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Continue to ChatMultilevel coded M-ary CPFSK with modulation index 1/2 - https://avesis.itu.edu.tr/yayin/d3e3232b-f938-40ca-8cd0-83ea13059821/multilevel-coded-m-ary-cpfsk-with-modulation-index-1-2
Multilevel coded M-ary CPFSK with modulation index 1/2 - https://avesis.itu.edu.tr/yayin/d3e3232b-f938-40ca-8cd0-83ea13059821/multilevel-coded-m-ary-cpfsk-with-modulation-index-1-2