What is cross-layer design?(a) Cross-layer design allows non adjacent layers to exchange information which are traditionally relevant to a layer itself(b) Cross-layer design allows only adjacent layers to exchange information with each other(c) Cross-layer design provides control of lower layer functions to the upper layer functions(d) Cross-layer design provides control of upper layer functions to the lower layer functionsI have been asked this question in an interview for internship.This question is from Next Generation Wireless Network topic in division Next Generation Wireless Network of Cognitive Radio

What is cross-layer design?(a) Cross-layer design allows non adjacent

1.	What is cross-layer design?(a) Cross-layer design allows non adjacent layers to exchange information which are traditionally relevant to a layer itself(b) Cross-layer design allows only adjacent layers to exchange information with each other(c) Cross-layer design provides control of lower layer functions to the upper layer functions(d) Cross-layer design provides control of upper layer functions to the lower layer functionsI have been asked this question in an interview for internship.This question is from Next Generation Wireless Network topic in division Next Generation Wireless Network of Cognitive Radio
Answer» The correct answer is (a) Cross-LAYER design allows NON adjacent layers to exchange information which are traditionally relevant to a layer itself Easy explanation: Cross-layer design allows non-adjacent layers to exchange information which is traditionally relevant to a layer itself. By adapting cross-layer design, a global view of the radio framework and the SURROUNDING environment can be obtained. It helps to eliminate problems that ARISE due to a lack of resource information at the TIME of transmission.

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