Question 9 Consider the two 8-point QAM signal constellation shown in Figure Q 9. In Figure (a), the distance of each point from the origin is A In Figure (b) the distance between the nearest points is A. (b) Figure Q9 [10 Marks] a) Determine the average transmitted power for each constellation assuming that the signal points are equally probable. b) Which constellation is more power efficient? [8 Marks] [2 Marks]