A

Admin • 802.91K Points
Coach

Q. The power efficiency of the M ary PSK decreases because of the

  • (A) freely packed constellation
  • (B) increment of bandwidth efficiency
  • (C) fixed null bandwidth
  • (D) densely packed constellation
Explanation by: Admin
bandwidth efficiency increases as the value of m increases. but at the same time, increasing m implies that the constellation is more densely packed. hence the power efficiency or noise tolerance is decreased.

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