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Praveen Singh • 36.81K Points
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Q. Power efficiency of M-ary FSK increases, since

  • (A) constellation is densely packed
  • (B) m signals are non-orthogonal
  • (C) fixed null bandwidth
  • (D) m-signals are orthogonal
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Explanation by: Praveen Singh
in m-ary fsk, all the m signals are orthogonal and there is no crowding in the signal space. hence, power efficiency of m- ary fsk increases with m.

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