PIMM

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Abstract
State-of-the-art smartphones can utilize multiple network interfaces simultaneously, e.g., WiFi and LTE, to enhance the throughput and network connectivity in various use cases. In this paper, we present an accurate power modeling for the smartphones, especially, those capable of activating/utilizing multiple networks simultaneously. All kinds of traffic patterns are accurately converted into the estimated power consumption using our proposed algorithm by incorporating the variation of packet interval, packet length, and WiFi/LTE channel quality on a per-packet basis. The accuracy of our model is comparatively evaluated by comparing the estimated power with the measured power in various scenarios. We find that our model reduces estimation error by 7%-35% even for single network transmissions, and by 25% for multiple network transmissions compared with existing power models.
Funding Information
  • Digital Media & Communications R&D Center in Samsung Electronics
  • Brain Korea 21 PLUS Program

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