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Which of the following suffers the co-channel interference most?(a) Smart antennas(b) Sectored antennas(c) Omni-directional(d) Both Smart antenna and Omni-directionThe question was posed to me during an interview.Origin of the question is Smart Antennas in division Smart Antennas of Antennas

Answer»

Correct CHOICE is (c) Omni-directional

For explanation: Omni-directional suffers more co-channel interference compared to the sectored and smart ANTENNAS. Probability of collisions is reduced so the inference is ALSO reduced in smart antennas. Thus, the Signal to interference (SIR) INCREASES.



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