A Fresh View of Digital Signal Processing for Software Defined Radios: Part II
AffiliationSan Diego State University
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AbstractA DSP modem is often designed as a set of processing blocks that replace the corresponding blocks of an analog prototype. Such a design is sub-optimal, inheriting legacy compromises made in the analog design while discarding important design options unique to the DSP domain. In part I of this two part paper, we used multirate processing to transform a digital down converter from an emulation of the standard analog architecture to a DSP based solution that reversed the order of frequency selection, filtering, and resampling. We continue this tack of embedding traditional processing tasks into multirate DSP solutions that perform multiple simultaneous processing tasks.
SponsorsInternational Foundation for Telemetering