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Bandwidth efficiency improvement involves

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Bandwidth efficiency improvement involves

(a) Dividing the geographical region into cells

(b) Allowing frequency allocation

(c) Dividing the geographical region into cells & Allowing frequency allocation

(d) None of the mentioned

The question was posed to me during an interview.

This intriguing question originated from Cellular Systems topic in portion Spread Spectrum Techniques of Digital Communications

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The correct answer is (c) Dividing the geographical region into cells & Allowing frequency allocation

The explanation: The idea of dividing the geographical region into cells and allowing frequency allocation of one cell can be reused represents bandwidth efficiency improvement methods.

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