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From: Alexander on 3 Dec 2009 07:12
Hello!

I have the same problem with creating an APSK modulator by myself. So I solved this problem using subsystem which consists of buffer, to-sample converter, bit-to-integer converter and lookup table. This table produces mapping of input bits to points of signal constellation. Various converters just combine input bits in groups of 4 (or 5 in 32-APSK) and shape them into convenient format. But I still have some problems with creating APSK demodulator.

And what about your questions.
1)If using my propose you should better change "Random Integer Generator" to "Bernoulli Binary Generator" which outputs sequence of 0 or 1.
2)I didn't exactly catch what you mean, but maybe you should use Matlab S-function.
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