Per-Frame Energy Consumption in 802.11 Devices and Its Implication on Modeling and Design

Provided by: Institute of Electrical & Electronic Engineers
Topic: Networking
Format: PDF
In this paper, the authors provide an in-depth understanding of the per-frame energy consumption behavior in 802.11 Wireless LAN (WLAN) devices. Extensive measurements are performed for 7 devices of different types (wireless routers, Smartphone's, tablets and embedded devices), and for both UDP and TCP traffic. Experimental results unveil that a substantial fraction of energy consumption, hereafter descriptively named cross-factor, may be ascribed to each individual frame while it crosses the protocol stack (OS, driver and NIC) and is independent of the frame size.

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