mohatta2015.pdf

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LIST OF FIGURES
2.2 Matched filtering block diagram. 32
2.3 BPSK received PDFs. 38
2.4 BER, vs. Eb/Ni) for QPSK, root-raised-cosine pulse shaping (0.22
rolloff), static, two-tap, symbol-spaced channel, with relative
path strengths 0 and —1 dB, and path angles 0 and 90 degrees. 46
2.5 BER vs. E\,/N() for QPSK, root-raised-cosine pulse shaping (0.22
rolloff), static, two-tap, half-symbol-spaced channel, with relative
path strengths 0 and —1 dB, and path angles 0 and 0/90/180
degrees. 47
2.6 OFDM example. 51
3.1 Received signal for DFE. 58
3.2 ZF DFE block diagram. 59
3.3 Traditional DFE. 63
3.4 Alternative DFE. 63
4.1 Received signal for linear equalization. 70
4.2 LE block diagram. 71
4.3 MSE vs. w\ for various values of W2 for LE. 73
4.4 Example of I + N vs. w\. 76
4.5 BER, vs. Eh/N» for QPSK, root-raised-cosine pulse shaping (0.22
rolloff), static, two-tap, symbol-spaced channel, with relative
path strengths 0 and —1 dB, and path angles 0 and 90 degrees,
LE results. 87
5.1 MSE vs. w\ for various values of u>2 for DFE for s-¡. 101
5.2 MMSE DFE block diagram. 102
5.3 BER, vs. Eb/Nf) for QPSK, root-raised-cosine pulse shaping (0.22
rolloff), static, two-tap, symbol-spaced channel, with relative
path strengths 0 and —1 dB, and path angles 0 and 90 degrees,
DFE results. 107
5.4 BER vs. Et,/N[) for QPSK, root-raised-cosine pulse shaping (0.22
rolloff), static, two-tap, symbol-spaced channel, with relative
path strengths 0 and —1 dB, and path angles 0 and 90 degrees,
MMSE LE and DFE results. 108
6.1 MLSD block diagram. 117
6.2 MLSD generation of predicted received values. 118
6.3 MLSD tree diagram. 119