协同无线传感器网络的节能交换传输方案

2012 International Conference on Communication, Information & Computing Technology (ICCICT) Pub Date : 2012-12-31 DOI:10.1109/ICCICT.2012.6398092

Lalitha Kumari, Subaashini

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引用次数: 1

摘要

提出了一种新型的无线传感器网络节能交换传输方案。分布式传感器可以根据信道条件和传感器之间的距离自适应选择合适的传输方式，与邻域协作，将数据传输到数据采集器。通过研究传感器和数据采集器之间的相关虚拟多输入多输出(MIMO)通道的统计特性，可以获得两种MIMO传输模式和SIMO的分析性能。对空间复用和发射分集这两种MIMO传输方式的能量效率进行了评价。在此基础上，提出了一种适用于无线传感器网络的空间复用、传输分集和SIMO之间的节能模式切换准则。

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Energy-efficient switching transmission scheme for a cooperative WSN

In this paper, a novel technique is proposed for energy efficient switching transmission scheme in a wireless sensor network (WSN). Distributed sensors can cooperate with the neighborhood and transmit their data to the data collector by choosing a proper transmission mode adaptively based on the channel conditions and distance among the sensors. The analytic performances of two MIMO transmission modes and SIMO can be accessed by investigating the statistical properties of a correlated virtual multiple-input multiple-output (MIMO) channel between the sensors and data collector. The energy efficiencies of two MIMO transmission modes namely spatial multiplexing, transmit diversity are also evaluated. Based on these result, a new energy efficient mode switching criterion between spatial multiplexing, transmit diversity and SIMO suitable to a WSN is derived.

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2012 International Conference on Communication, Information & Computing Technology (ICCICT)

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