Which among the following is a not consequence of increasing modulation depth?(a) Increase energy need(b) Increase spectral efficiency(c) Reduce effective spectrum usage of other users of the spectrum(d) Reduced noise floorI got this question in an online interview.My doubt is from Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio

Which among the following is a not consequence of increasing modulatio

1.	Which among the following is a not consequence of increasing modulation depth?(a) Increase energy need(b) Increase spectral efficiency(c) Reduce effective spectrum usage of other users of the spectrum(d) Reduced noise floorI got this question in an online interview.My doubt is from Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio
Answer» The correct choice is (d) Reduced noise FLOOR The best I can explain: MODULATION depth provides the degree of difference between a modulated signal and an unmodulated signal. The increase of modulation depth is a poor solution for effective spectrum usage as it increases the energy needs of the operation. It AFFECTS the operation of other spectrum users as it results in the increase of noise floor or it precludes the operation at quickly increasing RADII from the TRANSMITTER.

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