Further aspects of Stochastic Cooperative Beamforming

Proceedings of the 11th Euro American Conference on Telematics and Information Systems Pub Date : 2022-06-01 DOI:10.1145/3544538.3544656

Enrique Navarro-Modesto, Enrique A. Navarro-Camba, Jaume Segura-García, Santiago Felici-Castell, J. Solano

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Abstract

The Stochastic Cooperative Beamforming (SCB) concept is analyzed from the point of view of maximum simplicity of implementation. The mismatches of the motes’ clocks after synchronization and their effect on the signal phase shift are analyzed. The dispersion of the clock errors with deviations of the order of a hundred nanoseconds introduce random shifts that allow the signal to be sent in several directions randomly. This multi-directional pointing multi-CB is achieved with a gain that is lower than the maximum expected for an optimal delay distribution. However, although with a low probability, high transmission gains of up to 50% of the maximum theoretical gain are achieved. It is observed that the gain conforms to a Rayleigh distribution function, and that the SCB transmission procedure allows sending to distant receivers in any direction. In SCB transmission a percentage of packets would be lost, and this would result in a higher number of transmissions, with the consequent energy consumption and decrease in effective transmission speed.

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随机协同波束形成的进一步研究

从实现最简单的角度分析了随机协同波束形成(SCB)的概念。分析了同步后时钟的不匹配及其对信号相移的影响。时钟误差的色散以100纳秒量级的偏差引入了随机位移，这使得信号可以随机地向几个方向发送。这种多向指向多cb的增益低于最优延迟分布的最大期望。然而，尽管概率很低，但可以实现高达最大理论增益50%的高传输增益。可以观察到，增益符合瑞利分布函数，并且SCB传输过程允许向任何方向的远程接收器发送。在SCB传输中，一定比例的数据包将丢失，这将导致更高的传输数量，从而导致能量消耗和有效传输速度降低。

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Proceedings of the 11th Euro American Conference on Telematics and Information Systems

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