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Sectoring increases SIR (Signal to Interference Ratio).

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Sectoring increases SIR (Signal to Interference Ratio).

(a) True

(b) False

The question was asked in homework.

This intriguing question originated from Improving Coverage and Capacity in Cellular Systems topic in chapter The Cellular Concept – System Design Fundamentals of Wireless/Mobile

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The correct option is (a) True

The explanation is: Sectoring increases SIR so that cluster size may be reduced. SIR is improved using directional antenna. And then capacity improvement is achieved by reducing the number of cells in a cluster, thus increasing the frequency reuse.

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