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Which among the following may not be achieved by using xG networks for military applications?

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Which among the following may not be achieved by using xG networks for military applications?

(a) Select intermediate frequency bandwidth

(b) Improve security

(c) Select compatible modulation scheme

(d) Reduce interference

I had been asked this question in an online interview.

Question is from The xG Network Architecture in division Next Generation Wireless Network of Cognitive Radio

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The correct choice is (d) Reduce interference

To explain I would say: xG networks allow the selection of intermediate frequency bandwidth, and compatible modulation and coding techniques. It is capable of adapting to the changing radio environment of a battlefield. xG networks also carry out secure spectrum handoff.

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