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In the past couple of years, many Energy-Efficient Medium Access Control protocols for all kinds of wireless networks have been proposed. Many of them are based on Preamble Sampling (also referred-to as Low Power Listening) with asynchronous wake-up schemes and brief periodic polls for channel activity. Although these protocols have proven to almost reach the theoretic lower bounds of energy-efficiency in case of unicast point-to-point transmissions, they yet lack an efficient solution to implement a one-hop broadcast and a network-wide broadcast mechanism. This paper proposes an energy-efficient broadcasting scheme for use in Energy-Efficient Medium Access Control protocols with asynchronous duty cycles.
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