Side konspekt 2020 / eksami kordamisküsimused
known as break-before-make. Hard handovers are intended to be instantaneous in
order to minimize the disruption to the call. A hard handover is perceived by
network engineers as an event during the call. It requires the least processing by the
network providing service. When the mobile is between base stations, then the
mobile can switch with any of the base stations, so the base stations bounce the link
with the mobile back and forth. This is called 'ping-ponging'. (2G,
Soft handover -
Is one in which the channel in the source cell is retained and used for a while in
parallel with the channel in the target cell. In this case the connection to the target
is established before the connection to the source is broken, hence this handover is
called make-before-break. The interval, during which the two connections are used
in parallel, may be brief or substantial. For this reason the soft handover is
annaabi.ee 
