2

3

4

5 Aliasing Cancellation Condition Aliasing Cancellation Condition : Perfect Reconstruction Condition Perfect Reconstruction Condition :

6 M-path Partition of the m th channel filter M-path Partition of the m th channel filter :

7 M-path Partition of the m th channel synthesis filter M-path Partition of the m th channel synthesis filter :

8 NMDFB filter: Time Domain filter:

9 Error between two filtering models: Error Transfer Function:

10 Piecewise Constant Approximation: Linear Interpolation

11 Piecewise Constant Approximation Performance:

12 Linear Interpolation Approximation Performance:

13 M = 64, D = 32 Rectangular Triangular M = 64, D = 16 Triangular

14 M = 64, D = 32 Rectangular Impulse Response and Filter Spectra

15 M = 64, D = 16 Triangular Impulse Response and Filter Spectra

16 M = 64, D = 16 Triangular Impulse Response and Filter Spectra

17 M = 64, D = 32 Rectangular / M = 256 Triangular Linear Phase Filtering

18 M = 64, D = 32 Rectangular / Triangular Non Linear Phase Filtering

19 M = 256, D = 64 Triangular Non Linear Phase Filtering

20 M = 64, D = 16 Triangular Fractional Delay Filtering

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22 1.Wideband Signal Processing: Effectively reducing the hardware processing rate via NMDFB. 2.Filtering: Linear phase, Non-linear phase, Fractional delay, Masking, Cascade Filtering. 3.Support block timing varying filtering. 4.Support wideband power allocation.

23 Time Domain Timing Recovery & Matched Filtering NMDFB Domain Timing Recovery & Matched Filtering 256 Real Multiplies per Output 240 Real Multiplies per Output

24 NMDFB Timing Recovery Simulation (Submitted to ICASSP 2013) 20 dB SNR / AWGN channel / 0.25 Ts Timing Error

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