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In practice, TDMA systems improve capacity by ____________ compared to analog cellular systems.

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In practice, TDMA systems improve capacity by ____________ compared to analog cellular systems.

(a) Three to six times

(b) Equal capacity

(c) Two time

(d) Ten to twenty times

The question was posed to me in an internship interview.

Question is from Capacity of Cellular Systems topic in portion Multiple Access Techniques for Wireless Communications of Wireless/Mobile

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The correct choice is (a) Three to six times

To explain: In practice, TDMA systems improve capacity by a factor of three to six times as compared to analog cellular radio systems. Powerful error control and speech coding enable better link performance in high interference environment.

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