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Fig. 6 | EURASIP Journal on Wireless Communications and Networking

Fig. 6

From: Wideband partial response CPM demodulation via multirate frequency transformations and decision feedback equalization

Fig. 6

Memory removal via decision feedback equalization: a symbol error probability of MFT-ESA approach for binary CPFSK with zero-forcing and MMSE decision feedback equalization to remove memory induced due to partial response signaling and b symbol error probability for multilevel CPFSK with zero-forcing and MMSE decision feedback equalization. In both cases, 3-REC CPM with parameters T b =1s,f s =50Hz, and f c =12Hz was employed. The MFT conversion factor was R=16, and the modulation indices for the binary and multilevel cases were h=97/21 and h=19/15, respectively. For equalization purposes, 50 pilot symbols were used. Note that the SEP of a and b will drop to zero around 11 and 16 dB, respectively, which are not shown due to limitations of the log scale

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