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Joint Control of Duty Cycle and Beacon Tracking in IEEE 802.15.4 LR-WPAN
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 Title & Authors
Joint Control of Duty Cycle and Beacon Tracking in IEEE 802.15.4 LR-WPAN
Park, Sung-Woo;
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 Abstract
Since most of devices in the IEEE 802.15.4 LR-WPAN are expected to operate on batteries, they must be designed to consume energy in a very conservative way. Two energy conservation algorithms are proposed for the LR-WPAN: DDC (Dynamic Duty Cycle) and DBT (Dynamic Beacon Tracking). The DDC algorithm adjusts duty cycle dynamically depending on channel conditions. The DBT algorithm switches beacon tracking mode on and off adaptively depending on traffic conditions. Combining the two algorithms reduces energy consumption more efficiently for a wide range of input loads, while maintaining frame delivery ratio and average delay at satisfactory levels.
 Keywords
IEEE 802.15.4;LR-WPAN;Duty Cycle;Beacon Tracking;
 Language
English
 Cited by
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