Question

Which among the following is implemented parallel to the protocol stack?

(a) Interlayer signaling pipe

(b) Direct inter layer communication

(c) Central cross-layer plane

(d) Cross talk

I had been asked this question in class test.

Question is taken from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio

Answer 1

Correct choice is (c) Central cross-layer plane

Best explanation: The Central cross-layer plane is the most popularly used implementation of cross-layer design concept. It can be implemented as a shared database. Otherwise, each protocol layer creates separate interfaces for its internal protocol parameters and functions.