Scope and Field of Application
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RIS is considered a key candidate technology for IMT-2030 (6G) [11]. RIS has the potential to revolutionize the way wireless signals are transmitted and received, offering enhanced control over the propagation environment. RIS can significantly improve signal quality, coverage, and energy efficiency, but also support wireless applications such as localization, making it a cornerstone for future wireless networks [1-6]. However, to fully realize the benefits of this technology and facilitate its widespread adoption across the industry, standardized testing procedures are crucial. These standards are essential for ensuring consistent product quality, interoperability, and reliability, ultimately driving the successful integration of RIS in existing and future networks. Without a unified approach to testing, the deployment of RIS could face significant challenges, such as incompatibilities between different implementations and uncertainty about the performance and safety of the technology. This proposed document would focus on defining a comprehensive standardized testing scenario for RIS operating across various frequency ranges, including FR1 (3.2 GHz to 7.125 GHz), FR2 (24.25 GHz to 52.6 GHz), FR3 (7.2GHz to 18GHz), and future higher frequency bands expected in 6G. The testing and evaluation methodology aims to be ubiquitous, and applicable regardless of the specific architecture or array design, such as passive or active RIS. To achieve this, a broad range of test scenarios will be specified, each designed to cover the unique properties and performance metrics relevant to RIS technology. These scenarios will address key aspects such as beamforming accuracy, reflection efficiency, adaptive reconfiguration speed, resilience to environmental factors, energy efficiency, etc [10, 11]. The goal is to ensure that any RIS implementation, regardless of design variations, can be rigorously evaluated and compared on a common basis. This approach will provide manufacturers and regulators with the confidence needed to deploy RIS technology.
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