Question

which of these can be regarded as the salient feature(s) of a 3d uwsn architecture

Answer 1

If we are talking about salient features of  3D Underwater Wireless Sensor Networks -UWSN, then we would need to highlight features that are listed below:

a. Mobile UWSNs Silent and energy-efficient scheme

b. Less initiators nodes (anchors) needing Iterative approach

c. Mobility prediction

Basically, All three options are suitable and they all can be consdiered or regarded as a salient feature of 3D Underwater Wireless Sensor Networks -UWSN.