In this paper, we present a detailed analytical study of
previously proposed variable preamble length-based broadcasting scheme for
wireless sensor networks (WSNs). Analytical results show that in dense wireless
sensor networks, broadcasting a packet with a small size preamble can
significantly improve the energy conservation on already limited battery
powered sensor nodes. For fairer comparison with variable preamble length-based
broadcasting scheme, a comprehensive analytical study for an existing
probability-based broadcasting scheme is also presented. Analytically
calculated results show that variable preamble length-based broadcasting scheme
is more energy-efficient than the probability-based broadcasting
scheme.
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