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A Fresh View of Digital Signal Processing for Software Defined Radios: Part IIHarris, Fred 10 1900 (has links)
International Telemetering Conference Proceedings / October 21, 2002 / Town & Country Hotel and Conference Center, San Diego, California / A 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.
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A Fresh View of Digital Signal Processing for Software Defined Radios: Part IHarris, Fred 10 1900 (has links)
International Telemetering Conference Proceedings / October 21, 2002 / Town & Country Hotel and Conference Center, San Diego, California / Digital signal processing has inexorably been woven into the fabric of every function performed in a
modern radio communication system. In the rush to the marketplace, we have fielded many DSP
designs based on analog prototype solutions containing legacy compromises appropriate for the
technology of a time past. As we design the next generation radio we pause to examine and review
past solutions to past radio problems. In this review we discover a number of DSP design methods
and perspectives that lead to cost and performance advantages for use in the next generation radio.
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