Advantages and disadvantages of soft handover?

Question

Probably know the part of answer, but not completely so thought to ask here i.e. What is the advantages and disadvantages of soft handover from UE and from operator perspective.

Answer 1

Advantages:
Overcome fading through macro diversity.
Reduced Node B power which in turn decreases interference and increases capacity.
Reduced UE power (up 4dB), decreasing interference and increasing battery life.

Disadvantages:
UE using several radio links requires more channelization codes, and more resources on the Iub and Iur interfaces.