How to root-cause Wi‑Fi chip stops after 30 minutes

Q: How to root-cause Wi‑Fi chip stops after 30 minutes

This question evaluates troubleshooting and diagnostic skills for embedded wireless systems, focusing on firmware behavior, testbed instrumentation, and measurement analysis.

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Question

You are running automated tests on a Wi‑Fi chip. The chip transmits normally at the beginning, but after about 30 minutes it stops transmitting (no signal observed). Assume you can modify the test, firmware, and measurement setup.

Describe a practical, step-by-step root cause investigation process. What data would you collect, what hypotheses would you prioritize, and what experiments would you run to isolate the cause?

How to root-cause Wi‑Fi chip stops after 30 minutes

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