Adaptive Power Control and Selective Radio Activation for Low-Power Infrastructure-Mode 802.11 LANs
ICDCS Workshops（2003）
摘要
We present an integrated dual approach to reduce power consumption in infrastructure-mode 802.11 wireless LANs. A novel distributed power control algorithm adaptively adjusts the transmit power of the 802.11 radio/NIC to achieve power savings in the presence of mobility and RF noise. An adaptive radio activation algorithm selectively sleeps the 802.11 radio/NIC to reduce idle power consumption. We analyze the performance of these algorithms in an 802.11 testbed using Web traces of HTTP/TCP user data accesses. Our application-level architecture integrates the two approaches into an incrementally deployable and application-transparent solution for power management of the RF interface on 802.11-enabled laptops.
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关键词
power management,adaptive radio activation algorithm,low-power infrastructure-mode,tcp user data access,power-aware,adaptive power control,sleep.,selective radio activation,power saving,mac,idle power consumption,power consumption,802.11b,power control algorithm adaptively,rf interface,web trace,adaptation,wifi,rf noise,incremental deployment,mobility,power control,network interfaces,testing,nic,transport protocols,radio frequency,sleep,data access,adaptive control,algorithm design and analysis
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