Combined trellis coded quantization/continuous phase modulation (TCQ/TCCPM)
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In this paper, we applied Continuous Phase Frequency Shift Keying (CPFSK) to Trellis Coded Quantization/Modulation (TCQ/TCM) and thus we called Trellis Coded Quantization/ Continuous Phase Modulation (TCQ/TCCPM) for this new sys-tem. In this new scheme we use continuous phase frequency shift keying signal set instead of phase shift keying signal set. As an example, an eight state TCQ/TCCPM system is designed and its error performance is evaluated for different Rician fading parameters K and signal to noise ratios.