Implementation of recursive filters using highly quantized periodically time-varying coefficients. - Sachin P. Ghanekar; Sawasd Tantaratana; Lewis E. Franks (ICASSP, 1991)

Multiplier-free IIR filter realization using periodically time-varying state-space structure. I. Structure and design. - Sachin P. Ghanekar; Sawasd Tantaratana; Lewis E. Franks (IEEE Trans. Signal Process., 1994)

Multiplier-free IIR filter realization using periodically time-varying state-space structure. II. VLSI architectures. - Sachin P. Ghanekar; Sawasd Tantaratana; Lewis E. Franks (IEEE Trans. Signal Process., 1994)

Signed-digit-based multiplier-free realizations for multirate converters. - Sachin P. Ghanekar; Sawasd Tantaratana (IEEE Trans. Signal Process., 1995)

A class of high-precision multiplier-free FIR filter realizations with periodically time-varying coefficients. - Sachin P. Ghanekar; Sawasd Tantaratana; Lewis E. Franks (IEEE Trans. Signal Process., 1995)