AI 中文总结
本研究提出开源低成本的OpenRIS平台，其元砖可灵活组装，经实验验证性能与连续型RIS相当，可推动RIS技术落地应用，重塑未来无线世界。
AI 中文摘要
无线增强是下一代移动通信系统实现无缝连接的关键，但传统网络扩容策略在经济层面已难以为继。可重构智能表面（RIS）通过提升信号利用率提供了极具前景的替代方案，不过高端RIS的硬件与部署成本过高，限制了其大规模应用。本研究借助OpenRIS实现该技术的民主化，OpenRIS是由乐高式元砖组成的开源低成本平台，在数字孪生技术辅助下，这些元砖可灵活组装成任意形状，无需额外供电即可实现定制化、可大规模部署的无线增强。实验与全波仿真验证了离散化的OpenRIS可达到与连续型RIS一致的性能。我们还开发了双用户无线传输系统与三维覆盖测量系统，以展示OpenRIS在无线增强中的多场景适用性。作为即插即用方案，OpenRIS推动了RIS理论向实践的转化，有望融入基础设施，像钢铁与混凝土塑造现代城市那样重塑未来无线世界。
英文摘要
Wireless enhancement is critical for next-generation mobile communication systems to realize seamless connectivity, yet traditional network expansion strategies are becoming economically unsustainable. Reconfigurable intelligent surfaces (RISs) provide a promising alternative by improving signal utilization. However, high hardware and deployment costs of advanced RISs limit their large-scale application. Here, we democratize this technology with OpenRIS, an open-source and low-cost platform composed of Lego-like meta-bricks. With digital-twin assistance, these meta-bricks can be flexibly assembled into arbitrary shapes to achieve customized, mass-deployable wireless enhancement without extra power. Experiments and full-wave simulations verify that the discretized OpenRIS achieves consistent performance with the continuous RIS. We further develop a dual-user wireless transmission system and a three-dimensional coverage measurement system to showcase the versatile applicability of OpenRIS in wireless enhancements. As a plug-and-play solution, OpenRIS accelerates the translation of RIS theory into practice and is poised to integrate into infrastructure, reshaping the future wireless world as steel and concrete shape modern cities.
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