Hi, I made two flowgraphs. 1st flowgraph : Source -> BPSK modulation -> Constellation Sink 2nd flowgraph : Source -> BPSK modulation -> IFFT -> FFT -> Constellation Sink
The source is configured such that if only transmits 1s. Therefore one would expect the constellation plot to have one dot on the x-axis around the point (1,0). This is what happens :) But in the second flowgraph one would expect the same result but the flowgraph is not what it should look like. The link for the screenshots : https://drive.google.com/folderview?id=0Bwh_xvBu7PpWaTRZX0VqQzBxNU0&usp=sharing p1 and p2 correspond to the second flowgraph Regards Abhinav Jadon
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