Discussion
Handoff latency is MOST critically influenced by which factor in mobile networks ?
Answer: B
Handoff latency is most critically influenced by the switching center processing speed.
Handoff latency is the delay between deciding that a call must move to a new cell and completing the move. In that interval the mobile switching centre must reserve a channel in the new cell, exchange signalling with both base stations and switch the call path, so the time it takes to process these steps sets the latency.
Signal strength decides when a handoff is triggered, not how long the handoff takes once started. Battery level does not enter the handoff procedure, and the modulation technique affects data rate and robustness on the air interface rather than the switching delay.
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