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The authors report the first measurement study of 802.11n power consumption in smartphones. Using a popular 802.11n-enabled Smartphone and an 802.11n wireless testbed, they evaluate the power and energy consumption on the phone for a variety of configurations including different MAC bitrates, frame sizes, and channel conditions. They contrast their results against recent studies using 802.11n wireless cards for desktop/laptop computers. Their findings have significant implications in the design of energy efficient rate adaptation algorithms for the next generation of 802.11n-enabled smartphones.
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