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Optimum Nyquist filters with controlled time and frequency characteristics

Optimum Nyquist filters with controlled time and frequency characteristics

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A design procedure is presented for pulse shaping filters based on the eigenfilter method. This method presents great flexibility for the control of the tail decay and stopband attenuation of the pulse shaping filters. A variety of optimum filters can be designed which are better than raised cosine filters both in time and frequency.

Inspec keywords: frequency response; time-domain synthesis; equiripple filters; pulse shaping circuits; filtering theory; Nyquist criterion; intersymbol interference; frequency-domain synthesis

Other keywords: optimum filters; ISI distortion; raised cosine filters; Nyquist filters; controlled time-frequency characteristics; tail decay control; zero intersymbol interference; frequency domain response; stopband attenuation; design procedure; pulse shaping filters; time domain response; eigenfilter method

Subjects: Pulse circuits; Filtering methods in signal processing; Filters and other networks

References

    1. 1)
      • N.S. Alagha , P. Kabal . Generalized raised-cosine filters. IEEE Trans. Comm. , 989 - 997
    2. 2)
      • H. Samueli . On the design of optimal equiripple FIR digital filters for data transmission applications. IEEE Trans. Circuits Syst. , 1542 - 1546
    3. 3)
      • H. Samueli . On the design of FIR digital data transmission filters with arbitrary magnitude specifications. IEEE Trans. Circuits Syst. , 1563 - 1567
    4. 4)
      • P.P. Vaidyanathan , T.Q. Nguyen . Eigenfilters: a new approach to least-squares FIR filter design and applications including Nyquist filters. IEEE Trans. Circuits Sys. , 11 - 23
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