Question

Which among the following problems could be overcome by spreading gain?

a.

Delay due to fading

b.

Delay due to multipath

c.

Call drop due to multipath

d.

Call drop due to fading

Posted under Cognitive Radio

Answer: (c).Call drop due to multipath Explanation:Cognitive radio with radio environment map can predict call drop resulting due to multipath or shadowing. It can be prevented by switching on the backup power amplifier, increasing the number of RAKE fingers, spreading gain, changing power control policy, or by opting intersystem handoff.

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Q. Which among the following problems could be overcome by spreading gain?

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