Microwave photonic MIMO radar demonstrates high-resolution detection in various applications, indicating significant technological advancements.
Microwave photonic multiple-input multiple-output (MIMO) radar is an advanced radar system that integrates microwave photonic technologies with MIMO radar architectures. This technological convergence offers high detection resolution, multi-dimensional multiplexing capabilities, low transmission loss, and strong immunity to electromagnetic interference. This paper provides a comprehensive overview of research on microwave photonic MIMO radars, including operational principles, system architecture, and recent advancements. Experimental demonstrations of reported microwave photonic MIMO radars are introduced, which validate their effectiveness in high-resolution target detection and imaging applications. Challenges and future development of microwave photonic MIMO radars are also discussed, emphasizing the need for innovation in multi-dimensional multiplexing, distributed MIMO architecture, and system integration to fully leverage the advantages of both microwave photonics and MIMO arrays.
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Pan et al. (2026) studied this question.
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