Question

Which among the following would result in increased out-of-band rejection at receivers while broadcasting?

a.

Periodic transmissions

b.

Increased transmission power

c.

Frequency reuse

d.

Close band spacing between stations

Posted under Cognitive Radio

Answer: (d).Close band spacing between stations Explanation:The close band spacing between stations is a potential method for increasing the station density. However it causes increased out-of-band rejection at the receivers. Reduction of transmission and increased frequency reuse are other approaches for increasing station density. However these methods result in reduced coverage.

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Q. Which among the following would result in increased out-of-band rejection at receivers while broadcasting?

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