Radio frequency (RF) energy transfer and harvesting has been intensively studied recently as a promising approach to significantly extend the lifetime of energy-constrained wireless networks. This technique has a great potential to provide relatively stable and continuous RF energy to devices wirelessly; it thus opened a new research paradigm, termed wireless-powered communication (WPC), which has raised many new research opportunities with wide applications. Among these, the design and analysis of cooperative schemes towards efficient WPC have attracted tremendous research interests nowadays. This article provides an overview of various cooperative strategies for WPC, with particular emphasis on relaying protocols for wireless-powered cooperative communications, cooperative spectrum sharing schemes for cognitive wireless-powered networks, and cooperative jamming strategies towards wireless-powered secure communications. We also identify several interesting research directions in this area before concluding this article.
翻译：最近对无线电频率(RF)能源转移和收割作为大幅度延长受能源限制的无线网络寿命的有希望的办法进行了深入研究,认为这是一种大有希望的办法,这种技术具有为无线装置提供相对稳定和持续的无线装置的RF能源的巨大潜力;因此,它开创了一种新的研究范式,称为无线动力通讯(WPC),它为广泛的应用带来了许多新的研究机会,其中,设计并分析提高WPC效率的合作计划吸引了巨大的研究兴趣。本文章概述了WPC的各种合作战略,特别侧重于无线动力合作通信的传输协议、无线无线电动力网络的合作频谱共享计划,以及针对无线动力通信的合作干扰战略。在完成本篇文章之前,我们还确定了这一领域的一些令人感兴趣的研究方向。
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