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Practical CPFSK receiver design

alvinhensel
Mesaj: 64

Practical CPFSK receiver design

Mesaj#1 » 2017 Tem 15 10:55

Hello,
I'm hoping someone can point me to a good resource on practical CPFSK receiver design. I understand the basics of the optimal receiver, but it's very computationally intensive. In particular I'm looking at building a software receiver for ETSI DMR. They use a 4-CPFSK with h=.27 I believe the pulse shaping function is 3 periods long, so I end up with a 12800 state trellis (ouch). I'm guessing someone's done better than that at this point, but haven't had any luck with the literature.

Can someone please briefly explain what is a "one-shot transmission model" for signal transmission?




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