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A four-phase and an eight-phase signal constellation are shown in the figure below. For the constraint that the minimum distance between pairs of signal points be dfor both constellations, the radii r1 and r2 of the circles are

A four-phase and an eight-phase signal constellation are shown in the figure below. For the constraint that the minimum distance between pairs of signal points be dfor both constellations, the radii r1 and r2 of the circles are

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Asked by Piyushag, Last updated: Nov 27, 2024

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piyushag1

piyushag

piyushag1
Piyushag

Answered Mar 13, 2019

R1 = 0.707d, r2 = 1.307 d

Its r1 = 0.707d, r2 = 1.307 d For 1st constellation (r1)2 = d2/2 r1 = 0.707d For 2nd constellation d/2 = r2cos 67.5 r2 = 1.307d Hence option D is correct*##**##*
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