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 fadingI had been asked this question in quiz.This interesting question is from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio

Which among the following problems could be overcome by spreading gain

1.	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 fadingI had been asked this question in quiz.This interesting question is from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio
Answer» Right choice is (c) Call drop due to multipath The explanation is: 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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