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Which technique needs precise synchronization?

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Which technique needs precise synchronization?

(a) TDMA

(b) FDMA

(c) TDMA & FDMA

(d) None of the mentioned

The question was posed to me at a job interview.

My question is from INTELSAT in division Multiplexing and Multiple Access of Digital Communications

1 Answer

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The correct choice is (a) TDMA

For explanation: TDMA operation needs very precise synchronization needed to assure orthogonality of time slots.

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