完美的低功耗窄带发射机密集无线传感器网络

A. Platonov, I. Zaitsev
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引用次数: 1

摘要

本文介绍了应用于无线传感器网络物理层的软件自适应反馈通信系统(AFCS)的优化和设计方法的研究背景。AFCS的一个特殊特点是,它们使用脉冲幅度(PAM)调制器将来自数字或模拟传感器的信号传输到基站(BS),该调制器由BS中形成的控件自适应调节,无需编码。在没有编码器的情况下,可以推导出最优的发送-接收算法,从而确定最优的AFCS设计方法。系统的自适应特性允许将数据完美地传输到BS,即能量和频谱效率达到香农极限。讨论了之前未使用的AFCS性能指标,并将其用于优化AFCS功能的设计原型的研究。最优AFCS可能成为无线传感器网络中一类高效窄带低能量通信信道。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Perfect Low Power Narrowband Transmitters for Dense Wireless Sensor Networks
This paper presents the backgrounds of approach to optimization and design of software defined adaptive feedback communication systems (AFCS) for applications at the physical (PHY) layer of wireless sensor networks. A particular feature of AFCS is they transmit the signals from digital or analog sensors to the base stations (BS) using pulse-amplitude (PAM) modulators adaptively adjusted by the controls formed in BS, no coding. Absence of coders permits to derive optimal transmission-reception algorithms determining the way of optimal AFCS design. Adaptive properties of the systems permit to transmit data to BS perfectly, i.e. with energy and spectral efficiencies attaining Shannon's limits. The not used before adequate measures of AFCS performance are discussed and used for investigation of designed prototype of optimal AFCS functioning. Optimal AFCS may become a perspective class of high efficient narrowband low energy communication channels for the wireless sensor networks.
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