Design of Power Efficient Variable Bandwidth Non-Maximally Decimated FRM Filters for Wideband Channelizer

Abstract

In this brief, a power efficient reconfigurable non-maximally decimated filter bank-based modified frequency response masking technique is proposed to generate sharp transition width channels for wideband applications. The structure enables cost and power efficient processing of wideband signals. The main benefit of the proposed scheme is that the computational workload and hardware complexity of the modified frequency response masking technique is considerably less than that of the approaches existing in the literature. The hardware complexity of the design is further reduced by joint optimization of all the canonical signed digit represented filters using Pareto-based meta-heuristic algorithm.