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Energy efficiency is one of the most concerned issues in wireless sensor networks, and periodic listen/sleep mechanism is widely used to reduce energy consumption. But fixed listen/sleep scheme also introduces additional latency in packet delivery and waste of energy for unnecessary idle listening. In this paper, we propose a low latency and energy efficient MAC protocol with an adaptive listen/sleep...
In this paper, we propose an improved adaptive MAC protocol for wireless sensor networks based on cross-layer architecture. The new protocol is inspired by SMAC, probably the most well-known sensor MAC scheme for energy efficiency. In the proposed new protocol, two major changes are made in original SMAC protocol, one is continual data transmission, and the other is graded contention window. The new...
In recent years, there has been a growing interest in wireless sensor network. In wireless sensor network, constrained energy is one of the most critical problems. In-network data aggregation is essential for the efficient operation of wireless sensor network. In this paper, we propose a novel energy saving topology control algorithm (ESTP). This scheme enable the node within a given distance cooperate...
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