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5G Fundamentals
Try these first, even if you're not sure. Guessing primes your brain.
A walkie-talkie takes turns on one channel. A phone call uses two channels simultaneously. Which matches TDD?
A regulator sells one unpaired spectrum block. Which duplexing mode works?
On a TDD cell, uplink feels less responsive than downlink. Why?
Answer all 3to continue — it's OK to be wrong.