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RFIA: an agent that plans RF measurements while a deterministic runtime drives the VNA

Chunhui Li and Wei Fan describe RFIA, an RF instrument agent whose LLM plans while a deterministic runtime operates the instrument. A knowledge base supplies verified skills, workflow templates and SCPI command lookup. On a commercial vector network analyzer, the paper reports all 16 benchmark tasks handled with both MiniMax-M2.7 and Qwen3.6-27B, including 1 expected safety rejection.

Open original source arxiv.org · Chunhui Li and Wei Fan

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Abstract describes a hardware-in-the-loop prototype on a commercial VNA and benchmark results; no code or data linked.

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Briefing

RFIA keeps intent handling, planning and execution apart. Every instrument-facing step goes through the deterministic runtime under predefined execution and safety policies, and closed-loop measurements run as hybrid execution graphs. Besides skills, templates and SCPI lookup, the knowledge base holds RF analysis tools and rules specific to each instrument.

The 16 tasks span configuration, queries, acquisition, rule-aware operation, RF data analysis and closed-loop measurement. The paper names neither the VNA's vendor nor its model. It was submitted on 22 May 2026, and no code or data is linked.

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