CDMA Question:

Soft handoff is a feature in which a cellular phone is simultaneously connected to two or more cellular phones during a single call
It is he overlapping of repeater coverage ones, which enables every cell phone set is always well within the range of a specific repeater.
More than one repeater can send and receive signals to transmit signals to and from mobiles.
All repeaters are used with the same frequency channel for each mobile phone set.
Practically no dead zones and as result, the connections seldom interrupted or dropped.