An Automated Over-the-Air Radiated Testing Platform for Reconfigurable Intelligent Surface
2024 18th European Conference on Antennas and Propagation (EuCAP)(2024)
摘要
In the relentless quest to enhance wireless communication capabilities, reconfigurable intelligent surface (RIS) has emerged as a technology of immense promise. Armed with the beamforming capabilities, RIS can intelligently engineer and control wireless propagation environments. Consequently, an in-depth knowledge of RIS radiation characteristics has become important. This paper presents an automated over-the-air (OTA) radiated testing platform designed for characterizing RIS radiation. Operating in an anechoic chamber setup in a fully automated manner, the platform system utilizes multiple probes to expedite testing and employs a vector network analyzer (VNA) for testing signal measurement and recording. Controlled by a programmed controller, the system efficiently manages RIS operation with predefined code-book while the controller directs the system to conduct radiation measurements. To validate the designed testing platform system, RIS beam steering radiation measurements were conducted using a 2-bit 10 × 10 RIS. The measured results demonstrate the capabilities and reliability of the automated testing system.
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关键词
wireless communication,over-the-air (OTA) testing,reconfigurable intelligent surface (RIS),measurement
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