (863) <{pc-soylent} {at} {asdf.fi}> on Thursday July 16 2015, @07:50PM (#210135) Homepage
    I don't know - 5 years ago, AMOLED was causing quite a stir in the mobile world. And those can use microcurrents when not actively changing the display and in low-colour mode (pixels only on or off, no shades), which is massively more energy efficient than the portable pocket heaters that came before.
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  • (Score: 2) by Gravis on Thursday July 16 2015, @08:38PM

    by Gravis (4596) on Thursday July 16 2015, @08:38PM (#210160)

    yes, they have been slowly improving the displays but in comparison of power consumption Marisol displays are a quantum leap.